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Kim HS, Wu PH, Tze-Chun Lau E, Jang IT. Narrative Review of Uniportal Posterior Endoscopic Cervical Foraminotomy. World Neurosurg 2024; 181:148-153. [PMID: 37821026 DOI: 10.1016/j.wneu.2023.10.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2023] [Revised: 10/01/2023] [Accepted: 10/03/2023] [Indexed: 10/13/2023]
Abstract
Cervical radiculopathy is a common and disabling cervical condition characterized by symptoms including axial neck pain, radicular pain, weakness, and numbness in one or both arms. Common causes include herniated discs and foraminal stenosis, often accompanied by varying degrees of degenerative disc disease and uncovertebral joint hypertrophy. In the treatment of cervical radiculopathy, there is an increasing preference for posterior foraminotomy over anterior cervical discectomy and fusion due to the avoidance of fusion-related complications. As endoscopic spine surgery techniques continue to evolve, there is a rising interest in posterior endoscopic cervical foraminotomy and posterior endoscopic cervical discectomy as effective treatments for cervical radiculopathy. Because these procedures can performed through a single subcentimeter incision with minimal soft tissue damage, they can often be carried out as ambulatory procedures. In this narrative review, we examined current literature addressing the indications, surgical techniques, outcomes, and potential complications associated with posterior cervical endoscopic approaches.
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Affiliation(s)
- Hyeun Sung Kim
- Nanoori Gangnam Hospital, Spine Surgery, Seoul, South Korea.
| | - Pang Hung Wu
- Achieve Spine and Orthopaedic Centre, Mount Elizabeth Hospital, Singapore, Singapore
| | - Eugene Tze-Chun Lau
- JurongHealth Campus, Orthopaedic Surgery, National University Health System, Singapore, Singapore; Kent Ridge Campus, Orthopaedic Surgery, National University Health System, Singapore, Singapore
| | - Il-Tae Jang
- Nanoori Gangnam Hospital, Spine Surgery, Seoul, South Korea
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Holy M, MacDowall A, Sigmundsson FG, Olerud C. Operative treatment of cervical radiculopathy: anterior cervical decompression and fusion compared with posterior foraminotomy: study protocol for a randomized controlled trial. Trials 2021; 22:607. [PMID: 34496941 PMCID: PMC8425018 DOI: 10.1186/s13063-021-05492-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2020] [Accepted: 07/27/2021] [Indexed: 11/23/2022] Open
Abstract
Background Cervical radiculopathy is the most common disease in the cervical spine, affecting patients around 50–55 year of age. An operative treatment is common clinical praxis when non-operative treatment fails. The controversy is in the choice of operative treatment, conducting either anterior cervical decompression and fusion or posterior foraminotomy. The study objective is to evaluate short- and long-term outcome of anterior cervical decompression and fusion (ACDF) and posterior foraminotomy (PF) Methods A multicenter prospective randomized controlled trial with 1:1 randomization, ACDF vs. PF including 110 patients. The primary aim is to evaluate if PF is non-inferior to ACDF using a non-inferiority design with ACDF as “active control.” The neck disability index (NDI) is the primary outcome measure, and duration of follow-up is 2 years. Discussion Due to absence of high level of evidence, the authors believe that a RCT will improve the evidence for using the different surgical treatments for cervical radiculopathy and strengthen current surgical treatment recommendation. Trial registration ClinicalTrials.gov NCT04177849. Registered on November 26, 2019
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Affiliation(s)
- Marek Holy
- Department of Orthopedic Surgery, Örebro University School of Medical Sciences, Örebro University Hospital, Örebro, Sweden.
| | - Anna MacDowall
- Department of Surgical Sciences, Uppsala University Hospital, Uppsala, Sweden
| | - Freyr Gauti Sigmundsson
- Department of Orthopedic Surgery, Örebro University School of Medical Sciences, Örebro University Hospital, Örebro, Sweden
| | - Claes Olerud
- Department of Surgical Sciences, Uppsala University Hospital, Uppsala, Sweden
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Lynch CP, Cha EDK, Patel MR, Jacob KC, Mohan S, Geoghegan CE, Jadczak CN, Singh K. Diabetes Mellitus Does Not Impact Achievement of a Minimum Clinically Important Difference Following Anterior Cervical Discectomy and Fusion. World Neurosurg 2021; 154:e520-e528. [PMID: 34311136 DOI: 10.1016/j.wneu.2021.07.074] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 07/15/2021] [Accepted: 07/16/2021] [Indexed: 11/25/2022]
Abstract
BACKGROUND Diabetes mellitus (DM) has been identified as a risk factor for poorer outcomes following anterior cervical discectomy and fusion (ACDF). This study aims to evaluate the impact DM has on achievement of MCID (minimum clinically important difference) following ACDF. METHODS A surgical database was reviewed for patients who underwent primary, single-level ACDF procedures with posterior instrumentation. Visual analog scales (VAS) Arm and Neck, Neck Disability Index (NDI), and Patient-Reported Outcomes Measurement Information System (PROMIS) and 12-item Short Form (SF-12) scores for physical function (PF) were recorded. MCID achievement was calculated using pre-established values from the literature. Intergroup differences in demographic, perioperative characteristics, mean outcome scores and rates of MCID achievement were calculated. RESULTS There were 43 patients with diabetes and 320 patients without diabetes. DM status was significantly associated with age, ethnicity, hypertension, American Society of Anesthesiologists physical classification score, Charlson Comorbidity Index, and insurance type (all P ≤ 0.041). Postoperative length of stay was significantly greater for the DM group (P = 0.011). Mean VAS Arm and NDI differed at 6 months (P ≤ 0.049, both) and PROMIS-PF differed from 6 weeks through 6 months (P ≤ 0.039, all). Patients without diabetes significantly improved in all PROMs by 1 year postoperatively (P < 0.01, all). Patients with diabetes significantly improved in VAS Neck and Arm, SF-12 physical component score, and PROMIS-PF by 1 year (all P ≤ 0.013) but NDI significantly improved only at 12 weeks (P = 0.038). Intergroup differences for MCID achievement were demonstrated at 6 months for NDI and SF-12 physical component score (P ≤ 0.008). CONCLUSIONS Although moderate intergroup differences in MCID achievement were demonstrated, the results of this study suggest that patients may realize similar benefits of ACDF surgery regardless of DM status.
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Affiliation(s)
- Conor P Lynch
- Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, Illinois, USA
| | - Elliot D K Cha
- Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, Illinois, USA
| | - Madhav R Patel
- Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, Illinois, USA
| | - Kevin C Jacob
- Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, Illinois, USA
| | - Shruthi Mohan
- Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, Illinois, USA
| | - Cara E Geoghegan
- Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, Illinois, USA
| | - Caroline N Jadczak
- Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, Illinois, USA
| | - Kern Singh
- Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, Illinois, USA.
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Broekema AEH, Groen RJM, Simões de Souza NF, Smidt N, Reneman MF, Soer R, Kuijlen JMA. Surgical Interventions for Cervical Radiculopathy without Myelopathy: A Systematic Review and Meta-Analysis. J Bone Joint Surg Am 2020; 102:2182-2196. [PMID: 32842045 DOI: 10.2106/jbjs.20.00324] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND The effectiveness of surgical interventions for cervical degenerative disorders has been investigated in multiple systematic reviews. Differences in study population (e.g., patients with myelopathy and/or radiculopathy) were often neglected. Therefore, the objective of this study was to investigate the effectiveness of surgical interventions for patients with symptoms of cervical radiculopathy without myelopathy by conducting a systematic review and meta-analysis based on randomized controlled trials (RCTs). METHODS A comprehensive systematic search was conducted in MEDLINE, Embase, and CENTRAL (Cochrane Central Register of Controlled Trials) to identify RCTs that investigated the effectiveness of surgical interventions using an anterior or posterior approach compared with other interventions for patients with pure cervical radiculopathy. Outcomes were success rates (Odom criteria, similar rating scales, or percentage of patients who improved), complication and reoperation rates, work status, disability (Neck Disability Index), and pain (arm and neck). The Cochrane risk-of-bias tool was used to assess the likelihood of the risk of bias. A random-effects model was used. Heterogeneity among study results (I2 ≥ 50% or p < 0.05) was explored by conducting subgroup analyses. Funnel plots were used to assess the likelihood of publication bias. RESULTS A total of 21 RCTs were included, comprising 1,567 patients. For all outcomes, among all surgical techniques, only 1 pooled estimate showed a significant effect on success rate, which was in favor of anterior cervical discectomy with fusion compared with anterior cervical discectomy without an intervertebral spacer (p = 0.02; risk ratio [RR] = 0.87; 95% confidence interval [CI] = 0.77 to 0.98). Complication rates were higher when autologous bone graft from the iliac crest was used as an intervertebral spacer (p < 0.01; RR = 3.40; 95% CI = 1.56 to 7.43), related to donor-site morbidity. CONCLUSIONS This meta-analysis demonstrated consistent results regarding clinical outcome for pure cervical radiculopathy among all studied interventions. Complication and reoperation rates were also similar, with the exception of higher complication rates in patients in whom autologous bone grafts were used. On the basis of clinical outcome and safety, there is no superior surgical intervention for pure cervical radiculopathy. LEVEL OF EVIDENCE Therapeutic Level I. See Instructions for Authors for a complete description of levels of evidence.
