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Kress DJ, Morgan PM, Thomas DC, Haselhuhn JJ, Polly DW. Prevalence of total joint arthroplasty in the adult spine deformity population. Spine Deform 2024; 12:1421-1429. [PMID: 38592647 DOI: 10.1007/s43390-024-00869-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/30/2023] [Accepted: 03/21/2024] [Indexed: 04/10/2024]
Abstract
PURPOSE The spine, hip, and knee are anatomically and biomechanically connected. Total hip arthroplasty (THA) and total knee arthroplasty (TKA) are commonly employed to treat degenerative changes in the hip and knee, while fusion is used for spine degeneration. Spine deformity correction results in changes in sagittal alignment and pelvic parameters, and patients with stiff spines have higher rates of THA dislocation and revision due to instability. The goal of this study was to determine the prevalence of total joint arthroplasty (TJA) in adult spinal deformity (ASD) patients at our institution. METHODS Following Institutional Review Board approval, we retrospectively reviewed a list of cases performed by the senior author from 4/2017 to 5/2021. Patients > 18 years old undergoing preoperative evaluation for symptomatic lumbar degeneration or ASD were included. Patients < 18 years old, those diagnosed with adolescent idiopathic scoliosis, and non-fusion cases were excluded. Perioperative full-length standing EOS images were examined for the presence or absence of THA, TKA, or both. Demographic data was collected from patient electronic medical records, and statistical analyses were completed. RESULTS 572 consecutive cases were reviewed, and 322 were excluded. 250 cases (97M:153F) were included in the final analysis, with a mean age of 61.8 ± 11.2 years. A total of 74 patients had a TJA (29.4%). THA was present in 41 patients (16.4%), and TKA was present in 49 patients (19.6%). Males had a higher prevalence of TJA, THA, and TKA (29.9%, 16.5%, and 21.6%) than females (29.4%, 16.3%, and 18.3%). CONCLUSIONS This study revealed a high prevalence TJA rate of 29.4% in ASD at our institution. This rate surpasses the prevalence rate reported among the general population in previous studies. High prevalence of patients with ASD and TJA may merit special surgical consideration.
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Affiliation(s)
- Dustin J Kress
- Department of Orthopedic Surgery, University of Minnesota, 2512 South 7th Street, Suite R200, Minneapolis, MN, 55454, USA.
| | - Patrick M Morgan
- Department of Orthopedic Surgery, University of Minnesota, 2512 South 7th Street, Suite R200, Minneapolis, MN, 55454, USA
| | - Dylan C Thomas
- Department of Orthopedic Surgery, University of Minnesota, 2512 South 7th Street, Suite R200, Minneapolis, MN, 55454, USA
| | - Jason J Haselhuhn
- Department of Orthopedic Surgery, University of Minnesota, 2512 South 7th Street, Suite R200, Minneapolis, MN, 55454, USA
| | - David W Polly
- Department of Orthopedic Surgery, University of Minnesota, 2512 South 7th Street, Suite R200, Minneapolis, MN, 55454, USA.
- Department of Neurosurgery, University of Minnesota, Minneapolis, MN, USA.
