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Lavigne É, Abdulaziz KE, Murphy MS, Stanescu C, Dingwall-Harvey AL, Stieb DM, Walker MC, Wen SW, Shin HH. Associations of neighborhood greenspace, and active living environments with autism spectrum disorders: A matched case-control study in Ontario, Canada. ENVIRONMENTAL RESEARCH 2024; 252:118828. [PMID: 38583657 DOI: 10.1016/j.envres.2024.118828] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 03/13/2024] [Accepted: 03/28/2024] [Indexed: 04/09/2024]
Abstract
BACKGROUND Increasing evidence links early life residential exposure to natural urban environmental attributes and positive health outcomes in children. However, few studies have focused on their protective effects on the risk of autism spectrum disorder (ASD). The aim of this study was to investigate the associations of neighborhood greenspace, and active living environments during pregnancy with ASD in young children (≤6 years). METHODS We conducted a population-based matched case-control study of singleton term births in Ontario, Canada for 2012-2016. The ASD and environmental data was generated using the Ontario Autism Spectrum Profile, the Better Outcomes Registry & Network Ontario, and Canadian Urban Environmental Health Research Consortium. We employed conditional logistic regressions to estimate the odds ratio (OR) between ASD and environmental factors characterizing selected greenspace metrics and neighborhoods conducive to active living (i.e., green view index (GVI), normalized difference vegetation index (NDVI), tree canopy, park proximity and active living environments index (ALE)). RESULTS We linked 8643 mother-child pairs, including 1554 cases (18%). NDVI (OR 1.034, 0.944-1.024, per Inter Quartile Range [IQR] = 0.08), GVI (OR 1.025, 95% CI 0.953-1.087, per IQR = 9.45%), tree canopy (OR 0.992, 95% CI 0.903-1.089, per IQR = 6.24%) and the different categories of ALE were not associated with ASD in adjusted models for air pollution. In contrast, living closer to a park was protective (OR 0.888, 0.833-0.948, per 0.06 increase in park proximity index), when adjusted for air pollution. CONCLUSIONS This study reported mixed findings showing both null and beneficial effects of green spaces and active living environments on ASD. Further investigations are warranted to elucidate the role of exposure to greenspaces and active living environments on the development of ASD.
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Affiliation(s)
- Éric Lavigne
- Environmental Health Science and Research Bureau, Health Canada, Ottawa, Ontario, Canada; School of Epidemiology and Public Health, University of Ottawa, Ottawa, Ontario, Canada
| | - Kasim E Abdulaziz
- School of Epidemiology and Public Health, University of Ottawa, Ottawa, Ontario, Canada; Better Outcomes Registry & Network (BORN) Ontario, Children's Hospital of Eastern Ontario, Ottawa, Ontario, Canada; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada
| | - Malia Sq Murphy
- Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada
| | - Cristina Stanescu
- Environmental Health Science and Research Bureau, Health Canada, Ottawa, Ontario, Canada
| | - Alysha Lj Dingwall-Harvey
- Better Outcomes Registry & Network (BORN) Ontario, Children's Hospital of Eastern Ontario, Ottawa, Ontario, Canada; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada
| | - David M Stieb
- Environmental Health Science and Research Bureau, Health Canada, Ottawa, Ontario, Canada; School of Epidemiology and Public Health, University of Ottawa, Ottawa, Ontario, Canada
| | - Mark C Walker
- School of Epidemiology and Public Health, University of Ottawa, Ottawa, Ontario, Canada; Better Outcomes Registry & Network (BORN) Ontario, Children's Hospital of Eastern Ontario, Ottawa, Ontario, Canada; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada; Children's Hospital of Eastern Ontario Research Institute, Ottawa, Ontario, Canada; Department of Obstetrics and Gynecology, University of Ottawa, Ottawa, Ontario, Canada; Department of Obstetrics, Gynecology & Newborn Care, The Ottawa Hospital, Ottawa, Ontario, Canada; International and Global Health Office, University of Ottawa, Ottawa, Canada
| | - Shi Wu Wen
- School of Epidemiology and Public Health, University of Ottawa, Ottawa, Ontario, Canada; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada; Department of Obstetrics and Gynecology, University of Ottawa, Ottawa, Ontario, Canada; Department of Obstetrics, Gynecology & Newborn Care, The Ottawa Hospital, Ottawa, Ontario, Canada
| | - Hwashin Hyun Shin
- Environmental Health Science and Research Bureau, Health Canada, Ottawa, Ontario, Canada; Department of Mathematics and Statistics, Queen's University, Kingston, Ontario, Canada.