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Affiliation(s)
- Anne E H Broekema
- Departments of Neurosurgery (A.E.H.B., R.J.M.G., N.F.S.d.S., and J.M.A.K.), Epidemiology (N.S.), and Rehabilitation (M.F.R.), and Pain Center (R.S.), University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Rob J M Groen
- Departments of Neurosurgery (A.E.H.B., R.J.M.G., N.F.S.d.S., and J.M.A.K.), Epidemiology (N.S.), and Rehabilitation (M.F.R.), and Pain Center (R.S.), University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Nádia F Simões de Souza
- Departments of Neurosurgery (A.E.H.B., R.J.M.G., N.F.S.d.S., and J.M.A.K.), Epidemiology (N.S.), and Rehabilitation (M.F.R.), and Pain Center (R.S.), University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Nynke Smidt
- Departments of Neurosurgery (A.E.H.B., R.J.M.G., N.F.S.d.S., and J.M.A.K.), Epidemiology (N.S.), and Rehabilitation (M.F.R.), and Pain Center (R.S.), University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Michiel F Reneman
- Departments of Neurosurgery (A.E.H.B., R.J.M.G., N.F.S.d.S., and J.M.A.K.), Epidemiology (N.S.), and Rehabilitation (M.F.R.), and Pain Center (R.S.), University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Remko Soer
- Departments of Neurosurgery (A.E.H.B., R.J.M.G., N.F.S.d.S., and J.M.A.K.), Epidemiology (N.S.), and Rehabilitation (M.F.R.), and Pain Center (R.S.), University Medical Center Groningen, University of Groningen, Groningen, the Netherlands.,Saxion University of Applied Sciences, Enschede, the Netherlands
| | - Jos M A Kuijlen
- Departments of Neurosurgery (A.E.H.B., R.J.M.G., N.F.S.d.S., and J.M.A.K.), Epidemiology (N.S.), and Rehabilitation (M.F.R.), and Pain Center (R.S.), University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
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Potential Selection Bias in Observational Studies Comparing Cervical Disc Arthroplasty to Anterior Cervical Discectomy and Fusion. Spine (Phila Pa 1976) 2020; 45:960-967. [PMID: 32080010 DOI: 10.1097/brs.0000000000003427] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
STUDY DESIGN Retrospective study using a national administrative database. OBJECTIVE To define the cohort differences in patient characteristics between patients undergoing cervical disc arthroplasty (CDA) and anterior cervical discectomy and fusion (ACDF) in a large national sample, and to describe the impact of those baseline patient characteristics on analyses of costs and complications. SUMMARY OF BACKGROUND DATA CDA was initially studied in high quality, randomized trials with strict inclusion criteria. Recently a number of non-randomized, observational studies have been published an attempt to expand CDA indications. These trials are predisposed to falsely attributing differences in outcomes to an intervention due to selection bias. METHODS Adults undergoing ACDF or CDA between 2004 and 2014 were identified using International Classification of Diseases, 9, Clinical Modification (ICD-9-CM) diagnosis and procedure codes. Perioperative demographics, comorbidities, complications, and costs were queried. Patient characteristics were compared via chi-square and t tests. Cost, mortality, and complications were compared between ACDF and CDA cohorts using models that adjusted for demographics and comorbidities, as well as "naïve" models that did not. RESULTS A total of 290,419 procedures, 98.2% ACDF and 1.8% CDA, were included in the sample. Compared with ACDF patients, CDA patients were younger, healthier as evidenced by number of comorbidities, and had an improved socioeconomic status as measured by income and insurance. The naïve logistic regression model showed that hospital costs for CDA were $549 lower than ACDF. In the fully specified model, CDA was $574 more expensive. The naïve model for medical complications suggests a protective advantage for CDA over ACDF, odds ratio of 0.627, P < 0.01. No statistically significant difference was found in the fully specified model in terms of complications. CONCLUSION Patients undergoing CDA were younger and healthier with higher socioeconomic statuses compared with ACDF patients. Accounting for these baseline differences significantly attenuated the apparent benefit for CDR on costs and medical complications. LEVEL OF EVIDENCE 3.
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Oitment C, Watson T, Lam V, Aref M, Koziarz A, Kachur E, Badhiwala JH, Almenawer SA, Cenic A. The Role of Anterior Cervical Discectomy and Fusion on Relieving Axial Neck Pain in Patients With Single-Level Disease: A Systematic Review and Meta-Analysis. Global Spine J 2020; 10:312-323. [PMID: 32313797 PMCID: PMC7160803 DOI: 10.1177/2192568219837923] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
STUDY DESIGN Systematic review and meta-analysis. OBJECTIVES This study aims to evaluate the effects of anterior cervical decompression and fusion (ACDF) on axial neck pain in adult patients receiving surgery for myelopathy, radiculopathy, or a combination of both. METHODS Two independent reviewers completed a librarian-assisted search of 4 databases. Visual Analogue Scale (VAS) and Neck Disability Index (NDI) scores were extracted preoperatively and at 3, 6, 12, 24, 36, 48, and 48+ months postoperatively for ACDF groups and pooled using a random-effects model. RESULTS Of 17 850 eligible studies, 37 were included for analysis, totaling 2138 patients analyzed with VAS and 2477 with NDI score. Individual VAS mean differences were reduced at 6 weeks (-2.5 [95% confidence interval (CI): -3.5 to -1.6]), 3 months (-2.9 [-3.7 to -2.2]), 6 months (-3.2 [-3.9 to -2.6]), 12 months (-3.7 [-4.3 to -3.1]), 24 months (-4.0 [-4.4 to -3.5]), 48 months (-4.6 [-5.5 to -3.8]), and >48 months (-4.7 [-5.8 to -3.6]) follow-up (P < .0001 for all endpoints). Individual NDI mean differences were reduced at 6 weeks (-26.7 [-30.9 to -22.6]), 3 months (-29.8 [-32.7 to -26.8]), 6 months (-31.2 [-35.5 to -26.8)], 12 months (-29.3 [-33.2 to -25.4]), 24 months (-28.9 [-32.6 to -25.2]), 48 months (-33.1 [-37.4 to -28.7]), and >48 months (-37.6 [-45.9 to -29.3]) follow-up (P < .0001 for all endpoints). CONCLUSIONS ACDF is associated with a significant reduction in axial neck pain compared with preoperative values in patients being treated specifically for myelopathy or radiculopathy. This influences the preoperative discussions surgeons may have with patients regarding their expectations for surgery. The effects seen are stable over time and represent a clinically significant reduction in axial neck pain.
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Affiliation(s)
| | | | - Victor Lam
- University of Western Ontario, London, Ontario, Canada
| | | | - Alex Koziarz
- McMaster University, Hamilton, Ontario, Canada,University of Toronto, Toronto, Ontario, Canada
| | | | | | | | - Aleksa Cenic
- McMaster University, Hamilton, Ontario, Canada,Aleksa Cenic, Division of Neurosurgery, Hamilton
Health Sciences, 237 Barton St E, Hamilton, Ontario L8L 2X2, Canada.
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Lönnrot K, Taimela S, Toivonen P, Aronen P, Koski-Palken A, Frantzen J, Leinonen V, Silvasti-Lundell M, Förster J, Jarvinen T. Finnish Trial on Practices of Anterior Cervical Decompression and Fusion (FACADE): a protocol for a prospective randomised non-inferiority trial comparing outpatient versus inpatient care. BMJ Open 2019; 9:e032575. [PMID: 31772100 PMCID: PMC6886918 DOI: 10.1136/bmjopen-2019-032575] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Revised: 09/22/2019] [Accepted: 10/29/2019] [Indexed: 11/28/2022] Open
Abstract
INTRODUCTION Although a great majority of patients with cervical radiculopathy syndrome can successfully be treated non-operatively, a considerable proportion experience persistent symptoms, severe enough to require neurosurgical intervention. During the past decade, cervical spine procedures have increasingly been performed on an outpatient basis and retrospective database analyses have shown this to be feasible and safe. However, there are no randomised controlled studies comparing outpatient care with inpatient care, particularly with emphasis on the patients' perception of symptom relief and their ability to return to normal daily activities and work. METHODS AND ANALYSIS This is a prospective, randomised, controlled, parallel group non-inferiority trial comparing the traditional hospital surveillance (inpatient, patients staying in the hospital for 1-3 nights after surgery) with outpatient care (discharge on the day of the surgery, usually within 6-8 hours after procedure) in patients who have undergone anterior cervical decompression and fusion procedure. To determine whether early discharge (outpatient care) is non-inferior to inpatient care, we will randomise 104 patients to these two groups and follow them for 6 months using the Neck Disability Index (NDI) as the primary outcome. We expect that early discharge is not significantly worse than the current care in terms of change in NDI. Non-inferiority will be declared if the mean improvement for outpatient care is no worse than the mean improvement for inpatient care, by a margin of 17.3%. We hypothesise that a shorter hospital stay results in more rapid return to normal daily activities, shorter duration of sick leave and decreased secondary costs to healthcare system. Secondary outcomes in our study are arm pain and neck pain using the Numeric Rating Scale, operative success (Odom's criteria), patient's satisfaction to treatment, general quality of life (EQ-5D-5L), Work Ability Score, sickness absence days, return to previous leisure activities and complications. ETHICS AND DISSEMINATION The study was approved by the institutional review board of the Helsinki and Uusimaa Hospital District on 6 June 2019 (1540/2019) and duly registered at ClinicalTrials.gov. We will disseminate the findings of this study through peer-reviewed publications and conference presentations. TRIAL REGISTRATION NUMBER NCT03979443.
