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Bartlett AM, Dibble CF, Sykes DAW, Drossopoulos PN, Wang TY, Crutcher CL, Than KD, Bhomwick DA, Shaffrey CI, Abd-El-Barr MM. Early Experience with Prone Lateral Interbody Fusion in Deformity Correction: A Single-Institution Experience. J Clin Med 2024; 13:2279. [PMID: 38673552 PMCID: PMC11051569 DOI: 10.3390/jcm13082279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2024] [Revised: 04/02/2024] [Accepted: 04/12/2024] [Indexed: 04/28/2024] Open
Abstract
Background/Objectives: Lateral spine surgery offers effective minimally invasive deformity correction, but traditional approaches often involve separate anterior, lateral, and posterior procedures. The prone lateral technique streamlines this process by allowing single-position access for lateral and posterior surgery, potentially benefiting from the lordosing effect of prone positioning. While previous studies have compared prone lateral to direct lateral for adult degenerative diseases, this retrospective review focuses on the outcomes of adult deformity patients undergoing prone lateral interbody fusion. Methods: Ten adult patients underwent single-position prone lateral surgery for spine deformity correction, with a mean follow-up of 18 months. Results: Results showed significant improvements: sagittal vertical axis decreased by 2.4 cm, lumbar lordosis increased by 9.1°, pelvic tilt improved by 3.3°, segmental lordosis across the fusion construct increased by 12.2°, and coronal Cobb angle improved by 6.3°. These benefits remained consistent over the follow-up period. Correlational analysis showed a positive association between improvements in PROs and SVA and SL. When compared to hybrid approaches, prone lateral yielded greater improvements in SVA. Conclusions: Prone lateral surgery demonstrated favorable outcomes with reasonable perioperative risks. However, further research comparing this technique with standard minimally invasive lateral approaches, hybrid, and open approaches is warranted for a comprehensive evaluation.
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Affiliation(s)
- Alyssa M. Bartlett
- Department of Neurosurgery, Duke University, Durham, NC 27710, USA; (A.M.B.)
| | - Christopher F. Dibble
- Department of Neurosurgery, Wake Forest University School of Medicine, Winston-Salem, NC 27157, USA
| | - David A. W. Sykes
- Department of Neurosurgery, Duke University, Durham, NC 27710, USA; (A.M.B.)
| | | | - Timothy Y. Wang
- Department of Neurosurgery, Duke University, Durham, NC 27710, USA; (A.M.B.)
| | | | - Khoi D. Than
- Department of Neurosurgery, Duke University, Durham, NC 27710, USA; (A.M.B.)
| | - Deb A. Bhomwick
- Department of Neurosurgery, Duke University, Durham, NC 27710, USA; (A.M.B.)
| | | | - Muhammad M. Abd-El-Barr
- Department of Neurosurgery, Wake Forest University School of Medicine, Winston-Salem, NC 27157, USA
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Chan AK, Park C, Shaffrey CI, Gottfried ON, Than KD, Bisson EF, Bydon M, Asher AL, Coric D, Potts EA, Foley KT, Wang MY, Fu KM, Virk MS, Knightly JJ, Meyer S, Park P, Upadhyaya CD, Shaffrey ME, Buchholz AL, Tumialán LM, Turner JD, Michalopoulos G, Sherrod BA, Agarwal N, Chou D, Haid RW, Mummaneni PV. What predicts the best 24-month outcomes following surgery for cervical spondylotic myelopathy? A QOD prospective registry study. J Neurosurg Spine 2024; 40:453-464. [PMID: 38181405 DOI: 10.3171/2023.11.spine23222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Accepted: 11/09/2023] [Indexed: 01/07/2024]
Abstract
OBJECTIVE The aim of this study was to identify predictors of the best 24-month improvements in patients undergoing surgery for cervical spondylotic myelopathy (CSM). For this purpose, the authors leveraged a large prospective cohort of surgically treated patients with CSM to identify factors predicting the best outcomes for disability, quality of life, and functional status following surgery. METHODS This was a retrospective analysis of prospectively collected data. The Quality Outcomes Database (QOD) CSM dataset (1141 patients) at 14 top enrolling sites was used. Baseline and surgical characteristics were compared for those reporting the top and bottom 20th percentile 24-month Neck Disability Index (NDI), EuroQol-5D (EQ-5D), and modified Japanese Orthopaedic Association (mJOA) change scores. A multivariable logistic model was constructed and included candidate variables reaching p ≤ 0.20 on univariate analyses. Least important variables were removed in a stepwise manner to determine the significant predictors of the best outcomes (top 20th percentile) for 24-month NDI, EQ-5D, and mJOA change. RESULTS A total of 948 (83.1%) patients with 24-month follow-up were included in this study. For NDI, 204 (17.9%) had the best NDI outcome and 200 (17.5%) had the worst NDI outcome. Factors predicting the best NDI outcomes included symptom duration less than 12 months (OR 1.5, 95% CI 1.1-1.9; p = 0.01); procedure other than posterior fusion (OR 1.5, 95% CI 1.03-2.1; p = 0.03); higher preoperative visual analog scale neck pain score (OR 1.2, 95% CI 1.1-1.3; p < 0.001); and higher baseline NDI (OR 1.06, 95% CI 1.05-1.07; p < 0.001). For EQ-5D, 163 (14.3%) had the best EQ-5D outcome and 169 (14.8%) had the worst EQ-5D outcome. Factors predicting the best EQ-5D outcomes included arm pain-only complaints (compared to neck pain) (OR 1.9, 95% CI 1.3-2.9; p = 0.002) and lower baseline EQ-5D (OR 167.7 per unit lower, 95% CI 85.0-339.4; p < 0.001). For mJOA, 222 (19.5%) had the best mJOA outcome and 238 (20.9%) had the worst mJOA outcome. Factors predicting the best mJOA outcomes included lower BMI (OR 1.03 per unit lower, 95% CI 1.004-1.05; p = 0.02; cutoff value of ≤ 29.5 kg/m2); arm pain-only complaints (compared to neck pain) (OR 1.7, 95% CI 1.1-2.5; p = 0.02); and lower baseline mJOA (OR 1.6 per unit lower, 95% CI 1.5-1.7; p < 0.001). CONCLUSIONS Compared to the worst outcomes for EQ-5D, the best outcomes were associated with patients with arm pain-only complaints. For mJOA, lower BMI and arm pain-only complaints portended the best outcomes. For NDI, those with the best outcomes had shorter symptom durations, higher preoperative neck pain scores, and less often underwent posterior spinal fusions. Given the positive impact of shorter symptom duration on outcomes, these data suggest that early surgery may be beneficial for patients with CSM.
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Affiliation(s)
- Andrew K Chan
- 1Department of Neurological Surgery, Columbia University Vagelos College of Physicians and Surgeons, New York; The Och Spine Hospital at NewYork-Presbyterian, New York, New York
| | - Christine Park
- 2Department of Neurosurgery, Duke University, Durham, North Carolina
| | | | - Oren N Gottfried
- 2Department of Neurosurgery, Duke University, Durham, North Carolina
| | - Khoi D Than
- 2Department of Neurosurgery, Duke University, Durham, North Carolina
| | - Erica F Bisson
- 3Department of Neurological Surgery, University of Utah, Salt Lake City, Utah
| | - Mohamad Bydon
- 4Department of Neurologic Surgery, Mayo Clinic, Rochester, Minnesota
| | - Anthony L Asher
- 5Neuroscience Institute, Carolinas Healthcare System and Carolina Neurosurgery & Spine Associates, Charlotte, North Carolina
| | - Domagoj Coric
- 5Neuroscience Institute, Carolinas Healthcare System and Carolina Neurosurgery & Spine Associates, Charlotte, North Carolina
| | - Eric A Potts
- 6Goodman Campbell Brain and Spine, Indianapolis, Indiana
| | - Kevin T Foley
- 7Department of Neurosurgery, University of Tennessee; Semmes-Murphey Neurologic and Spine Institute, Memphis, Tennessee
| | - Michael Y Wang
- 8Department of Neurological Surgery, University of Miami, Florida
| | - Kai-Ming Fu
- 9Department of Neurosurgery, Weill Cornell Medical Center, New York, New York
| | - Michael S Virk
- 9Department of Neurosurgery, Weill Cornell Medical Center, New York, New York
| | - John J Knightly
- 10Atlantic Neurosurgical Specialists, Morristown, New Jersey
| | - Scott Meyer
- 10Atlantic Neurosurgical Specialists, Morristown, New Jersey
| | - Paul Park
- 11Department of Neurological Surgery, University of Michigan, Ann Arbor, Michigan
| | - Cheerag D Upadhyaya
- 12Marion Bloch Neuroscience Institute, Saint Luke's Health System, Kansas City, Missouri
| | - Mark E Shaffrey
- 13Department of Neurosurgery, University of Virginia, Charlottesville, Virginia
| | - Avery L Buchholz
- 13Department of Neurosurgery, University of Virginia, Charlottesville, Virginia
| | | | - Jay D Turner
- 14Barrow Neurological Institute, Phoenix, Arizona
| | | | - Brandon A Sherrod
- 3Department of Neurological Surgery, University of Utah, Salt Lake City, Utah
| | - Nitin Agarwal
- 15Department of Neurological Surgery, University of California, San Francisco, California; and
| | - Dean Chou
- 1Department of Neurological Surgery, Columbia University Vagelos College of Physicians and Surgeons, New York; The Och Spine Hospital at NewYork-Presbyterian, New York, New York
| | - Regis W Haid
- 16Atlanta Brain and Spine Care, Atlanta, Georgia
| | - Praveen V Mummaneni
- 15Department of Neurological Surgery, University of California, San Francisco, California; and
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Dave P, Lafage R, Smith JS, Line BG, Tretiakov PS, Mir J, Diebo B, Daniels AH, Gum JL, Hamilton DK, Buell T, Than KD, Fu KM, Scheer JK, Eastlack R, Mullin JP, Mundis G, Hosogane N, Yagi M, Nunley P, Chou D, Mummaneni PV, Klineberg EO, Kebaish KM, Lewis S, Hostin RA, Gupta MC, Kim HJ, Ames CP, Hart RA, Lenke LG, Shaffrey CI, Bess S, Schwab FJ, Lafage V, Burton DC, Passias PG. Predictors of pelvic tilt normalization: a multicenter study on the impact of regional and lower-extremity compensation on pelvic alignment after complex adult spinal deformity surgery. J Neurosurg Spine 2024; 40:505-512. [PMID: 38215449 DOI: 10.3171/2023.11.spine23766] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Accepted: 11/13/2023] [Indexed: 01/14/2024]
Abstract
OBJECTIVE The objective was to determine the degree of regional decompensation to pelvic tilt (PT) normalization after complex adult spinal deformity (ASD) surgery. METHODS Operative ASD patients with 1 year of PT measurements were included. Patients with normalized PT at baseline were excluded. Predicted PT was compared to actual PT, tested for change from baseline, and then compared against age-adjusted, Scoliosis Research Society-Schwab, and global alignment and proportion (GAP) scores. Lower-extremity (LE) parameters included the cranial-hip-sacrum angle, cranial-knee-sacrum angle, and cranial-ankle-sacrum angle. LE compensation was set as the 1-year upper tertile compared with intraoperative baseline. Univariate analyses were used to compare normalized and nonnormalized data against alignment outcomes. Multivariable logistic regression analyses were used to develop a model consisting of significant predictors for normalization related to regional compensation. RESULTS In total, 156 patients met the inclusion criteria (mean ± SD age 64.6 ± 9.1 years, BMI 27.9 ± 5.6 kg/m2, Charlson Comorbidity Index 1.9 ± 1.6). Patients with normalized PT were more likely to have overcorrected pelvic incidence minus lumbar lordosis and sagittal vertical axis at 6 weeks (p < 0.05). GAP score at 6 weeks was greater for patients with nonnormalized PT (0.6 vs 1.3, p = 0.08). At baseline, 58.5% of patients had compensation in the thoracic and cervical regions. Postoperatively, compensation was maintained by 42% with no change after matching in age-adjusted or GAP score. The patients with nonnormalized PT had increased rates of thoracic and cervical compensation (p < 0.05). Compensation in thoracic kyphosis differed between patients with normalized PT at 6 weeks and those with normalized PT at 1 year (69% vs 35%, p < 0.05). Those who compensated had increased rates of implant complications by 1 year (OR [95% CI] 2.08 [1.32-6.56], p < 0.05). Cervical compensation was maintained at 6 weeks and 1 year (56% vs 43%, p = 0.12), with no difference in implant complications (OR 1.31 [95% CI -2.34 to 1.03], p = 0.09). For the lower extremities at baseline, 61% were compensating. Matching age-adjusted alignment did not eliminate compensation at any joint (all p > 0.05). Patients with nonnormalized PT had higher rates of LE compensation across joints (all p < 0.01). Overall, patients with normalized PT at 1 year had the greatest odds of resolving LE compensation (OR 9.6, p < 0.001). Patients with normalized PT at 1 year had lower rates of implant failure (8.9% vs 19.5%, p < 0.05), rod breakage (1.3% vs 13.8%, p < 0.05), and pseudarthrosis (0% vs 4.6%, p < 0.05) compared with patients with nonnormalized PT. The complication rate was significantly lower for patients with normalized PT at 1 year (56.7% vs 66.1%, p = 0.02), despite comparable health-related quality of life scores. CONCLUSIONS Patients with PT normalization had greater rates of resolution in thoracic and LE compensation, leading to lower rates of complications by 1 year. Thus, consideration of both the lower extremities and thoracic regions in surgical planning is vital to preventing adverse outcomes and maintaining pelvic alignment.
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Affiliation(s)
- Pooja Dave
- 1Departments of Orthopaedic and Neurosurgery, Division of Spinal Surgery, NYU Langone Medical Center, NY Spine Institute, New York, New York
| | - Renaud Lafage
- 24Northwell Health, Department of Orthopedic Surgery, Lenox Hill Hospital, New York, New York
| | - Justin S Smith
- 3Department of Neurosurgery, University of Virginia, Charlottesville, Virginia
| | - Breton G Line
- 4Department of Spine Surgery, Denver International Spine Clinic, Presbyterian St. Luke's/Rocky Mountain Hospital for Children, Denver, Colorado
| | - Peter S Tretiakov
- 1Departments of Orthopaedic and Neurosurgery, Division of Spinal Surgery, NYU Langone Medical Center, NY Spine Institute, New York, New York
| | - Jamshaid Mir
- 1Departments of Orthopaedic and Neurosurgery, Division of Spinal Surgery, NYU Langone Medical Center, NY Spine Institute, New York, New York
| | - Bassel Diebo
- 5Department of Orthopaedic Surgery, Warren Alpert School of Medicine, Brown University, Providence, Rhode Island
| | - Alan H Daniels
- 5Department of Orthopaedic Surgery, Warren Alpert School of Medicine, Brown University, Providence, Rhode Island
| | - Jeffrey L Gum
- 6Department of Orthopaedic Surgery, Norton Leatherman Spine Center, Louisville, Kentucky
| | - D Kojo Hamilton
- 7Department of Neurosurgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
| | - Thomas Buell
- 7Department of Neurosurgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
| | - Khoi D Than
- 8Departments of Neurosurgery and Orthopaedic Surgery, Spine Division, Duke University School of Medicine, Durham, North Carolina
| | - Kai-Ming Fu
- 9Department of Neurological Surgery, Weill Cornell Medicine Brain and Spine Center/NewYork-Presbyterian Lower Manhattan Hospital, New York, New York
| | - Justin K Scheer
- 10Department of Neurosurgery, Columbia University, New York, New York
| | - Robert Eastlack
- 11Division of Orthopaedic Surgery, Scripps Clinic, La Jolla, California
| | - Jeffrey P Mullin
- 12Department of Neurosurgery at University at Buffalo Medical School, Buffalo, New York
| | - Gregory Mundis
- 11Division of Orthopaedic Surgery, Scripps Clinic, La Jolla, California
| | - Naobumi Hosogane
- 13Division of Orthopaedic Surgery, National Defense Medical College, Tokorozawa, Japan
| | - Mitsuru Yagi
- 14Department of Orthopedic surgery, Keio University School of Medicine, Shinjyuku, Tokyo, Japan
- 26Department of Orthopedic Surgery, International University of Health and Welfare School of Medicine, Chiba, Narita, Japan
| | - Pierce Nunley
- 15Spine Institute of Louisiana, Shreveport, Louisiana
| | - Dean Chou
- 10Department of Neurosurgery, Columbia University, New York, New York
| | - Praveen V Mummaneni
- 16Department of Neurological Surgery, University of California, San Francisco, California
| | - Eric O Klineberg
- 17Department of Orthopedic Surgery, University of California Davis, Sacramento, California
| | - Khaled M Kebaish
- 18Department of Orthopaedic Surgery, The Johns Hopkins Medical Institutions, Baltimore, Maryland
| | - Stephen Lewis
- 19Department of Surgery, Division of Neurosurgery, University of Toronto, Ontario, Canada
| | - Richard A Hostin
- 20Department of Orthopaedic Surgery, Baylor Scoliosis Center, Dallas, Texas
| | - Munish C Gupta
- 21Department of Orthopaedic Surgery, Washington University of St. Louis, Missouri
| | - Han Jo Kim
- 2Department of Orthopaedics, Hospital for Special Surgery, New York, New York
| | - Christopher P Ames
- 16Department of Neurological Surgery, University of California, San Francisco, California
| | - Robert A Hart
- 22Department of Orthopaedic Surgery, Swedish Neuroscience Institute, Seattle, Washington
| | - Lawrence G Lenke
- 23Department of Orthopaedic Surgery, Columbia College of Physicians and Surgeons, New York, New York
| | - Christopher I Shaffrey
- 8Departments of Neurosurgery and Orthopaedic Surgery, Spine Division, Duke University School of Medicine, Durham, North Carolina
| | - Shay Bess
- 4Department of Spine Surgery, Denver International Spine Clinic, Presbyterian St. Luke's/Rocky Mountain Hospital for Children, Denver, Colorado
| | - Frank J Schwab
- 24Northwell Health, Department of Orthopedic Surgery, Lenox Hill Hospital, New York, New York
| | - Virginie Lafage
- 24Northwell Health, Department of Orthopedic Surgery, Lenox Hill Hospital, New York, New York
| | - Douglas C Burton
- 25Department of Orthopaedic Surgery, University of Kansas Medical Center, Kansas City, Kansas
| | - Peter G Passias
- 1Departments of Orthopaedic and Neurosurgery, Division of Spinal Surgery, NYU Langone Medical Center, NY Spine Institute, New York, New York
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4
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Park C, Shaffrey CI, Than KD, Bisson EF, Sherrod BA, Asher AL, Coric D, Potts EA, Foley KT, Wang MY, Fu KM, Virk MS, Knightly JJ, Meyer S, Park P, Upadhyaya C, Shaffrey ME, Buchholz AL, Tumialán LM, Turner JD, Agarwal N, Chan AK, Chou D, Chaudhry NS, Haid RW, Mummaneni PV, Michalopoulos GD, Bydon M, Gottfried ON. Does the number of social factors affect long-term patient-reported outcomes and satisfaction in those with cervical myelopathy? A QOD study. J Neurosurg Spine 2024; 40:428-438. [PMID: 38241683 DOI: 10.3171/2023.11.spine23127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Accepted: 11/16/2023] [Indexed: 01/21/2024]
Abstract
OBJECTIVE It is not clear whether there is an additive effect of social factors in keeping patients with cervical spondylotic myelopathy (CSM) from achieving both a minimum clinically important difference (MCID) in outcomes and satisfaction after surgery. The aim of this study was to explore the effect of multiple social factors on postoperative outcomes and satisfaction. METHODS This was a multiinstitutional, retrospective study of the prospective Quality Outcomes Database (QOD) CSM cohort, which included patients aged 18 years or older who were diagnosed with primary CSM and underwent operative management. Social factors included race (White vs non-White), education (high school or below vs above), employment (employed vs not), and insurance (private vs nonprivate). Patients were considered to have improved from surgery if the following criteria were met: 1) they reported a score of 1 or 2 on the North American Spine Society index, and 2) they met the MCID in patient-reported outcomes (i.e., visual analog scale [VAS] neck and arm pain, Neck Disability Index [NDI], and EuroQol-5D [EQ-5D]). RESULTS Of the 1141 patients included in the study, 205 (18.0%) had 0, 347 (30.4%) had 1, 334 (29.3%) had 2, and 255 (22.3%) had 3 social factors. The 24-month follow-up rate was > 80% for all patient-reported outcomes. After adjusting for all relevant covariates (p < 0.02), patients with 1 or more social factors were less likely to improve from surgery in all measured outcomes including VAS neck pain (OR 0.90, 95% CI 0.83-0.99) and arm pain (OR 0.88, 95% CI 0.80-0.96); NDI (OR 0.90, 95% CI 0.83-0.98); and EQ-5D (OR 0.90, 95% CI 0.83-0.97) (all p < 0.05) compared to those without any social factors. Patients with 2 social factors (outcomes: neck pain OR 0.86, arm pain OR 0.81, NDI OR 0.84, EQ-5D OR 0.81; all p < 0.05) or 3 social factors (outcomes: neck pain OR 0.84, arm pain OR 0.84, NDI OR 0.84, EQ-5D OR 0.84; all p < 0.05) were more likely to fare worse in all outcomes compared to those with only 1 social factor. CONCLUSIONS Compared to those without any social factors, patients who had at least 1 social factor were less likely to achieve MCID and feel satisfied after surgery. The effect of social factors is additive in that patients with a higher number of factors are less likely to improve compared to those with only 1 social factor.