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Borja AJ, Karsalia R, Chauhan D, Gallagher RS, Malhotra EG, Punchak MA, Na J, McClintock SD, Marcotte PJ, Yoon JW, Ali ZS, Malhotra NR. Association Between Race and Short-Term Outcomes Across 3988 Consecutive Single-Level Spinal Fusions. Neurosurgery 2024:00006123-990000000-01046. [PMID: 38334372 DOI: 10.1227/neu.0000000000002860] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Accepted: 12/09/2023] [Indexed: 02/10/2024] Open
Abstract
BACKGROUND AND OBJECTIVES Race has implications for access to medical care. However, the impact of race, after access to care has been attained, remains poorly understood. The objective of this study was to isolate the relationship between race and short-term outcomes across patients undergoing a single, common neurosurgical procedure. METHODS In this retrospective cohort study, 3988 consecutive patients undergoing single-level, posterior-only open lumbar fusion at a single, multihospital, academic medical center were enrolled over a 6-year period. Among them, 3406 patients self-identified as White, and 582 patients self-identified as Black. Outcome disparities between all White patients vs all Black patients were estimated using logistic regression. Subsequently, coarsened exact matching controlled for outcome-mitigating factors; White and Black patients were exact-matched 1:1 on key demographic and health characteristics (matched n = 1018). Primary outcomes included 30-day and 90-day hospital readmissions, emergency department (ED) visits, reoperations, mortality, discharge disposition, and intraoperative complication. RESULTS Before matching, Black patients experienced increased rate of nonhome discharge, readmissions, ED visits, and reoperations (all P < .001). After exact matching, Black patients were less likely to be discharged to home (odds ratio [OR] 2.68, P < .001) and had higher risk of 30-day and 90-day readmissions (OR 2.24, P < .001; OR 1.91, P < .001; respectively) and ED visits (OR 1.79, P = .017; OR 2.09, P < .001). Black patients did not experience greater risk of intraoperative complication (unintentional durotomy). CONCLUSION Between otherwise homogenous spinal fusion cohorts, Black patients experienced unfavorable short-term outcomes. These disparities were not explained by differences in intraoperative complications. Further investigation must characterize and mitigate institutional and societal factors that contribute to outcome disparities.
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Affiliation(s)
- Austin J Borja
- Department of Neurosurgery, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Ritesh Karsalia
- Department of Neurosurgery, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Daksh Chauhan
- Department of Neurosurgery, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Ryan S Gallagher
- Department of Neurosurgery, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Emelia G Malhotra
- Department of Neurosurgery, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Maria A Punchak
- Department of Neurosurgery, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Jianbo Na
- McKenna EpiLog Fellowship in Population Health at the Department of Neurosurgery, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Scott D McClintock
- Department of Mathematics, The West Chester Statistical Institute, West Chester University, West Chester, Pennsylvania, USA
| | - Paul J Marcotte
- Department of Neurosurgery, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Jang W Yoon
- Department of Neurosurgery, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Zarina S Ali
- Department of Neurosurgery, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Neil R Malhotra
- Department of Neurosurgery, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA
- McKenna EpiLog Fellowship in Population Health at the Department of Neurosurgery, University of Pennsylvania, Philadelphia, Pennsylvania, USA
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Ng GY, Karsalia R, Gallagher RS, Borja AJ, Na J, McClintock SD, Malhotra NR. The Impact of Neighborhood Socioeconomic Disadvantage on Operative Outcomes after Single-Level Lumbar Fusion. World Neurosurg 2023; 180:e440-e448. [PMID: 37757946 DOI: 10.1016/j.wneu.2023.09.085] [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: 06/20/2023] [Revised: 09/19/2023] [Accepted: 09/20/2023] [Indexed: 09/29/2023]
Abstract