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Affiliation(s)
- Kimmo Lönnrot
- Department of Neurosurgery, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
- Finnish Centre for Evidence-Based Orthopedics (FICEBO), University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Simo Taimela
- Finnish Centre for Evidence-Based Orthopedics (FICEBO), University of Helsinki and Helsinki University Hospital, Helsinki, Finland
- Department of Orthopaedics and Traumatology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Pirjo Toivonen
- Finnish Centre for Evidence-Based Orthopedics (FICEBO), University of Helsinki and Helsinki University Hospital, Helsinki, Finland
- Department of Orthopaedics and Traumatology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Pasi Aronen
- Finnish Centre for Evidence-Based Orthopedics (FICEBO), University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Anniina Koski-Palken
- Department of Neurosurgery, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Janek Frantzen
- Division of Clinical neurosciences, Department of Neurosurgery, Turku University Hospital and University of Turku, Turku, Finland
| | - Ville Leinonen
- Department of Neurosurgery, Kuopio University Hospital and University of Eastern Finland, Kys, Finland
- Unit of Clinical Neuroscience, Neurosurgery, University of Oulu and Medical Research Center, Oulu, Finland
| | - Marja Silvasti-Lundell
- Division of Anaesthesiology, Department of Anaesthesiology, Intensive Care and Pain Medicine, Helsinki University Hospital, Helsinki, Finland
| | - Johannes Förster
- Department of Anaesthesia, Orthopaedic Hospital Orton, Helsinki, Finland
| | - Teppo Jarvinen
- Finnish Centre for Evidence-Based Orthopedics (FICEBO), University of Helsinki and Helsinki University Hospital, Helsinki, Finland
- Department of Orthopaedics and Traumatology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
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Longer Preoperative Duration of Symptoms Negatively Affects Health-related Quality of Life After Surgery for Cervical Radiculopathy. Spine (Phila Pa 1976) 2019; 44:685-690. [PMID: 30395087 DOI: 10.1097/brs.0000000000002924] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
STUDY DESIGN Retrospective cohort. OBJECTIVE Determine the effect of duration of symptoms (DOS) on health-related quality of life (HRQOL) outcomes for patients with cervical radiculopathy. SUMMARY OF BACKGROUND DATA The effect of DOS has not been extensively evaluated for cervical radiculopathy. METHODS A retrospective analysis of patients who underwent an anterior cervical decompression and fusion for radiculopathy was performed. Patients were grouped based on DOS of less than 6 months, 6 months to 2 years, and more than 2 years and HRQOL outcomes were evaluated. RESULTS A total of 216 patients were included with a mean follow-up of 16.0 months. There were 86, 61, and 69 patients with symptoms for less than 6 months, 6 months to 2 years, and more than 2 years, respectively. No difference in the absolute postoperative score of the patient reported outcomes was identified between the cohorts. However, in the multivariate analysis, radiculopathy for more than 2 years predicted lower postoperative Short Form-12 Physical Component Score (P = 0.037) and Short Form-12 Mental Component Score (P = 0.029), and higher postoperative Neck Disability Index (P = 0.003), neck pain (P = 0.001), and arm pain (P = 0.004) than radiculopathy for less than 6 months. Furthermore, the recovery ratios for patients with symptoms for less than 6 months demonstrated a greater improvement in NDI, neck pain, and arm pain than for 6 months to 2 years (P = 0.041; 0.005; 0.044) and more than 2 years (P = 0.016; 0.014; 0.002), respectively. CONCLUSION Patients benefit from spine surgery for cervical radiculopathy at all time points, and the absolute postoperative score for the patient reported outcomes did not vary based on the duration of symptoms; however, the regression analysis clearly identified symptoms for more than 2 years as a predictor of worse outcomes, and the recovery ratio was statistically significantly improved in patients who underwent surgery within 6 months of the onset of symptoms. LEVEL OF EVIDENCE 3.
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Chaput CD, Shar A, Jupiter D, Hubert Z, Clough B, Krause U, Gregory CA. How stem cell composition in bone marrow aspirate relates to clinical outcomes when used for cervical spine fusion. PLoS One 2018; 13:e0203714. [PMID: 30248138 PMCID: PMC6152872 DOI: 10.1371/journal.pone.0203714] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2018] [Accepted: 08/24/2018] [Indexed: 01/14/2023] Open
Abstract
Anterior cervical discectomy and fusion (ACDF) is performed to relieve pain caused by degenerative disk disease and nerve obstruction. As an alternative to bone graft, autologous concentrated bone marrow aspirate (CBMA) is used to achieve vertebral fusion with a satisfactory success rate. This has been attributed in part to bone marrow-resident mesenchymal stromal cells (MSCs) with the capacity to differentiate into osteoblasts and generate bone tissue. To date, there has been no study comparing cellular yields, MSC frequencies and their osteogenic potential with ACDF outcome. Patients (n = 24) received ACDF with CBMA and allograft bone matrix. Colony forming unit fibroblast (CFU-F) and CFU-osteoblasts (CFU-O) assays were performed on CBMA samples to enumerate MSCs (CFU-F) and osteogenic MSCs (CFU-O). CFUs were normalized to CBMA volume to define yield and also to mononuclear cells (MNC) to define frequency. After 1-year, fusion rates were good (86.7%) with pain and disability improved. There was a negative relationship between MNC and CFU-F measurements with age of patient and CFU-Os negatively correlated with age in females but not males. Tobacco use did not affect CBMA but was associated with poorer clinical outcome. Surprisingly, we found that while high-grade fusion was not associated with CFU-O, it correlated strongly (p<0.0067) with CBMA containing the lowest frequencies of CFU-F (3.0x10-6–5.83x10-5 CFU-F/MNC). MNC levels alone were not responsible for the results. These observations suggest that osteogenesis by human bone marrow is controlled by homeostatic ratio of MSCs to other cellular bone marrow components rather than absolute level of osteogenic MSCs, and that a lower ratio of MSCs to other cellular components in marrow tends to predict effective osteogenesis during ACDF. The results presented herein challenge the current dogma surrounding the proposed mechanism of MSCs in bone healing.
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Affiliation(s)
- Christopher D. Chaput
- Department of Orthopedics, University of Texas Health San Antonio, San Antonio, Texas, United States of America
- * E-mail: (CAG); (CC)
| | - Adam Shar
- Department of Orthopedics, University of Texas Health San Antonio, San Antonio, Texas, United States of America
- Medical Education Building, Texas A&M Health Science Center, Temple Campus, Temple, Texas, United States of America
| | - Daniel Jupiter
- Department of Preventive Medicine and Community Health, The University of Texas Medical Branch, Galveston, Texas, United States of America
| | - Zach Hubert
- Medical Education Building, Texas A&M Health Science Center, Temple Campus, Temple, Texas, United States of America
| | - Bret Clough
- Institute for Regenerative Medicine, Texas A&M Health Science Center, College Station, Texas, United States of America
| | - Ulf Krause
- Institute for Transfusion Medicine and Transplant Immunology, University Hospital Muenster, Muenster, Germany
| | - Carl A. Gregory
- Institute for Regenerative Medicine, Texas A&M Health Science Center, College Station, Texas, United States of America
- * E-mail: (CAG); (CC)
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Romeo A, Vanti C, Boldrini V, Ruggeri M, Guccione AA, Pillastrini P, Bertozzi L. Cervical Radiculopathy: Effectiveness of Adding Traction to Physical Therapy-A Systematic Review and Meta-Analysis of Randomized Controlled Trials. Phys Ther 2018; 98:231-242. [PMID: 29315428 DOI: 10.1093/physth/pzy001] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/02/2017] [Accepted: 01/01/2018] [Indexed: 01/22/2023]
Abstract
BACKGROUND Cervical radiculopathy (CR) is a common cervical spine disorder. Cervical traction (CT) is a frequently recommended treatment for patients with CR. PURPOSE The purpose of this study was to conduct a review and meta-analysis of randomized controlled trials (RCTs) on the effect of CT combined with other physical therapy procedures versus physical therapy procedures alone on pain and disability. DATA SOURCES Data were obtained from COCHRANE Controlled Trials Register, PubMed, CINAHL, Scopus, ISI Web of Science, and PEDro, from their inception to July 2016. STUDY SELECTION All RCTs on symptomatic adults with CR, without any restriction regarding publication time or language, were considered. DATA EXTRACTION Two reviewers selected the studies, conducted the quality assessment, and extracted the results. Meta-analysis employed a random-effects model. The evidence was assessed using GRADE criteria. DATA SYNTHESIS Five studies met the inclusion criteria. Mechanical traction had a significant effect on pain at short- and intermediate-terms (g = -0.85 [95% CI = -1.63 to -0.06] and g = -1.17 [95% CI = -2.25 to -0.10], respectively) and significant effects on disability at intermediate term (g = -1.05; 95% CI = -1.81 to -0.28). Manual traction had significant effects on pain at short- term (g = -0.85; 95% CI = -1.39 to -0.30). LIMITATIONS The most important limitation of the present work is the lack of homogeneity in CR diagnostic criteria among the included studies. CONCLUSIONS In light of these results, the current literature lends some support to the use of the mechanical and manual traction for CR in addition to other physical therapy procedures for pain reduction, but yielding lesser effects on function/disability.