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Affiliation(s)
- Christine Park
- 1Department of Neurosurgery, Duke University, Durham, North Carolina
| | | | - Khoi D Than
- 1Department of Neurosurgery, Duke University, Durham, North Carolina
| | - Erica F Bisson
- 2Department of Neurosurgery, University of Utah, Salt Lake City, Utah
| | - Brandon A Sherrod
- 2Department of Neurosurgery, University of Utah, Salt Lake City, Utah
| | - Anthony L Asher
- 3Neuroscience Institute, Carolinas Healthcare System and Carolina Neurosurgery & Spine Associates, Charlotte, North Carolina
| | - Domagoj Coric
- 3Neuroscience Institute, Carolinas Healthcare System and Carolina Neurosurgery & Spine Associates, Charlotte, North Carolina
| | - Eric A Potts
- 4Goodman Campbell Brain and Spine, Indianapolis, Indiana
| | - Kevin T Foley
- 5Department of Neurosurgery, Semmes Murphey Neurologic and Spine Institute, Memphis, Tennessee
| | - Michael Y Wang
- 6Department of Neurosurgery, University of Miami, Florida
| | - Kai-Ming Fu
- 7Department of Neurosurgery, Weill Cornell Medical Center, New York, New York
| | - Michael S Virk
- 7Department of Neurosurgery, Weill Cornell Medical Center, New York, New York
| | | | - Scott Meyer
- 8Atlantic Neurosurgical Specialists, Morristown, New Jersey
| | - Paul Park
- 9Department of Neurosurgery, University of Michigan, Ann Arbor, Michigan
| | - Cheerag Upadhyaya
- 10Marion Bloch Neuroscience Institute, Saint Luke's Health System, Kansas City, Missouri
| | - Mark E Shaffrey
- 11Department of Neurosurgery, University of Virginia, Charlottesville, Virginia
| | - Avery L Buchholz
- 11Department of Neurosurgery, University of Virginia, Charlottesville, Virginia
| | | | - Jay D Turner
- 12Barrow Neurological Institute, Phoenix, Arizona
| | - Nitin Agarwal
- 13Department of Neurosurgery, Washington University in St. Louis, Missouri
| | - Andrew K Chan
- 14Department of Neurological Surgery, Columbia University Vagelos College of Physicians and Surgeons, The Och Spine Hospital at NewYork-Presbyterian, New York, New York
| | - Dean Chou
- 14Department of Neurological Surgery, Columbia University Vagelos College of Physicians and Surgeons, The Och Spine Hospital at NewYork-Presbyterian, New York, New York
| | - Nauman S Chaudhry
- 15Department of Neurosurgery, University of South Florida, Tampa, Florida
| | - Regis W Haid
- 16Atlanta Brain and Spine Care, Atlanta, Georgia
| | - Praveen V Mummaneni
- 17Department of Neurosurgery, University of California, San Francisco, California; and
| | | | - Mohamad Bydon
- 18Department of Neurosurgery, Mayo Clinic, Rochester, Minnesota
| | - Oren N Gottfried
- 1Department of Neurosurgery, Duke University, Durham, North Carolina
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Spears CA, Hodges SE, Liu B, Venkatraman V, Edwards RM, Than KD, Abd-El-Barr MM, Parente B, Lee HJ, Lad SP. Nationwide Analysis of Risk Factors Related to Opioid Weaning Following Lumbar Decompression Surgery - A Retrospective Database Study. World Neurosurg 2024:S1878-8750(23)01746-1. [PMID: 38519019 DOI: 10.1016/j.wneu.2023.12.025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2023] [Revised: 12/04/2023] [Accepted: 12/06/2023] [Indexed: 03/24/2024]
Abstract
BACKGROUND Opioids are often prescribed for patients who eventually undergo lumbar decompression. Given the potential for opioid-related morbidity and mortality, postoperative weaning is often a goal of surgery. The purpose of this study was to examine the relationship between preoperative opioid use and postoperative complete opioid weaning among lumbar decompression patients. METHODS We surveyed the IBM Marketscan Databases for patients who underwent lumbar decompression during 2008-2017, had >30 days of opioid use in the year preceding surgery, and consumed a daily average of >0 morphine milligram equivalents in the 3 months preceding surgery. We used multivariable logistic regression and marginal standardization to examine the association between preoperative opioid use duration, average daily dose, and their interactions with complete opioid weaning in the 10-12 months after surgery. RESULTS Of the 11,114 patients who met inclusion criteria, most (54.7%, n = 6083) had a preoperative average daily dose of 1-20 morphine milligram equivalents. Postoperatively, 6144 patients (55.3%) remained on opioids. For patients with >180 days of preoperative use, the adjusted probability of weaning increased as the preoperative dose decreased. Obesity increased the likelihood of weaning, whereas older age, several comorbidities, female sex, and Medicaid decreased the odds of weaning. CONCLUSIONS Patients who used opioids for longer preoperatively were less likely to completely wean following surgery. Among patients with >180 days of preoperative use, those with lower preoperative doses were more likely to wean. Weaning was also associated with several clinical and demographic factors. These findings may help shape expectations regarding opioid use following lumbar decompression.
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Affiliation(s)
- Charis A Spears
- Department of Neurosurgery, Duke University Medical Center, Durham, North Carolina, USA
| | - Sarah E Hodges
- Department of Neurosurgery, Duke University Medical Center, Durham, North Carolina, USA
| | - Beiyu Liu
- Department of Biostatistics and Bioinformatics, Duke University School of Medicine, Durham, North Carolina, USA
| | - Vishal Venkatraman
- Department of Neurosurgery, Duke University Medical Center, Durham, North Carolina, USA
| | - Ryan M Edwards
- Department of Neurosurgery, Duke University Medical Center, Durham, North Carolina, USA
| | - Khoi D Than
- Department of Neurosurgery, Duke University Medical Center, Durham, North Carolina, USA
| | | | - Beth Parente
- Department of Neurosurgery, Duke University Medical Center, Durham, North Carolina, USA
| | - Hui-Jie Lee
- Department of Biostatistics and Bioinformatics, Duke University School of Medicine, Durham, North Carolina, USA
| | - Shivanand P Lad
- Department of Neurosurgery, Duke University Medical Center, Durham, North Carolina, USA.
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6
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Mooney J, Nathani KR, Zeitouni D, Michalopoulos GD, Wang MY, Coric D, Chan AK, Lu DC, Sherrod BA, Gottfried ON, Shaffrey CI, Than KD, Goldberg JL, Hussain I, Virk MS, Agarwal N, Glassman SD, Shaffrey ME, Park P, Foley KT, Chou D, Slotkin JR, Tumialán LM, Upadhyaya CD, Potts EA, Fu KMG, Haid RW, Knightly JJ, Mummaneni PV, Bisson EF, Asher AL, Bydon M. Does diabetes affect outcome or reoperation rate after lumbar decompression or arthrodesis? A matched analysis of the Quality Outcomes Database data set. J Neurosurg Spine 2024; 40:331-342. [PMID: 38039534 DOI: 10.3171/2023.9.spine23522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2023] [Accepted: 09/25/2023] [Indexed: 12/03/2023]
Abstract
OBJECTIVE Diabetes mellitus (DM) is a known risk factor for postsurgical and systemic complications after lumbar spinal surgery. Smaller studies have also demonstrated diminished improvements in patient-reported outcomes (PROs), with increased reoperation and readmission rates after lumbar surgery in patients with DM. The authors aimed to examine longer-term PROs in patients with DM undergoing lumbar decompression and/or arthrodesis for degenerative pathology. METHODS The Quality Outcomes Database was queried for patients undergoing elective lumbar decompression and/or arthrodesis for degenerative pathology. Patients were grouped into DM and non-DM groups and optimally matched in a 1:1 ratio on 31 baseline variables, including the number of operated levels. Outcomes of interest were readmissions and reoperations at 30 and 90 days after surgery in addition to improvements in Oswestry Disability Index, back pain, and leg pain scores and quality-adjusted life-years at 90 days after surgery. RESULTS The matched decompression cohort comprised 7836 patients (3236 [41.3] females) with a mean age of 63.5 ± 12.6 years, and the matched arthrodesis cohort comprised 7336 patients (3907 [53.3%] females) with a mean age of 64.8 ± 10.3 years. In patients undergoing lumbar decompression, no significant differences in nonroutine discharge, length of stay (LOS), readmissions, reoperations, and PROs were observed. In patients undergoing lumbar arthrodesis, nonroutine discharge (15.7% vs 13.4%, p < 0.01), LOS (3.2 ± 2.0 vs 3.0 ± 3.5 days, p < 0.01), 30-day (6.5% vs 4.4%, p < 0.01) and 90-day (9.1% vs 7.0%, p < 0.01) readmission rates, and the 90-day reoperation rate (4.3% vs 3.2%, p = 0.01) were all significantly higher in the DM group. For DM patients undergoing lumbar arthrodesis, subgroup analyses demonstrated a significantly higher risk of poor surgical outcomes with the open approach. CONCLUSIONS Patients with and without DM undergoing lumbar spinal decompression alone have comparable readmission and reoperation rates, while those undergoing arthrodesis procedures have a higher risk of poor surgical outcomes up to 90 days after surgery. Surgeons should target optimal DM control preoperatively, particularly for patients undergoing elective lumbar arthrodesis.
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Affiliation(s)
- James Mooney
- 1Department of Neurosurgery, University of Alabama at Birmingham, Alabama
| | - Karim Rizwan Nathani
- 2Department of Neurologic Surgery, Mayo Clinic Neuro-Informatics Laboratory, Mayo Clinic, Rochester, Minnesota
- 3Department of Neurologic Surgery, Mayo Clinic, Rochester, Minnesota
| | - Daniel Zeitouni
- 4Carolina Neurosurgery and Spine Associates, Charlotte, North Carolina
- 5Department of Neurosurgery, Atrium Health, Charlotte, North Carolina
| | - Giorgos D Michalopoulos
- 2Department of Neurologic Surgery, Mayo Clinic Neuro-Informatics Laboratory, Mayo Clinic, Rochester, Minnesota
- 3Department of Neurologic Surgery, Mayo Clinic, Rochester, Minnesota
| | - Michael Y Wang
- 6Department of Neurosurgery, University of Miami, Florida
| | - Domagoj Coric
- 7Neuroscience Institute, Carolina Neurosurgery & Spine Associates, Carolinas Healthcare System, Charlotte, North Carolina
| | - Andrew K Chan
- 8Department of Neurological Surgery, Columbia University, The Och Spine Hospital at NewYork-Presbyterian, New York, New York
| | - Daniel C Lu
- 9Department of Neurosurgery, University of California, Los Angeles, David Geffen School of Medicine, Los Angeles, California
| | - Brandon A Sherrod
- 10Department of Neurosurgery, Clinical Neurosciences Center, University of Utah, Salt Lake City, Utah
| | - Oren N Gottfried
- 11Department of Neurological Surgery, Duke University Medical Center, Durham, North Carolina
| | - Christopher I Shaffrey
- 11Department of Neurological Surgery, Duke University Medical Center, Durham, North Carolina
| | - Khoi D Than
- 11Department of Neurological Surgery, Duke University Medical Center, Durham, North Carolina
| | - Jacob L Goldberg
- 12Department of Neurological Surgery, Weill Cornell Medical Center, New York, New York
| | - Ibrahim Hussain
- 12Department of Neurological Surgery, Weill Cornell Medical Center, New York, New York
| | - Michael S Virk
- 12Department of Neurological Surgery, Weill Cornell Medical Center, New York, New York
| | - Nitin Agarwal
- 24Department of Neurological Surgery, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | | | - Mark E Shaffrey
- 14Department of Neurosurgery, University of Virginia, Charlottesville, Virginia
| | - Paul Park
- 15Department of Neurosurgery, University of Michigan, Ann Arbor, Michigan
| | - Kevin T Foley
- 16Department of Neurosurgery, University of Tennessee, Memphis, Tennessee
| | - Dean Chou
- 8Department of Neurological Surgery, Columbia University, The Och Spine Hospital at NewYork-Presbyterian, New York, New York
| | | | - Luis M Tumialán
- 18Department of Neurosurgery, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, Arizona
| | - Cheerag D Upadhyaya
- 19Department of Neurosurgery, School of Medicine, University of North Carolina, Chapel Hill, North Carolina
| | - Eric A Potts
- 20Department of Neurological Surgery, Goodman Campbell Brain and Spine, Indianapolis, Indiana
| | - Kai-Ming G Fu
- 12Department of Neurological Surgery, Weill Cornell Medical Center, New York, New York
| | - Regis W Haid
- 22Atlanta Brain and Spine Care, Atlanta, Georgia
| | - John J Knightly
- 23Atlantic Neurosurgical Specialists, Morristown, New Jersey; and
| | - Praveen V Mummaneni
- 21Department of Neurological Surgery, University of California, San Francisco, California
| | - Erica F Bisson
- 10Department of Neurosurgery, Clinical Neurosciences Center, University of Utah, Salt Lake City, Utah
| | - Anthony L Asher
- 4Carolina Neurosurgery and Spine Associates, Charlotte, North Carolina
| | - Mohamad Bydon
- 2Department of Neurologic Surgery, Mayo Clinic Neuro-Informatics Laboratory, Mayo Clinic, Rochester, Minnesota
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7
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Drossopoulos PN, Bardeesi A, Wang TY, Huang CC, Ononogbu-uche FC, Than KD, Crutcher C, Pokorny G, Shaffrey CI, Pollina J, Taylor W, Bhowmick DA, Pimenta L, Abd-El-Barr MM. Advancing Prone-Transpsoas Spine Surgery: A Narrative Review and Evolution of Indications with Representative Cases. J Clin Med 2024; 13:1112. [PMID: 38398424 PMCID: PMC10889296 DOI: 10.3390/jcm13041112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 02/09/2024] [Accepted: 02/14/2024] [Indexed: 02/25/2024] Open
Abstract
The Prone Transpsoas (PTP) approach to lumbar spine surgery, emerging as an evolution of lateral lumbar interbody fusion (LLIF), offers significant advantages over traditional methods. PTP has demonstrated increased lumbar lordosis gains compared to LLIF, owing to the natural increase in lordosis afforded by prone positioning. Additionally, the prone position offers anatomical advantages, with shifts in the psoas muscle and lumbar plexus, reducing the likelihood of postoperative femoral plexopathy and moving critical peritoneal contents away from the approach. Furthermore, operative efficiency is a notable benefit of PTP. By eliminating the need for intraoperative position changes, PTP reduces surgical time, which in turn decreases the risk of complications and operative costs. Finally, its versatility extends to various lumbar pathologies, including degeneration, adjacent segment disease, and deformities. The growing body of evidence indicates that PTP is at least as safe as traditional approaches, with a potentially better complication profile. In this narrative review, we review the historical evolution of lateral interbody fusion, culminating in the prone transpsoas approach. We also describe several adjuncts of PTP, including robotics and radiation-reduction methods. Finally, we illustrate the versatility of PTP and its uses, ranging from 'simple' degenerative cases to complex deformity surgeries.
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Affiliation(s)
- Peter N. Drossopoulos
- Division of Spine, Department of Neurosurgery, Duke University, Durham, NC 27710, USA (K.D.T.)
| | - Anas Bardeesi
- Division of Spine, Department of Neurosurgery, Duke University, Durham, NC 27710, USA (K.D.T.)
| | - Timothy Y. Wang
- Division of Spine, Department of Neurosurgery, Duke University, Durham, NC 27710, USA (K.D.T.)
| | - Chuan-Ching Huang
- Division of Spine, Department of Neurosurgery, Duke University, Durham, NC 27710, USA (K.D.T.)
| | - Favour C. Ononogbu-uche
- Division of Spine, Department of Neurosurgery, Duke University, Durham, NC 27710, USA (K.D.T.)
| | - Khoi D. Than
- Division of Spine, Department of Neurosurgery, Duke University, Durham, NC 27710, USA (K.D.T.)
| | - Clifford Crutcher
- Division of Spine, Department of Neurosurgery, Duke University, Durham, NC 27710, USA (K.D.T.)
| | - Gabriel Pokorny
- Institute of Spinal Pathology, Sao Paulo 04101000, SP, Brazil; (G.P.)
| | - Christopher I. Shaffrey
- Division of Spine, Department of Neurosurgery, Duke University, Durham, NC 27710, USA (K.D.T.)
| | - John Pollina
- Department of Neurosurgery, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY 14203, USA
| | - William Taylor
- Department of Neurological Surgery, University of California, La Jolla, San Diego, CA 92093, USA
| | - Deb A. Bhowmick
- Division of Spine, Department of Neurosurgery, Duke University, Durham, NC 27710, USA (K.D.T.)
| | - Luiz Pimenta
- Institute of Spinal Pathology, Sao Paulo 04101000, SP, Brazil; (G.P.)
| | - Muhammad M. Abd-El-Barr
- Division of Spine, Department of Neurosurgery, Duke University, Durham, NC 27710, USA (K.D.T.)
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8
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Park C, Shaffrey CI, Than KD, Michalopoulos GD, El Sammak S, Chan AK, Bisson EF, Sherrod BA, Asher AL, Coric D, Potts EA, Foley KT, Wang MY, Fu KM, Virk MS, Knightly JJ, Meyer S, Park P, Upadhyaya C, Shaffrey ME, Buchholz AL, Tumialán LM, Turner J, Agarwal N, Chou D, Chaudhry NS, Haid RW, Mummaneni PV, Bydon M, Gottfried ON. What factors influence surgical decision-making in anterior versus posterior surgery for cervical myelopathy? A QOD analysis. J Neurosurg Spine 2024; 40:206-215. [PMID: 37948703 DOI: 10.3171/2023.8.spine23194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Accepted: 08/29/2023] [Indexed: 11/12/2023]
Abstract
OBJECTIVE The aim of this study was to explore the preoperative patient characteristics that affect surgical decision-making when selecting an anterior or posterior operative approach in patients diagnosed with cervical spondylotic myelopathy (CSM). METHODS This was a multi-institutional, retrospective study of the prospective Quality Outcomes Database (QOD) Cervical Spondylotic Myelopathy module. Patients aged 18 years or older diagnosed with primary CSM who underwent multilevel (≥ 2-level) elective surgery were included. Demographics and baseline clinical characteristics were collected. RESULTS Of the 841 patients with CSM in the database, 492 (58.5%) underwent multilevel anterior surgery and 349 (41.5%) underwent multilevel posterior surgery. Surgeons more often performed a posterior surgical approach in older patients (mean 64.8 ± 10.6 vs 58.5 ± 11.1 years, p < 0.001) and those with a higher American Society of Anesthesiologists class (class III or IV: 52.4% vs 46.3%, p = 0.003), a higher rate of motor deficit (67.0% vs 58.7%, p = 0.014), worse myelopathy (mean modified Japanese Orthopaedic Association score 11.4 ± 3.1 vs 12.4 ± 2.6, p < 0.001), and more levels treated (4.3 ± 1.3 vs 2.4 ± 0.6, p < 0.001). On the other hand, surgeons more frequently performed an anterior surgical approach when patients were employed (47.2% vs 23.2%, p < 0.001) and had intervertebral disc herniation as an underlying pathology (30.7% vs 9.2%, p < 0.001). CONCLUSIONS The selection of approach for patients with CSM depends on patient demographics and symptomology. Posterior surgery was performed in patients who were older and had worse systemic disease, increased myelopathy, and greater levels of stenosis. Anterior surgery was more often performed in patients who were employed and had intervertebral disc herniation.
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Affiliation(s)
- Christine Park
- 1Department of Neurosurgery, Duke University, Durham, North Carolina
| | | | - Khoi D Than
- 1Department of Neurosurgery, Duke University, Durham, North Carolina
| | | | - Sally El Sammak
- 2Department of Neurosurgery, Mayo Clinic, Rochester, Minnesota
| | - Andrew K Chan
- 3Department of Neurological Surgery, Columbia University Vagelos College of Physicians and Surgeons, The Och Spine Hospital at NewYork-Presbyterian, New York, New York
| | - Erica F Bisson
- 4Department of Neurosurgery, University of Utah, Salt Lake City, Utah
| | - Brandon A Sherrod
- 4Department of Neurosurgery, University of Utah, Salt Lake City, Utah
| | - Anthony L Asher
- 5Neuroscience Institute, Carolinas Healthcare System and Carolina Neurosurgery & Spine Associates, Charlotte, North Carolina
| | - Domagoj Coric
- 5Neuroscience Institute, Carolinas Healthcare System and Carolina Neurosurgery & Spine Associates, Charlotte, North Carolina
| | - Eric A Potts
- 6Goodman Campbell Brain and Spine, Indianapolis, Indiana
| | - Kevin T Foley
- 7Department of Neurosurgery, University of Tennessee, Semmes Murphey Neurologic and Spine Institute, Memphis, Tennessee
| | - Michael Y Wang
- 8Department of Neurosurgery, University of Miami, Florida
| | - Kai-Ming Fu
- 9Department of Neurosurgery, Weill Cornell Medical Center, New York, New York
| | - Michael S Virk
- 9Department of Neurosurgery, Weill Cornell Medical Center, New York, New York
| | - John J Knightly
- 10Atlantic Neurosurgical Specialists, Morristown, New Jersey
| | - Scott Meyer
- 10Atlantic Neurosurgical Specialists, Morristown, New Jersey
| | - Paul Park
- 11Department of Neurosurgery, University of Michigan, Ann Arbor, Michigan
| | - Cheerag Upadhyaya
- 12Marion Bloch Neuroscience Institute, Saint Luke's Health System, Kansas City, Missouri
| | - Mark E Shaffrey
- 13Department of Neurosurgery, University of Virginia, Charlottesville, Virginia
| | - Avery L Buchholz
- 13Department of Neurosurgery, University of Virginia, Charlottesville, Virginia
| | | | - Jay Turner
- 14Barrow Neurological Institute, Phoenix, Arizona
| | - Nitin Agarwal
- 15Department of Neurosurgery, Washington University in St. Louis, Missouri
| | - Dean Chou
- 3Department of Neurological Surgery, Columbia University Vagelos College of Physicians and Surgeons, The Och Spine Hospital at NewYork-Presbyterian, New York, New York
| | - Nauman S Chaudhry
- 1Department of Neurosurgery, Duke University, Durham, North Carolina
| | - Regis W Haid
- 16Atlanta Brain and Spine Care, Atlanta, Georgia; and
| | - Praveen V Mummaneni
- 17Department of Neurosurgery, University of California, San Francisco, California
| | - Mohamad Bydon
- 2Department of Neurosurgery, Mayo Clinic, Rochester, Minnesota
| | - Oren N Gottfried
- 1Department of Neurosurgery, Duke University, Durham, North Carolina
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9
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Bergin SM, Crutcher CL, Keeler C, Rocos B, Haglund MM, Michael Guo H, Gottfried ON, Richardson WJ, Than KD. Osteoimmunology: Interactions With the Immune System in Spinal Fusion. Int J Spine Surg 2023; 17:S9-S17. [PMID: 38050073 PMCID: PMC10753333 DOI: 10.14444/8556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/06/2023] Open
Abstract
Spinal fusion is important for the clinical success of patients undergoing surgery, and the immune system plays an increasingly recognized role. Osteoimmunology is the study of the interactions between the immune system and bone. Inflammation impacts the osteogenic, osteoconductive, and osteoinductive properties of bone grafts and substitutes and ultimately influences the success of spinal fusion. Macrophages have emerged as important cells for coordinating the immune response following spinal fusion surgery, and macrophage-derived cytokines impact each phase of bone graft healing. This review explores the cellular and molecular immune processes that regulate bone homeostasis and healing during spinal fusion.