INTRODUCTION The relationship between socioeconomic status and neurosurgical outcomes has been investigated with respect to insurance status or median household income, but few studies have considered more comprehensive measures of socioeconomic status. This study examines the relationship between Area Deprivation Index (ADI), a comprehensive measure of neighborhood socioeconomic disadvantage, and short-term postoperative outcomes after lumbar fusion surgery. METHODS 1861 adult patients undergoing single-level, posterior-only lumbar fusion at a single, multihospital academic medical center were retrospectively enrolled. An ADI matching protocol was used to identify each patient's 9-digit zip code and the zip code-associated ADI data. Primary outcomes included 30- and 90-day readmission, emergency department visits, reoperation, and surgical complication. Coarsened exact matching was used to match patients on key demographic and baseline characteristics known to independently affect neurosurgical outcomes. Odds ratios (ORs) were computed to compare patients in the top 10% of ADI versus lowest 40% of ADI. RESULTS After matching (n = 212), patients in the highest 10% of ADI (compared to the lowest 40% of ADI) had significantly increased odds of 30- and 90-day readmission (OR = 5.00, P < 0.001 and OR = 4.50, P < 0.001), ED visits (OR = 3.00, P = 0.027 and OR = 2.88, P = 0.007), and reoperation (OR = 4.50, P = 0.039 and OR = 5.50, P = 0.013). There was no significant association with surgical complication (OR = 0.50, P = 0.63). CONCLUSIONS Among otherwise similar patients, neighborhood socioeconomic disadvantage (measured by ADI) was associated with worse short-term outcomes after single-level, posterior-only lumbar fusion. There was no significant association between ADI and surgical complications, suggesting that perioperative complications do not explain the socioeconomic disparities in outcomes.
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Affiliation(s)
- Grace Y Ng
- Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Bostom, Massachusetts, USA
| | - Ritesh Karsalia
- Department of Neurosurgery, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Ryan S Gallagher
- Department of Neurosurgery, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Austin J Borja
- Department of Neurosurgery, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Jianbo Na
- McKenna EpiLog Fellowship in Population Health, The University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Scott D McClintock
- Department of Mathematics, The West Chester Statistical Institute, West Chester University, West Chester, Pennsylvania, USA
| | - Neil R Malhotra
- Department of Neurosurgery, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA; McKenna EpiLog Fellowship in Population Health, The University of Pennsylvania, Philadelphia, Pennsylvania, USA.
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Torabian KA, Cherian NJ, Dean MC, Eberlin CT, Kucharik MP, Dowley KS, LaPorte ZL, Martin SD. Outcomes of Hip Arthroscopy in the Setting of Concomitant Symptomatic Lumbosacral Spine Pathology: A Matched Control Study With Minimum 24-Month Follow-up. Am J Sports Med 2023; 51:3268-3279. [PMID: 37715499 PMCID: PMC10571439 DOI: 10.1177/03635465231197374] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Accepted: 07/20/2023] [Indexed: 09/17/2023]
Abstract
BACKGROUND The overlapping biomechanical relationship between the lumbosacral spine and pelvis poses unique challenges to patients with concomitant pathologies limiting spinopelvic range of motion. PURPOSE To assess the influence of concomitant, symptomatic lumbosacral spine pathology on patient-reported outcome measures (PROMs) after hip arthroscopy for the treatment of femoroacetabular impingement (FAI) and symptomatic labral tears. STUDY DESIGN Cohort study; Level of evidence, 3. METHODS A retrospective query of prospectively collected data identified patients aged ≥18 years with a minimum 24-month follow-up who underwent hip arthroscopy by a single surgeon for the treatment of symptomatic labral tears secondary to FAI. Patients were stratified into cohorts based on the presence (hip-spine [HS]) or absence (matched control [MC]) of symptomatic lumbosacral spine pathology. Inclusion within the HS cohort required confirmation of lower back pain/symptoms on preoperative surveys plus a diagnosis of lumbosacral spine pathology verified by radiology reports and correlating clinical documentation. Patients with previous spine surgery were excluded. PROMs were compared between groups, along with rates of achieving minimal clinically important difference (MCID) thresholds, Patient Acceptable Symptom State (PASS) thresholds, revision arthroscopy, and conversion to total hip arthroplasty (THA). RESULTS A total of 70 patients with