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Affiliation(s)
- Antonio Romeo
- Department of Biomedical and Neuromotor Sciences (DIBINEM), Alma Mater Studiorum, University of Bologna
| | - Carla Vanti
- Department of Biomedical and Neuromotor Sciences (DIBINEM), Alma Mater Studiorum, University of Bologna
| | - Valerio Boldrini
- Department of Biomedical and Neurological Sciences, University of Bologna
| | - Martina Ruggeri
- Department of Biomedical and Neurological Sciences University of Bologna
| | - Andrew A Guccione
- Department of Rehabilitation Science, College of Health and Human Services, George Mason University, Fairfax, Virginia
| | - Paolo Pillastrini
- Department of Biomedical and Neuromotor Sciences (DIBINEM), Alma Mater Studiorum, University of Bologna, Bologna, Italy
| | - Lucia Bertozzi
- Academic Clinical Coordinator, School of Physical Therapy, Alma Mater Studiorum, University of Bologna
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Abstract
STUDY DESIGN Retrospective cohort study. OBJECTIVE Assessment of outcome after minimally invasive posterior cervical foraminotomy (MI-PCF). SUMMARY OF BACKGROUND DATA Surgical management of cervical radiculopathy represents a controversial area in spinal surgery. Preferred approaches include both anterior cervical discectomy and posterior cervical foraminotomy (PCF). Numerous studies showed comparable results. Employing PCF eliminates risks associated with anterior approach. PCF as originally described by Spurling and Scoville necessitates extensive stripping of cervical muscles to expose the cervical spine, resulting in muscle injury, impaired muscle function, prolonged postoperative neck pain, and increased use of narcotics. There are only few studies investigating outcome after employing MI-PCF. MATERIALS AND METHODS Retrospective review of 34 patients who underwent MI-PCF for presenting complaints, postoperative and follow-up outcome. RESULTS In the last follow-up the weakness resolved completely in 62.6% of patients, in 4.1% improved and in 16.5% remained unchanged. In the last follow-up 76.7% of patients originally presenting with pain reported complete resolution of pain and 10% reported partial improvement of pain. In total, 23.5% of patients were lost during follow-up as far as pain was concerned. In the last follow-up, 75% of patients achieved relative neck-pain-freedom (Visual Analog Scale≤3) at rest and 62.5% of patients under strain. The mean neck pain on Visual Analog Scale at rest was 2.13 (SD=2.42) and 3.34 (SD=3.01) under strain. In total, 93.8% (n=15) of patients would undergo the same procedure for the same achieved result. CONCLUSIONS Minimally invasive cervical foraminotomy is an effective procedure for decompression of cervical nerve roots regardless the type of the stenosis. Even employing minimally invasive technique still causes neck pain in the long term affecting up to 25% of patients. More randomized control studies are required to clarify the benefits of minimally invasive PCF.
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Choi BW, Kim SS, Lee DH, Kim JW. Cervical radiculopathy combined with cervical myelopathy: prevalence and characteristics. EUROPEAN JOURNAL OF ORTHOPAEDIC SURGERY AND TRAUMATOLOGY 2017; 27:889-893. [DOI: 10.1007/s00590-017-1972-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2017] [Accepted: 04/25/2017] [Indexed: 12/01/2022]
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Prolonged Preoperative Opioid Therapy Associated With Poor Return to Work Rates After Single-Level Cervical Fusion for Radiculopathy for Patients Receiving Workers' Compensation Benefits. Spine (Phila Pa 1976) 2017; 42:E104-E110. [PMID: 27224882 DOI: 10.1097/brs.0000000000001715] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
STUDY DESIGN Retrospective comparative cohort study. OBJECTIVE Examine the effect of prolonged preoperative opioid use on return to work (RTW) status after single-level cervical fusion for radiculopathy. SUMMARY OF BACKGROUND DATA The use of opioids has a dramatic effect in a workers' compensation population. The costs of claims that involved opioids in the management plan are catastrophic particularly for those undergoing spinal surgical procedure. MATERIALS Data of patients who underwent single-level cervical fusion for radiculopathy and had received opioid prescriptions before surgery were retrospectively collected from Ohio Bureau of Workers' Compensation between 1993 and 2011 after work-related injury. Then, based on opioid use duration, short-term use (STO) group (<3 mo), intermediate-term use (ITO) group (3-6 mo), and long-term use (LTO) group (>6 mo) were constructed. A multivariate logistic regression analysis was used to determine whether successful RTW status was achieved. Chi-square and analysis of variance tests were used to compare other secondary outcomes after surgery. RESULTS Prolonged preoperative opioid use was a negative predictor of successful RTW status (odds ratio = 0.73; 95% confidence interval: 0.55-0.98; P value: 0.04). Prolonged preoperative opioid use was associated with increasingly lower rates of achieving stable RTW status (P < 0.05) and RTW within 1 year after surgery (P < 0.05). The odds of achieving successful RTW status were 0.49 (0.25-0.94) for ITO, and 0.40 (0.24-0.68) for LTO compared with STO group. The odds of RTW less than 1 year after surgery were 0.43 (0.21-0.88) for ITO and 0.36 (0.21-0.62) for LTO compared with STO group. Prolonged preoperative opioid use was also associated with increasingly higher net medical costs (P < 0.01), and disability benefits awarded after surgery (P < 0.01). CONCLUSION Prolonged preoperative opioid use was associated with poor functional outcomes after cervical fusion. STO and earlier inclusion of the surgical approach in the management plan may offer better surgical and functional outcomes after cervical fusion. LEVEL OF EVIDENCE 3.
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Broekema AEH, Kuijlen JMA, Lesman-Leegte GAT, Bartels RHMA, van Asselt ADI, Vroomen PCAJ, van Dijk JMC, Reneman MF, Soer R, Groen RJM. Study protocol for a randomised controlled multicentre study: the Foraminotomy ACDF Cost-Effectiveness Trial (FACET) in patients with cervical radiculopathy. BMJ Open 2017; 7:e012829. [PMID: 28057652 PMCID: PMC5223700 DOI: 10.1136/bmjopen-2016-012829] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
INTRODUCTION Cervical radiculopathy due to discogenic or spondylotic stenosis of the neuroforamen can be surgically treated by an anterior discectomy with fusion (ACDF) or a posterior foraminotomy (FOR). Most surgeons prefer ACDF, although there are indications that FOR is as effective as ACDF, has a lower complication rate and is less expensive. A head-to-head comparison of the 2 surgical techniques in a randomised controlled trial has not yet been performed. The study objectives of the Foraminotomy ACDF Cost-Effectiveness Trial (FACET) study are to compare clinical outcomes, complication rates and cost-effectiveness of FOR to ACDF. METHODS AND ANALYSIS The FACET study is a prospective randomised controlled trial conducted in 7 medical centres in the Netherlands. The follow-up period is 2 years. The main inclusion criterion is a radiculopathy of the C4, C5, C6 or C7 nerve root, due to a single-level isolated cervical foraminal stenosis caused by a soft disc and/or osteophytic component, requiring operative decompression. A sample size of 308 patients is required to test the hypothesis of clinical non-inferiority of FOR versus ACDF. Primary outcomes are: 'operative success', the measured decrease in radiculopathy assessed by the visual analogue scale and 'patient success', assessed by the modified Odom's criteria. Secondary outcomes are: Work Ability Index (single-item WAI), quality of life (EuroQol 5 Dimensions 5 level Survey, EQ-5D-5L), Neck Disability Index (NDI) and complications. An economic evaluation will assess cost-effectiveness. In addition, a budget impact analysis will be performed. ETHICS AND DISSEMINATION Ethical approval was obtained from the Institutional Ethics Committee of the University Medical Center Groningen. Results of this study will be disseminated through national and international papers. The participants and relevant patient support groups will be informed about the results of the study. TRIAL REGISTRATION NUMBER NTR5536, pre-results.
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Affiliation(s)
- A E H Broekema
- Department of Neurosurgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - J M A Kuijlen
- Department of Neurosurgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
- University of Groningen, University Medical Center Groningen, Groningen Spine Center, Groningen, The Netherlands
| | - G A T Lesman-Leegte
- Department of Epidemiology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - R H M A Bartels
- Radboud University Medical Center Nijmegen, Nijmegen, The Netherlands
| | - A D I van Asselt
- Department of Epidemiology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
- Department of Pharmacy, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - P C A J Vroomen
- Department of Neurology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - J M C van Dijk
- Department of Neurosurgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - M F Reneman
- Department of Rehabilitation, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - R Soer
- University of Groningen, University Medical Center Groningen, Groningen Spine Center, Groningen, The Netherlands
- Saxion University of Applied Sciences Enschede, Enschede, The Netherlands
| | - R J M Groen
- Department of Neurosurgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
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Shao MM, Chen CH, Lin ZK, Wang XY, Huang QS, Chi YL, Wu AM. Comparison of the more than 5-year clinical outcomes of cervical disc arthroplasty versus anterior cervical discectomy and fusion: A protocol for a systematic review and meta-analysis of prospective randomized controlled trials. Medicine (Baltimore) 2016; 95:e5733. [PMID: 28002345 PMCID: PMC5181829 DOI: 10.1097/md.0000000000005733] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/02/2016] [Revised: 10/24/2016] [Accepted: 11/30/2016] [Indexed: 11/26/2022] Open
Abstract
BACKGROUND Anterior cervical discectomy and fusion (ACDF) was almost the "golden standard" technique in treatment of symptomatic cervical degenerative disc disease, however, it cause motion loss of the indexed level, increase the intradiscal pressure and motion of the adjacent levels, and may accelerate the degeneration of adjacent level. Cervical disc arthroplasty (CDA) was designed to preserve the motion of index level, avoid the over-activity of adjacent levels and reduce the degeneration of adjacent disc levels, the process of degeneration of adjacent level is very slowly, long term follow up studies should be conducted, this study aim to compare the more than 5 years' long-term clinical outcomes and safety between CDA and ACDF. METHODS A systematic review and meta-analysis that will be performed according to the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses). The electric database of Medline, Embase, and Cochrane library will be systematic search. A standard data form will be used to extract the data of included studies. We will assess the studies according to the Cochrane Handbook for Systematic Reviews of Interventions, and perform analysis in software STATA 12.0. Fixed-effects models will be used for homogeneity data, while random-effects will be used for heterogeneity data. The overall effect sizes will be determined as weighted mean difference (WMD) for continuous outcomes and Relative risk (RR) for dichotomous outcomes. RESULTS The results of study will be disseminated via both international conference and peer-review journal. CONCLUSION The conclusion of our study will provide the long-term and updated evidence of clinical outcomes and safety between CDA and ACDF, and help surgeon to change better surgical technique for patients.