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Agarwal AR, Kreulen RT, Mathur A, Mikula JD, Doerre T, Thakkar SC, Best MJ. Trends in utilization of meniscal allograft transplantation between 2010 and 2019. PHYSICIAN SPORTSMED 2024; 52:407-413. [PMID: 38054215 DOI: 10.1080/00913847.2023.2292038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Accepted: 12/04/2023] [Indexed: 12/07/2023]
Abstract
OBJECTIVES The aim of this study was to observe the trends in (1) utilization of meniscus allograft transplantation (MAT), (2) demographics and comorbidities of patients undergoing transplants and (3) reimbursements for this procedure between the years of 2010 and 2019. METHODS Using a national database, patients who underwent MAT were observed. Incidence of MAT, percentage of female patients, average age, and average Charlson comorbidity index (CCI) were analyzed between 2010 and 2019. Average reimbursement during the index and postoperative 90-day bundle period were also calculated from 2010 to 2019. Compound annual growth rate (CAGR) of change in incidence, demographic and reimbursement was calculated, and linear regressionwas conducted for each trends analysis. RESULTS In total, 744 patients underwent a MAT between the years of 2010 and 2019. The incidence of MAT increased from 0.12 per 100,000 to 0.15 per 100,000 during this period but was not statistically significant (p=0.345). There was no significant difference in age (p=0.462) and gender (p=0.831) among the patients, but the average CCI significantly increased from 2010 to 2019 (CAGR: +15.30; p=0.001). The total reimbursement in the index (p=0.451) and 90-day bundle period (p=0.191) did not significantly change from 2010 to 2019. CONCLUSIONS Although MAT has been shown to be a safe and reliable surgery for the treatment of meniscus deficient knees, the incidence of MAT as well as the population undergoing MAT has minimally increased from 2010 to 2019. Future studies should seek to identify why the utilization of this efficacious surgery has not increased. LEVEL OF EVIDENCE IV; Descriptive Epidemiology Study.
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Affiliation(s)
| | - R Timothy Kreulen
- Department of Orthopaedic Surgery, The Johns Hopkins University School of Medicine, Baltimore, MD, United States
| | - Abhay Mathur
- Department of Orthopaedic Surgery, The George Washington University School of Medicine and Health Sciences, Washington, DC, United States
| | - Jacob D Mikula
- Department of Orthopaedic Surgery, The Johns Hopkins University School of Medicine, Baltimore, MD, United States
| | - Teresa Doerre
- Department of Orthopaedic Surgery, The George Washington University School of Medicine and Health Sciences, Washington, DC, United States
| | - Savyasachi C Thakkar
- Department of Orthopaedic Surgery, The Johns Hopkins University School of Medicine, Baltimore, MD, United States
| | - Matthew J Best
- Department of Orthopaedic Surgery, The Johns Hopkins University School of Medicine, Baltimore, MD, United States
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Issa TZ, Haider AA, Lambrechts MJ, Sherman MB, Canseco JA, Vaccaro AR, Schroeder GD, Kepler CK, Hilibrand AS. Preoperative Oswestry Disability Index Should not be Utilized to Determine Surgical Eligibility for Patients Requiring Lumbar Fusion for Degenerative Lumbar Spine Disease. Spine (Phila Pa 1976) 2024; 49:965-972. [PMID: 38420655 DOI: 10.1097/brs.0000000000004972] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/26/2023] [Accepted: 02/14/2024] [Indexed: 03/02/2024]
Abstract
STUDY DESIGN Retrospective cohort study. OBJECTIVE To evaluate how preoperative Oswestry Disability Index (ODI) thresholds might affect minimal clinically important difference (MCID) achievement following lumbar fusion. SUMMARY OF BACKGROUND DATA As payers invest in alternative payment models, some are suggesting threshold cutoffs of patient-reported outcomes (PROMs) in reimbursement approvals for orthopedic procedures. The feasibility of this has not been investigated in spine surgery. MATERIALS/METHODS We included all adult patients undergoing one to three-level primary lumbar fusion at a single urban tertiary academic center from 2014 to 2020. ODI was collected preoperatively and one year postoperatively. We implemented theoretical threshold cutoffs at increments of 10. MCID was set at 14.3. The percent of patients meeting MCID were determined among patients "approved" or "denied" at each threshold. At each threshold, the positive predictive value (PPV) for MCID attainment was calculated. RESULTS A total 1368 patients were included and 62.4% (N=364) achieved MCID. As the ODI thresholds increased, a greater percent of patients in each group reached the MCID. At the lowest ODI threshold, 6.58% (N=90) of patients would be denied, rising to 20.2%, 39.5%, 58.4%, 79.9%, and 91.4% at ODI thresholds of 30, 40, 50, 60, and 70, respectively. The PPV increased from 0.072 among patients with ODI>20 to 0.919 at ODI>70. The number of patients denied a clinical improvement in the denied category per patient achieving the MCID increased at each threshold (ODI>20: 1.96; ODI>30: 2.40; ODI>40: 2.75; ODI>50: 3.03; ODI>60: 3.54; ODI>70: 3.75). CONCLUSION Patients with poorer preoperative ODI are significantly more likely to achieve MCID following lumbar spine fusion at all ODI thresholds. Setting a preoperative ODI threshold for surgical eligibility will restrict access to patients who may benefit from spine fusion despite ODI>20 demonstrating the lowest predictive value for MCID achievement. LEVEL OF EVIDENCE 3.