lumbosacral pathology were coarsened exact matched to 87 control patients without spinal pathology. The HS cohort had preoperative baseline scores that were significantly worse for nearly all PROMs. Follow-ups at 3, 6, 12, and 24 months displayed similar trends, with the HS cohort demonstrating significantly worse scores for most collected outcomes. However, at every time point, HS and MC patients exhibited similar magnitudes of improvement across all PROM and pain metrics. Furthermore, while significantly fewer HS patients achieved PASS for nearly all PROMs at 12- and 24-month follow-ups, MCID thresholds were reached at similar or greater rates across all PROMs relative to the MC cohort. Finally, there were no significant differences in rates of revision or THA between cohorts at maximum available follow-up. CONCLUSION After hip arthroscopy to address labral tears in the setting of FAI, patients with symptomatic lumbosacral pathologies and no history of spine surgery were found to exhibit inferior pre- and postoperative PROMs but achieved statistically similar clinical benefit and rates of PROM improvement through 24-month follow-up compared with the MC cohort with isolated hip disease. These findings aid in providing a realistic recovery timeline and evidence that coexisting hip and spine disorders are not a contraindication for arthroscopic hip preservation surgery.
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Affiliation(s)
- Kaveh A. Torabian
- Department of Orthopaedic Surgery, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Nathan J. Cherian
- Department of Orthopaedic Surgery, University of Nebraska, Omaha, Nebraska, USA
| | - Michael C. Dean
- Department of Orthopaedic Surgery, Massachusetts General Hospital, Boston, Massachusetts, USA
| | | | - Michael P. Kucharik
- Department of Orthopaedic Surgery, University of South Florida, Tampa, Florida, USA
| | - Kieran S. Dowley
- Department of Orthopaedic Surgery, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Zachary L. LaPorte
- Department of Orthopaedic Surgery, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Scott D. Martin
- Department of Orthopaedic Surgery, Massachusetts General Hospital, Boston, Massachusetts, USA
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Sum G, Sim SYH, Chay J, Ho SH, Ginting ML, Lim ZZB, Yoong J, Wong CH. An Integrated Patient-Centred Medical Home (PCMH) Care Model Reduces Prospective Healthcare Utilisation for Community-Dwelling Older Adults with Complex Needs: A Matched Observational Study in Singapore. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:6848. [PMID: 37835116 PMCID: PMC10572627 DOI: 10.3390/ijerph20196848] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2023] [Revised: 08/04/2023] [Accepted: 09/19/2023] [Indexed: 10/15/2023]
Abstract
The global ageing population is associated with increased health service use. The PCMH care model integrates primary care and home-based care management to deliver comprehensive and personalised healthcare to community-dwelling older adults with bio-psycho-social needs. We examined if an integrated PCMH reduced healthcare utilisation burden of older persons in Singapore. We compared the healthcare utilisation between the intervention group and coarsened exact matched controls for a follow-up of 15 months. Baseline matching covariates included socio-demographics, health status, and past healthcare use. We accounted for COVID-19 social distancing effects on health-seeking behaviour. The intervention group consisted of 165 older adults with complex needs. We analysed national administrative healthcare utilisation data from 2017 to 2020. We applied multivariable zero-inflated regression modelling and presented findings stratified by high (CCI ≥ 5) and low disease burden (CCI < 5). Compared to controls, there were significant reductions in emergency department (β = -0.85; 95%CI = -1.55 to -0.14) and primary care visits (β = -1.70; 95%CI = -2.17 to -1.22) and a decrease in specialist outpatient visits (β = -0.29; 95%CI = -0.64 to 0.07) in the 3-month period immediately after one-year enrolment. The number of acute hospitalisations remained stable. Compared to controls, the intervention group with high and low comorbidity burden had significant decreases in primary care use, while only those with lower comorbidity burden had significant reductions in utilisation of other service types. An integrated PCMH appears beneficial in reducing healthcare utilisation for older persons with complex needs after 1 year in the programme. Future research can explore longer-term utilisation and scalability of the care model.