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Affiliation(s)
- Stephen M Bergin
- Department of Neurosurgery, Division of Spine, Duke University, Durham, NC, USA
| | - Clifford L Crutcher
- Department of Neurosurgery, Division of Spine, Duke University, Durham, NC, USA
| | - Carolyn Keeler
- Department of Neurosurgery, Division of Spine, Duke University, Durham, NC, USA
| | - Brett Rocos
- Department of Orthopedic Surgery, Division of Spine, Duke University, Durham, NC, USA
| | - Michael M Haglund
- Department of Neurosurgery, Division of Spine, Duke University, Durham, NC, USA
| | - H Michael Guo
- Department of Orthopedic Surgery, Division of Spine, Duke University, Durham, NC, USA
| | - Oren N Gottfried
- Department of Neurosurgery, Division of Spine, Duke University, Durham, NC, USA
| | - William J Richardson
- Department of Orthopedic Surgery, Division of Spine, Duke University, Durham, NC, USA
| | - Khoi D Than
- Department of Neurosurgery, Division of Spine, Duke University, Durham, NC, USA
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10
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Oh BH, Kim JY, Lee JB, Hong JT, Sung JH, Than KD, Lee HJ, Kim IS. Screw Insertional Torque Measurement in Spine Surgery: Correlation With Bone Mineral Density and Hounsfield Unit. Neurospine 2023; 20:1177-1185. [PMID: 38368907 PMCID: PMC10762421 DOI: 10.14245/ns.2346830.415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Revised: 09/12/2023] [Accepted: 09/26/2023] [Indexed: 01/05/2024] Open
Abstract
OBJECTIVE Achieving successful fusion during spine surgery is dependent on rigid pedicle screw fixation. To assess fixation strength, the insertional torque can be measured during intraoperative screw fixation. This study aimed to explore the technical feasibility of measuring the insertional torque of a pedicle screw, while investigating its relationship with bone density. METHODS Thoraco-lumbar screw fixation fusion surgery was performed on 53 patients (mean age, 65.5 ± 9.8 years). The insertional torque of 284 screws was measured at the point passing through the pedicle using a calibrated torque wrench, with a specially designed connector to the spine screw system. The Hounsfield units (HU) value was determined by assessing the trabecular portion of the index vertebral body on sagittal computed tomography images. We analyzed the relationship between the measured insertional torque and the following bone strength parameters: bone mineral density (BMD) and HU of the vertebral body. RESULTS The mean insertion torque was 105.55 ± 58.08 N∙cm and T-score value (BMD) was -1.14 ± 1.49. Mean HU value was 136.37 ± 57.59. Screw insertion torque was positively correlated with BMD and HU in whole patients. However, in cases of osteopenia, all variables showed very weak correlations with insertional torque. In patients with osteoporosis, there was no statistically significant correlation between BMD and torque strength; HU showed a significant correlation. CONCLUSION The insertional torque of screw fixation significantly correlated with bone density (BMD and HU). HU measurements showed greater clinical significance than did BMD values in patients with osteoporosis.
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Affiliation(s)
- Byeong Ho Oh
- Department of Neurosurgery, Chungbuk National University Hospital, Cheongju, Korea
| | - Jee Yong Kim
- Department of Neurosurgery, St. Vincent’s Hospital, The Catholic University of Korea, Suwon, Korea
| | - Jong Beom Lee
- Department of Neurosurgery, Chungbuk National University Hospital, Cheongju, Korea
| | - Jae Taek Hong
- Department of Neurosurgery, Eunpyeong St. Mary’s Hospital, The Catholic University of Korea, Seoul, Korea
| | - Jae Hoon Sung
- Department of Neurosurgery, St. Vincent’s Hospital, The Catholic University of Korea, Suwon, Korea
| | - Khoi D. Than
- Department of Neurological Surgery, Duke University Medical Center, Durham, NC, USA
| | - Ho Jin Lee
- Department of Neurosurgery, St. Vincent’s Hospital, The Catholic University of Korea, Suwon, Korea
- Department of Neurological Surgery, Duke University Medical Center, Durham, NC, USA
| | - Il Sup Kim
- Department of Neurosurgery, St. Vincent’s Hospital, The Catholic University of Korea, Suwon, Korea
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11
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Zaidi SE, Venkatraman V, Sykes DAW, Albanese J, Erickson MM, Crutcher CL, Goodwin CR, Groff MW, Grossi P, Than KD, Haglund MM, Abd-El-Barr MM. Clinical and Radiographic Outcomes for Patients with Cervical Adjacent Segment Disease Treated with Anterior Cervical Discectomy and Fusion with Integrated Interbody Spacers. World Neurosurg 2023; 180:e514-e522. [PMID: 37774788 DOI: 10.1016/j.wneu.2023.09.101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2023] [Revised: 09/22/2023] [Accepted: 09/23/2023] [Indexed: 10/01/2023]
Abstract
INTRODUCTION Anterior cervical discectomy and fusion (ACDF) is among the most common spine procedures. Adjacent segment disease (ASD), characterized by degenerative disease at an adjacent spinal level to a prior fusion, is a well-recognized and significant sequela following ACDF. Adjacent segment ACDF may be considered after the failure of non-surgical options for patients with symptomatic ASD. This study aimed to assess the incidence of dysphagia and other complications as well as radiographic outcomes in adult patients who have undergone ACDF with an integrated interbody spacer device for symptomatic ASD. METHODS This was a retrospective review of patients who underwent ACDF for symptomatic ASD with commercially available integrated interbody spacers by three spine surgeons at an academic institution from March 2018 to April 2022. Demographic, radiographic, and postoperative data were collected, including dysphagia, device-related complications, and the need for revision surgery. RESULTS There were 48 patients (26 male, 22 female) who met inclusion criteria (mean age 59.7 years, mean body mass index 19.5 kg/m2) who underwent ACDF for symptomatic ASD (1one-level, n = 44; 2-level, n = 4). Overall, 12 patients (25%) experienced dysphagia postoperatively before the first follow-up appointment. Nine of 44 (20.4%) of 1-level ACDF patients experienced dysphagia, and 3 of 4 (75%) of 2-level ACDF patients experienced dysphagia. Three patients had severe dysphagia which prompted an otolaryngology referral. Two of those patients remained symptomatic at 6 weeks postoperatively. Of 43 patients with prior plate cage systems, none required hardware removal at the time of surgery. Preoperative global and segmental lordosis were 9.07° ± 8.36° (P = 0.22) and 3.58° ± 4.57° (P = 0.14), respectively. At 6 weeks postoperatively, global and segmental lordosis were 11.44° ± 9.06° (P = 0.54) and 5.11° ± 4.44° (P = 0.44), respectively. This constitutes a change of +2.37° and +1.53° in global and segmental lordosis, respectively. The mean anterior disc height change between preoperative and immediate postoperative time points was 6.3 ± 3.1 mm. Between the immediate postoperative and 6-week postoperative time points, the mean anterior disc height change was -1.5 ± 2.7 mm. Between the immediate postoperative and 3-month postoperative time points, the mean anterior disc height change was -3.7 ± 5.0 mm. The posterior disc height changes at the same time points were 2.5 ± 1.7 mm, -0.4 ± 1.8. and -0.5 ± 1.4 mm, respectively. This fusion rate was 50% and 70% at 6 months and 1 year post-surgery, respectively. CONCLUSIONS ACDF with integrated spacer is a viable alternative to traditional plate-cage systems for symptomatic ASD. An advantage over traditional plate-cage systems is that the removal of prior instrumentation is not needed in order to place implants. Based on a review of the literature, these standalone systems allowed for a shorter operative time and had less incidence of dysphagia than plate-cage systems for ASD after ACDF. The different standalone and plate-cage systems used in treating ASD after ACDF surgeries should be compared in prospective studies.
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Affiliation(s)
- Saif E Zaidi
- Department of Neurosurgery, Duke University Medical Center, Durham, North Carolina, USA; School of Medicine, Paris Cité University, Paris, France
| | - Vishal Venkatraman
- Department of Neurosurgery, Duke University Medical Center, Durham, North Carolina, USA
| | - David A W Sykes
- Department of Neurosurgery, Duke University Medical Center, Durham, North Carolina, USA
| | - Jessica Albanese
- Department of Neurosurgery, Duke University Medical Center, Durham, North Carolina, USA; Department of Orthopaedic Surgery, Duke University Medical Center, Durham, North Carolina, USA
| | - Melissa M Erickson
- Department of Orthopaedic Surgery, Duke University Medical Center, Durham, North Carolina, USA
| | - Clifford L Crutcher
- Department of Neurosurgery, Duke University Medical Center, Durham, North Carolina, USA
| | - C Rory Goodwin
- Department of Neurosurgery, Duke University Medical Center, Durham, North Carolina, USA
| | - Michael W Groff
- Department of Neurosurgery, Brigham and Women's Hospital, Boston, Massachusetts, USA
| | - Peter Grossi
- Department of Neurosurgery, Duke University Medical Center, Durham, North Carolina, USA
| | - Khoi D Than
- Department of Neurosurgery, Duke University Medical Center, Durham, North Carolina, USA
| | - Michael M Haglund
- Department of Neurosurgery, Duke University Medical Center, Durham, North Carolina, USA
| | - Muhammad M Abd-El-Barr
- Department of Neurosurgery, Duke University Medical Center, Durham, North Carolina, USA.
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12
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Bergin SM, Abd-El-Barr MM, Gottfried ON, Goodwin CR, Shaffrey CI, Than KD. Measuring Outcomes in Spinal Deformity Surgery. Neurosurg Clin N Am 2023; 34:689-696. [PMID: 37718115 DOI: 10.1016/j.nec.2023.06.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
Abstract
Outcome assessment in adult spinal deformity has evolved from radiographic analysis of curve correction to patient-centered perception of health-related quality-of-life. Oswestry Disability Index and the Scoliosis Research Society-22 Patient Questionnaire are the predominantly used patient-reported outcome (PRO) measurements for deformity surgery. Correction of sagittal alignment correlates with improved PRO. Functional outcomes and accelerometer measurements represent newer methods of measuring outcomes but have not yet been widely adopted or validated. Further adoption of a minimum set of core outcome domains will help facilitate international comparisons and benchmarking, and ultimately enhance value-based healthcare.
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Affiliation(s)
- Stephen M Bergin
- Department of Neurosurgery, Division of Spine, Duke University, 2301 Erwin Road, Durham, NC 27710, USA
| | - Muhammad M Abd-El-Barr
- Department of Neurosurgery, Division of Spine, Duke University, 2301 Erwin Road, Durham, NC 27710, USA
| | - Oren N Gottfried
- Department of Neurosurgery, Division of Spine, Duke University, 2301 Erwin Road, Durham, NC 27710, USA
| | - C Rory Goodwin
- Department of Neurosurgery, Division of Spine, Duke University, 2301 Erwin Road, Durham, NC 27710, USA
| | - Christopher I Shaffrey
- Department of Neurosurgery, Division of Spine, Duke University, 2301 Erwin Road, Durham, NC 27710, USA
| | - Khoi D Than
- Department of Neurosurgery, Division of Spine, Duke University, 2301 Erwin Road, Durham, NC 27710, USA.
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13
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Bergin SM, Dibble CF, Lee HJ, Abd-El-Barr MM, Shaffrey CI, Than KD. Surgical technique of combined minimally invasive anterior column realignment at L1-L2 with open extension of prior fusion. J Spine Surg 2023; 9:288-293. [PMID: 37841785 PMCID: PMC10570644 DOI: 10.21037/jss-23-45] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Accepted: 07/12/2023] [Indexed: 10/17/2023]
Abstract
Surgical correction of fixed kyphotic deformity or severe sagittal imbalance traditionally involves three column osteotomies, which are associated with high morbidity rates. Anterior column realignment (ACR) has emerged as a minimally invasive alternative for restoring segmental lordosis. This technique involves a lateral approach and release of the anterior longitudinal ligament (ALL), followed by placement of a hyperlordotic interbody cage. In this study, we present a successful case of minimally invasive ACR for the treatment of flatback deformity and adjacent segment disease in a patient with prior L2-S1 fusion. Imaging revealed a flatback deformity, sagittal vertical axis elevation, and spinopelvic disharmony. The patient underwent a multistage procedure involving a lateral retropleural approach for ACR and interbody fusion, followed by open posterior instrumented fusion and vertebroplasties. Postoperatively, the patient experienced significant pain relief and improvement in lumbar lordosis, pelvic tilt, and pelvic incidence-lumbar lordosis mismatch. ACR combined with posterior release allows for manipulation of all three spinal columns, leading to spine reconstruction and improved spinopelvic harmony. We discuss the advantages of ACR, including its minimally invasive nature and potential benefits for patients with sagittal deformities. The presented surgical technique demonstrates the feasibility and efficacy of minimally invasive ACR in addressing flatback deformity and adjacent segment disease.
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Affiliation(s)
- Stephen M Bergin
- Division of Spine, Department of Neurosurgery, Duke University, Durham, NC, USA
| | | | - Ho Jin Lee
- Division of Spine, Department of Neurosurgery, Duke University, Durham, NC, USA
| | | | | | - Khoi D Than
- Division of Spine, Department of Neurosurgery, Duke University, Durham, NC, USA
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14
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Passias PG, Joujon-Roche R, Mir JM, Williamson TK, Tretiakov PS, Imbo B, Krol O, Passfall L, Ahmad S, Lebovic J, Owusu-Sarpong S, Lanre-Amos T, Protopsaltis T, Lafage R, Lafage V, Park P, Chou D, Mummaneni PV, Fu KMG, Than KD, Smith JS, Janjua MB, Schoenfeld AJ, Diebo BG, Vira S. Natural history of adult spinal deformity: how do patients with suboptimal surgical outcomes fare relative to nonoperative counterparts? J Neurosurg Spine 2023; 39:92-100. [PMID: 37060316 DOI: 10.3171/2023.2.spine22559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Accepted: 02/20/2023] [Indexed: 04/16/2023]
Abstract
OBJECTIVE Management of adult spinal deformity (ASD) has increasingly favored operative intervention; however, the incidence of complications and reoperations is high, and patients may fail to achieve idealized postsurgical results. This study compared health-related quality of life (HRQOL) metrics between patients with suboptimal surgical outcomes and those who underwent nonoperative management as a proxy for the natural history (NH) of ASD. METHODS ASD patients with 2-year data were included. Patients who were offered surgery but declined were considered nonoperative (i.e., NH) patients. Operative patients with suboptimal outcome (SOp)-defined as any reoperation, major complication, or ≥ 2 severe Scoliosis Research Society (SRS)-Schwab modifiers at follow-up-were selected for comparison. Propensity score matching (PSM) on the basis of baseline age, deformity, SRS-22 Total, and Charlson Comorbidity Index score was used to match the groups. ANCOVA and stepwise logistic regression analysis were used to assess outcomes between groups at 2 years. RESULTS In total, 441 patients were included (267 SOp and 174 NH patients). After PSM, 142 patients remained (71 SOp 71 and 71 NH patients). At baseline, the SOp and NH groups had similar demographic characteristics, HRQOL, and deformity (all p > 0.05). At 2 years, ANCOVA determined that NH patients had worse deformity as measured with sagittal vertical axis (36.7 mm vs 21.3 mm, p = 0.025), mismatch between pelvic incidence and lumbar lordosis (11.9° vs 2.9°, p < 0.001), and pelvic tilt (PT) (23.1° vs 20.7°, p = 0.019). The adjusted regression analysis found that SOp patients had higher odds of reaching the minimal clinically important differences in Oswestry Disability Index score (OR [95% CI] 4.5 [1.7-11.5], p = 0.002), SRS-22 Activity (OR [95% CI] 3.2 [1.5-6.8], p = 0.002), SRS-22 Pain (OR [95% CI] 2.8 [1.4-5.9], p = 0.005), and SRS-22 Total (OR [95% CI] 11.0 [3.5-34.4], p < 0.001). CONCLUSIONS Operative patients with SOp still experience greater improvements in deformity and HRQOL relative to the progressive radiographic and functional deterioration associated with the NH of ASD. The NH of nonoperative management should be accounted for when weighing the risks and benefits of operative intervention for ASD.
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Affiliation(s)
- Peter G Passias
- 1Departments of Orthopaedic and Neurological Surgery, Division of Spinal Surgery, NYU Langone Medical Center-Orthopaedic Hospital, New York
| | - Rachel Joujon-Roche
- 1Departments of Orthopaedic and Neurological Surgery, Division of Spinal Surgery, NYU Langone Medical Center-Orthopaedic Hospital, New York
| | - Jamshaid M Mir
- 1Departments of Orthopaedic and Neurological Surgery, Division of Spinal Surgery, NYU Langone Medical Center-Orthopaedic Hospital, New York
| | - Tyler K Williamson
- 1Departments of Orthopaedic and Neurological Surgery, Division of Spinal Surgery, NYU Langone Medical Center-Orthopaedic Hospital, New York
| | - Peter S Tretiakov
- 1Departments of Orthopaedic and Neurological Surgery, Division of Spinal Surgery, NYU Langone Medical Center-Orthopaedic Hospital, New York
| | - Bailey Imbo
- 1Departments of Orthopaedic and Neurological Surgery, Division of Spinal Surgery, NYU Langone Medical Center-Orthopaedic Hospital, New York
| | - Oscar Krol
- 1Departments of Orthopaedic and Neurological Surgery, Division of Spinal Surgery, NYU Langone Medical Center-Orthopaedic Hospital, New York
| | - Lara Passfall
- 1Departments of Orthopaedic and Neurological Surgery, Division of Spinal Surgery, NYU Langone Medical Center-Orthopaedic Hospital, New York
| | - Salman Ahmad
- 1Departments of Orthopaedic and Neurological Surgery, Division of Spinal Surgery, NYU Langone Medical Center-Orthopaedic Hospital, New York
| | - Jordan Lebovic
- 1Departments of Orthopaedic and Neurological Surgery, Division of Spinal Surgery, NYU Langone Medical Center-Orthopaedic Hospital, New York
| | - Stephane Owusu-Sarpong
- 1Departments of Orthopaedic and Neurological Surgery, Division of Spinal Surgery, NYU Langone Medical Center-Orthopaedic Hospital, New York
| | - Tomi Lanre-Amos
- 1Departments of Orthopaedic and Neurological Surgery, Division of Spinal Surgery, NYU Langone Medical Center-Orthopaedic Hospital, New York
| | - Themistocles Protopsaltis
- 1Departments of Orthopaedic and Neurological Surgery, Division of Spinal Surgery, NYU Langone Medical Center-Orthopaedic Hospital, New York
| | | | - Virginie Lafage
- 3Department of Orthopaedics, Lenox Hill Hospital, Northwell Health, New York, New York
| | - Paul Park
- 4University of Michigan, Ann Arbor, Michigan
| | - Dean Chou
- 5Department of Neurological Surgery, UCSF Medical Center, San Francisco, California
| | - Praveen V Mummaneni
- 5Department of Neurological Surgery, UCSF Medical Center, San Francisco, California
| | - Kai-Ming G Fu
- 6Department of Neurosurgery, Cornell University School of Medicine, New York, New York
| | - Khoi D Than
- 7Department of Neurosurgery, Duke University, Durham, North Carolina
| | - Justin S Smith
- 8Department of Neurosurgery, University of Virginia, Charlottesville, Virginia
| | - M Burhan Janjua
- 9Department of Orthopaedic Surgery, Washington University, St. Louis, Missouri
| | - Andrew J Schoenfeld
- 10Department of Orthopedic Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
| | - Bassel G Diebo
- 11Deparment of Orthopedic Surgery, SUNY Downstate, New York, New York; and
| | - Shaleen Vira
- 12Department of Orthopedic Surgery, UT Southwestern, Dallas, Texas
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15
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Chan AK, Shaffrey CI, Park C, Gottfried ON, Than KD, Bisson EF, Bydon M, Asher AL, Coric D, Potts EA, Foley KT, Wang MY, Fu KM, Virk MS, Knightly JJ, Meyer S, Park P, Upadhyaya CD, Shaffrey ME, Buchholz AL, Tumialán LM, Turner JD, Michalopoulos GD, Sherrod BA, Agarwal N, Chou D, Haid RW, Mummaneni PV. Do comorbid self-reported depression and anxiety influence outcomes following surgery for cervical spondylotic myelopathy? J Neurosurg Spine 2023; 39:11-27. [PMID: 37021762 DOI: 10.3171/2023.2.spine22685] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Accepted: 02/20/2023] [Indexed: 04/03/2023]
Abstract
OBJECTIVE Depression and anxiety are associated with inferior outcomes following spine surgery. In this study, the authors examined whether patients with cervical spondylotic myelopathy (CSM) who have both self-reported depression (SRD) and self-reported anxiety (SRA) have worse postoperative patient-reported outcomes (PROs) compared with patients who have only one or none of these comorbidities. METHODS This study is a retrospective analysis of prospectively collected data from the Quality Outcomes Database CSM cohort. Comparisons were made among patients who reported the following: 1) either SRD or SRA, 2) both SRD and SRA, or 3) neither comorbidity at baseline. PROs at 3, 12, and 24 months (scores for the visual analog scale [VAS] for neck pain and arm pain, Neck Disability Index [NDI], modified Japanese Orthopaedic Association [mJOA] scale, EQ-5D, EuroQol VAS [EQ-VAS], and North American Spine Society [NASS] patient satisfaction index) and achievement of respective PRO minimal clinically important differences (MCIDs) were compared. RESULTS Of the 1141 included patients, 199 (17.4%) had either SRD or SRA alone, 132 (11.6%) had both SRD and SRA, and 810 (71.0%) had neither. Preoperatively, patients with either SRD or SRA alone had worse scores for VAS neck pain (5.6 ± 3.1 vs 5.1 ± 3.3, p = 0.03), NDI (41.0 ± 19.3 vs 36.8 ± 20.8, p = 0.007), EQ-VAS (57.0 ± 21.0 vs 60.7 ± 21.7, p = 0.03), and EQ-5D (0.53 ± 0.23 vs 0.58 ± 0.21, p = 0.008) than patients without such disorders. Postoperatively, in multivariable adjusted analyses, baseline SRD or SRA alone was associated with inferior improvement in the VAS neck pain score and a lower rate of achieving the MCID for VAS neck pain score at 3 and 12 months, but not at 24 months. At 24 months, patients with SRD or SRA alone experienced less change in EQ-5D scores and were less likely to meet the MCID for EQ-5D than patients without SRD or SRA. Furthermore, patient self-reporting of both psychological comorbidities did not impact PROs at all measured time points compared with self-reporting of only one psychological comorbidity alone. Each cohort (SRD or SRA alone, both SRD and SRA, and neither SRD nor SRA) experienced significant improvements in mean PROs at all measured time points compared with baseline (p < 0.05). CONCLUSIONS Approximately 12% of patients who underwent surgery for CSM presented with both SRD and SRA, and 29% presented with at least one symptom. The presence of either SRD or SRA was independently associated with inferior scores for 3- and 12-month neck pain following surgery, but this difference was not significant at 24 months. However, at long-term follow-up, patients with SRD or SRA experienced lower quality of life than patients without SRD or SRA. The comorbid presence of both depression and anxiety was not associated with worse patient outcomes than either diagnosis alone.