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Affiliation(s)
- Tariq Z Issa
- Department of Orthopaedic Surgery, Rothman Institute and Thomas Jefferson University, Philadelphia, PA
| | - Ameer A Haider
- Department of Orthopaedic Surgery, Washington University School of Medicine, St. Louis, MO
| | - Mark J Lambrechts
- Department of Orthopaedic Surgery, Washington University School of Medicine, St. Louis, MO
| | - Matthew B Sherman
- Department of Orthopaedic Surgery, Rothman Institute and Thomas Jefferson University, Philadelphia, PA
| | - Jose A Canseco
- Department of Orthopaedic Surgery, Rothman Institute and Thomas Jefferson University, Philadelphia, PA
| | - Alexander R Vaccaro
- Department of Orthopaedic Surgery, Rothman Institute and Thomas Jefferson University, Philadelphia, PA
| | - Gregory D Schroeder
- Department of Orthopaedic Surgery, Rothman Institute and Thomas Jefferson University, Philadelphia, PA
| | - Christopher K Kepler
- Department of Orthopaedic Surgery, Rothman Institute and Thomas Jefferson University, Philadelphia, PA
| | - Alan S Hilibrand
- Department of Orthopaedic Surgery, Rothman Institute and Thomas Jefferson University, Philadelphia, PA
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Hu Z, Yin X, Fan G, Liao X. Global Trends in Orthopedic Biofilm Research: A Bibliometric Analysis of 1994-2022. J Multidiscip Healthc 2024; 17:3057-3069. [PMID: 38974376 PMCID: PMC11227867 DOI: 10.2147/jmdh.s465632] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2024] [Accepted: 06/15/2024] [Indexed: 07/09/2024] Open
Abstract
Objective Bibliometric analysis is commonly used to visualize the knowledge foundation, trends, and patterns in a specific scientific field by performing a quantitative evaluation of the relevant literature. The purpose of this study was to perform a bibliometric analysis of recent studies in the field of orthopedic biofilm research and identify its current trends and hotspots. Methods Research studies were retrieved from the Web of Science Core Collection and Scopus databases and analyzed in bibliometrix with R package (4.2.2). Results A total of 2426 literature were included in the study. Journal of orthopaedic research and Clinical orthopaedics and related research ranked first in terms of productivity and impact, with 57 published articles and 32 h-index, respectively. Trampuz A, Ohio State Univ and the United States ranked as the most productive authors, institutions, and countries. Biofilm formation, role of sonication, biomaterial mechanism and antibiotic loading have been investigated as the trend and hotspots in the field of orthopedic biofilm research. Conclusion This study provides a thorough overview of the state of the art of current orthopedic biofilm research and offers valuable insights into recent trends and hotspots in this field.