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Affiliation(s)
- Grace Sum
- Geriatric Education and Research Institute, Singapore 768024, Singapore; (S.Y.H.S.); (S.H.H.); (M.L.G.); (J.Y.)
| | - Silvia Yu Hui Sim
- Geriatric Education and Research Institute, Singapore 768024, Singapore; (S.Y.H.S.); (S.H.H.); (M.L.G.); (J.Y.)
| | - Junxing Chay
- Lien Centre for Palliative Care, Duke-NUS Medical School, Singapore 169857, Singapore;
| | - Soon Hoe Ho
- Geriatric Education and Research Institute, Singapore 768024, Singapore; (S.Y.H.S.); (S.H.H.); (M.L.G.); (J.Y.)
| | - Mimaika Luluina Ginting
- Geriatric Education and Research Institute, Singapore 768024, Singapore; (S.Y.H.S.); (S.H.H.); (M.L.G.); (J.Y.)
| | - Zoe Zon Be Lim
- Geriatric Education and Research Institute, Singapore 768024, Singapore; (S.Y.H.S.); (S.H.H.); (M.L.G.); (J.Y.)
| | - Joanne Yoong
- Geriatric Education and Research Institute, Singapore 768024, Singapore; (S.Y.H.S.); (S.H.H.); (M.L.G.); (J.Y.)
- Research for Impact, Singapore 159964, Singapore
| | - Chek Hooi Wong
- Research for Impact, Singapore 159964, Singapore
- Health Services and Systems Research, Duke-NUS Medical School, Singapore 169857, Singapore
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Borja AJ, Ahmad HS, Tomlinson SB, Na J, McClintock SD, Welch WC, Marcotte PJ, Ozturk AK, Malhotra NR. "July Effect" in Spinal Fusions: A Coarsened Exact-Matched Analysis. Neurosurgery 2023; 92:623-631. [PMID: 36700756 DOI: 10.1227/neu.0000000000002256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Accepted: 09/21/2022] [Indexed: 01/27/2023] Open
Abstract
BACKGROUND Few neurosurgical studies examine the July Effect within elective spinal procedures, and none uses an exact-matched protocol to rigorously account for confounders. OBJECTIVE To evaluate the July Effect in single-level spinal fusions, after coarsened exact matching of the patient cohort on key patient characteristics (including race and comorbid status) known to independently affect neurosurgical outcomes. METHODS Two thousand three hundred thirty-eight adult patients who underwent single-level, posterior-only lumbar fusion at a single, multicenter university hospital system were retrospectively enrolled. Primary outcomes included readmissions, emergency department visits, reoperation, surgical complications, and mortality within 30 days of surgery. Logistic regression was used to analyze month as an ordinal variable. Subsequently, outcomes were compared between patients with surgery at the beginning vs end of the academic year (ie, July vs April-June), before and after coarsened exact matching on key characteristics. After exact matching, 99 exactly matched pairs of patients (total n = 198) were included for analysis. RESULTS Among all patients, operative month was not associated with adverse postoperative events within 30 days of the index operation. Furthermore, patients with surgeries in July had no significant difference in adverse outcomes. Similarly, between exact-matched cohorts, patients in July were observed to have noninferior adverse postoperative events. CONCLUSION There was no evidence suggestive of a July Effect after single-level, posterior approach spinal fusions in our cohort. These findings align with the previous literature to imply that teaching hospitals provide adequate patient care throughout the academic year, regardless of how long individual resident physician assistants have been in their particular role.