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Affiliation(s)
- Andrew K Chan
- 1Department of Neurological Surgery, Columbia University, The Och Spine Hospital at NewYork/Presbyterian, New York, New York
| | | | - Christine Park
- 2Department of Neurosurgery, Duke University, Durham, North Carolina
| | - Oren N Gottfried
- 2Department of Neurosurgery, Duke University, Durham, North Carolina
| | - Khoi D Than
- 2Department of Neurosurgery, Duke University, Durham, North Carolina
| | - Erica F Bisson
- 3Department of Neurological Surgery, University of Utah, Salt Lake City, Utah
| | - Mohamad Bydon
- 4Department of Neurologic Surgery, Mayo Clinic, Rochester, Minnesota
| | - Anthony L Asher
- 5Neuroscience Institute, Carolinas Healthcare System and Carolina Neurosurgery & Spine Associates, Charlotte, North Carolina
| | - Domagoj Coric
- 5Neuroscience Institute, Carolinas Healthcare System and Carolina Neurosurgery & Spine Associates, Charlotte, North Carolina
| | - Eric A Potts
- 6Goodman Campbell Brain and Spine, Indianapolis, Indiana
| | - Kevin T Foley
- 7Department of Neurosurgery, University of Tennessee, Semmes-Murphey Neurologic and Spine Institute, Memphis, Tennessee
| | - Michael Y Wang
- 8Department of Neurological Surgery, University of Miami, Florida
| | - Kai-Ming Fu
- 9Department of Neurosurgery, Weill Cornell Medical Center, New York, New York
| | - Michael S Virk
- 9Department of Neurosurgery, Weill Cornell Medical Center, New York, New York
| | - John J Knightly
- 10Atlantic Neurosurgical Specialists, Morristown, New Jersey
| | - Scott Meyer
- 10Atlantic Neurosurgical Specialists, Morristown, New Jersey
| | - Paul Park
- 7Department of Neurosurgery, University of Tennessee, Semmes-Murphey Neurologic and Spine Institute, Memphis, Tennessee
- 11Department of Neurological Surgery, University of Michigan, Ann Arbor, Michigan
| | - Cheerag D Upadhyaya
- 12Marion Bloch Neuroscience Institute, Saint Luke's Health System, Kansas City, Missouri
| | - Mark E Shaffrey
- 13Department of Neurosurgery, University of Virginia, Charlottesville, Virginia
| | - Avery L Buchholz
- 13Department of Neurosurgery, University of Virginia, Charlottesville, Virginia
| | | | - Jay D Turner
- 14Barrow Neurological Institute, Phoenix, Arizona
| | | | - Brandon A Sherrod
- 3Department of Neurological Surgery, University of Utah, Salt Lake City, Utah
| | - Nitin Agarwal
- 15Department of Neurological Surgery, University of California, San Francisco, California; and
| | - Dean Chou
- 1Department of Neurological Surgery, Columbia University, The Och Spine Hospital at NewYork/Presbyterian, New York, New York
| | - Regis W Haid
- 16Atlanta Brain and Spine Care, Atlanta, Georgia
| | - Praveen V Mummaneni
- 15Department of Neurological Surgery, University of California, San Francisco, California; and
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16
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Wang TY, Tabarestani TQ, Mehta VA, Kranz PG, Gray LL, Brooks K, Brown DA, Fernandez-Moure JS, Schwab J, Than KD. Enterothecal fistula as a rare cause of adult pneumocephalus and meningitis: a case report. J Spine Surg 2023; 9:201-208. [PMID: 37435328 PMCID: PMC10331501 DOI: 10.21037/jss-22-89] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/09/2022] [Accepted: 03/14/2023] [Indexed: 07/13/2023]
Abstract
Background Enterothecal fistulas are pathological connections between the gastrointestinal system and subarachnoid space. These rare fistulas occur mostly in pediatric patients with sacral developmental anomalies. They have yet to be characterized in an adult born without congenital developmental anomaly yet must remain on the differential diagnosis when all other causes of meningitis and pneumocephalus have been ruled out. Good outcomes rely on aggressive multidisciplinary medical and surgical care, which are reviewed in this manuscript. Case Description A 25-year-old female with history of a sacral giant cell tumor resected via anterior transperitoneal approach followed by posterior L4-pelvis fusion presented with headaches and altered mental status. Imaging revealed that a portion of small bowel had migrated into her resection cavity and created an enterothecal fistula resulting in fecalith within the subarachnoid space and florid meningitis. The patient underwent a small bowel resection for fistula obliteration, and subsequently developed hydrocephalus requiring shunt placement and two suboccipital craniectomies for foramen magnum crowding. Ultimately, her wounds became infected requiring washouts and instrumentation removal. Despite a prolonged hospital course, she made significant recovery and at 10-month following presentation, she is awake, oriented, and able to participate in activities of daily living. Conclusions This is the first case of meningitis secondary to enterothecal fistula in a patient without a previous congenital sacral anomaly. Operative intervention for fistula obliteration is the primary treatment and should be performed at a tertiary hospital with multidisciplinary capabilities. If recognized quickly and appropriately treated, there is a possibility of good neurological outcome.
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Affiliation(s)
- Timothy Y. Wang
- Department of Neurological Surgery, Duke University Medical Center, Durham, NC, USA
| | | | - Vikram A. Mehta
- Department of Neurological Surgery, Duke University Medical Center, Durham, NC, USA
| | - Peter G. Kranz
- Department of Radiology, Duke University Medical Center, Durham, NC, USA
| | - Linda L. Gray
- Department of Radiology, Duke University Medical Center, Durham, NC, USA
| | - Kelli Brooks
- Department of Surgery, Duke University Medical Center, Durham, NC, USA
| | - David A. Brown
- Division of Plastic, Maxillofacial, and Oral Surgery, Duke University Medical Center, Durham, NC, USA
| | | | - Joseph Schwab
- Department of Orthopedic Surgery, Massachusetts General Hospital, Boston, MA, USA
| | - Khoi D. Than
- Department of Neurological Surgery, Duke University Medical Center, Durham, NC, USA
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17
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Passias PG, Tretiakov PS, Nunley PD, Wang MY, Park P, Kanter AS, Okonkwo DO, Eastlack RK, Mundis GM, Chou D, Agarwal N, Fessler RG, Uribe JS, Anand N, Than KD, Brusko G, Fu KM, Turner JD, Le VP, Line BG, Ames CP, Smith JS, Shaffrey CI, Hart RA, Burton D, Lafage R, Lafage V, Schwab F, Bess S, Mummaneni PV. Incremental benefits of circumferential minimally invasive surgery for increasingly frail patients with adult spinal deformity. J Neurosurg Spine 2023:1-7. [PMID: 37086158 DOI: 10.3171/2023.2.spine221278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Accepted: 02/28/2023] [Indexed: 04/23/2023]
Abstract
OBJECTIVE Circumferential minimally invasive surgery (cMIS) may provide incremental benefits compared with open surgery for patients with increasing frailty status by decreasing peri- and postoperative complications. METHODS Operative patients with adult spinal deformity (ASD) ≥ 18 years old with baseline and 2-year postoperative data were assessed. With propensity score matching, patients who underwent cMIS (cMIS group) were matched with similar patients who underwent open surgery (open group) based on baseline BMI, C7-S1 sagittal vertical axis, pelvic incidence to lumbar lordosis mismatch, and S1 pelvic tilt. The Passias modified ASD frailty index (mASD-FI) was used to determine patient frailty stratification as not frail, frail, or severely frail. Baseline and postoperative factors were assessed using two-way analysis of covariance (ANCOVA) and multivariate ANCOVA while controlling for baseline age, Charlson Comorbidity Index (CCI) score, and number of levels fused. RESULTS After propensity score matching, 170 ASD patients (mean age 62.71 ± 13.64 years, 75.0% female, mean BMI 29.25 ± 6.60 kg/m2) were included, split evenly between the cMIS and open groups. Surgically, patients in the open group had higher numbers of posterior levels fused (p = 0.021) and were more likely to undergo three-column osteotomies (p > 0.05). Perioperatively, cMIS patients had lower intraoperative blood loss and decreased use of cell saver across frailty groups (with adjustment for baseline age, CCI score, and levels fused), as well as fewer perioperative complications (p < 0.001). Adjusted analysis also revealed that compared to open patients, increasingly frail patients in the cMIS group were also more likely to demonstrate greater improvement in 1- and 2-year postoperative scores for the Oswestry Disability Index, SRS-36 (total), EQ-5D and SF-36 (all p < 0.05). With regard to postoperative complications, increasingly frail patients in the cMIS group were also noted to experience significantly fewer complications overall (p = 0.036) and fewer major intraoperative complications (p = 0.039). The cMIS patients were also less likely to need a reoperation than their open group counterparts (p = 0.043). CONCLUSIONS Surgery performed with a cMIS technique may offer acceptable outcomes, with diminishment of perioperative complications and mitigation of catastrophic outcomes, in increasingly frail patients who may not be candidates for surgery using traditional open techniques. However, further studies should be performed to investigate the long-term impact of less optimal alignment in this population.
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Affiliation(s)
- Peter G Passias
- 1Departments of Orthopedic and Neurological Surgery, Division of Spine Surgery, NYU Langone Orthopedic Hospital; New York Spine Institute, New York, New York
| | - Peter S Tretiakov
- 1Departments of Orthopedic and Neurological Surgery, Division of Spine Surgery, NYU Langone Orthopedic Hospital; New York Spine Institute, New York, New York
| | - Pierce D Nunley
- 2Department of Orthopedic Surgery, Spine Institute of Louisiana, Shreveport, Louisiana
| | - Michael Y Wang
- 3Department of Neurological Surgery, University of Miami, Florida
| | - Paul Park
- 4Department of Neurosurgery, Semmes-Murphey Neurologic and Spine Institute, Memphis, Tennessee
| | - Adam S Kanter
- 5Department of Neurosurgery, Hoag Pickup Family Neurosciences Institute, Newport Beach, California
| | - David O Okonkwo
- 6Department of Neurological Surgery, Division of Neurosurgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
| | - Robert K Eastlack
- 7Division of Orthopaedic Surgery, Scripps Clinic, La Jolla, California
| | - Gregory M Mundis
- 7Division of Orthopaedic Surgery, Scripps Clinic, La Jolla, California
| | - Dean Chou
- 8Department of Neurological Surgery, University of California, San Francisco, California
| | - Nitin Agarwal
- 6Department of Neurological Surgery, Division of Neurosurgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
| | - Richard G Fessler
- 9Department of Neurosurgery, Rush University Medical Center, Chicago, Illinois
| | - Juan S Uribe
- 10Department of Neurosurgery, Barrow Neurological Institute, Phoenix, Arizona
| | - Neel Anand
- 11Department of Orthopedic Surgery, Cedars-Sinai Health Center, Los Angeles, California
| | - Khoi D Than
- 12Department of Neurosurgery, Duke University Medical Center, Durham, North Carolina
| | - Gregory Brusko
- 3Department of Neurological Surgery, University of Miami, Florida
| | - Kai-Ming Fu
- 13Department of Neurological Surgery, Weill Cornell Medical Center, New York, New York
| | - Jay D Turner
- 10Department of Neurosurgery, Barrow Neurological Institute, Phoenix, Arizona
| | - Vivian P Le
- 8Department of Neurological Surgery, University of California, San Francisco, California
| | - Breton G Line
- 14Department of Spine Surgery, Denver International Spine Center, Presbyterian St. Luke's/Rocky Mountain Hospital for Children, Denver, Colorado
| | - Christopher P Ames
- 8Department of Neurological Surgery, University of California, San Francisco, California
| | - Justin S Smith
- 15Department of Neurosurgery, University of Virginia Medical Center, Charlottesville, Virginia
| | | | - Robert A Hart
- 16Department of Orthopaedic Surgery, Swedish Neuroscience Institute, Seattle, Washington
| | - Douglas Burton
- 17Department of Orthopaedic Surgery, University of Kansas Medical Center, Kansas City, Kansas; and
| | - Renaud Lafage
- 18Department of Orthopaedics, Lenox Hill Hospital, Northwell Health, New York, New York
| | - Virginie Lafage
- 18Department of Orthopaedics, Lenox Hill Hospital, Northwell Health, New York, New York
| | - Frank Schwab
- 18Department of Orthopaedics, Lenox Hill Hospital, Northwell Health, New York, New York
| | - Shay Bess
- 14Department of Spine Surgery, Denver International Spine Center, Presbyterian St. Luke's/Rocky Mountain Hospital for Children, Denver, Colorado
| | - Praveen V Mummaneni
- 8Department of Neurological Surgery, University of California, San Francisco, California
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18
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Bisson EF, Mummaneni PV, Michalopoulos GD, El Sammak S, Chan AK, Agarwal N, Wang MY, Knightly JJ, Sherrod BA, Gottfried ON, Than KD, Shaffrey CI, Goldberg JL, Virk MS, Hussain I, Shabani S, Glassman SD, Tumialan LM, Turner JD, Uribe JS, Meyer SA, Lu DC, Buchholz AL, Upadhyaya C, Shaffrey ME, Park P, Foley KT, Coric D, Slotkin JR, Potts EA, Stroink AR, Chou D, Fu KMG, Haid RW, Asher AL, Bydon M. Sleep Disturbances in Cervical Spondylotic Myelopathy: Prevalence and Postoperative Outcomes-an Analysis From the Quality Outcomes Database. Clin Spine Surg 2023; 36:112-119. [PMID: 36920372 DOI: 10.1097/bsd.0000000000001454] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2022] [Accepted: 01/25/2023] [Indexed: 03/16/2023]
Abstract
STUDY DESIGN Prospective observational study, level of evidence 1 for prognostic investigations. OBJECTIVES To evaluate the prevalence of sleep impairment and predictors of improved sleep quality 24 months postoperatively in cervical spondylotic myelopathy (CSM) using the quality outcomes database. SUMMARY OF BACKGROUND DATA Sleep disturbances are a common yet understudied symptom in CSM. MATERIALS AND METHODS The quality outcomes database was queried for patients with CSM, and sleep quality was assessed through the neck disability index sleep component at baseline and 24 months postoperatively. Multivariable logistic regressions were performed to identify risk factors of failure to improve sleep impairment and symptoms causing lingering sleep dysfunction 24 months after surgery. RESULTS Among 1135 patients with CSM, 904 (79.5%) had some degree of sleep dysfunction at baseline. At 24 months postoperatively, 72.8% of the patients with baseline sleep symptoms experienced improvement, with 42.5% reporting complete resolution. Patients who did not improve were more like to be smokers [adjusted odds ratio (aOR): 1.85], have osteoarthritis (aOR: 1.72), report baseline radicular paresthesia (aOR: 1.51), and have neck pain of ≥4/10 on a numeric rating scale. Patients with improved sleep noted higher satisfaction with surgery (88.8% vs 72.9%, aOR: 1.66) independent of improvement in other functional areas. In a multivariable analysis including pain scores and several myelopathy-related symptoms, lingering sleep dysfunction at 24 months was associated with neck pain (aOR: 1.47) and upper (aOR: 1.45) and lower (aOR: 1.52) extremity paresthesias. CONCLUSION The majority of patients presenting with CSM have associated sleep disturbances. Most patients experience sustained improvement after surgery, with almost half reporting complete resolution. Smoking, osteoarthritis, radicular paresthesia, and neck pain ≥4/10 numeric rating scale score are baseline risk factors of failure to improve sleep dysfunction. Improvement in sleep symptoms is a major driver of patient-reported satisfaction. Incomplete resolution of sleep impairment is likely due to neck pain and extremity paresthesia.
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Affiliation(s)
- Erica F Bisson
- Department of Neurological Surgery, University of Utah, Salt Lake City, UT
| | - Praveen V Mummaneni
- Department of Neurological Surgery, University of California San Francisco, San Francisco, CA
| | - Giorgos D Michalopoulos
- Mayo Clinic Neuro-Informatics Laboratory, Mayo Clinic, Rochester
- Department of Neurological Surgery, Mayo Clinic, Rochester, MN
| | - Sally El Sammak
- Mayo Clinic Neuro-Informatics Laboratory, Mayo Clinic, Rochester
- Department of Neurological Surgery, Mayo Clinic, Rochester, MN
| | - Andrew K Chan
- Department of Neurological Surgery, Columbia University, The Och Spine Hospital at NewYork-Presbyterian, New York, NY
| | - Nitin Agarwal
- Department of Neurosurgery, Washington University School of Medicine, St. Louis, MO
| | - Michael Y Wang
- Department of Neurosurgery, University of Miami, Miami, FL
| | | | - Brandon A Sherrod
- Department of Neurological Surgery, University of Utah, Salt Lake City, UT
| | - Oren N Gottfried
- Department of Neurological Surgery, Duke University Medical Center, Durham, NC
| | - Khoi D Than
- Department of Neurological Surgery, Duke University Medical Center, Durham, NC
| | | | - Jacob L Goldberg
- Department of Neurological Surgery, Weill Cornell Medical Center, New York
| | - Michael S Virk
- Department of Neurological Surgery, Weill Cornell Medical Center, New York
| | - Ibrahim Hussain
- Department of Neurological Surgery, Weill Cornell Medical Center, New York
| | - Saman Shabani
- Department of Neurosurgery, Medical College of Wisconsin, Wauwatosa, WI
| | | | - Louis M Tumialan
- Department of Neurosurgery, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, AZ
| | - Jay D Turner
- Department of Neurosurgery, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, AZ
| | - Juan S Uribe
- Department of Neurosurgery, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, AZ
| | | | - Daniel C Lu
- Department of Neurosurgery, University of California Los Angeles, David Geffen School of Medicine, Los Angeles, CA
| | - Avery L Buchholz
- Department of Neurosurgery, University of Virginia, Charlottesville, VA
| | - Cheerag Upadhyaya
- Department of Neurosurgery, School of Medicine, University of North Carolina, Chapel Hill, NC
| | - Mark E Shaffrey
- Department of Neurosurgery, University of Virginia, Charlottesville, VA
| | - Paul Park
- Department of Neurosurgery, University of Tennessee, Memphis, TN
| | - Kevin T Foley
- Department of Neurosurgery, University of Tennessee, Memphis, TN
| | - Domagoj Coric
- Neuroscience Institute, Carolina Neurosurgery and Spine Associates, Carolinas Healthcare System, Charlotte, NC
| | | | - Eric A Potts
- Department of Neurological Surgery, Indiana University, Goodman Campbell Brain and Spine, Indianapolis, IN
| | - Ann R Stroink
- Central Illinois Neuro Health Science, Bloomington, IL
| | - Dean Chou
- Department of Neurological Surgery, Columbia University, The Och Spine Hospital at NewYork-Presbyterian, New York, NY
| | - Kai-Ming G Fu
- Department of Neurological Surgery, Weill Cornell Medical Center, New York
| | | | - Anthony L Asher
- Neuroscience Institute, Carolina Neurosurgery and Spine Associates, Carolinas Healthcare System, Charlotte, NC
| | - Mohamad Bydon
- Mayo Clinic Neuro-Informatics Laboratory, Mayo Clinic, Rochester
- Department of Neurological Surgery, Mayo Clinic, Rochester, MN
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19
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Cook CE, George SZ, Lentz T, Park C, Shaffrey CI, Goodwin CR, Than KD, Gottfried ON. High-Impact Chronic Pain Transition in Lumbar Surgery Recipients. Pain Med 2023; 24:258-268. [PMID: 36200873 DOI: 10.1093/pm/pnac150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 08/07/2022] [Accepted: 08/11/2022] [Indexed: 11/12/2022]
Abstract
OBJECTIVE High-impact chronic pain (HICP) is a term that characterizes the presence of a severe and troubling pain-related condition. To date, the prevalence of HICP in lumbar spine surgery recipients and their HICP transitions from before to after surgery are unexplored. The purpose was to define HICP prevalence, transition types, and outcomes in lumbar spine surgery recipients and to identify predictors of HICP outcomes. METHODS In total, 43,536 lumbar surgery recipients were evaluated for HICP transition. Lumbar spine surgery recipients were categorized as having HICP preoperatively and at 3 months after surgery if they exhibited chronic and severe pain and at least one major activity limitation. Four HICP transition groups (Stable Low Pain, Transition from HICP, Transition to HICP, and Stable High Pain) were categorized and evaluated for outcomes. Multivariate multinomial modeling was used to predict HICP transition categorization. RESULTS In this sample, 15.1% of individuals exhibited HICP preoperatively; this value declined to 5.1% at 3 months after surgery. Those with HICP at baseline and 3 months had more comorbidities and worse overall outcomes. Biological, psychological, and social factors predicted HICP transition or Stable High Pain; some of the strongest involved social factors of 2 or more to transition to HICP (OR = 1.43; 95% CI = 1.21-1.68), and baseline report of pain/disability (OR = 3.84; 95% CI = 3.20-4.61) and psychological comorbidity (OR = 1.78; 95% CI = 1.48-2.12) to Stable Stable High Pain. CONCLUSION The percentage of individuals with HICP preoperatively (15.1%) was low, which further diminished over a 3-month period (5.1%). Postoperative HICP groups had higher levels of comorbidities and worse baseline outcomes scores. Transition to and maintenance of HICP status was predicted by biological, psychological, and social factors.