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Affiliation(s)
- Min-Min Shao
- Department of Orthopedics, Second Affiliated Hospital of Wenzhou Medical University, Second Medical College of Wenzhou Medical University
- Department of ENT and Neck Surgery, Wenzhou Center Hospital, Dingli Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China
| | - Chun-Hui Chen
- Department of ENT and Neck Surgery, Wenzhou Center Hospital, Dingli Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China
| | - Zhong-Ke Lin
- Department of ENT and Neck Surgery, Wenzhou Center Hospital, Dingli Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China
| | - Xiang-Yang Wang
- Department of ENT and Neck Surgery, Wenzhou Center Hospital, Dingli Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China
| | - Qi-Shan Huang
- Department of ENT and Neck Surgery, Wenzhou Center Hospital, Dingli Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China
| | - Yong-Long Chi
- Department of ENT and Neck Surgery, Wenzhou Center Hospital, Dingli Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China
| | - Ai-Min Wu
- Department of ENT and Neck Surgery, Wenzhou Center Hospital, Dingli Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China
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Abstract
Cervical radiculopathy presents with upper extremity pain, decreased sensation, and decreased strength caused by irritation of specific nerve root(s). After failure of conservative management, surgical options include anterior cervical decompression and fusion, disk arthroplasty, and posterior cervical foraminotomy. In this review, we discuss indications, techniques, and outcomes of posterior cervical laminoforaminotomy.
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Janssen ME, Zigler JE, Spivak JM, Delamarter RB, Darden BV, Kopjar B. ProDisc-C Total Disc Replacement Versus Anterior Cervical Discectomy and Fusion for Single-Level Symptomatic Cervical Disc Disease: Seven-Year Follow-up of the Prospective Randomized U.S. Food and Drug Administration Investigational Device Exemption Study. J Bone Joint Surg Am 2015; 97:1738-47. [PMID: 26537161 DOI: 10.2106/jbjs.n.01186] [Citation(s) in RCA: 126] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND In patients with single-level cervical degenerative disc disease, total disc arthroplasty can relieve radicular pain and preserve functional motion between two vertebrae. We compared the efficacy and safety of cervical total disc arthroplasty with that of anterior cervical discectomy and fusion (ACDF) for the treatment of single-level cervical degenerative disc disease between C3-C4 and C6-C7. METHODS Two hundred and nine patients at thirteen sites were randomly treated with either total disc arthroplasty with ProDisc-C (n = 103) or with ACDF (n = 106). Patients were assessed preoperatively; at six weeks and three, six, twelve, eighteen, and twenty-four months postoperatively; and then annually until seven years postoperatively. Outcome measures included the Neck Disability Index (NDI), the Short Form-36 (SF-36), postoperative neurologic parameters, secondary surgical procedures, adverse events, neck and arm pain, and satisfaction scores. RESULTS At seven years, the overall follow-up rate was 92% (152 of 165). There were no significant differences in demographic factors, follow-up rate, or patient-reported outcomes between groups. Both procedures were effective in reducing neck and arm pain and improving and maintaining function and health-related quality of life. Neurologic status was improved or maintained in 88% and 89% of the patients in the ProDisc-C and ACDF groups, respectively. After seven years of follow-up, thirty secondary surgical procedures had been performed in nineteen (18%) of 106 patients in the ACDF group compared with seven secondary surgical procedures in seven (7%) of 103 patients in the ProDisc-C group (p = 0.0099). There were no significant differences in the rates of any device-related adverse events between the groups. CONCLUSIONS Total disc arthroplasty with ProDisc-C is a safe and effective surgical treatment of single-level symptomatic cervical degenerative disc disease. Clinical outcomes after total disc arthroplasty with ProDisc-C were similar to those after ACDF. Patients treated with ProDisc-C had a lower probability of subsequent surgery, suggesting that total disc arthroplasty provides durable results and has the potential to slow the rate of adjacent-level disease. LEVEL OF EVIDENCE Therapeutic Level I. See Instructions for Authors for a complete description of levels of evidence.
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Affiliation(s)
- Michael E Janssen
- Center for Spinal Disorders/Scientific Education and Research Institute, 9005 Grant Street, Suite 200, Thornton, CO 80229
| | - Jack E Zigler
- Texas Back Institute, 6020 West Parker Road, Suite 200, Plano, TX 75093
| | - Jeffrey M Spivak
- Department of Orthopaedic Surgery, NYU Hospital for Joint Diseases, 301 East 17th Street, New York, NY 10003
| | - Rick B Delamarter
- The Spine Institute, 2811 Wilshire Boulevard, Suite 850, Santa Monica, CA 90403
| | - Bruce V Darden
- OrthoCarolina Spine Center, 2001 Randolph Road, Charlotte, NC 28207
| | - Branko Kopjar
- Department of Health Services, University of Washington, 4333 Brooklyn Avenue N.E., Room 14-315, Seattle, WA 98195-9455. E-mail address:
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Clinical Outcome and Changes of Foraminal Dimension in Patients With Foraminal Stenosis After ACDF. ACTA ACUST UNITED AC 2015; 28:E449-53. [DOI: 10.1097/bsd.0000000000000256] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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19
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Spallone A, Marchione P, Li Voti P, Ferrante L, Visocchi M. Anterior cervical discectomy and fusion with "mini-invasive" harvesting of iliac crest graft versus polyetheretherketone (PEEK) cages: a retrospective outcome analysis. Int J Surg 2014; 12:1328-32. [PMID: 25448654 DOI: 10.1016/j.ijsu.2014.11.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2014] [Revised: 10/29/2014] [Accepted: 11/03/2014] [Indexed: 01/22/2023]
Abstract
BACKGROUND Limited outcome data suggested a minimal evidence for better clinical and radiographic outcome of polyetheretherketone cages compared with bone grafts in the anterior cervical discectomy and fusion. We proposed a "mini-invasive" surgical technique for harvesting iliac crest grafts that provides bicortical autografts of sufficient size to be used in multilevel cervical procedures and is not associated with long-term significant donor site pain. METHODS All patients undergoing discectomy and fusion during a three years period were consecutively extracted from computer database and retrospectively evaluated by means of telephonic interview, independently from surgical procedure (iliac crest autograph or prosthesis). Two procedure-blinded neurologists retrieved baseline clinical-demographic data and pre-surgical scores of routinely performed scales for pain and functional abilities. Afterwards, a third blinded neurologist performed clinical follow up by a semi-structured interview including Verbal Analog Scale for pain and Neck Disability Scale for discomfort. RESULTS 80 patients out of 115 selected cases completed the follow up. 40 patients had been treated by mini-invasive bone graft harvesting and 40 with PEEK cages for cervical fusion. VAS for both neck and arm pain were significantly reduced within groups. Patients did not complaint any significant pain and/or paraesthesias at donor site from the first week after intervention. Neck Disability Scale was significantly lower at the end of follow up in both groups. CONCLUSIONS "Miniinvasive" bicortical autografts is a less invasive, inexpensive technique to harvest iliac graft that may produce a reduced amount of general and local donor-site complications without outcome differences with prosthetic cages.
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Affiliation(s)
- A Spallone
- Department of Clinical Neurosciences, Neurological Centre of Latium, Rome, Italy; Chair of Neurosurgery, Department of Biomedicine, University of Rome "Tor Vergata", Rome, Italy
| | - P Marchione
- Department of Clinical Neurosciences, Neurological Centre of Latium, Rome, Italy; Section of Neurology C, Department of Medical and Surgical Sciences and Biotechnologies, University of Rome "La Sapienza", Rome, Italy
| | - P Li Voti
- IRCCS Neuromed Institute, Pozzilli, IS, Italy.
| | - L Ferrante
- Department of Clinical Neurosciences, Neurological Centre of Latium, Rome, Italy
| | - M Visocchi
- Section of Spinal Neurosurgery, Department of Neurosurgery, "Sacro Cuore" Catholic University, Rome, Italy
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Bydon M, Mathios D, Macki M, de la Garza-Ramos R, Sciubba DM, Witham TF, Wolinsky JP, Gokaslan ZL, Bydon A. Long-term patient outcomes after posterior cervical foraminotomy: an analysis of 151 cases. J Neurosurg Spine 2014; 21:727-31. [PMID: 25127430 DOI: 10.3171/2014.7.spine131110] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Object
The authors conducted a study to investigate the rate and timing of reoperation due to symptom recurrence after unilateral posterior cervical foraminotomy (PCF).
Methods
The authors retrospectively reviewed demographic, surgical, and clinical data from 151 patients who underwent unilateral PCF at their institution with an average follow-up of 4.15 years. The main outcome variables were reoperation rate, time to reoperation, and short- and long-term radiculopathy improvement rates. Kaplan-Meier analyses were conducted to assess risk of reoperation and recurrence of radiculopathy over time.