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Affiliation(s)
- Austin J Borja
- Department of Neurosurgery, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Hasan S Ahmad
- Department of Neurosurgery, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Samuel B Tomlinson
- Department of Neurosurgery, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Jianbo Na
- Department of Neurosurgery, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA
- McKenna EpiLog Fellowship in Population Health, at the University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Scott D McClintock
- The West Chester Statistical Institute and Department of Mathematics, West Chester University, West Chester, Pennsylvania, USA
| | - William C Welch
- Department of Neurosurgery, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Paul J Marcotte
- Department of Neurosurgery, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Ali K Ozturk
- Department of Neurosurgery, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Neil R Malhotra
- Department of Neurosurgery, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA
- McKenna EpiLog Fellowship in Population Health, at the University of Pennsylvania, Philadelphia, Pennsylvania, USA
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Mohanty S, Barchick S, Kadiyala M, Lad M, Rouhi AD, Vadali C, Albayar A, Ozturk AK, Khalsa A, Saifi C, Casper DS. Should patients with lumbar stenosis and grade I spondylolisthesis be treated differently based on spinopelvic alignment? A retrospective, two-year, propensity matched, comparison of patient-reported outcome measures and clinical outcomes from multiple sites within a single health system. Spine J 2023; 23:92-104. [PMID: 36064091 DOI: 10.1016/j.spinee.2022.08.020] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Revised: 08/16/2022] [Accepted: 08/26/2022] [Indexed: 02/03/2023]
Abstract
BACKGROUND Degenerative lumbar spondylolisthesis is one of the most common pathologies addressed by surgeons. Recently, data demonstrated improved outcomes with fusion in conjunction with laminectomy compared to laminectomy alone. However, given not all degenerative spondylolistheses are clinically comparable, the best treatment option may depend on multiple parameters. Specifically, the impact of spinopelvic alignment on patient reported and clinical outcomes following fusion versus decompression for grade I spondylolisthesis has yet to be explored. PURPOSE This study assessed two-year clinical outcomes and one-year patient reported outcomes following laminectomy with concomitant fusion versus laminectomy alone for management of grade I degenerative spondylolisthesis and stenosis. The present study is the first to examine the effect of spinopelvic alignment on patient-reported and clinical outcomes following decompression alone versus decompression with fusion. STUDY DESIGN/SETTING Retrospective sub-group analysis of observational, prospectively collected cohort study. PATIENT SAMPLE 679 patients treated with laminectomy with fusion or laminectomy alone for grade I degenerative spondylolisthesis and comorbid spinal stenosis performed by orthopaedic and neurosurgeons at three medical centers affiliated with a single, tertiary care center. OUTCOME MEASURES The primary outcome was the change in Patient-Reported Outcome Measurement Information System (PROMIS), Global Physical Health (GPH), and Global Mental Health (GMH) scores at baseline and post-operatively at 4-6 and 10-12 months postoperatively. Secondary outcomes included operative parameters (estimated blood loss and operative time), and two-year clinical outcomes including reoperations, duration of postoperative physical therapy, and discharge disposition. METHODS Radiographs/MRIs assessed stenosis, spondylolisthesis, pelvic incidence, lumbar lordosis, sacral slope, and pelvic tilt; from this data, two cohorts were created based on pelvic incidence minus lumbar lordosis (PILL), denoted as "high" and "low" mismatch. Patients underwent either decompression or decompression with fusion; propensity score matching (PSM) and coarsened exact matching (CEM) were used to create matched cohorts of "cases" (fusion) and "controls" (decompression). Binary comparisons used McNemar test; continuous outcomes used Wilcoxon rank-sum test. Between-group comparisons of changes in PROMIS GPH and GMH scores were analyzed using mixed-effects models; analyses were conducted separately for patients with high and low pelvic incidence-lumbar lordosis (PILL) mismatch. RESULTS 49.9% of patients (339) underwent lumbar decompression with fusion, while 50.1% (340) received decompression. In the high PLL mismatch cohort at 10-12 months postoperatively, fusion-treated patients reported improved PROs, including GMH (26.61 vs. 20.75, p<0.0001) and GPH (23.61 vs. 18.13, p<0.0001). They also required fewer months of outpatient physical therapy (1.61 vs. 3.65, p<0.0001) and had lower 2-year reoperation rates (12.63% vs. 17.89%, p=0.0442) compared to decompression-only patients. In contrast, in the low PLL mismatch cohort, fusion-treated patients demonstrated worse endpoint PROs (GMH: 18.67 vs. 21.52, p<0.0001; GPH: 16.08 vs. 20.74, p<0.0001). They were also more likely to require skilled nursing/rehabilitation centers (6.86% vs. 0.98%, p=0.0412) and extended outpatient physical therapy (2.47 vs. 1.34 months, p<0.0001) and had higher 2-year reoperation rates (25.49% vs. 14.71%,p=0.0152). CONCLUSIONS Lumbar laminectomy with fusion was superior to laminectomy in health-related quality of life and reoperation rate at two years postoperatively only for patients with sagittal malalignment, represented by high PILL mismatch. In contrast, the addition of fusion for patients with low-grade spondylolisthesis, spinal stenosis, and spinopelvic harmony (low PILL mismatch) resulted in worse quality of life outcomes and reoperation rates.