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Affiliation(s)
- Zhouyang Hu
- Department of Pain Medicine, Huazhong University of Science and Technology Union Shenzhen Hospital, Shenzhen, People’s Republic of China
- Guangdong Key Laboratory for Biomedical Measurements and Ultrasound Imaging, National-Regional Key Technology Engineering Laboratory for Medical Ultrasound, School of Biomedical Engineering, Shenzhen University Medical School, Shenzhen, 518060, People’s Republic of China
| | - Xiaobing Yin
- Nursing Department, Shanghai Tenth People’s Hospital, Tongji University School of Medicine, Shanghai, People’s Republic of China
| | - Guoxin Fan
- Department of Pain Medicine, Huazhong University of Science and Technology Union Shenzhen Hospital, Shenzhen, People’s Republic of China
- Guangdong Key Laboratory for Biomedical Measurements and Ultrasound Imaging, National-Regional Key Technology Engineering Laboratory for Medical Ultrasound, School of Biomedical Engineering, Shenzhen University Medical School, Shenzhen, 518060, People’s Republic of China
| | - Xiang Liao
- Department of Pain Medicine, Huazhong University of Science and Technology Union Shenzhen Hospital, Shenzhen, People’s Republic of China
- Guangdong Key Laboratory for Biomedical Measurements and Ultrasound Imaging, National-Regional Key Technology Engineering Laboratory for Medical Ultrasound, School of Biomedical Engineering, Shenzhen University Medical School, Shenzhen, 518060, People’s Republic of China
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Singh A, Botros M, Guirguis P, Punreddy A, Mesfin A, Puvanesarajah V. Prevalence, Characteristics, and Trends in Retracted Spine Literature: 2000-2023. World Neurosurg 2024; 187:e313-e320. [PMID: 38649024 DOI: 10.1016/j.wneu.2024.04.080] [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: 02/26/2024] [Revised: 04/13/2024] [Accepted: 04/15/2024] [Indexed: 04/25/2024]
Abstract
BACKGROUND Retraction of scientific publications is an important check on scientific misconduct and serves to maintain the integrity of the scientific literature. The present study aims to examine the prevalence, trends, and characteristics of retracted spine literature across basic science and clinical spine literature. METHODS Multiple databases were queried for retracted papers relating to spine or spine surgery, between January 2000 and May 2023. Of 112,668 publications initially identified, 125 were ultimately included in the present study following screening by 2 independent reviewers. Journal of origin, reasons for retraction, date of publication, date of retraction, impact factor of journal, countries of research origin, and study design were collected for each included publication. RESULTS Clinical studies were the most frequent type of retracted publication (n = 70). The most common reason for retraction was fraud (n = 58), followed by plagiarism (n = 22), and peer review process manipulation (n = 16). Impact factors ranged from 0.3 to 11.1 with a median of 3.75. Average months from publication to retraction across all studies was 37.5 months. The higher the journal impact factor, the longer the amount of time between publication and retraction (P = 0.01). China (n = 63) was the country of origin of more than half of all retracted spine publications. CONCLUSIONS The rate of retractions has been increasing over the past 23 years, and clinical studies have been the most frequently retracted publication type. Clinicians treating disorders of the spine should be aware of these trends when relying on the clinical literature to inform their practice.
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Affiliation(s)
- Aman Singh
- Department of Orthopaedics & Physical Performance, University of Rochester Medical Center, Rochester, New York, USA
| | - Mina Botros
- Department of Orthopaedics & Physical Performance, University of Rochester Medical Center, Rochester, New York, USA
| | - Paul Guirguis
- Department of Orthopaedics & Physical Performance, University of Rochester Medical Center, Rochester, New York, USA
| | - Ankit Punreddy
- Department of Orthopaedics & Physical Performance, University of Rochester Medical Center, Rochester, New York, USA
| | - Addisu Mesfin
- MedStar Orthopaedic Institute, Medstar Washington Hospital Center, Georgetown University School of Medicine, Seattle, Washington, USA
| | - Varun Puvanesarajah
- Department of Orthopaedics & Physical Performance, University of Rochester Medical Center, Rochester, New York, USA.