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Affiliation(s)
- Chad E Cook
- Department of Orthopaedics, Duke University, Durham, North Carolina.,Duke Clinical Research Institute, Duke University, Durham, North Carolina.,Department of Population Health Sciences, Duke University, Durham, North Carolina
| | - Steven Z George
- Department of Orthopaedics, Duke University, Durham, North Carolina.,Duke Clinical Research Institute, Duke University, Durham, North Carolina
| | - Trevor Lentz
- Department of Orthopaedics, Duke University, Durham, North Carolina.,Duke Clinical Research Institute, Duke University, Durham, North Carolina
| | - Christine Park
- Department of Neurosurgery, Duke University, Durham, North Carolina, USA
| | - Christopher I Shaffrey
- Department of Orthopaedics, Duke University, Durham, North Carolina.,Department of Neurosurgery, Duke University, Durham, North Carolina, USA
| | - C Rory Goodwin
- Department of Neurosurgery, Duke University, Durham, North Carolina, USA
| | - Khoi D Than
- Department of Neurosurgery, Duke University, Durham, North Carolina, USA
| | - Oren N Gottfried
- Department of Neurosurgery, Duke University, Durham, North Carolina, USA
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20
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Sherrod BA, Michalopoulos GD, Mulvaney G, Agarwal N, Chan AK, Asher AL, Coric D, Virk MS, Fu KM, Foley KT, Park P, Upadhyaya CD, Knightly JJ, Shaffrey ME, Potts EA, Shaffrey CI, Gottfried ON, Than KD, Wang MY, Tumialán LM, Chou D, Mummaneni PV, Bydon M, Bisson EF. Development of new postoperative neck pain at 12 and 24 months after surgery for cervical spondylotic myelopathy: a Quality Outcomes Database study. J Neurosurg Spine 2023; 38:357-365. [PMID: 36308471 DOI: 10.3171/2022.9.spine22611] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Accepted: 09/26/2022] [Indexed: 11/07/2022]
Abstract
OBJECTIVE Patients who undergo surgery for cervical spondylotic myelopathy (CSM) will occasionally develop postoperative neck pain that was not present preoperatively, yet the incidence of this phenomenon is unclear. The authors aimed to elucidate patient and surgical factors associated with new-onset sustained pain after CSM surgery. METHODS The authors reviewed data from the Quality Outcomes Database (QOD) CSM module. The presence of neck pain was defined using the neck pain numeric rating scale (NRS). Patients with no neck pain at baseline (neck NRS score ≤ 1) were then stratified based on the presence of new postoperative pain development (neck NRS score ≥ 2) at 12 and 24 months postoperatively. RESULTS Of 1141 patients in the CSM QOD, 224 (19.6%) reported no neck pain at baseline. Among 170 patients with no baseline neck pain and available 12-month follow-up, 46 (27.1%) reported new postoperative pain. Among 184 patients with no baseline neck pain and available 24-month follow-up, 53 (28.8%) reported new postoperative pain. The mean differences in neck NRS scores were 4.3 for those with new postoperative pain compared with those without at 12 months (4.4 ± 2.2 vs 0.1 ± 0.3, p < 0.001) and 3.9 at 24 months (4.1 ± 2.4 vs 0.2 ± 0.4, p < 0.001). The majority of patients reporting new-onset neck pain reported being satisfied with surgery, but their satisfaction was significantly lower compared with patients without pain at the 12-month (66.7% vs 94.3%, p < 0.001) and 24-month (65.4% vs 90.8%, p < 0.001) follow-ups. The baseline Neck Disability Index (NDI) was an independent predictor of new postoperative neck pain at both the 12-month and 24-month time points (adjusted OR [aOR] 1.04, 95% CI 1.01-1.06; p = 0.002; and aOR 1.03, 95% CI 1.01-1.05; p = 0.026, respectively). The total number of levels treated was associated with new-onset neck pain at 12 months (aOR 1.34, 95% CI 1.09-1.64; p = 0.005), and duration of symptoms more than 3 months was a predictor of 24-month neck pain (aOR 3.22, 95% CI 1.01-10.22; p = 0.048). CONCLUSIONS Increased NDI at baseline, number of levels treated surgically, and duration of symptoms longer than 3 months preoperatively correlate positively with the risk of new-onset neck pain following CSM surgery. The majority of patients with new-onset neck pain still report satisfaction from surgery, suggesting that the risk of new-onset neck pain should not hinder indicated operations from being performed.
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Affiliation(s)
- Brandon A Sherrod
- 1Department of Neurosurgery, Clinical Neurosciences Center, University of Utah, Salt Lake City, Utah
| | | | - Graham Mulvaney
- 3Department of Neurosurgery, Carolina Neurosurgery and Spine Associates and Neuroscience Institute, Carolinas Health Care System, Charlotte, North Carolina
| | - Nitin Agarwal
- 4Department of Neurosurgery, University of California, San Francisco, California
| | - Andrew K Chan
- 5Department of Neurosurgery, Duke University, Durham, North Carolina
| | - Anthony L Asher
- 3Department of Neurosurgery, Carolina Neurosurgery and Spine Associates and Neuroscience Institute, Carolinas Health Care System, Charlotte, North Carolina
| | - Domagoj Coric
- 3Department of Neurosurgery, Carolina Neurosurgery and Spine Associates and Neuroscience Institute, Carolinas Health Care System, Charlotte, North Carolina
| | - Michael S Virk
- 6Department of Neurosurgery, Weill Cornell Medical College, New York, New York
| | - Kai-Ming Fu
- 6Department of Neurosurgery, Weill Cornell Medical College, New York, New York
| | - Kevin T Foley
- 7Department of Neurosurgery, University of Tennessee and Semmes Murphey Clinic, Memphis, Tennessee
| | - Paul Park
- 8Department of Neurosurgery, University of Michigan, Ann Arbor, Michigan
| | - Cheerag D Upadhyaya
- 9Saint Luke's Neurological and Spine Surgery, Kansas City, Missouri
- 10Department of Neurosurgery, University of North Carolina, Chapel Hill, North Carolina
| | - John J Knightly
- 11Atlantic Neurosurgical Specialists, Morristown, New Jersey
| | - Mark E Shaffrey
- 12Department of Neurosurgery, University of Virginia Health System, Charlottesville, Virginia
| | - Eric A Potts
- 13Department of Neurosurgery, Indiana University; Goodman Campbell Brain and Spine, Indianapolis, Indiana
| | | | - Oren N Gottfried
- 5Department of Neurosurgery, Duke University, Durham, North Carolina
| | - Khoi D Than
- 5Department of Neurosurgery, Duke University, Durham, North Carolina
| | - Michael Y Wang
- 14Department of Neurosurgery, University of Miami, Florida; and
| | | | - Dean Chou
- 4Department of Neurosurgery, University of California, San Francisco, California
| | - Praveen V Mummaneni
- 4Department of Neurosurgery, University of California, San Francisco, California
| | - Mohamad Bydon
- 2Department of Neurosurgery, Mayo Clinic, Rochester, Minnesota
| | - Erica F Bisson
- 1Department of Neurosurgery, Clinical Neurosciences Center, University of Utah, Salt Lake City, Utah
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21
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Anand N, Mummaneni PV, Uribe JS, Turner J, Than KD, Chou D, Nunley PD, Wang MY, Fessler RG, Le V, Robinson J, Walker C, Kahwaty S, Khanderhoo B, Eastlack RK, Okonkwo DO, Kanter AS, Fu KMG, Mundis GM, Passias P, Park P. Spinal Deformity Complexity Checklist for Minimally Invasive Surgery: Expert Consensus from the Minimally Invasive International Spine Study Group. World Neurosurg 2023; 173:e472-e477. [PMID: 36841536 DOI: 10.1016/j.wneu.2023.02.082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Revised: 02/17/2023] [Accepted: 02/18/2023] [Indexed: 02/25/2023]
Abstract
BACKGROUND We developed a spinal deformity complexity checklist (SDCC) to assess the difficulty in performing a circumferential minimally invasive surgery (MIS) for adult spinal deformity. METHODS A modified Delphi method of panel experts was used to construct an SDCC checklist of radiographic and patient-related characteristics that could affect the complexity of surgery via MIS approaches. Ten surgeons with expertise in MIS deformity surgery were queried to develop and refine the SDCC with 3 radiographic categories (x-ray, magnetic resonance imaging, computed tomography) and 1 patient-related category. Within each category, characteristics affecting MIS complexity were identified by initial roundtable discussion. Second-round discussion determined which characteristics substantially impacted complexity the most. RESULTS Thirteen characteristics within the x-ray category were determined. Spinopelvic characteristics, endpoints of instrumentation, and prior hardware/fusion were associated with increased complexity. Vertebral body rotation-as reflected by the Nash-Moe grade-added significant complexity. Psoas anatomy and spinal stenosis added the most complexity for the 5 magnetic resonance imaging characteristics. There were 3 characteristics in the CT category with pre-exisiting fusion, being the variable most highly selected. Of the 5 patient-related characteristics, osteoporosis and BMI were found to most affect complexity. CONCLUSIONS The SDCC is a comprehensive list of pertinent radiographic and patient-related characteristics affecting complexity level for MIS deformity surgery. The value of the SDCC is that it allows rapid assessment of key factors when determining whether MIS surgery can be performed effectively and safely. Patients with scores of 4 in any characteristic should be considered challenging to treat with MIS; open surgery may be a better alternative.
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Affiliation(s)
- Neel Anand
- Department of Orthopaedics, Cedars-Sinai Medical Center, Los Angeles, California, USA
| | - Praveen V Mummaneni
- Department of Neurosurgery, University of California-San Francisco, San Francisco, California, USA
| | - Juan S Uribe
- Barrow Neurologic Institute, Phoenix, Arizona, USA
| | - Jay Turner
- Barrow Neurologic Institute, Phoenix, Arizona, USA
| | - Khoi D Than
- Departments of Orthopaedic Surgery and Neurosurgery, Duke University, Durham, North Carolina, USA
| | - Dean Chou
- Department of Neurosurgery, University of California-San Francisco, San Francisco, California, USA
| | | | - Michael Y Wang
- Department of Neurosurgery, University of Miami, Miami, Florida, USA
| | - Richard G Fessler
- Department of Neurological Surgery, Rush University Medical Center, Chicago, Illinois, USA
| | - Vivian Le
- Department of Neurosurgery, University of California-San Francisco, San Francisco, California, USA
| | - Jerry Robinson
- Department of Orthopaedics, Cedars-Sinai Medical Center, Los Angeles, California, USA
| | - Corey Walker
- Department of Orthopaedics, Cedars-Sinai Medical Center, Los Angeles, California, USA
| | - Sheila Kahwaty
- Department of Orthopaedics, Cedars-Sinai Medical Center, Los Angeles, California, USA
| | - Babak Khanderhoo
- Department of Orthopaedics, Cedars-Sinai Medical Center, Los Angeles, California, USA
| | - Robert K Eastlack
- Department of Orthopaedic Surgery, Scripps Clinic, La Jolla, California, USA
| | - David O Okonkwo
- Department of Neurosurgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - Adam S Kanter
- Department of Neurosurgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - Kai-Ming G Fu
- Department of Neurosurgery, Cornell Medical Center, New York, New York, USA
| | - Gregory M Mundis
- Department of Orthopaedic Surgery, Scripps Clinic, La Jolla, California, USA
| | - Peter Passias
- Division of Spinal Surgery, Department of Orthopaedic and Neurological Surgery, NYU School of Medicine, New York Spine Institute, New York, New York, USA
| | - Paul Park
- Semmes-Murphey Neurologic and Spine Institute, Memphis, Tennessee, USA; Department of Neurosurgery, The University of Tennessee Health Science Center, Memphis, Tennessee, USA.
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22
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Zaki MM, Joshi RS, Ibrahim S, Michalopoulos GD, Linzey JR, Saadeh YS, Upadhyaya C, Coric D, Potts EA, Bisson EF, Turner JD, Knightly JJ, Fu KM, Foley KT, Tumialan L, Shaffrey ME, Bydon M, Mummaneni PV, Chou D, Chan AK, Meyer S, Asher AL, Shaffrey CI, Gottfried ON, Than KD, Wang M, Haid R, Slotkin JR, Glassman SD, Park P. How closely are outcome questionnaires correlated to patient satisfaction after cervical spine surgery for myelopathy? J Neurosurg Spine 2023; 38:521-529. [PMID: 36805998 DOI: 10.3171/2023.1.spine22888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Accepted: 01/09/2023] [Indexed: 02/23/2023]
Abstract
OBJECTIVE Patient-reported outcomes (PROs) have become the standard means to measure surgical outcomes. Insurers and policy makers are also increasingly utilizing PROs to assess the value of care and measure different aspects of a patient's condition. For cervical myelopathy, it is currently unclear which outcome measure best reflects patient satisfaction. In this investigation, the authors evaluated patients treated for cervical myelopathy to determine which outcome questionnaires best correlate with patient satisfaction. METHODS The Quality Outcomes Database (QOD), a prospectively collected multi-institutional database, was used to retrospectively analyze patients undergoing surgery for cervical myelopathy. The North American Spine Society (NASS) satisfaction index, Neck Disability Index (NDI), numeric rating scales for neck pain (NP-NRS) and arm pain (AP-NRS), EQ-5D, and modified Japanese Orthopaedic Association (mJOA) scale were evaluated. RESULTS The analysis included 1141 patients diagnosed with myelopathy, of whom 1099 had an NASS satisfaction index recorded at any of the follow-up time points. Concomitant radiculopathy was an indication for surgery in 368 (33.5%) patients, and severe neck pain (NP-NRS ≥ 7) was present in 471 (42.8%) patients. At the 3-month follow-up, NASS patient satisfaction index scores were positively correlated with scores for the NP-NRS (r = 0.30), AP-NRS (r = 0.32), and NDI (r = 0.36) and negatively correlated with EQ-5D (r = -0.38) and mJOA (r = -0.29) scores (all p < 0.001). At the 12-month follow-up, scores for the NASS index were positively correlated with scores for the NP-NRS (r = 0.44), AP-NRS (r = 0.38), and NDI (r = 0.46) and negatively correlated with scores for the EQ-5D (r = -0.40) and mJOA (r = -0.36) (all p < 0.001). At the 24-month follow-up, NASS index scores were positively correlated with NP-NRS (r = 0.49), AP-NRS (r = 0.36), and NDI (r = 0.49) scores and negatively correlated with EQ-5D (r = -0.44) and mJOA (r = -0.38) scores (all p < 0.001). CONCLUSIONS Neck pain was highly prevalent in patients with myelopathy. Notably, improvement in neck pain-associated disability rather than improvement in myelopathy was the most prominent PRO factor for patients. This finding may reflect greater patient concern for active pain symptoms than for neurological symptoms caused by myelopathy. As commercial payers begin to examine novel remuneration strategies for surgical interventions, thoughtful analysis of PRO measurements will have increasing relevance.
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Affiliation(s)
- Mark M Zaki
- 1Department of Neurosurgery, University of Michigan, Ann Arbor, Michigan
| | - Rushikesh S Joshi
- 1Department of Neurosurgery, University of Michigan, Ann Arbor, Michigan
| | - Sufyan Ibrahim
- 2Department of Neurosurgery, Mayo Clinic, Rochester, Minnesota
| | | | - Joseph R Linzey
- 1Department of Neurosurgery, University of Michigan, Ann Arbor, Michigan
| | - Yamaan S Saadeh
- 1Department of Neurosurgery, University of Michigan, Ann Arbor, Michigan
| | | | - Domagoj Coric
- 4Carolina Neurosurgery and Spine Associates, Charlotte, North Carolina
| | - Eric A Potts
- 5Goodman Campbell Brain and Spine, Carmel, Indiana
| | - Erica F Bisson
- 6Department of Neurosurgery, University of Utah, Salt Lake City, Utah
| | - Jay D Turner
- 7Barrow Neurological Institute, Phoenix, Arizona
| | | | - Kai-Ming Fu
- 9Department of Neurological Surgery, Weill Cornell Medicine, New York, New York
| | - Kevin T Foley
- 10Department of Neurosurgery, Semmes-Murphey Neurologic and Spine Institute, University of Tennessee, Memphis, Tennessee
| | | | - Mark E Shaffrey
- 11Department of Neurosurgery, University of Virginia, Charlottesville, Virginia
| | - Mohamad Bydon
- 2Department of Neurosurgery, Mayo Clinic, Rochester, Minnesota
| | - Praveen V Mummaneni
- 12Department of Neurological Surgery, University of California, San Francisco, California
| | - Dean Chou
- 12Department of Neurological Surgery, University of California, San Francisco, California
| | - Andrew K Chan
- 12Department of Neurological Surgery, University of California, San Francisco, California
| | - Scott Meyer
- 8Altair Health Spine and Wellness, Morristown, New Jersey
| | - Anthony L Asher
- 4Carolina Neurosurgery and Spine Associates, Charlotte, North Carolina
| | | | - Oren N Gottfried
- 13Department of Neurological Surgery, Duke University, Durham, North Carolina
| | - Khoi D Than
- 13Department of Neurological Surgery, Duke University, Durham, North Carolina
| | - Michael Wang
- 14Department of Neurological Surgery, University of Miami Miller School of Medicine, Miami, Florida
| | - Regis Haid
- 15Atlanta Brain and Spine, Atlanta, Georgia
| | | | | | - Paul Park
- 1Department of Neurosurgery, University of Michigan, Ann Arbor, Michigan.,10Department of Neurosurgery, Semmes-Murphey Neurologic and Spine Institute, University of Tennessee, Memphis, Tennessee
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23
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Bergin SM, Michalopoulos GD, Shaffrey CI, Gottfried ON, Johnson E, Bisson EF, Wang MY, Knightly JJ, Virk MS, Tumialán LM, Turner JD, Upadhyaya CD, Shaffrey ME, Park P, Foley KT, Coric D, Slotkin JR, Potts EA, Chou D, Fu KMG, Haid RW, Asher AL, Bydon M, Mummaneni PV, Than KD. Characteristics of patients who return to work after undergoing surgery for cervical spondylotic myelopathy: a Quality Outcomes Database study. J Neurosurg Spine 2023; 38:530-539. [PMID: 36805526 DOI: 10.3171/2023.1.spine221078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Accepted: 01/17/2023] [Indexed: 02/23/2023]
Abstract
OBJECTIVE Return to work (RTW) is an important surgical outcome for patients who are employed, yet a significant number of patients with cervical spondylotic myelopathy (CSM) who are employed undergo cervical spine surgery and fail to RTW. In this study, the authors investigated factors associated with failure to RTW in the CSM population who underwent cervical spine surgery and who were considered to have a good surgical outcome yet failed to RTW. METHODS This study retrospectively analyzed prospectively collected data from the cervical myelopathy module of a national spine registry, the Quality Outcomes Database. The CSM data set of the Quality Outcomes Database was queried for patients who were employed at the time of surgery and planned to RTW postoperatively. Distinct multivariable logistic regression models were fitted with 3-month RTW as an outcome for the overall population to identify risk factors for failure to RTW. Good outcomes were defined as patients who had no adverse events (readmissions or complications), who had achieved 30% improvement in Neck Disability Index score, and who were satisfied (North American Spine Society satisfaction score of 1 or 2) at 3 months postsurgery. RESULTS Of the 409 patients who underwent surgery, 80% (n = 327) did RTW at 3 months after surgery. At 3 months, 56.9% of patients met the criteria for a good surgical outcome, and patients with a good outcome were more likely to RTW (88.1% vs 69.2%, p < 0.01). Of patients with a good outcome, 11.9% failed to RTW at 3 months. Risk factors for failing to RTW despite a good outcome included preoperative short-term disability or leave status (OR 3.03 [95% CI 1.66-7.90], p = 0.02); a higher baseline Neck Disability Index score (OR 1.41 [95% CI 1.09-1.84], p < 0.01); and higher neck pain score at 3 months postoperatively (OR 0.81 [95% CI 0.66-0.99], p = 0.04). CONCLUSIONS Most patients with CSM who undergo spine surgery reenter the workforce within 3 months from surgery, with RTW rates being higher among patients who experience good outcomes. Among patients with good outcomes who were employed, failure to RTW was associated with being on preoperative short-term disability or leave status prior to surgery as well as higher neck pain scores at baseline and at 3 months postoperatively.