Results
After index PCF in 151 patients, the overall reoperation rate was 9.9% (15 patients). The average time until reoperation was 2.4 years, and the average last follow-up examination was 4.15 years after the first surgery. Patients who presented with preoperative neck pain in addition to radiculopathy had a higher risk for reoperation and a shorter time to reoperation. The majority of patients who underwent a reoperation had an anterior cervical discectomy and fusion (80%). A smaller number of patients had reoperation that included a repeat PCF (6.7%) or laminectomy with posterior cervical fusion (13.3%). The rate of same-level reoperation (6.6%, 10 patients) was significantly higher (p = 0.05) when compared with adjacent-segment (1.3%, 2 patients) or distant-segment (1.9%, 3 patients) reoperation. At last follow-up, the overall rate of improvement in radiculopathy was 85%, with the majority of patients (91.4%) experiencing resolution as early as 1 month after index surgery. Following the subgroup that experienced initial symptom improvement, 16.1% of these patients experienced radiculopathy recurrence an average of 7.3 years after the initial operation. While the reoperation rate for the overall cohort in this series was 9.9%, patients with follow-up periods longer than 2 years had a reoperation rate of 18.3%. Moreover, patients with more than 10 years of follow-up had a reoperation rate of 24.3%.
Conclusions
PCF is a procedure performed to address nerve root compression in the cervical spine. The authors evaluated 151 patients who underwent unilateral PCF and found a reoperation rate of 9.9% at an average of 2.4 years after the initial surgery (6.6% at same level, 3.3% elsewhere). The reoperation rates reached 18.3% and 24.3% in patients with follow-up periods longer than 2 and 10 years, respectively. The authors' analysis revealed that patients with no preoperative neck pain had the lowest rates of revision surgery after PCF.
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Affiliation(s)
- Mohamad Bydon
- 1The Spinal Column Biomechanics and Surgical Outcomes Laboratory, and
- 2Department of Neurosurgery, Johns Hopkins Hospital, Baltimore, Maryland
| | - Dimitrios Mathios
- 1The Spinal Column Biomechanics and Surgical Outcomes Laboratory, and
- 2Department of Neurosurgery, Johns Hopkins Hospital, Baltimore, Maryland
| | - Mohamed Macki
- 1The Spinal Column Biomechanics and Surgical Outcomes Laboratory, and
- 2Department of Neurosurgery, Johns Hopkins Hospital, Baltimore, Maryland
| | - Rafael de la Garza-Ramos
- 1The Spinal Column Biomechanics and Surgical Outcomes Laboratory, and
- 2Department of Neurosurgery, Johns Hopkins Hospital, Baltimore, Maryland
| | - Daniel M. Sciubba
- 1The Spinal Column Biomechanics and Surgical Outcomes Laboratory, and
| | - Timothy F. Witham
- 1The Spinal Column Biomechanics and Surgical Outcomes Laboratory, and
| | | | - Ziya L. Gokaslan
- 1The Spinal Column Biomechanics and Surgical Outcomes Laboratory, and
| | - Ali Bydon
- 1The Spinal Column Biomechanics and Surgical Outcomes Laboratory, and
- 2Department of Neurosurgery, Johns Hopkins Hospital, Baltimore, Maryland
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Cody JP, Kang DG, Tracey RW, Wagner SC, Rosner MK, Lehman RA. Outcomes following cervical disc arthroplasty: a retrospective review. J Clin Neurosci 2014; 21:1901-4. [PMID: 24996853 DOI: 10.1016/j.jocn.2014.05.008] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2014] [Accepted: 05/04/2014] [Indexed: 11/30/2022]
Abstract
Cervical disc arthroplasty has emerged as a viable technique for the treatment of cervical radiculopathy and myelopathy, with the proposed benefit of maintenance of segmental range of motion. There are relatively few, non-industry sponsored studies examining the outcomes and complications of cervical disc arthroplasty. Therefore, we set out to perform a single center evaluation of the outcomes and complications of cervical disc arthroplasty. We performed a retrospective review of all patients from a single military tertiary medical center undergoing cervical disc arthroplasty from August 2008 to August 2012. The clinical outcomes and complications associated with the procedure were evaluated. A total of 219 consecutive patients were included in the review, with an average follow-up of 11.2 (±11.0)months. Relief of pre-operative symptoms was noted in 88.7% of patients, and 92.2% of patients were able to return to full pre-operative activity. There was a low rate of complications related to the anterior cervical approach (3.2% with recurrent laryngeal nerve injury, 8.9% with dysphagia), with no device/implant related complications. Symptomatic cervical radiculopathy is a common problem in both the civilian and active duty military populations and can cause significant disability leading to loss of work and decreased operational readiness. There exist several surgical treatment options for appropriately indicated patients. Based on our findings, cervical disc arthroplasty is a safe and effective treatment for symptomatic cervical radiculopathy and myelopathy, with a low incidence of complications and high rate of symptom relief.
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Affiliation(s)
- John P Cody
- Department of Orthopaedic Surgery, Walter Reed National Military Medical Center, 8901 Wisconsin Avenue, Building 19, Bethesda, MD 20889, USA
| | - Daniel G Kang
- Department of Orthopaedic Surgery, Walter Reed National Military Medical Center, 8901 Wisconsin Avenue, Building 19, Bethesda, MD 20889, USA
| | - Robert W Tracey
- Department of Orthopaedic Surgery, Walter Reed National Military Medical Center, 8901 Wisconsin Avenue, Building 19, Bethesda, MD 20889, USA
| | - Scott C Wagner
- Department of Orthopaedic Surgery, Walter Reed National Military Medical Center, 8901 Wisconsin Avenue, Building 19, Bethesda, MD 20889, USA.
| | - Michael K Rosner
- Department of Neurosurgery, Walter Reed National Military Medical Center, Bethesda, MD, USA
| | - Ronald A Lehman
- Department of Orthopaedic Surgery, Walter Reed National Military Medical Center, 8901 Wisconsin Avenue, Building 19, Bethesda, MD 20889, USA; Division of Orthopaedics, Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, MD, USA
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Biomechanical evaluation of a low-profile, anchored cervical interbody spacer device at the index level or adjacent to plated fusion. Spine (Phila Pa 1976) 2014; 39:E763-9. [PMID: 24732831 DOI: 10.1097/brs.0000000000000344] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
STUDY DESIGN In vitro biomechanical study. OBJECTIVE To test the hypotheses: (1) an anchored spacer device would decrease motion similarly to a plate-spacer construct, and (2) the anchored spacer would achieve a similar reduction in motion when placed adjacent to a previously fused segment. SUMMARY OF BACKGROUND DATA An anchored spacer device has been shown to perform similar to the plate-spacer construct in previous biomechanical evaluation. The prevalence of adjacent segment disease after fusion is well established in the literature.There is currently no evidence supporting the use of an anchored interbody spacer device adjacent to a previous fusion. METHODS Eight human cervical spines (age: 45.1 ± 13.1 yr) were tested in moment control (±1.5 Nm) in flexion-extension, lateral bending, and axial rotation without preload. Flexion-extension was then retested under 150-N preload. Spines were tested intact and after anterior cervical discectomy and fusion (ACDF) at C4-C5 and C6-C7 with either a plate-spacer or anchored spacer construct (randomized). The specimens were tested finally with an ACDF at the floating C5-C6 segment using the anchored spacer device adjacent to the previous fusions. RESULTS Both the plate-spacer and anchored spacer significantly reduced motion from the intact spine in flexion-extension, lateral bending, and axial rotation (P < 0.005). There was no statistically significant difference between the 2 fusion constructs in their abilities to reduce motions (P = 1.0). ACDF using the anchored spacer at the floating C5-C6 level (in between the plate-spacer and anchored spacer constructs) resulted in significant motion reductions in all modes of testing (P < 0.05). These motion reductions did not significantly differ from those of a single-level anchored-spacer construct or a single-level plated ACDF. CONCLUSION The anchored spacer provided significant motion reductions, similar to a plated ACDF, when used as a single-level fusion construct or placed adjacent to a previously plated segment. LEVEL OF EVIDENCE N/A.
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Diagnostic usefulness of white blood cell and absolute neutrophil count for postoperative infection after anterior cervical discectomy and fusion using allograft and demineralized bone matrix. Asian Spine J 2013; 7:173-7. [PMID: 24066211 PMCID: PMC3779767 DOI: 10.4184/asj.2013.7.3.173] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/12/2012] [Revised: 05/18/2012] [Accepted: 05/18/2012] [Indexed: 11/18/2022] Open
Abstract
Study Design Prospective study. Purpose We investigated normative temporal levels of white blood cell (WBC) and absolute neutrophil count (ANC) in uncomplicated anterior cervical discectomy and fusion (ACDF) using allograft and demineralized bone matrix (DBM). Overview of Literature No study has investigated the diagnostic usefulness of WBC and ANC for postoperative infection following ACDF using allograft and DBM. Methods Blood samples of 85 patients, who underwent one or two-level ACDF, were obtained and evaluated before surgery and on the first, third, fifth, seventh, fourteenth, thirtieth, and ninetieth postoperative days. No infection was found in all patients for at least one year follow-up period. Results Mean WBC and ANC values increased significantly and reached peak levels on the first postoperative day. The peaked levels rapidly decreased but still remained elevated above the preoperative levels on the third postoperative day. The levels returned close to the preoperative levels on the fifth postoperative day. The mean WBC and ANC values did not get out of their normal reference ranges throughout the follow-up periods. One-level and two-level ACDF exhibited a similar course of postoperative changes in WBC and ANC values and no significant difference in mean levels of WBC and ANC throughout the follow-up periods. Conclusions Uncomplicated ACDF using allograft and DBM showed normal values of WBC and ANC during the early postoperative period. Therefore, significant abnormal values of WBC and ANC at an early postoperative period suggest the possibility of the development of acute postoperative infection after ACDF using allograft and DBM.