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Wu JY, Tang M, Touponse G, Theologitis M, Williamson T, Zygourakis CC. Socioeconomic disparities in lumbar fusion rates were exacerbated during the COVID-19 pandemic. NORTH AMERICAN SPINE SOCIETY JOURNAL 2024; 18:100321. [PMID: 38741936 PMCID: PMC11089397 DOI: 10.1016/j.xnsj.2024.100321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 04/03/2024] [Accepted: 04/04/2024] [Indexed: 05/16/2024]
Abstract
Background The COVID-19 pandemic disrupted healthcare access and utilization throughout the US, with variable impact on patients of different socioeconomic status (SES) and race. We characterize pre-pandemic and pandemic demographic and SES trends of lumbar fusion patients in the US. Methods Adults undergoing first-time lumbar fusion 1/1/2004-3/31/2021 were assessed in Clinformatics® Data Mart for patient age, geographical location, gender, race, education level, net worth, and Charlson Comorbidity Index (CCI). Multivariable regression models were used to evaluate the significance of trends over time, with a focus on pandemic trends 2020-2021 versus previous trends 2004-2019. Results The total 217,204 patients underwent lumbar fusions, 1/1/2004-3/31/2021. The numbers and per capita rates of lumbar fusions increased 2004-2019 and decreased in 2020 (first year of COVID-19 pandemic), with large variation in geographic distribution. There was overall a significant decrease in proportion of White patients undergoing lumbar fusion over time (OR=0.997, p<.001), though they were more likely to undergo surgery during the pandemic (OR=1.016, p<.001). From 2004-2021, patients were more likely to be educated beyond high school. Additionally, patients in the highest (>$500k) and lowest (<$25k) net worth categories had significantly more fusions over time (p<.001). During the pandemic (2020-2021), patients in higher net worth groups were more likely to undergo lumbar fusions ($150k-249k & $250k-499k: p<.001) whereas patients in the lowest net worth group had decreased rate of surgeries (p<.001). Lastly, patients' CCI increased significantly from 2004 to 2021 (coefficient=0.124, p<.001), and this trend held true during the pandemic (coefficient=0.179, p<.001). Conclusions To the best of our knowledge, our work represents the most comprehensive and recent characterization of SES variables in lumbar fusion rates. Unsurprisingly, lumbar fusions decreased overall with the onset of the COVID-19 pandemic. Importantly, disparities in fusion patients across patient race and wealth widened during the pandemic, reversing years of progress, a lesson we can learn for future public health emergencies.
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Affiliation(s)
- Janet Y. Wu
- School of Medicine, Stanford University Medical Center, 291 Campus Drive, Stanford, CA 94305, United States
| | - Megan Tang
- Icahn School of Medicine at Mount Sinai, 1 Gustave L Levy Pl, New York, NY 10029, United States
| | - Gavin Touponse
- School of Medicine, Stanford University Medical Center, 291 Campus Drive, Stanford, CA 94305, United States
| | - Marinos Theologitis
- School of Medicine, University of Crete, Voutes Campus, P.O. Box 2208, 71003 Heraklion, Crete, Greece
| | - Theresa Williamson
- Massachusetts General Hospital, 55 Fruit St, Boston, MA 02114, United States
| | - Corinna C. Zygourakis
- Department of Neurosurgery, Stanford University Medical Center, 453 Quarry Road Palo Alto, CA 94304, United States
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Mani K, Kleinbart E, Goldman SN, Golding R, Gelfand Y, Murthy S, Eleswarapu A, Yassari R, Fourman MS, Krystal J. Projections of Single-level and Multilevel Spinal Instrumentation Procedure Volume and Associated Costs for Medicare Patients to 2050. J Am Acad Orthop Surg Glob Res Rev 2024; 8:01979360-202405000-00011. [PMID: 38743853 PMCID: PMC11095963 DOI: 10.5435/jaaosglobal-d-24-00053] [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: 02/08/2024] [Accepted: 02/11/2024] [Indexed: 05/16/2024]