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Affiliation(s)
- Stephen M Bergin
- 1Department of Neurosurgery, Division of Spine, Duke University, Durham, North Carolina
| | | | | | - Oren N Gottfried
- 1Department of Neurosurgery, Division of Spine, Duke University, Durham, North Carolina
| | - Eli Johnson
- 1Department of Neurosurgery, Division of Spine, Duke University, Durham, North Carolina
| | - Erica F Bisson
- 3Department of Neurological Surgery, University of Utah, Salt Lake City, Utah
| | - Michael Y Wang
- 5Department of Neurological Surgery, University of Miami, Florida
| | | | - Michael S Virk
- 7Department of Neurosurgery, Weill Cornell Medical Center, New York, New York
| | | | - Jay D Turner
- 8Barrow Neurological Institute, Phoenix, Arizona
| | - Cheerag D Upadhyaya
- 9Marion Bloch Neuroscience Institute, Saint Luke's Health System, Kansas City, Missouri
| | - Mark E Shaffrey
- 10Department of Neurosurgery, University of Virginia, Charlottesville, Virginia
| | - Paul Park
- 11Semmes-Murphey Clinic, University of Tennessee College of Medicine, Memphis, Tennessee
| | - Kevin T Foley
- 11Semmes-Murphey Clinic, University of Tennessee College of Medicine, Memphis, Tennessee
| | - Domagoj Coric
- 12Neuroscience Institute, Carolinas Healthcare System and Carolina Neurosurgery & Spine Associates, Charlotte, North Carolina
| | | | - Eric A Potts
- 14Goodman Campbell Brain and Spine, Indianapolis, Indiana; and
| | - Dean Chou
- 4Department of Neurological Surgery, University of California, San Francisco, California
| | - Kai-Ming G Fu
- 7Department of Neurosurgery, Weill Cornell Medical Center, New York, New York
| | - Regis W Haid
- 15Atlanta Brain and Spine Care, Atlanta, Georgia
| | - Anthony L Asher
- 12Neuroscience Institute, Carolinas Healthcare System and Carolina Neurosurgery & Spine Associates, Charlotte, North Carolina
| | - Mohamad Bydon
- 2Department of Neurologic Surgery, Mayo Clinic, Rochester, Minnesota
| | - Praveen V Mummaneni
- 4Department of Neurological Surgery, University of California, San Francisco, California
| | - Khoi D Than
- 1Department of Neurosurgery, Division of Spine, Duke University, Durham, North Carolina
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24
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Wang TY, Tabarestani TQ, Mehta VA, Sankey EW, Karikari IO, Goodwin CR, Than KD, Abd-El-Barr MM. A Comparison of Percutaneous Pedicle Screw Accuracy Between Robotic Navigation and Novel Fluoroscopy-Based Instrument Tracking for Patients Undergoing Instrumented Thoracolumbar Surgery. World Neurosurg 2023; 172:e389-e395. [PMID: 36649859 DOI: 10.1016/j.wneu.2023.01.037] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 01/10/2023] [Accepted: 01/11/2023] [Indexed: 01/15/2023]
Abstract
BACKGROUND The accuracy of pedicle screws placed with instrument tracking and robotic navigation are individually comparable or superior to placement using standard fluoroscopy, however head-to-head comparisons between these adjuncts in a similar surgical population have yet to be performed. METHODS Consecutive patients undergoing percutaneous thoracic and lumbosacral spinal instrumentation were retrospectively enrolled. Instrumentation was performed using either fluoroscopy-based instrument tracking system (TrackX, TrackX Technologies) or robotic-navigation (ExcelsiusGPS, Globus Medical). Postinstrumentation computed tomography scans were graded for breach according to the Gertzbein-Robbins scale, with "acceptable" screws deemed as Grade A or B and "unacceptable" screws deemed as Grades C through E. Accuracy data was compared between both instrumentation modalities. RESULTS Fifty-three patients, comprising a total of 250 screws (167 robot, 83 instrument tracking) were included. The overall accuracy between both modalities was similar, with 96.4% and 97.6% of screws with acceptable accuracy between instrument tracking and robotic navigation, respectively (I-squared 0.30, df = 1, P = 0.58). Between instrument tracking and robotic navigation, 92.8% and 95.8% of screws received Grade A, 3.6% and 1.8% a Grade B, 1.2% and 1.2% a Grade C, 1.2% and 0.6% a Grade D, and 1.2% and 0.6% a Grade E, respectively. The robot was abandoned intraoperatively in 2 cases due to unrecoverable registration inaccuracy or software failure, leading to abandonment of 8 potential screws (4.8%). CONCLUSIONS In a similar patient population, there is a similarly high degree of instrumentation accuracy between fluoroscopy-based instrument tracking and robotic navigation. There is a rare chance for screw breach with either surgical adjunct.
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Affiliation(s)
- Timothy Y Wang
- Duke University Department of Neurological Surgery, Durham, North Carolina, USA
| | | | - Vikram A Mehta
- Duke University Department of Neurological Surgery, Durham, North Carolina, USA
| | - Eric W Sankey
- Duke University Department of Neurological Surgery, Durham, North Carolina, USA
| | - Isaac O Karikari
- Duke University Department of Neurological Surgery, Durham, North Carolina, USA
| | - C Rory Goodwin
- Duke University Department of Neurological Surgery, Durham, North Carolina, USA
| | - Khoi D Than
- Duke University Department of Neurological Surgery, Durham, North Carolina, USA
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25
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Chan AK, Shaffrey CI, Gottfried ON, Park C, Than KD, Bisson EF, Bydon M, Asher AL, Coric D, Potts EA, Foley KT, Wang MY, Fu KM, Virk MS, Knightly JJ, Meyer S, Park P, Upadhyaya C, Shaffrey ME, Buchholz AL, Tumialán LM, Turner JD, Michalopoulos GD, Sherrod BA, Agarwal N, Chou D, Haid RW, Mummaneni PV. Cervical spondylotic myelopathy with severe axial neck pain: is anterior or posterior approach better? J Neurosurg Spine 2023; 38:42-55. [PMID: 36029264 DOI: 10.3171/2022.6.spine22110] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Accepted: 06/23/2022] [Indexed: 01/04/2023]
Abstract
OBJECTIVE The aim of this study was to determine whether multilevel anterior cervical discectomy and fusion (ACDF) or posterior cervical laminectomy and fusion (PCLF) is superior for patients with cervical spondylotic myelopathy (CSM) and high preoperative neck pain. METHODS This was a retrospective study of prospectively collected data using the Quality Outcomes Database (QOD) CSM module. Patients who received a subaxial fusion of 3 or 4 segments and had a visual analog scale (VAS) neck pain score of 7 or greater at baseline were included. The 3-, 12-, and 24-month outcomes were compared for patients undergoing ACDF with those undergoing PCLF. RESULTS Overall, 1141 patients with CSM were included in the database. Of these, 495 (43.4%) presented with severe neck pain (VAS score > 6). After applying inclusion and exclusion criteria, we compared 65 patients (54.6%) undergoing 3- and 4-level ACDF and 54 patients (45.4%) undergoing 3- and 4-level PCLF. Patients undergoing ACDF had worse Neck Disability Index scores at baseline (52.5 ± 15.9 vs 45.9 ± 16.8, p = 0.03) but similar neck pain (p > 0.05). Otherwise, the groups were well matched for the remaining baseline patient-reported outcomes. The rates of 24-month follow-up for ACDF and PCLF were similar (86.2% and 83.3%, respectively). At the 24-month follow-up, both groups demonstrated mean improvements in all outcomes, including neck pain (p < 0.05). In multivariable analyses, there was no significant difference in the degree of neck pain change, rate of neck pain improvement, rate of pain-free achievement, and rate of reaching minimal clinically important difference (MCID) in neck pain between the two groups (adjusted p > 0.05). However, ACDF was associated with a higher 24-month modified Japanese Orthopaedic Association scale (mJOA) score (β = 1.5 [95% CI 0.5-2.6], adjusted p = 0.01), higher EQ-5D score (β = 0.1 [95% CI 0.01-0.2], adjusted p = 0.04), and higher likelihood for return to baseline activities (OR 1.2 [95% CI 1.1-1.4], adjusted p = 0.002). CONCLUSIONS Severe neck pain is prevalent among patients undergoing surgery for CSM, affecting more than 40% of patients. Both ACDF and PCLF achieved comparable postoperative neck pain improvement 3, 12, and 24 months following 3- or 4-segment surgery for patients with CSM and severe neck pain. However, multilevel ACDF was associated with superior functional status, quality of life, and return to baseline activities at 24 months in multivariable adjusted analyses.
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Affiliation(s)
- Andrew K Chan
- 1Department of Neurosurgery, Duke University, Durham, North Carolina
| | | | - Oren N Gottfried
- 1Department of Neurosurgery, Duke University, Durham, North Carolina
| | - Christine Park
- 1Department of Neurosurgery, Duke University, Durham, North Carolina
| | - Khoi D Than
- 1Department of Neurosurgery, Duke University, Durham, North Carolina
| | - Erica F Bisson
- 2Department of Neurological Surgery, University of Utah, Salt Lake City, Utah
| | - Mohamad Bydon
- 3Department of Neurologic Surgery, Mayo Clinic, Rochester, Minnesota
| | - Anthony L Asher
- 4Neuroscience Institute, Carolinas Healthcare System and Carolina Neurosurgery & Spine Associates, Charlotte, North Carolina
| | - Domagoj Coric
- 4Neuroscience Institute, Carolinas Healthcare System and Carolina Neurosurgery & Spine Associates, Charlotte, North Carolina
| | - Eric A Potts
- 5Goodman Campbell Brain and Spine, Indianapolis, Indiana
| | - Kevin T Foley
- 6Department of Neurosurgery, University of Tennessee, Semmes-Murphey Neurologic and Spine Institute, Memphis, Tennessee
| | - Michael Y Wang
- 7Department of Neurological Surgery, University of Miami, Florida
| | - Kai-Ming Fu
- 8Department of Neurosurgery, Weill Cornell Medical Center, New York, New York
| | - Michael S Virk
- 8Department of Neurosurgery, Weill Cornell Medical Center, New York, New York
| | | | - Scott Meyer
- 9Atlantic Neurosurgical Specialists, Morristown, New Jersey
| | - Paul Park
- 10Department of Neurological Surgery, University of Michigan, Ann Arbor, Michigan
| | - Cheerag Upadhyaya
- 11Marion Bloch Neuroscience Institute, Saint Luke's Health System, Kansas City, Missouri
| | - Mark E Shaffrey
- 12Department of Neurosurgery, University of Virginia, Charlottesville, Virginia
| | - Avery L Buchholz
- 12Department of Neurosurgery, University of Virginia, Charlottesville, Virginia
| | | | - Jay D Turner
- 13Barrow Neurological Institute, Phoenix, Arizona
| | | | - Brandon A Sherrod
- 2Department of Neurological Surgery, University of Utah, Salt Lake City, Utah
| | - Nitin Agarwal
- 14Department of Neurological Surgery, University of California, San Francisco, California; and
| | - Dean Chou
- 14Department of Neurological Surgery, University of California, San Francisco, California; and
| | - Regis W Haid
- 15Atlanta Brain and Spine Care, Atlanta, Georgia
| | - Praveen V Mummaneni
- 14Department of Neurological Surgery, University of California, San Francisco, California; and
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Waguia Kouam R, Tabarestani TQ, Sykes DAW, Gupta N, Futch BG, Kakmou E, Goodwin CR, Foster NA, Than KD, Wiggins WF, Abd-El-Barr MM. How dimensions can guide surgical planning and training: a systematic review of Kambin's triangle. Neurosurg Focus 2023; 54:E6. [PMID: 36587400 DOI: 10.3171/2022.10.focus22606] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Accepted: 10/17/2022] [Indexed: 01/02/2023]
Abstract
OBJECTIVE The authors sought to analyze the current literature to determine dimensional trends across the lumbar levels of Kambin's triangle, clarify the role of imaging techniques for preoperative planning, and understand the effect of inclusion of the superior articular process (SAP). This compiled knowledge of the triangle is needed to perform successful procedures, reduce nerve root injuries, and help guide surgeons in training. METHODS The authors performed a search of multiple databases using combinations of keywords: Kambin's triangle, size, measurement, safe triangle, and bony triangle. Articles were included if their main findings included measurement of Kambin's triangle. The PubMed, Scopus, Ovid, Cochrane, Embase, and Medline databases were systematically searched for English-language articles with no time frame restrictions through July 2022. RESULTS Eight studies comprising 132 patients or cadavers were included in the study. The mean ± SD age was 66.69 ± 9.6 years, and 53% of patients were male. Overall, the size of Kambin's triangle increased in area moving down vertebral levels, with L5-S1 being the largest (133.59 ± 4.36 mm2). This trend followed a linear regression model when SAP was kept (p = 0.008) and removed (p = 0.003). There was also a considerable increase in the size of Kambin's triangle if the SAP was removed. CONCLUSIONS Here, the authors have provided the first reported systematic review of the literature of Kambin's triangle, its measurements at each lumbar level, and key areas of debate related to the definition of the working safe zone. These findings indicate that CT is heavily utilized for imaging of the safe zone, the area of Kambin's triangle tends to increase caudally, and variation exists between patients. Future studies should focus on using advanced imaging techniques for preoperative planning and establishing guidelines for surgeons.
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Affiliation(s)
| | | | | | - Nithin Gupta
- 1Campbell University School of Osteopathic Medicine, Lillington
| | | | - Elisabeth Kakmou
- 3Department of Neurosurgery, Duke University Hospital, Durham, North Carolina
| | - C Rory Goodwin
- 3Department of Neurosurgery, Duke University Hospital, Durham, North Carolina
| | - Norah A Foster
- 4Department of Orthopedic Surgery, Miami Valley Hospital, Centerville, Ohio; and
| | - Khoi D Than
- 3Department of Neurosurgery, Duke University Hospital, Durham, North Carolina
| | - Walter F Wiggins
- 5Department of Radiology, Duke University Hospital, Durham, North Carolina
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Srinivasan ES, Hamouda F, Gnaedinger AG, Wang TY, Chan AK, Shaffrey CI, Erickson MM, Than KD, Abd-El-Barr MM. Instrument Tracking for Prone Lateral Surgery. World Neurosurg 2023; 169:42. [PMID: 36336269 DOI: 10.1016/j.wneu.2022.10.119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Revised: 09/15/2022] [Accepted: 10/29/2022] [Indexed: 11/06/2022]
Abstract
The prone lateral transpsoas approach for lumbar interbody fusion and posterior instrumentation enables a large surface area implant without disruption of the posterior spine musculature from a single position.1,2 The addition of virtual live fluoroscopy instrument tracking navigation to surgery provides multiple benefits, including a reduction in patient and surgeon radiation exposure, highly accurate and dynamic spatial tool localization, and flexible equipment and patient positioning.3,4 Here, we highlight the use of virtual live fluoroscopy in prone lateral spine surgery. A 75-year-old man presented with prior L3-L5 fusion and progressive lower extremity pain and weakness. Using the described techniques, the patient underwent a lateral retroperitoneal interbody fusion and posterior instrumentation at L2-L3. The operation proceeded without complication, and the patient reported improved ambulation at 6-week follow-up. The prone lateral transpsoas approach and minimally invasive posterior instrumentation for lumbar interbody fusion permits effective fusion without significant posterior muscle disruption from a single position. The integration of virtual live fluoroscopy enables real-time instrument tracking throughout the minimally invasive case, with reductions in patient and surgeon radiation exposure. Video 1 depicts the use and benefits of this technology in lateral spine surgery. Compared with computed tomography-guided navigation, virtual live fluoroscopy technology enables rapid remapping to iatrogenic anatomic changes for more fluid progression through the operation.5 Virtual live fluoroscopy instrument tracking is a valuable tool that increases the safety and efficiency of single-position lateral spine surgery.
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Affiliation(s)
| | - Farrah Hamouda
- TrackX Technology, LLC, Chapel Hill, North Carolina, USA
| | | | - Timothy Y Wang
- Department of Neurosurgery, Duke University Medical Center, Durham, North Carolina, USA
| | - Andrew K Chan
- Department of Neurosurgery, Duke University Medical Center, Durham, North Carolina, USA
| | | | - Melissa M Erickson
- Department of Orthopaedic Surgery, Duke University Medical Center, Durham, North Carolina, USA
| | - Khoi D Than
- Department of Neurosurgery, Duke University Medical Center, Durham, North Carolina, USA
| | - Muhammad M Abd-El-Barr
- Department of Neurosurgery, Duke University Medical Center, Durham, North Carolina, USA.
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Yee TJ, Upadhyaya C, Coric D, Potts EA, Bisson EF, Turner J, Knightly JJ, Fu KM, Foley KT, Tumialan L, Shaffrey ME, Bydon M, Mummaneni P, Chou D, Chan A, Meyer S, Asher AL, Shaffrey C, Gottfried ON, Than KD, Wang MY, Buchholz AL, Haid R, Park P. Correlation of the Modified Japanese Orthopedic Association With Functional and Quality-of-Life Outcomes After Surgery for Degenerative Cervical Myelopathy: A Quality Outcomes Database Study. Neurosurgery 2022; 91:952-960. [PMID: 36149088 DOI: 10.1227/neu.0000000000002161] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Accepted: 07/06/2022] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND The modified Japanese Orthopedic Association (mJOA) score is a widely used and validated metric for assessing severity of myelopathy. Its relationship to functional and quality-of-life outcomes after surgery has not been fully described. OBJECTIVE To quantify the association of the mJOA with the Neck Disability Index (NDI) and EuroQol-5 Dimension (EQ-5D) after surgery for degenerative cervical myelopathy. METHODS The cervical module of the prospectively enrolled Quality Outcomes Database was queried retrospectively for adult patients who underwent single-stage degenerative cervical myelopathy surgery. The mJOA score, NDI, and EQ-5D were assessed preoperatively and 3 and 12 months postoperatively. Improvement in mJOA was used as the independent variable in univariate and multivariable linear and logistic regression models. RESULTS Across 14 centers, 1121 patients were identified, mean age 60.6 ± 11.8 years, and 52.5% male. Anterior-only operations were performed in 772 patients (68.9%). By univariate linear regression, improvements in mJOA were associated with improvements in NDI and EQ-5D at 3 and 12 months postoperatively (all P < .0001) and with improvements in the 10 NDI items individually. These findings were similar in multivariable regression incorporating potential confounders. The Pearson correlation coefficients for changes in mJOA with changes in NDI were -0.31 and -0.38 at 3 and 12 months postoperatively. The Pearson correlation coefficients for changes in mJOA with changes in EQ-5D were 0.29 and 0.34 at 3 and 12 months. CONCLUSION Improvements in mJOA correlated weakly with improvements in NDI and EQ-5D, suggesting that changes in mJOA may not be a suitable proxy for functional and quality-of-life outcomes.
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Affiliation(s)
- Timothy J Yee
- Department of Neurosurgery, University of Michigan, Ann Arbor, Michigan, USA
| | - Cheerag Upadhyaya
- Saint Luke's Neurological and Spine Surgery, Kansas City, Missouri, USA
| | - Domagoj Coric
- Carolina Neurosurgery and Spine Associates, Charlotte, North Carolina, USA
| | - Eric A Potts
- Goodman Campbell Brain and Spine, Carmel, Indiana, USA
| | - Erica F Bisson
- Department of Neurosurgery, University of Utah, Salt Lake City, Utah, USA
| | - Jay Turner
- Barrow Neurological Institute, Phoenix, Arizona, USA
| | - Jack J Knightly
- Altair Health Spine and Wellness, Morristown, New Jersey, USA
| | - Kai-Ming Fu
- Department of Neurological Surgery, Weill Cornell Medicine, New York, New York, USA
| | - Kevin T Foley
- Department of Neurosurgery, University of Tennessee, Memphis, Tennessee, USA
| | - Luis Tumialan
- Barrow Neurological Institute, Phoenix, Arizona, USA
| | - Mark E Shaffrey
- Department of Neurosurgery, University of Virginia, Charlottesville, Virginia, USA
| | - Mohamad Bydon
- Department of Neurosurgery, Mayo Clinic, Rochester, Minnesota, USA
| | - Praveen Mummaneni
- Department of Neurological Surgery, University of California San Francisco, San Francisco, California, USA
| | - Dean Chou
- Department of Neurological Surgery, University of California San Francisco, San Francisco, California, USA
| | - Andrew Chan
- Department of Neurological Surgery, University of California San Francisco, San Francisco, California, USA
| | - Scott Meyer
- Altair Health Spine and Wellness, Morristown, New Jersey, USA
| | - Anthony L Asher
- Carolina Neurosurgery and Spine Associates, Charlotte, North Carolina, USA
| | - Christopher Shaffrey
- Department of Neurological Surgery, Duke University, Raleigh, North Carolina, USA
| | - Oren N Gottfried
- Department of Neurological Surgery, Duke University, Raleigh, North Carolina, USA
| | - Khoi D Than
- Department of Neurological Surgery, Duke University, Raleigh, North Carolina, USA
| | - Michael Y Wang
- Department of Neurological Surgery, University of Miami Miller School of Medicine, Miami, Florida, USA
| | - Avery L Buchholz
- Department of Neurosurgery, University of Virginia, Charlottesville, Virginia, USA
| | - Regis Haid
- Atlanta Brain and Spine, Atlanta, Georgia, USA
| | - Paul Park
- Department of Neurosurgery, University of Michigan, Ann Arbor, Michigan, USA
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Bergin S, Than KD. Advances in the Treatment of Spinal Metastasis: Commentary on "Spinal Metastases and the Evolving Role of Molecular Targeted Therapy, Chemotherapy, and Immunotherapy". Neurospine 2022; 19:994-995. [PMID: 36597636 PMCID: PMC9816590 DOI: 10.14245/ns.2245044.522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Affiliation(s)
- Stephen Bergin
- Department of Neurosurgery, Division of Spine, Duke University, Durham, NC, USA
| | - Khoi D. Than
- Department of Neurosurgery, Division of Spine, Duke University, Durham, NC, USA,Corresponding Author Khoi Than Department of Neurosurgery, Division of Spine, Duke University, 3480 Wake Forest Rd Suite 310, Raleigh, NC 27609, USA
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Srinivasan ES, Than KD. Commentary: Minimally Invasive Retropleural Thoracic Diskectomy: Step-by-Step Operative Planning, Execution, and Results. Oper Neurosurg (Hagerstown) 2022; 23:e230-e231. [PMID: 36103314 DOI: 10.1227/ons.0000000000000384] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2022] [Accepted: 06/16/2022] [Indexed: 02/04/2023] Open
Affiliation(s)
- Ethan S Srinivasan
- Department of Neurosurgery, Duke University Medical Center, Durham, North Carolina, USA
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Srinivasan ES, Than KD. Commentary: Sacral Pedicle Subtraction Osteotomy for Treatment of High-Grade Spondylolisthesis: A Technical Note and Review of the Literature. Oper Neurosurg (Hagerstown) 2022; 23:e91-e92. [PMID: 35838457 DOI: 10.1227/ons.0000000000000283] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Accepted: 04/07/2022] [Indexed: 01/17/2023] Open
Affiliation(s)
- Ethan S Srinivasan
- Department of Neurosurgery, Duke University Medical Center, Durham, North Carolina, USA
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Tabarestani TQ, Sykes D, Murphy KR, Wang TY, Shaffrey CI, Goodwin CR, Horne P, Than KD, Abd-El-Barr MM. Beyond Placement of Pedicle Screws - New Applications for Robotics in Spine Surgery: A Multi-Surgeon, Single-Institution Experience. Front Surg 2022; 9:889906. [PMID: 35784931 PMCID: PMC9243459 DOI: 10.3389/fsurg.2022.889906] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Accepted: 06/01/2022] [Indexed: 11/13/2022] Open
Abstract
Interest in robotic-assisted spine surgery has grown as surgeon comfort and technology has evolved to maximize benefits of time saving and precision. However, the Food and Drug Administration (FDA) has currently only approved robotics to assist in determining the ideal trajectory for pedicle screw placement after extensive research supporting its efficacy and efficiency. To be considered a durable and effective option, robotics need to expand beyond the indication of just placing pedicle screws. This article aims to illustrate a multi-surgeon, single-institution experience with unique applications of robotic technologies in spine surgery. We will explore accessing Kambin's Triangle in percutaneous transforaminal interbody fusion (percLIF), iliac fixation in metastatic cancer, and sacroiliac (SI) fusions. Each of these topics will be covered in depth with associated background information and subsequent discussion. We show that with proper understanding of its limitations, robots can help surgeons perform difficult surgeries in a safe manner.