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Affiliation(s)
- Sarthak Mohanty
- Perelman School of Medicine, University of Pennsylvania, 3400 Civic Center Boulevard, Philadelphia, PA, 19104, USA
| | - Stephen Barchick
- University of Pennsylvania, Department of Orthopaedics; 3737 Market St, Philadelphia, PA, 19104, USA
| | - Manasa Kadiyala
- Perelman School of Medicine, University of Pennsylvania, 3400 Civic Center Boulevard, Philadelphia, PA, 19104, USA
| | - Meeki Lad
- New Jersey Medical School; Rutgers University; 185 W S Orange Ave, Newark, NJ, 07103, USA
| | - Armaun D Rouhi
- Perelman School of Medicine, University of Pennsylvania, 3400 Civic Center Boulevard, Philadelphia, PA, 19104, USA
| | - Chetan Vadali
- University of Pennsylvania, Department of Orthopaedics; 3737 Market St, Philadelphia, PA, 19104, USA
| | - Ahmed Albayar
- University of Pennsylvania Department of Neurosurgery; 3737 Market St, Philadelphia, PA, 19104, USA
| | - Ali K Ozturk
- University of Pennsylvania Department of Neurosurgery; 3737 Market St, Philadelphia, PA, 19104, USA
| | - Amrit Khalsa
- University of Pennsylvania, Department of Orthopaedics; 3737 Market St, Philadelphia, PA, 19104, USA
| | - Comron Saifi
- Houston Methodist Hospital, Department of Orthopedics & Sports Medicine; 6445 Main St. 2500, Houston, TX, 77030, USA
| | - David S Casper
- University of Pennsylvania, Department of Orthopaedics; 3737 Market St, Philadelphia, PA, 19104, USA.
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Kim HJ. Applications of propensity score matching: a case series of articles published in Annals of Coloproctology. Ann Coloproctol 2022; 38:398-402. [PMID: 36596300 PMCID: PMC9816561 DOI: 10.3393/ac.2022.01060.0151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Accepted: 12/02/2022] [Indexed: 12/29/2022] Open
Abstract
Propensity score matching (PSM) is an increasingly applied method of ensuring comparability between groups of interest. However, PSM is often applied unconditionally, without precise considerations. The purpose of this study is to provide a nonmathematical guide for clinicians at the stage of designing a PSM-based study. We provide a seed of thought for considering whether applying PSM would be appropriate and, if so, the scope of the list of variables. Although PSM may be simple, its results could vary substantially according to how the propensity score is constructed. Misleading results can be avoided through a critical review of the process of PSM.
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Affiliation(s)
- Hwa Jung Kim
- Department of Clinical Epidemiology and Biostatistics, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea,Correspondence to: Hwa Jung Kim, M.D., Ph.D. Department of Clinical Epidemiology and Biostatistics, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul 05505, Korea Tel: +82-2-3010-5636, Fax: +82-2-3010-7304 E-mail: ORCID: https://orcid.org/0000-0003-1916-7014
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Farooqi AS, Borja AJ, Ajmera S, Glauser G, Strouz K, Ozturk AK, Petrov D, Chen HI, McClintock SD, Malhotra NR. Matched Analysis of the Risk Assessment and Prediction Tool (RAPT) for Discharge Planning Following Single-Level Posterior Lumbar Fusion. World Neurosurg 2022; 163:e113-e123. [DOI: 10.1016/j.wneu.2022.03.069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Revised: 03/14/2022] [Accepted: 03/15/2022] [Indexed: 10/18/2022]
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