Abstract
BACKGROUND Instrumented spinal fusions can be used in the treatment of vertebral fractures, spinal instability, and scoliosis or kyphosis. Construct-level selection has notable implications on postoperative recovery, alignment, and mobility. This study sought to project future trends in the implementation rates and associated costs of single-level versus multilevel instrumentation procedures in US Medicare patients aged older than 65 years in the United States. METHODS Data were acquired from the Centers for Medicare & Medicaid Services from January 1, 2000, to December 31, 2019. Procedure costs and counts were abstracted using Current Procedural Terminology codes to identify spinal level involvement. The Prophet machine learning algorithm was used, using a Bayesian Inference framework, to generate point forecasts for 2020 to 2050 and 95% forecast intervals (FIs). Sensitivity analyses were done by comparing projections from linear, log-linear, Poisson and negative-binomial, and autoregressive integrated moving average models. Costs were adjusted for inflation using the 2019 US Bureau of Labor Statistics' Consumer Price Index. RESULTS Between 2000 and 2019, the annual spinal instrumentation volume increased by 776% (from 7,342 to 64,350 cases) for single level, by 329% (from 20,319 to 87,253 cases) for two-four levels, by 1049% (from 1,218 to 14,000 cases) for five-seven levels, and by 739% (from 193 to 1,620 cases) for eight-twelve levels (P < 0.0001). The inflation-adjusted reimbursement for single-level instrumentation procedures decreased 45.6% from $1,148.15 to $788.62 between 2000 and 2019, which is markedly lower than for other prevalent orthopaedic procedures: total shoulder arthroplasty (-23.1%), total hip arthroplasty (-39.2%), and total knee arthroplasty (-42.4%). By 2050, the number of single-level spinal instrumentation procedures performed yearly is projected to be 124,061 (95% FI, 87,027 to 142,907), with associated costs of $93,900,672 (95% FI, $80,281,788 to $108,220,932). CONCLUSIONS The number of single-level instrumentation procedures is projected to double by 2050, while the number of two-four level procedures will double by 2040. These projections offer a measurable basis for resource allocation and procedural distribution.
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Affiliation(s)
- Kyle Mani
- From the Albert Einstein College of Medicine, Bronx, NY (Mr. Mani, Ms. Kleinbart, Mr. Goldman, Ms. Golding); the Department of Neurological Surgery (Dr. Gelfand, Dr. Murthy, Dr. Yassari) and the Department of Orthopaedic Surgery (Dr. Eleswarapu, Dr. Fourman, Dr. Krystal), Montefiore Einstein, Bronx, NY
| | - Emily Kleinbart
- From the Albert Einstein College of Medicine, Bronx, NY (Mr. Mani, Ms. Kleinbart, Mr. Goldman, Ms. Golding); the Department of Neurological Surgery (Dr. Gelfand, Dr. Murthy, Dr. Yassari) and the Department of Orthopaedic Surgery (Dr. Eleswarapu, Dr. Fourman, Dr. Krystal), Montefiore Einstein, Bronx, NY
| | - Samuel N. Goldman
- From the Albert Einstein College of Medicine, Bronx, NY (Mr. Mani, Ms. Kleinbart, Mr. Goldman, Ms. Golding); the Department of Neurological Surgery (Dr. Gelfand, Dr. Murthy, Dr. Yassari) and the Department of Orthopaedic Surgery (Dr. Eleswarapu, Dr. Fourman, Dr. Krystal), Montefiore Einstein, Bronx, NY
| | - Regina Golding
- From the Albert Einstein College of Medicine, Bronx, NY (Mr. Mani, Ms. Kleinbart, Mr. Goldman, Ms. Golding); the Department of Neurological Surgery (Dr. Gelfand, Dr. Murthy, Dr. Yassari) and the Department of Orthopaedic Surgery (Dr. Eleswarapu, Dr. Fourman, Dr. Krystal), Montefiore Einstein, Bronx, NY
| | - Yaroslav Gelfand
- From the Albert Einstein College of Medicine, Bronx, NY (Mr. Mani, Ms. Kleinbart, Mr. Goldman, Ms. Golding); the Department of Neurological Surgery (Dr. Gelfand, Dr. Murthy, Dr. Yassari) and the Department of Orthopaedic Surgery (Dr. Eleswarapu, Dr. Fourman, Dr. Krystal), Montefiore Einstein, Bronx, NY