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Affiliation(s)
- Troy Q Tabarestani
- Duke University School of Medicine, Duke University Hospital, Durham, Durham, NC
| | - David Sykes
- Duke University School of Medicine, Duke University Hospital, Durham, Durham, NC
| | - Kelly R Murphy
- Department of Neurosurgery, Duke University Hospital, Durham, Durham, NC
| | - Timothy Y Wang
- Department of Neurosurgery, Duke University Hospital, Durham, Durham, NC
| | | | - C Rory Goodwin
- Department of Neurosurgery, Duke University Hospital, Durham, Durham, NC
| | - Phillip Horne
- Department of Orthopedic Surgery, Duke University Hospital, Durham, Durham, NC
| | - Khoi D Than
- Department of Neurosurgery, Duke University Hospital, Durham, Durham, NC
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Wang TY, Bergin SM, Murphy KR, Abd-El-Barr MM, Grossi P, Shaffrey CI, Crutcher C, Than KD. Sacroiliac Joint Fusion Using Robotic Navigation: Technical Note and Case Series. Oper Neurosurg (Hagerstown) 2022; 23:1-7. [PMID: 35726923 DOI: 10.1227/ons.0000000000000179] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Accepted: 01/03/2022] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Patients undergoing sacroiliac (SI) fusion can oftentimes experience significant improvements in pain and quality of life. OBJECTIVE To describe a novel application of robotic navigation to assist with minimally invasive SI joint fusion. METHODS Patients undergoing stand-alone SI joint fusion with ExcelsiusGPS robotic navigation from July 2020 through June 2021 were retrospectively enrolled. Baseline demographic and perioperative variables including radiation exposure, postoperative pain scores, and narcotic requirements in the postanesthesia care unit (PACU) were recorded. Length of stay and any postoperative complications were also noted. RESULTS A total of 10 patients (64.4 ± 8.2 years, body mass index 28.7 ± 4.8 kg/m2) met inclusion criteria. Seven patients (70.0%) were female, and there was a 6:4 split between left-sided and right-sided SI joint fusion. The total operative time was 54 ± 9 minutes, and the estimated blood loss was 21.0 ± 16.7 mL. The intraoperative radiation exposure was 13.7 ± 6.2 mGy, and there were no complications. The average pain score in PACU was 5.2 ± 1.0, and the average opioid administration in PACU was 27.6 ± 10.3 morphine equivalents. Length of stay was 0.4 ± 0.7 days, with 7 of 10 patients discharged on the same day as surgery. There were no readmissions. The average length of follow-up was 4.3 ± 2.5 months. At the last follow-up, patients reported an average of 73.1% ± 30.1% improvement in their preoperative pain. CONCLUSION Robot-navigated SI joint fusion is a feasible and reproducible method for addressing refractory SI joint disease. Further investigation on clinical outcomes and long-term fusion rates is needed, as are studies comparing robot-navigated SI joint fusion with more traditional techniques.
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Affiliation(s)
- Timothy Y Wang
- Department of Neurological Surgery, Division of Spine, Duke University, Durham, North Carolina, USA
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Shlobin NA, Radwanski RE, Kortz MW, Rasouli JJ, Gibbs WN, Than KD, Baaj AA, Shin JH, Dahdaleh NS. Utility of Virtual Spine Neurosurgery Education for Medical Students. World Neurosurg 2022; 163:179-186. [PMID: 35729819 DOI: 10.1016/j.wneu.2021.07.135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Revised: 07/27/2021] [Accepted: 07/28/2021] [Indexed: 11/25/2022]
Abstract
OBJECTIVE Distance learning has become increasingly important to expand access to neurosurgical spine education. However, emerging online spine education initiatives have largely focused on residents, fellows, and surgeons in practice. We aimed to assess the utility of online neurosurgical spine education for medical students regarding career interests, knowledge, and technical skills. METHODS A survey assessing the demographics and effects of virtual spine education programming on the interests, knowledge, and technical skills was sent to attendees of several virtual spine lectures. The ratings were quantified using 7-point Likert scales. RESULTS A total of 36 responses were obtained, of which 15 (41.7%) were from first- or second-year medical students and 18 (50.0%) were from international students. Most respondents were interested in neurosurgery (n = 30; 80.3%), with smaller numbers interested in radiology (n = 3; 8.3%) and orthopedic surgery (n = 2; 5.6%). The rating of utility ranged from 5.69 ± 1.14 to 6.50 ± 0.81 for career, 5.83 ± 0.94 to 6.14 ± 0.80 for knowledge, and 5.22 ± 1.31 to 5.83 ± 1.06 for clinical skills. Of the 36 respondents, 26 (72.2%) preferred virtual neurosurgical spine education via intermixed lectures and interactive sessions. The most common themes regarding the utility of virtual spine education were radiology by 18 (50.0%), anatomy by 12 (33.3%), and case-based teaching by 8 (22.2%) respondents. CONCLUSIONS Virtual distance learning for neurosurgical spine education is beneficial for students by enabling career exploration and learning content and clinical skills. Although the overall benefit was lowest for clinical skills, virtual programming could serve as an adjunct to traditional in-person exposure. Distance learning could also provide an avenue to reduce disparities in medical student neurosurgical spine education locally and globally.
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Affiliation(s)
- Nathan A Shlobin
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA; Medical Student Neurosurgery Training Center, Brain and Spine Group, Inc., Pasadena, California, USA.
| | - Ryan E Radwanski
- Medical Student Neurosurgery Training Center, Brain and Spine Group, Inc., Pasadena, California, USA; Department of Neurological Surgery, Weill Cornell Medicine, New York, New York, USA
| | - Michael W Kortz
- Medical Student Neurosurgery Training Center, Brain and Spine Group, Inc., Pasadena, California, USA; Department of Neurosurgery, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | | | - Wende N Gibbs
- Department of Radiology, Mayo Clinic Arizona, Phoenix, Arizona, USA
| | - Khoi D Than
- Department of Neurosurgery, Duke University Hospital, Durham, North Carolina, USA
| | - Ali A Baaj
- Department of Neurological Surgery, University of Arizona, Banner University Medical Center, Phoenix, Arizona, USA
| | - John H Shin
- Department of Neurosurgery, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Nader S Dahdaleh
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA; Medical Student Neurosurgery Training Center, Brain and Spine Group, Inc., Pasadena, California, USA
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Srinivasan ES, Wang TY, Rapoport A, Erickson MM, Abd-El-Barr MM, Shaffrey CI, Than KD. Minimally invasive lateral retroperitoneal transpsoas approach for lumbar corpectomy and fusion with posterior instrumentation. Neurosurgical Focus: Video 2022; 7:V7. [PMID: 36284723 PMCID: PMC9557348 DOI: 10.3171/2022.3.focvid2210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Accepted: 03/29/2022] [Indexed: 11/23/2022]
Abstract
In this video, the authors highlight the operative treatment of a 55-year-old man with chronic osteomyelitis discitis. The operation entailed a minimally invasive lateral retroperitoneal transpsoas approach for L3 and L4 corpectomies, L2–5 interbody fusion, and L2–5 minimally invasive posterior instrumentation. The operation proceeded in two stages, beginning in the lateral position with corpectomy of the L3 and L4 vertebral bodies and placement of a corpectomy cage. After closure of this access wound, the patient was turned to a prone position for the posterior element of the operation. Posterior instrumentation was placed with pedicle screws at L2 and L5. The video can be found here: https://stream.cadmore.media/r10.3171/2022.3.FOCVID2210
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Affiliation(s)
| | - Timothy Y. Wang
- Department of Neurosurgery, Duke University Medical Center; and
| | - Anna Rapoport
- Department of Neurosurgery, Duke University Medical Center; and
| | - Melissa M. Erickson
- Department of Orthopaedic Surgery, Duke University Medical Center, Durham, North Carolina
| | | | | | - Khoi D. Than
- Department of Neurosurgery, Duke University Medical Center; and
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Berlin C, Marino AC, Mummaneni PV, Uribe J, Tumialán LM, Turner J, Wang MY, Park P, Bisson EF, Shaffrey M, Gottfried O, Than KD, Fu KM, Foley K, Chan AK, Bydon M, Alvi MA, Upadhyaya C, Coric D, Asher A, Potts EA, Knightly J, Meyer S, Buchholz A. Determining the time frame of maximum clinical improvement in surgical decompression for cervical spondylotic myelopathy when stratified by preoperative myelopathy severity: a cervical Quality Outcomes Database study. J Neurosurg Spine 2022; 37:1-9. [PMID: 35901760 DOI: 10.3171/2022.5.spine211425] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Accepted: 05/05/2022] [Indexed: 11/06/2022]
Abstract
OBJECTIVE While surgical decompression is an important treatment modality for cervical spondylotic myelopathy (CSM), it remains unclear if the severity of preoperative myelopathy status affects potential benefit from surgical intervention and when maximum postoperative improvement is expected. This investigation sought to determine if retrospective analysis of prospectively collected patient-reported outcomes (PROs) following surgery for CSM differed when stratified by preoperative myelopathy status. Secondary objectives included assessment of the minimal clinically important difference (MCID). METHODS A total of 1151 patients with CSM were prospectively enrolled from the Quality Outcomes Database at 14 US hospitals. Baseline demographics and PROs at baseline and 3 and 12 months were measured. These included the modified Japanese Orthopaedic Association (mJOA) score, Neck Disability Index (NDI), quality-adjusted life-years (QALYs) from the EQ-5D, and visual analog scale from the EQ-5D (EQ-VAS). Patients were stratified by preoperative myelopathy severity using criteria established by the AO Spine study group: mild (mJOA score 15-17), moderate (mJOA score 12-14), or severe (mJOA score < 12). Univariate analysis was used to identify demographic variables that significantly varied between myelopathy groups. Then, multivariate linear regression and linear mixed regression were used to model the effect of severity and time on PROs, respectively. RESULTS For NDI, EQ-VAS, and QALY, patients in all myelopathy cohorts achieved significant, maximal improvement at 3 months without further improvement at 12 months. For mJOA, moderate and severe myelopathy groups demonstrated significant, maximal improvement at 3 months, without further improvement at 12 months. The mild myelopathy group did not demonstrate significant change in mJOA score but did maintain and achieve higher PRO scores overall when compared with more advanced myelopathy cohorts. The MCID threshold was reached in all myelopathy cohorts at 3 months for mJOA, NDI, EQ-VAS, and QALY, with the only exception being mild myelopathy QALY at 3 months. CONCLUSIONS As assessed by statistical regression and MCID analysis, patients with cervical myelopathy experience maximal improvement in their quality of life, neck disability, myelopathy score, and overall health by 3 months after surgical decompression, regardless of their baseline myelopathy severity. An exception was seen for the mJOA score in the mild myelopathy cohort, improvement of which may have been limited by ceiling effect. The data presented here will aid surgeons in patient selection, preoperative counseling, and expected postoperative time courses.
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Affiliation(s)
- Connor Berlin
- 1Department of Neurosurgery, University of Virginia, Charlottesville, Virginia
| | - Alexandria C Marino
- 1Department of Neurosurgery, University of Virginia, Charlottesville, Virginia
| | - Praveen V Mummaneni
- 2Department of Neurological Surgery, University of California, San Francisco, California
| | - Juan Uribe
- 3Department of Neurosurgery, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, Arizona
| | - Luis M Tumialán
- 3Department of Neurosurgery, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, Arizona
| | - Jay Turner
- 3Department of Neurosurgery, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, Arizona
| | - Michael Y Wang
- 4Department of Neurological Surgery, University of Miami, Miami, Florida
| | - Paul Park
- 5Department of Neurological Surgery, University of Michigan, Ann Arbor, Michigan
| | - Erica F Bisson
- 6Department of Neurosurgery, University of Utah, Salt Lake City, Utah
| | - Mark Shaffrey
- 1Department of Neurosurgery, University of Virginia, Charlottesville, Virginia
| | - Oren Gottfried
- 7Department of Neurosurgery, Division of Spine, Duke University Medical Center, Durham, North Carolina
| | - Khoi D Than
- 7Department of Neurosurgery, Division of Spine, Duke University Medical Center, Durham, North Carolina
| | - Kai-Ming Fu
- 8Department of Neurological Surgery, Weill Cornell Medicine, New York City, New York
| | - Kevin Foley
- 9Department of Neurosurgery, University of Tennessee, Memphis, Tennessee
| | - Andrew K Chan
- 2Department of Neurological Surgery, University of California, San Francisco, California
| | - Mohamad Bydon
- 10Department of Neurosurgery, Mayo Clinic Neuro-Informatics Lab, Mayo Clinic, Rochester, Minnesota
| | - Mohammed Ali Alvi
- 10Department of Neurosurgery, Mayo Clinic Neuro-Informatics Lab, Mayo Clinic, Rochester, Minnesota
| | - Cheerag Upadhyaya
- 11Marion Bloch Neuroscience Institute's Spine Program, Saint Luke Health System, Kansas City, Missouri
| | - Domagoj Coric
- 12Carolina Neurosurgery & Spine Associates, Carolinas Medical Center, Charlotte, North Carolina
| | - Anthony Asher
- 12Carolina Neurosurgery & Spine Associates, Carolinas Medical Center, Charlotte, North Carolina
| | - Eric A Potts
- 13Goodman Campbell Brain and Spine, Indianapolis, Indiana; and
| | - John Knightly
- 14Atlantic Neurosurgical Specialists, Altair Health Spine & Wellness Center, Morristown, New Jersey
| | - Scott Meyer
- 14Atlantic Neurosurgical Specialists, Altair Health Spine & Wellness Center, Morristown, New Jersey
| | - Avery Buchholz
- 1Department of Neurosurgery, University of Virginia, Charlottesville, Virginia
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Srinivasan ES, Erickson MM, Shaffrey CI, Than KD. Dr. Ruth Jackson: the legacy of the first female spine surgeon. J Neurosurg Spine 2022; 37:1-5. [PMID: 35561690 DOI: 10.3171/2022.4.spine22373] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Accepted: 04/01/2022] [Indexed: 11/06/2022]
Abstract
Dr. Ruth Jackson, born in 1902, was the first female spine surgeon on record. Her story of remarkable resilience and sacrifice is even more relevant given the stark gender disparities in orthopedic surgery and neurosurgery that remain today. Dr. Jackson entered the field during the Great Depression and overcame significant barriers at each step along the process. In 1937, she became the first woman to pass the American Board of Orthopedic Surgery examination and join the American Academy of Orthopedic Surgeons as a full member. Her work in the cervical spine led to a notable lecture record and the publication of several articles, as well as a book, The Cervical Syndrome, in which she discussed the anatomy, etiology, and treatment of cervical pathologies. Additionally, Dr. Jackson developed the Jackson CerviPillo, a neck support that is still in use today. She left a legacy that continues to resonate through the work of the Ruth Jackson Orthopedic Society, which supports women at all levels of practice and training. From the story of Dr. Jackson's life, we can appreciate her single-minded determination that blazed a path for women in spine surgery, as well as consider the progress that remains to be made.
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Affiliation(s)
| | - Melissa M Erickson
- 1Duke University School of Medicine, Durham; and
- 2Division of Spine, Department of Orthopaedic Surgery, Duke University Medical Center, Durham, North Carolina
| | - Christopher I Shaffrey
- 1Duke University School of Medicine, Durham; and
- 2Division of Spine, Department of Orthopaedic Surgery, Duke University Medical Center, Durham, North Carolina
| | - Khoi D Than
- 1Duke University School of Medicine, Durham; and
- 2Division of Spine, Department of Orthopaedic Surgery, Duke University Medical Center, Durham, North Carolina
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Srinivasan ES, Than KD. Commentary: Machine Learning Applications of Surgical Imaging for the Diagnosis and Treatment of Spine Disorders: Current State of the Art. Neurosurgery 2022; 90:e123-e124. [PMID: 35244029 DOI: 10.1227/neu.0000000000001901] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Accepted: 12/16/2021] [Indexed: 11/19/2022] Open
Affiliation(s)
- Ethan S Srinivasan
- Department of Neurosurgery, Duke University Medical Center, Durham, North Carolina, USA
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Mundis GM, Godzik J, Park P, Fu KM, Tran S, Uribe JS, Wang MY, Than KD, Okonkwo DO, Kanter AS, Nunley PD, Anand N, Fessler RG, Chou D, Lafage R, Eastlack RK, _ _. Prospective multicenter study of minimally invasive surgery for the treatment of adult spinal deformity. J Neurosurg Spine 2022. [DOI: 10.3171/2021.8.spine21369] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
OBJECTIVE
Traditional surgery for adult spinal deformity (ASD) is effective but may result in exposure-related morbidity. Minimally invasive surgery (MIS) can potentially minimize this morbidity; however, high-level evidence is lacking. This study presents the first prospective multicenter investigation of MIS approaches for ASD.
METHODS
A prospective multicenter study was conducted. Inclusion criteria were age ≥ 18 years, with at least one of the following radiographic criteria: coronal Cobb (CC) angle ≥ 20°, sagittal vertical axis (SVA) > 5 cm, pelvic tilt (PT) > 25°, and thoracic kyphosis > 60°. Additional inclusion criteria were circumferential MIS, including interbody fusion (transforaminal lumbar interbody fusion [TLIF], lateral lumbar interbody fusion [LLIF], or anterior lumbar interbody fusion [ALIF]) with percutaneous posterior fixation on a minimum of 4 intervertebral levels. Radiographic and clinical outcomes (visual analog scale [VAS], Oswestry Disability Index [ODI], and Scoliosis Research Society–22 [SRS-22]) were collected preoperatively and at 12 months postoperatively; preoperative and postoperative values were compared using paired Student t-tests.
RESULTS
Seventy-five patients with a minimum 1-year follow-up were identified (75 of 111; 67.6%). The mean ± SD age was 68.8 ± 9.0 years, and 48 patients (64%) were female. Patients underwent a mean of 6.7 ± 2.9 levels of fusion with LLIF (85%), ALIF (55%), and TLIF (9%); the mean estimated blood loss was 547.6 ± 567.2 mL, and the mean length of stay was 7.0 ± 3.7 days. Significant improvements were observed in ODI (−19 ± 12.9, p < 0.001), SRS-22 (0.8 ± 0.66, p < 0.001), VAS back (−4.3 ± 2.8, p < 0.001), and VAS leg (−3.0 ± 3.2, p < 0.001) scores. Significant decreases in SVA (−26.4 ± 53.6 mm; p < 0.001), pelvic incidence–lumbar lordosis (−11.3° ± 14.9°, p < 0.001), and CC angle (−12.1° ± 11.8°, p < 0.001) were also observed. Complications occurred in 39 patients (52%); 11 patients (15%) experienced major complications, and 16 patients (21%) required reoperation.
CONCLUSIONS
MIS approaches for ASD resulted in meaningful symptomatic improvement. The complication rates were similar to historic norms, with a fairly high reoperation rate at 1 year. Longer follow-up will be necessary to evaluate the durability of this approach in the treatment of ASD.
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Affiliation(s)
| | - Jakub Godzik
- Department of Neurosurgery, Barrow Neurological Institute, St. Joseph’s Hospital and Medical Center, Phoenix, Arizona
| | - Paul Park
- Department of Neurosurgery, University of Michigan, Ann Arbor, Michigan
| | - Kai-Ming Fu
- Department of Neurosurgery, Weill Cornell Medical College, New York, New York
| | - Stacie Tran
- San Diego Spine Foundation, Scripps Clinic, La Jolla, California
| | - Juan S. Uribe
- Department of Neurosurgery, Barrow Neurological Institute, St. Joseph’s Hospital and Medical Center, Phoenix, Arizona
| | - Michael Y. Wang
- Department of Neurosurgery, University of Miami, Coral Gables, Florida
| | - Khoi D. Than
- Department of Neurosurgery, Duke University, Durham, North Carolina
| | - David O. Okonkwo
- Department of Neurosurgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
| | - Adam S. Kanter
- Department of Neurosurgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
| | | | - Neel Anand
- Anand Spine Group, Los Angeles, California
| | - Richard G. Fessler
- Department of Neurosurgery, Rush University Medical Center, Chicago, Illinois
| | - Dean Chou
- Department of Neurosurgery, University of California, San Francisco, California; and
| | - Renaud Lafage
- Department of Orthopedics, Hospital of Special Surgery, New York, New York
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Wang TY, Than KD. Commentary: Safe Electromyography Stimulation Thresholds Within Kambin's Triangle During Endoscopic Transforaminal Lumbar Interbody Fusion. Neurosurgery 2022; 91:e5-e6. [PMID: 35467567 DOI: 10.1227/neu.0000000000002012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Accepted: 03/05/2022] [Indexed: 11/19/2022] Open
Affiliation(s)
- Timothy Y Wang
- Department of Neurological Surgery, Duke University, Durham, North Carolina, USA
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41
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Srinivasan ES, Than KD. Commentary: The Phenotypes of Anxiety and Depression: Analysis of Combined Comorbidity and Treatment in Patients Undergoing Spinal Fusion. Neurosurgery 2022; 91:e3-e4. [PMID: 35383684 DOI: 10.1227/neu.0000000000001978] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Accepted: 02/23/2022] [Indexed: 11/19/2022] Open
Affiliation(s)
- Ethan S Srinivasan
- Department of Neurosurgery, Duke University Medical Center, Durham, North Carolina, USA
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Corley JA, Charalambous LT, Mehta VA, Wang TY, Abdelgadir J, Than KD, Abd-El-Barr MM, Goodwin CR, Shaffrey CI, Karikari IO. Perioperative Pain Management for Elective Spine Surgery: Opioid Use and Multimodal Strategies. World Neurosurg 2022; 162:118-125.e1. [PMID: 35339713 DOI: 10.1016/j.wneu.2022.03.084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Revised: 03/17/2022] [Accepted: 03/18/2022] [Indexed: 10/18/2022]
Abstract
In recent years, physicians and institutions have come to recognize the increasing opioid epidemic in the United States, thus prompting a dramatic shift in opioid prescribing patterns. The lack of well-studied alternative treatment regimens has led to a substantial burden of opioid addiction in the United States. These forces have led to a huge economic burden on the country. The spine surgery population is particularly high risk for uncontrolled perioperative pain, because most patients experience chronic pain preoperatively and many patients continue to experience pain postoperatively. Overall, there is a large incentive to better understand comprehensive multimodal pain management regimens, particularly in the spine surgery patient population. The goal of this review is to explore trends in pain symptoms in spine surgery patients, overview the best practices in pain medications and management, and provide a concise multimodal and behavioral treatment algorithm for pain management, which has since been adopted by a high-volume tertiary academic medical center.