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Kuzma SA, Doberstein ST, Rushlow DR. Postfixed brachial plexus radiculopathy due to thoracic disc herniation in a collegiate wrestler: a case report. J Athl Train 2013; 48:710-5. [PMID: 23952042 DOI: 10.4085/1062-6050-48.5.03] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
OBJECTIVE To present the unique case of a collegiate wrestler with C7 neurologic symptoms due to T1-T2 disc herniation. BACKGROUND A 23-year-old male collegiate wrestler injured his neck in a wrestling tournament match and experienced pain, weakness, and numbness in his left upper extremity. He completed that match and 1 additional match that day with mild symptoms. Evaluation by a certified athletic trainer 6 days postinjury showed radiculopathy in the C7 distribution of his left upper extremity. He was evaluated further by the team physician, a primary care physician, and a neurosurgeon. DIFFERENTIAL DIAGNOSIS Cervical spine injury, stinger/burner, peripheral nerve injury, spinal cord injury, thoracic outlet syndrome, brachial plexus radiculopathy. TREATMENT The patient initially underwent nonoperative management with ice, heat, massage, electrical stimulation, shortwave diathermy, and nonsteroidal anti-inflammatory drugs without symptom resolution. Cervical spine radiographs were negative for bony pathologic conditions. Magnetic resonance imaging showed evidence of T1-T2 disc herniation. The patient underwent surgery to resolve the symptoms and enable him to participate for the remainder of the wrestling season. UNIQUENESS Whereas brachial plexus radiculopathy commonly is seen in collision sports, a postfixed brachial plexus in which the T2 nerve root has substantial contribution to the innervation of the upper extremity is a rare anatomic variation with which many health care providers are unfamiliar. CONCLUSIONS The injury sustained by the wrestler appeared to be C7 radiculopathy due to a brachial plexus traction injury. However, it ultimately was diagnosed as radiculopathy due to a T1-T2 thoracic intervertebral disc herniation causing impingement of a postfixed brachial plexus and required surgical intervention. Athletic trainers and physicians need to be aware of the anatomic variations of the brachial plexus when evaluating and caring for patients with suspected brachial plexus radiculopathies.
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Chin KR, Ricchetti ET, Yu WD, Riew KD. Less exposure surgery for multilevel anterior cervical fusion using 2 transverse incisions. J Neurosurg Spine 2012; 17:194-8. [DOI: 10.3171/2012.5.spine111112] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Multilevel anterior cervical fusion often necessitates a large extensile incision for exposure and substantial retraction of the esophagus for placing long plates, potentially predisposing patients to complications such as dysphagia, dysphonia, and neurovascular injury. To the authors' knowledge, the use of 2 incisions as an option has not been published, and so it is not intuitive to young surgeons or widely practiced. In this report, the authors discuss the advantages and raise awareness of using 2 incisions for multilevel anterior cervical fusion, and they document a safe skin bridge length. They also describe the advantages of using 2 incisions for performing multilevel anterior cervical fusion either at contiguous or noncontiguous levels as in adjacent-segment disease. By using the 2-incision technique, the authors made the surgery technically easier and diminished the amount of esophageal retraction otherwise needed through 1 long transverse or longitudinal incision. A skin bridge of 3 cm was safe.
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Affiliation(s)
- Kingsley R. Chin
- 1Institute for Modern & Innovative Surgery, Fort Lauderdale, Florida
| | - Eric T. Ricchetti
- 2Department of Orthopaedic Surgery, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania
| | - Warren D. Yu
- 3Department of Orthopaedic Surgery, George Washington University School of Medicine, Washington, DC; and
| | - K. Daniel Riew
- 4Departments of Neurological Surgery and Surgery, Washington University School of Medicine in St. Louis, Missouri
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Postoperative changes of early-phase inflammatory indices after uncomplicated anterior cervical discectomy and fusion using allograft and demineralised bone matrix. INTERNATIONAL ORTHOPAEDICS 2012; 36:2293-7. [PMID: 22918410 DOI: 10.1007/s00264-012-1645-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2012] [Accepted: 08/07/2012] [Indexed: 10/28/2022]
Abstract
PURPOSES We investigated sequential levels of C-reactive protein (CRP) and erythrocyte sedimentation rate (ESR) in uncomplicated ACDF (anterior cervical discectomy and fusion) using allograft and DBM (demineralised bone matrix) for primary cervical spondylosis and/or disc herniation. To our knowledge, there has been no study to investigate the diagnostic value of CRP and ESR for postoperative infection in ACDF using allograft and DBM. METHODS Blood samples of 85 patients, who underwent one- (n = 51) or two-level (n = 34) ACDF, were obtained and evaluated before surgery and on the first, third, fifth, seventh, 14th, 30th, and 90th postoperative days. No infection was found in any patient for at least one year follow-up period. RESULTS Mean CRP value increased significantly on the first postoperative day and reached a peak on the third postoperative day. The peak level rapidly decreased but remained elevated on the fifth, seventh, and 14th postoperative days. Mean ESR value increased significantly and reached a peak on the third postoperative day. The peak level gradually decreased but remained elevated on the fifth and seventh postoperative days. One- and two-level ACDF exhibited similar postoperative changes in CRP and ESR values and no significant difference in mean levels of CRP and ESR throughout the follow-up periods. CONCLUSIONS This study demonstrates that uncomplicated ACDF using allograft and DBM showed significant abnormal values of CRP and ESR during the early postoperative period. This result suggests that abnormal values of CRP and ESR in the early postoperative period do not indicate acute postoperative infection after ACDF using allograft and DBM. Straying from the normal course, such as a second rise or a failure to decrease, of CRP and ESR is more important to signpost acute postoperative infection in ACDF using allograft and DBM.
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Abstract
STUDY DESIGN Systematic review. OBJECTIVE The primary aim of this review was to evaluate clinical and radiographic outcomes in studies of anterior cervical discectomy and fusion (ACDF) using allograft versus ACDF with autograft, ACDF with cage devices, and cervical disc arthroplasty for the treatment of symptomatic cervical disc disease. SUMMARY OF BACKGROUND DATA ACDF remains the standard of care for patients with cervical radiculopathy who are unresponsive to conservative medical care. However, no known study has compared patient outcomes after ACDF with allograft, ACDF with autograft, ACDF with cage, and disc arthroplasty. METHODS After applying strict inclusion criteria, 21 comparisons from 20 studies formed the basis for this review. Patient outcomes included neck and arm pain, neck disability index (NDI), physical component summary (PCS), and mental component summary (MCS) scores from the SF-36, radiographic fusion rate, and select adverse events (e.g., wound infection, dysphagia, and adjacent segment degeneration). RESULTS The four treatment groups included ACDF with allograft (allograft, n = 1341), ACDF with autograft (autograft, n = 568), ACDF with cage (cage, n = 87), and cervical disc arthroplasty (arthroplasty, n = 603). Neck pain was reduced similarly by 63% to 69% in all groups. Comparable improvements were realized in arm pain after ACDF with allograft (75%) or arthroplasty (73%) that were greater than other treatment groups (62-68%). There was notable improvement in neck disability (61-65%) with allograft and arthroplasty after treatment. PCS scores improved with allograft (42%) and arthroplasty (44%). MCS scores improved modestly (16-21%) with allograft and arthroplasty. Fusion rates were 91% for allograft and autograft and 97% for cage. Adverse events were uncommon in all groups. CONCLUSION ACDF with allograft, ACDF with autograft, ACDF with cage, and cervical disc arthroplasty show similar improvements in pain, function, and quality of life with correspondingly low adverse event rates. All ACDF procedures result in high fusion rates.
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Treatment of patients with degenerative cervical radiculopathy using a multimodal conservative approach in a geriatric population: a case series. J Orthop Sports Phys Ther 2011; 41:723-33. [PMID: 21891879 DOI: 10.2519/jospt.2011.3592] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
STUDY DESIGN Retrospective clinical case series. OBJECTIVE To describe the management of 10 patients with advanced cervical spondyloarthrosis with radiculopathy, using manual therapy, intermittent mechanical cervical traction, and home exercises. BACKGROUND Predictors and short-term outcomes of cervical radiculopathy have been published. These predictors have not been developed for, or applied to, geriatric patients with spondylitic radiculopathy. CASE DESCRIPTION A series of 10 patients (aged 67 to 82 years) were referred to a physical therapist for medically prediagnosed cervical spondyloarthrosis and radiculopathy, as determined by magnetic resonance imaging. Neck Disability Index (NDI), numeric pain rating scale (NPRS), upper limb tension testing, Spurling's test, and the cervical distraction test were all completed on each patient at initial examination and at discharge. NDI and NPRS data were also collected at 6 months posttreatment. Intervention included manual therapy (including high-velocity low-amplitude thrust manipulation) of the upper thoracic and cervical spine, intermittent mechanical cervical traction, and a home program (including deep cervical flexor strengthening) for 6 to 12 sessions over a period of 3 to 6 weeks. OUTCOMES All 10 patients had substantial improvement in NPRS and NDI scores. The mean NPRS score was less than 1/10, and the mean NDI score was 6/50 at discharge, compared to the original mean NPRS and NDI scores of 5.7 and 27.4, respectively. All patients reported maintaining those gains for 6 months. DISCUSSION A multimodal approach for patients diagnosed with cervical spondyloarthrosis with radicular symptoms was useful in this geriatric population to reduce pain, minimize radicular symptoms, and improve functional outcomes. LEVEL OF EVIDENCE Therapy, level 4.