| | - Saikiran Murthy
- From the Albert Einstein College of Medicine, Bronx, NY (Mr. Mani, Ms. Kleinbart, Mr. Goldman, Ms. Golding); the Department of Neurological Surgery (Dr. Gelfand, Dr. Murthy, Dr. Yassari) and the Department of Orthopaedic Surgery (Dr. Eleswarapu, Dr. Fourman, Dr. Krystal), Montefiore Einstein, Bronx, NY
| | - Ananth Eleswarapu
- From the Albert Einstein College of Medicine, Bronx, NY (Mr. Mani, Ms. Kleinbart, Mr. Goldman, Ms. Golding); the Department of Neurological Surgery (Dr. Gelfand, Dr. Murthy, Dr. Yassari) and the Department of Orthopaedic Surgery (Dr. Eleswarapu, Dr. Fourman, Dr. Krystal), Montefiore Einstein, Bronx, NY
| | - Reza Yassari
- From the Albert Einstein College of Medicine, Bronx, NY (Mr. Mani, Ms. Kleinbart, Mr. Goldman, Ms. Golding); the Department of Neurological Surgery (Dr. Gelfand, Dr. Murthy, Dr. Yassari) and the Department of Orthopaedic Surgery (Dr. Eleswarapu, Dr. Fourman, Dr. Krystal), Montefiore Einstein, Bronx, NY
| | - Mitchell S. Fourman
- From the Albert Einstein College of Medicine, Bronx, NY (Mr. Mani, Ms. Kleinbart, Mr. Goldman, Ms. Golding); the Department of Neurological Surgery (Dr. Gelfand, Dr. Murthy, Dr. Yassari) and the Department of Orthopaedic Surgery (Dr. Eleswarapu, Dr. Fourman, Dr. Krystal), Montefiore Einstein, Bronx, NY
| | - Jonathan Krystal
- From the Albert Einstein College of Medicine, Bronx, NY (Mr. Mani, Ms. Kleinbart, Mr. Goldman, Ms. Golding); the Department of Neurological Surgery (Dr. Gelfand, Dr. Murthy, Dr. Yassari) and the Department of Orthopaedic Surgery (Dr. Eleswarapu, Dr. Fourman, Dr. Krystal), Montefiore Einstein, Bronx, NY
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Agarwal AR, Kuyl EV, Gu A, Golladay GJ, Thakkar SC, Siram G, Unger A, Rao S. Trend of using cementless total knee arthroplasty: a nationwide analysis from 2015 to 2021. ARTHROPLASTY 2024; 6:24. [PMID: 38581037 PMCID: PMC10998332 DOI: 10.1186/s42836-024-00241-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Accepted: 02/05/2024] [Indexed: 04/07/2024] Open
Abstract
BACKGROUND Modern cementless total knee arthroplasty (TKA) fixation has shown comparable long-term outcomes to cemented TKA, but the trend of using cementless TKA remains unclear. This study aimed to investigate the trend of using cementless TKA based on a national database. METHODS The patients undergoing cementless TKA between 2015 and 2021 were retrospectively extracted from the PearlDiver (Mariner dataset) Database. The annual percentage of cementless TKA was calculated using the following formula: annual number of cementless TKA/annual number of TKA. The trend of the number of patients undergoing cementless TKA was created according to a compounded annual growth rate (CAGR) calculation of annual percentages. Patient age, comorbidity, region, insurance type, etc., were also investigated. Differences were considered statistically significant at P < 0.05. RESULTS Of the 574,848 patients who received TKA, 546,731 (95%) underwent cemented fixation and 28,117 (5%) underwent cementless fixation. From 2015 to 2021, the use of cementless TKA significantly increased by 242% from 3 to 9% (compounded annual growth rate (CAGR): + 20%; P < 0.05). From 2015 to 2021, we observed a CAGR greater than 15% for all age groups (< 50, 50-59, 60-69, 70-74, 75 +), insurance types (cash, commercial, government, Medicare, Medicaid), regions (Midwest, Northeast, South, West), sex (male and female), and certain comorbidities (osteoporosis, diabetes mellitus, tobacco use, underweight (BMI < 18.5), rheumatoid arthritis) (P < 0.05 for all). Patients undergoing TKA with chronic kidney disease, prior fragility fractures, and dementia demonstrated a CAGR of + 9%-13% from 2015 to 2021 (P < 0.05). CONCLUSION From 2015 to 2021, the use of cementless TKA saw a dramatic increase in all patient populations. However, there is still no consensus on when to cement and in whom. Clinical practice guidelines are needed to ensure safe and effective use of cementless fixation.