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Affiliation(s)
- Jacquelyn A Corley
- Division of Spine, Department of Neurosurgery, Duke University Medical Center, Durham, North Carolina, USA.
| | | | - Vikram A Mehta
- Division of Spine, Department of Neurosurgery, Duke University Medical Center, Durham, North Carolina, USA
| | - Timothy Y Wang
- Division of Spine, Department of Neurosurgery, Duke University Medical Center, Durham, North Carolina, USA
| | - Jihad Abdelgadir
- Division of Spine, Department of Neurosurgery, Duke University Medical Center, Durham, North Carolina, USA
| | - Khoi D Than
- Division of Spine, Department of Neurosurgery, Duke University Medical Center, Durham, North Carolina, USA
| | - Muhammad M Abd-El-Barr
- Division of Spine, Department of Neurosurgery, Duke University Medical Center, Durham, North Carolina, USA
| | - C Rory Goodwin
- Division of Spine, Department of Neurosurgery, Duke University Medical Center, Durham, North Carolina, USA
| | - Christopher I Shaffrey
- Division of Spine, Department of Neurosurgery, Duke University Medical Center, Durham, North Carolina, USA
| | - Isaac O Karikari
- Division of Spine, Department of Neurosurgery, Duke University Medical Center, Durham, North Carolina, USA
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Cheaney B, Than KD. Commentary: The Results of Interfacetal Fusion Using Local Bone Combined With an Atlantoaxial Instrumentation. Oper Neurosurg (Hagerstown) 2022; 22:e187-e188. [PMID: 35316252 DOI: 10.1227/ons.0000000000000171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Accepted: 12/26/2021] [Indexed: 11/19/2022] Open
Affiliation(s)
- Barry Cheaney
- School of Medicine, Oregon Health & Science University, Portland, Oregon, USA
| | - Khoi D Than
- Department of Neurosurgery, Duke University, Durham, North Carolina, USA
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Croci DM, Sherrod B, Alvi MA, Mummaneni PV, Chan AK, Bydon M, Glassman SD, Foley KT, Potts EA, Shaffrey ME, Coric D, Knightly JJ, Park P, Wang MY, Fu KM, Slotkin JR, Asher AL, Than KD, Gottfried ON, Shaffrey CI, Virk MS, Bisson EF. Differences in postoperative quality of life in young, early elderly, and late elderly patients undergoing surgical treatment for degenerative cervical myelopathy. J Neurosurg Spine 2022; 37:1-11. [PMID: 35276658 DOI: 10.3171/2022.1.spine211157] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Accepted: 01/13/2022] [Indexed: 11/06/2022]
Abstract
OBJECTIVE Cervical spondylotic myelopathy (CSM) is a common progressive spine disorder affecting predominantly middle-aged and elderly populations. With increasing life expectancy, the incidence of CSM is expected to rise further. The outcomes of elderly patients undergoing CSM surgery and especially their quality of life (QOL) postoperatively remain undetermined. This study retrospectively reviewed patients to identify baseline differences and validated postoperative patient-reported outcome (PRO) measures in elderly patients undergoing CSM surgery. METHODS The multi-institutional, neurosurgery-specific NeuroPoint Quality Outcomes Database was queried to identify CSM patients treated surgically at the 14 highest-volume sites from January 2016 to December 2018. Patients were divided into three groups: young (< 65 years), early elderly (65-74 years), and late elderly (≥ 75 years). Demographic and PRO measures (Neck Disability Index [NDI] score, modified Japanese Orthopaedic Association [mJOA] score, EQ-5D score, EQ-5D visual analog scale [VAS] score, arm pain VAS, and neck pain VAS) were compared among the groups at baseline and 3 and 12 months postoperatively. RESULTS A total of 1151 patients were identified: 691 patients (60%) in the young, 331 patients (28.7%) in the early elderly, and 129 patients (11.2%) in the late elderly groups. At baseline, younger patients presented with worse NDI scores (p < 0.001) and lower EQ-5D VAS (p = 0.004) and EQ-5D (p < 0.001) scores compared with early and late elderly patients. No differences among age groups were found in the mJOA score. An improvement of all QOL scores was noted in all age groups. On unadjusted analysis at 3 months, younger patients had greater improvement in arm pain VAS, NDI, and EQ-5D VAS compared with early and late elderly patients. At 12 months, the same changes were seen, but on adjusted analysis, there were no differences in PROs between the age groups. CONCLUSIONS The authors' results indicate that elderly patients undergoing CSM surgery achieved QOL outcomes that were equivalent to those of younger patients at the 12-month follow-up.
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Affiliation(s)
- Davide M Croci
- 1Department of Neurological Surgery, Clinical Neurosciences Center, University of Utah, Salt Lake City, Utah
| | - Brandon Sherrod
- 1Department of Neurological Surgery, Clinical Neurosciences Center, University of Utah, Salt Lake City, Utah
| | | | - Praveen V Mummaneni
- 3Department of Neurosurgery, University of California, San Francisco, California
| | - Andrew K Chan
- 3Department of Neurosurgery, University of California, San Francisco, California
| | - Mohamad Bydon
- 2Department of Neurosurgery, Mayo Clinic, Rochester, Minnesota
| | | | - Kevin T Foley
- 5Department of Neurosurgery, University of Tennessee, Memphis, Tennessee
| | - Eric A Potts
- 6Department of Neurosurgery, Indiana University; Goodman Campbell Brain and Spine, Indianapolis, Indiana
| | - Mark E Shaffrey
- 7Department of Neurosurgery, University of Virginia Health System, Charlottesville, Virginia
| | - Domagoj Coric
- 8Department of Neurosurgery, Carolina Neurosurgery and Spine Associates and Neuroscience Institute, Carolinas HealthCare System, Charlotte, North Carolina
| | | | - Paul Park
- 10Department of Neurosurgery, University of Michigan, Ann Arbor, Michigan
| | - Michael Y Wang
- 11Department of Neurosurgery, University of Miami, Miami, Florida
| | - Kai-Ming Fu
- 12Department of Neurosurgery, Weill Cornell Medical College, New York, New York
| | | | - Anthony L Asher
- 8Department of Neurosurgery, Carolina Neurosurgery and Spine Associates and Neuroscience Institute, Carolinas HealthCare System, Charlotte, North Carolina
| | - Khoi D Than
- 14Department of Neurosurgery, Duke University, Durham, North Carolina
| | - Oren N Gottfried
- 14Department of Neurosurgery, Duke University, Durham, North Carolina
| | | | - Michael S Virk
- 12Department of Neurosurgery, Weill Cornell Medical College, New York, New York
| | - Erica F Bisson
- 1Department of Neurological Surgery, Clinical Neurosciences Center, University of Utah, Salt Lake City, Utah
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Wang TY, Bergin SM, Park C, Rajkumar S, Goodwin CR, Karikari IO, Abd-El-Barr M, Shaffrey CI, Yarbrough C, Than KD. 311 Multi-institutional Analysis on Rate of Pseudarthrosis Following Anterior Cervical Discectomy and Fusion Using Allograft Cellular Bone Matrix (Osteocel). Neurosurgery 2022. [DOI: 10.1227/neu.0000000000001880_311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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Passias PG, Passfall L, Lafage V, Lafage R, Line BG, Vira S, Tretiakov PS, Gum JL, Kebaish K, Than KD, Mundis GM, Hostin RA, Gupta MC, Eastlack R, Anand N, Ames CP, Hart RA, Burton DC, Schwab F, Shaffrey CI, Smith JS, Klineberg E, Bess S. 440 Have We Made Temporal Advancements in Optimizing Surgical Outcomes and Recovery for High Risk Spinal Deformity Patients? Neurosurgery 2022. [DOI: 10.1227/neu.0000000000001880_440] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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Yee TJ, Upadhyaya CD, Coric D, Potts EA, Bisson EF, Turner JD, Knightly JJ, Fu KMG, Foley KT, Tumialan LM, Shaffrey ME, Bydon M, Mummaneni PV, Chan AK, Meyer SA, Asher AL, Shaffrey CI, Gottfried ON, Than KD, Wang MY, Buchholz AL, Park P. 456 Assessing the Efficacy of the mJOA in Myelopathic Patients: A Cervical QOD Study. Neurosurgery 2022. [DOI: 10.1227/neu.0000000000001880_456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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48
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Than KD, Mehta VA, Le V, Moss JR, Park P, Uribe JS, Eastlack RK, Chou D, Fu KM, Wang MY, Anand N, Passias PG, Shaffrey CI, Okonkwo DO, Kanter AS, Nunley P, Mundis GM, Fessler RG, Mummaneni PV. Role of obesity in less radiographic correction and worse health-related quality-of-life outcomes following minimally invasive deformity surgery. J Neurosurg Spine 2022; 37:1-10. [PMID: 35180705 DOI: 10.3171/2021.12.spine21703] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Accepted: 12/09/2021] [Indexed: 11/06/2022]
Abstract
OBJECTIVE Minimally invasive surgery (MIS) for adult spinal deformity (ASD) can offer deformity correction with less tissue manipulation and damage. However, the impact of obesity on clinical outcomes and radiographic correction following MIS for ASD is poorly understood. The goal of this study was to determine the role, if any, that obesity has on radiographic correction and health-related quality-of-life measures in MIS for ASD. METHODS Data were collected from a multicenter database of MIS for ASD. This was a retrospective review of a prospectively collected database. Patient inclusion criteria were age ≥ 18 years and coronal Cobb angle ≥ 20°, pelvic incidence-lumbar lordosis mismatch ≥ 10°, or sagittal vertical axis (SVA) > 5 cm. A group of patients with body mass index (BMI) < 30 kg/m2 was the control cohort; BMI ≥ 30 kg/m2 was used to define obesity. Obesity cohorts were categorized into BMI 30-34.99 and BMI ≥ 35. All patients had at least 1 year of follow-up. Preoperative and postoperative health-related quality-of-life measures and radiographic parameters, as well as complications, were compared via statistical analysis. RESULTS A total of 106 patients were available for analysis (69 control, 17 in the BMI 30-34.99 group, and 20 in the BMI ≥ 35 group). The average BMI was 25.24 kg/m2 for the control group versus 32.46 kg/m2 (p < 0.001) and 39.5 kg/m2 (p < 0.001) for the obese groups. Preoperatively, the BMI 30-34.99 group had significantly more prior spine surgery (70.6% vs 42%, p = 0.04) and worse preoperative numeric rating scale leg scores (7.71 vs 5.08, p = 0.001). Postoperatively, the BMI 30-34.99 cohort had worse Oswestry Disability Index scores (33.86 vs 23.55, p = 0.028), greater improvement in numeric rating scale leg scores (-4.88 vs -2.71, p = 0.012), and worse SVA (51.34 vs 26.98, p = 0.042) at 1 year postoperatively. Preoperatively, the BMI ≥ 35 cohort had significantly worse frailty (4.5 vs 3.27, p = 0.001), Oswestry Disability Index scores (52.9 vs 44.83, p = 0.017), and T1 pelvic angle (26.82 vs 20.71, p = 0.038). Postoperatively, after controlling for differences in frailty, the BMI ≥ 35 cohort had significantly less improvement in their Scoliosis Research Society-22 outcomes questionnaire scores (0.603 vs 1.05, p = 0.025), higher SVA (64.71 vs 25.33, p = 0.015) and T1 pelvic angle (22.76 vs 15.48, p = 0.029), and less change in maximum Cobb angle (-3.93 vs -10.71, p = 0.034) at 1 year. The BMI 30-34.99 cohort had significantly more infections (11.8% vs 0%, p = 0.004). The BMI ≥ 35 cohort had significantly more implant complications (30% vs 11.8%, p = 0.014) and revision surgery within 90 days (5% vs 1.4%, p = 0.034). CONCLUSIONS Obese patients who undergo MIS for ASD have less correction of their deformity, worse quality-of-life outcomes, more implant complications and infections, and an increased rate of revision surgery compared with their nonobese counterparts, although both groups benefit from surgery. Appropriate counseling should be provided to obese patients.
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Affiliation(s)
- Khoi D Than
- 1Departments of Neurosurgery and Orthopedics, Division of Spine, Duke University Medical Center, Durham, North Carolina
| | - Vikram A Mehta
- 1Departments of Neurosurgery and Orthopedics, Division of Spine, Duke University Medical Center, Durham, North Carolina
| | - Vivian Le
- 2Department of Neurosurgery, University of California, San Francisco, California
| | - Jonah R Moss
- 12Department of Neurological Surgery, Rush University Medical Center, Chicago, Illinois
| | - Paul Park
- 3Department of Neurosurgery, University of Michigan, Ann Arbor, Michigan
| | - Juan S Uribe
- 4Barrow Neurological Institute, Phoenix, Arizona
| | - Robert K Eastlack
- 5Department of Orthopedic Surgery, Scripps Clinic, La Jolla, California
| | - Dean Chou
- 2Department of Neurosurgery, University of California, San Francisco, California
| | - Kai-Ming Fu
- 6Department of Neurosurgery, Cornell Medical Center, New York, New York
| | - Michael Y Wang
- 7Department of Neurosurgery, University of Miami, Florida
| | - Neel Anand
- 8Department of Orthopaedics, Cedars-Sinai Medical Center, Los Angeles, California
| | - Peter G Passias
- 9Department of Orthopedics, New York University Langone Health, New York, New York
| | - Christopher I Shaffrey
- 1Departments of Neurosurgery and Orthopedics, Division of Spine, Duke University Medical Center, Durham, North Carolina
| | - David O Okonkwo
- 10Department of Neurosurgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
| | - Adam S Kanter
- 10Department of Neurosurgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
| | - Pierce Nunley
- 11Spine Institute of Louisiana, Shreveport, Louisiana; and
| | - Gregory M Mundis
- 5Department of Orthopedic Surgery, Scripps Clinic, La Jolla, California
| | - Richard G Fessler
- 12Department of Neurological Surgery, Rush University Medical Center, Chicago, Illinois
| | - Praveen V Mummaneni
- 2Department of Neurosurgery, University of California, San Francisco, California
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49
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Srinivasan ES, Crutcher CL, Shaffrey CI, Gottfried ON, Than KD. Posterior Cervical Decompression and Fusion With Exoscope: 2-Dimensional Operative Video. Oper Neurosurg (Hagerstown) 2022; 22:e83. [PMID: 35007264 DOI: 10.1227/ons.0000000000000058] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2021] [Accepted: 09/13/2021] [Indexed: 11/19/2022] Open
Abstract
Posterior cervical decompression and fusion is an effective strategy for correction of cervical spondylotic myelopathy. Here, we highlight the operative treatment of a 63-yr-old man entailing a 4-level posterior cervical laminectomy and fusion, with the use of an exoscope throughout. The patient initially presented with symptoms of gait dysfunction and loss of fine motor control in the upper extremities, without neck pain or radiculopathy. His imaging demonstrated a congenitally narrowed spinal canal with cervical stenosis at C3-C4, C5-C6, and C6-C7. The patient consented to the procedure and publication of his image, along with other participants and any identifiable individuals. The operation proceeded with the patient in a prone position with midline dissection to the posterior elements of C3-C6. Pilot holes were drilled in the lateral masses and C3-C4, C4-C5, C5-C6, and C6-C7 laminectomies performed using a high-speed drill, with removal of the laminae en bloc. Lateral mass screws were inserted and precontoured rods secured, with morselized autograft and allograft bone chips placed for arthrodesis. Postoperatively, the patient reported noted improvement in his symptoms.
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Affiliation(s)
| | - Clifford L Crutcher
- Department of Neurosurgery, Duke University Medical Center, Durham, North Carolina, USA
| | | | - Oren N Gottfried
- Department of Neurosurgery, Duke University Medical Center, Durham, North Carolina, USA
| | - Khoi D Than
- Department of Neurosurgery, Duke University Medical Center, Durham, North Carolina, USA
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50
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Rethorn ZD, Cook CE, Park C, Somers T, Mummaneni PV, Chan AK, Pennicooke BH, Bisson EF, Asher AL, Buchholz AL, Bydon M, Alvi MA, Coric D, Foley KT, Fu KM, Knightly JJ, Meyer S, Park P, Potts EA, Shaffrey CI, Shaffrey M, Than KD, Tumialan L, Turner JD, Upadhyaya CD, Wang MY, Gottfried O. Social risk factors predicting outcomes of cervical myelopathy surgery. J Neurosurg Spine 2022; 37:1-8. [PMID: 35090132 DOI: 10.3171/2021.12.spine21874] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2021] [Accepted: 12/02/2021] [Indexed: 11/06/2022]
Abstract
OBJECTIVE Combinations of certain social risk factors of race, sex, education, socioeconomic status (SES), insurance, education, employment, and one's housing situation have been associated with poorer pain and disability outcomes after lumbar spine surgery. To date, an exploration of such factors in patients with cervical spine surgery has not been conducted. The objective of the current work was to 1) define the social risk phenotypes of individuals who have undergone cervical spine surgery for myelopathy and 2) analyze their predictive capacity toward disability, pain, quality of life, and patient satisfaction-based outcomes. METHODS The Cervical Myelopathy Quality Outcomes Database was queried for the period from January 2016 to December 2018. Race/ethnicity, educational attainment, SES, insurance payer, and employment status were modeled into unique social phenotypes using latent class analyses. Proportions of social groups were analyzed for demonstrating a minimal clinically important difference (MCID) of 30% from baseline for disability, neck and arm pain, quality of life, and patient satisfaction at the 3-month and 1-year follow-ups. RESULTS A total of 730 individuals who had undergone cervical myelopathy surgery were included in the final cohort. Latent class analysis identified 2 subgroups: 1) high risk (non-White race and ethnicity, lower educational attainment, not working, poor insurance, and predominantly lower SES), n = 268, 36.7% (class 1); and 2) low risk (White, employed with good insurance, and higher education and SES), n = 462, 63.3% (class 2). For both 3-month and 1-year outcomes, the high-risk group (class 1) had decreased odds (all p < 0.05) of attaining an MCID score in disability, neck/arm pain, and health-related quality of life. Being in the low-risk group (class 2) resulted in an increased odds of attaining an MCID score in disability, neck/arm pain, and health-related quality of life. Neither group had increased or decreased odds of being satisfied with surgery. CONCLUSIONS Although 2 groups underwent similar surgical approaches, the social phenotype involving non-White race/ethnicity, poor insurance, lower SES, and poor employment did not meet MCIDs for a variety of outcome measures. This finding should prompt surgeons to proactively incorporate socially conscience care pathways within healthcare systems, as well as to optimize community-based resources to improve outcomes and personalize care for populations at social risk.
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Affiliation(s)
- Zachary D Rethorn
- 1Department of Orthopaedics, Duke University, Durham
- 19Center of Innovation to Accelerate Discovery and Practice Transformation, Durham VA Medical Center, Durham, North Carolina
| | - Chad E Cook
- 1Department of Orthopaedics, Duke University, Durham
- 3Duke Clinical Research Institute, Duke University, Durham, North Carolina
| | - Christine Park
- 15Department of Neurosurgery, Duke University School of Medicine, Durham, North Carolina
| | - Tamara Somers
- 3Duke Clinical Research Institute, Duke University, Durham, North Carolina
| | - Praveen V Mummaneni
- 4Department of Neurological Surgery, University of California, San Francisco, California
| | - Andrew K Chan
- 4Department of Neurological Surgery, University of California, San Francisco, California
| | | | - Erica F Bisson
- 6Department of Neurosurgery, Clinical Neurosciences Center, University of Utah, Salt Lake City, Utah
| | - Anthony L Asher
- 7Department of Neurosurgery, Carolina Neurosurgery and Spine Associates and Neuroscience Institute, Carolinas HealthCare System, Charlotte, North Carolina
| | - Avery L Buchholz
- 8Department of Neurosurgery, University of Virginia Health System, Charlottesville, Virginia
| | - Mohamad Bydon
- 9Department of Neurologic Surgery, Mayo Clinic, Rochester, Minnesota
| | - Mohammed Ali Alvi
- 9Department of Neurologic Surgery, Mayo Clinic, Rochester, Minnesota
| | - Domagoj Coric
- 7Department of Neurosurgery, Carolina Neurosurgery and Spine Associates and Neuroscience Institute, Carolinas HealthCare System, Charlotte, North Carolina
| | - Kevin T Foley
- 10Department of Neurosurgery, University of Tennessee and Semmes-Murphey Clinic, Memphis, Tennessee
| | - Kai-Ming Fu
- 11Department of Neurological Surgery, Weill Cornell Medicine, New York, New York
| | | | - Scott Meyer
- 12Altair Health Spine and Wellness, Morristown, New Jersey
| | - Paul Park
- 13Department of Neurosurgery, University of Michigan, Ann Arbor, Michigan
| | - Eric A Potts
- 14Goodman Campbell Brain and Spine, Indianapolis, Indiana
| | - Christopher I Shaffrey
- 15Department of Neurosurgery, Duke University School of Medicine, Durham, North Carolina
| | - Mark Shaffrey
- 8Department of Neurosurgery, University of Virginia Health System, Charlottesville, Virginia
| | - Khoi D Than
- 15Department of Neurosurgery, Duke University School of Medicine, Durham, North Carolina
| | | | - Jay D Turner
- 16Barrow Neurological Institute, Phoenix, Arizona
| | | | - Michael Y Wang
- 18Department of Neurological Surgery, University of Miami Miller School of Medicine, Miami, Florida; and
| | - Oren Gottfried
- 15Department of Neurosurgery, Duke University School of Medicine, Durham, North Carolina
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