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Posterior Laminoforaminotomy for Cervical Radiculopathy. Tech Orthop 2011. [DOI: 10.1097/bto.0b013e31822cbd64] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Current Concept on the Surgical Treatment by Anterior Approach in Degenerative Cervical Radiculopathy. ACTA ACUST UNITED AC 2011. [DOI: 10.4184/jkss.2011.18.1.34] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Reyes-Sanchez A, Miramontes V, Olivarez LMR, Aquirre AA, Quiroz AO, Zarate-Kalfopulos B. Initial clinical experience with a next-generation artificial disc for the treatment of symptomatic degenerative cervical radiculopathy. SAS JOURNAL 2010; 4:9-15. [PMID: 25802644 PMCID: PMC4365607 DOI: 10.1016/j.esas.2010.01.002] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Background A feasibility trial was conducted to evaluate the initial safety and clinical use of a next-generation artificial cervical disc (M6-C artificial cervical disc; Spinal Kinetics, Sunnyvale, CA) for the treatment of patients with symptomatic degenerative cervical radiculopathy. A standardized battery of validated outcome measures was utilized to assess condition-specific functional impairment, pain severity, and quality of life. Methods Thirty-six consecutive patients were implanted with the M6-C disc and complete clinical and radiographic outcomes for 25 patients (mean age, 44.5 ± 10.1 years) with radiographically-confirmed cervical disc disease and symptomatic radiculopathy unresponsive to conservative medical management are included in this report. All patients had disc-osteophyte complex causing neural compression and were treated with discectomy and artificial cervical disc replacement at either single level (n = 12) or 2-levels (n = 13). Functional impairment was evaluated using the Neck Disability Index (NDI). Evaluation of arm and neck pain severity utilized a standard 11-point numeric scale, and health-related quality of life was evaluated with the SF-36 Health Survey. Quantitative radiographic assessments of intervertebral motion were performed using specialized motion analysis software, QMA (Quantitative Motion Analysis; Medical Metrics, Houston, TX). All outcome measures were evaluated pre-treatment and at 6 weeks, 3, 6, 12, and 24 months. Results The mean NDI score improved from 51.6 ± 11.3% pre-treatment to 27.9 ± 16.9% at 24 months, representing an approximate 46% improvement (P <.0001). The mean arm pain score improved from 6.9 ± 2.5 pre-treatment to 3.9 ± 3.1 at 24 months (43%, P =.0006). The mean neck pain score improved from 7.8 ± 2.0 pre-treatment to 3.8 ± 3.0 at 24 months (51%, P <.0001). The mean PCS score of the SF-36 improved from 34.8 ± 7.8 pre-treatment to 43.8 ± 9.3 by 24 months (26%, P =.0006). Subgroup analyses found that patients treated at single level and those with a shorter duration of symptoms showed better functional results. By 24 months, the mean range of motion (ROM) value at the treated level had returned to approximately pretreatment levels (12.2° vs 11.1°). There were no serious device-related adverse events, surgical re-interventions or radiographic evidence of heterotopic ossification, device migration, or expulsion in this study group. Conclusions These findings indicate substantial clinical improvement for all function, pain, and quality of life outcomes in addition to maintenance of ROM and increase in disc height at the treated level(s). The findings also exhibit an acceptable safety profile, as indicated by the absence of serious adverse events and reoperations following arthroplasty with a next-generation artificial cervical disc replacement device.
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Affiliation(s)
- Alejandro Reyes-Sanchez
- Corresponding author: Alejandro Reyes-Sanchez, M.D., Instituto Nacional de Rehabilitacion, Division de Cirugia Especial-Columna Vertebral, Calz. Mexico Xochimilco No. 289 Col. Arenal de Guadalupe, C. P. 14389, Mexico City, Mexico. E-mail address:
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Rao RD, Currier BL, Albert TJ, Bono CM, Marawar SV, Poelstra KA, Eck JC. Degenerative cervical spondylosis: clinical syndromes, pathogenesis, and management. J Bone Joint Surg Am 2007; 89:1360-78. [PMID: 17575617 DOI: 10.2106/00004623-200706000-00026] [Citation(s) in RCA: 102] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- Raj D Rao
- Department of Orthopaedic Surgery, Medical College of Wisconsin, 9200 West Wisconsin Avenue, Milwaukee, WI 53226, USA
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Korinth MC, Krüger A, Oertel MF, Gilsbach JM. Posterior foraminotomy or anterior discectomy with polymethyl methacrylate interbody stabilization for cervical soft disc disease: results in 292 patients with monoradiculopathy. Spine (Phila Pa 1976) 2006; 31:1207-14; discussion 1215-6. [PMID: 16688033 DOI: 10.1097/01.brs.0000217604.02663.59] [Citation(s) in RCA: 58] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
STUDY DESIGN Retrospective study of patients who underwent either ventral microdiscectomy and polymethyl methacrylate (PMMA) interbody stabilization or posterior foraminotomy for the treatment of cervical monoradiculopathy caused by soft disc disease. OBJECTIVES To evaluate the long-term outcome after 2 different surgical procedures in the treatment of cervical radiculopathy, compare them with each other and with previous data from other surgical techniques, and outline the indications, advantages, and disadvantages of each procedure. SUMMARY OF BACKGROUND DATA Cervical disc disease can lead to morphologic different disc lesions, which again may differ in clinical presentation, operative treatment, and outcome. This study provides a clinical long-term follow-up of ventral and dorsal approaches. METHODS Follow-up evaluation (mean 72.1 +/- 25.9 months) after surgery of monoradicular symptoms was performed in 292 patients. Patients with hard disc disease, myelopathy, neoplasms, or traumatic or recurrent cervical disc disease were excluded. A total of 124 patients (42.5%) underwent ventral microdiscectomy and PMMA stabilization (group A), and in 168 patients (57.5%), a posterior foraminotomy was performed (group B). The outcome was determined according to Odom criteria based on a questionnaire or a telephone interview and was related to the following variables: morphologic findings, neurologic findings, duration of symptoms, operation technique applied, age, sex, and cervical level involved. RESULTS The success rate (Odom I + II) without consideration of morphologic findings was higher after anterior microdiscectomy with PMMA stabilization (93.6%) than after posterior foraminotomy (85.1%) (P < 0.05). The success rate was higher in cases with pure soft discs in both groups (A: 96.6%; B: 85.8%) than in cases with a mixture of soft and hard discs (A: 90.6%; B: 80%), without gaining statistical significance. Complications related to surgery occurred in 6.5% (group A) and 1.8% (group B) of patients (P < 0.05). CONCLUSION The findings show that apparently a higher success rate results after anterior microdiscectomy with PMMA interbody stabilization for treatment of degenerative cervical monoradiculopathy than after posterior foraminotomy. Considering the type of morphology of the pathology that causes the radiculopathy, pure soft discs have a better outcome than mixtures of soft and hard discs, independent of the chosen approach. Although statistically significant differences in clinical data were found in both groups, both approaches seem to have equivalent value in individual indications.
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Affiliation(s)
- Marcus C Korinth
- Department of Neurosurgery, University Hospital RWTH Aachen, Aachen, Germany.
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Bertagnoli R, Yue JJ, Pfeiffer F, Fenk-Mayer A, Lawrence JP, Kershaw T, Nanieva R. Early results after ProDisc-C cervical disc replacement. J Neurosurg Spine 2005; 2:403-10. [PMID: 15871478 DOI: 10.3171/spi.2005.2.4.0403] [Citation(s) in RCA: 97] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Object. Cervical anterior decompression and total-disc replacement is currently being investigated as an alternative treatment in patients with symptomatic intervertebral cervical spondylosis with and without radiculopathy. The authors prospectively investigated the safety and efficacy of using the ProDisc-C disc for cervical arthroplasty in the treatment of symptomatic cervical spondylosis.
Methods. Sixteen patients in whom a diagnosis of symptomatic cervical spondylosis had been established were prospectively treated with complete anterior cervical discectomy and ProDisc-C cervical disc arthroplasty. Overall 12 single- and four two-level procedures were performed (20 prostheses). Patients underwent pre- and multiple postoperative assessments (3 and 6 weeks and 3, 6, and 12 months).
The median age of all patients was 50 years (range 32–60 years). Levels of surgery included seven C5–6, six C6–7, and three C4–5. Neck and arm pain as well as disability scores were significantly improved by 3 months and remained significantly improved at 1 year. No additional fusion surgeries were necessary at the affected or unaffected levels. Radiography revealed an affected disc motion from 4 to 12°. No surgery- or device-related complications were documented.
Conclusions. Analysis of preliminary results involving ProDisc-C arthroplasty indicates significant improvement in pain and functional outcome scores. No spontaneous fusions at the level of surgery or at adjacent levels were noted. Long-term follow-up studies will be necessary before more definitive treatment recommendations can be formulated.
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Affiliation(s)
- Rudolf Bertagnoli
- Department of Orthopaedic Surgery, Spine Center, St Elizabeth Klinikum, Straubing, Germany
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