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Affiliation(s)
- Amil R Agarwal
- Department of Orthopaedic Surgery, George Washington University School of Medicine and Health Sciences, Washington, DC, 20052, USA.
| | - Emile-Victor Kuyl
- Department of Orthopaedic Surgery, George Washington University School of Medicine and Health Sciences, Washington, DC, 20052, USA
| | - Alex Gu
- Department of Orthopaedic Surgery, George Washington University School of Medicine and Health Sciences, Washington, DC, 20052, USA
| | - Gregory J Golladay
- Department of Orthopaedic Surgery, Virginia Commonwealth University, Richmond, VA, 23298, USA
| | - Savyasachi C Thakkar
- Department of Orthopaedic Surgery, Johns Hopkins Medicine, Baltimore, MD, 21205, USA
| | | | - Anthony Unger
- Washington Orthopaedics and Sports Medicine, Washington, DC, 20006, USA
| | - Sandesh Rao
- Washington Orthopaedics and Sports Medicine, Washington, DC, 20006, USA
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9
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Sharma S, Miller AS, Pearson Z, Tran A, Bahoravitch TJ, Stadecker M, Ahmed AF, Best MJ, Srikumaran U. Social determinants of health disparities impact postoperative complications in patients undergoing total shoulder arthroplasty. J Shoulder Elbow Surg 2024; 33:640-647. [PMID: 37572748 DOI: 10.1016/j.jse.2023.07.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 06/30/2023] [Accepted: 07/02/2023] [Indexed: 08/14/2023]
Abstract
BACKGROUND Understanding the role of social determinants of health disparities (SDHDs) in surgical outcomes can better prepare providers to improve postoperative care. In this study, we use International Classification of Diseases (ICD) codes to identify SDHDs and investigate the risk of postoperative complication rates among patients undergoing total shoulder arthroplasty (TSA). METHODS A retrospective cohort analysis was conducted using a national insurance claims database. Using ICD and Current Procedural Terminology (CPT) codes, patients who underwent primary TSA with at least 2 years of follow-up in the database were identified. Patients with a history of SDHDs were identified using appropriate ICD-9 and ICD-10 codes. Patients were grouped in one of 2 cohorts: (1) patients with no history of SDHDs (control) and (2) patients with a history of SDHDs (SDHD group) prior to TSA. The SDHD and control groups were matched 1:1 for comorbidities and demographics prior to conducting multivariable analysis for 90-day medical complications and 2-year surgical complications. RESULTS After matching, there were 8023 patients in the SDHD group and 8023 patients in the control group. The SDHD group had significantly higher odds for 90-day medical complications including heart failure, cerebrovascular accident, renal failure, deep vein thrombosis, pneumonia, sepsis, and urinary tract infection. Additionally, the SDHD group had significantly higher odds for revision surgery within 2 years following TSA. Patients in the SDHD group also had a significantly longer length of hospital stay following TSA. DISCUSSION This study highlights the association between SDHDs and postoperative complications following TSA. Quantifying the risk of complications and differences in length of stay for TSA patients with a history of SDHDs is important in determining value-based payment models and risk stratifying to optimize patient care.
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Affiliation(s)
- Sribava Sharma
- Department of Orthopaedic Surgery, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Andrew S Miller
- Department of Orthopaedic Surgery, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Zachary Pearson
- Department of Orthopaedic Surgery, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Andrew Tran
- Department of Orthopaedic Surgery, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Tyler J Bahoravitch
- Department of Orthopaedic Surgery, George Washington University School of Medicine, Washington, DC, USA
| | - Monica Stadecker
- Department of Orthopaedic Surgery, George Washington University School of Medicine, Washington, DC, USA
| | - Abdulaziz F Ahmed
- Department of Orthopaedic Surgery, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Matthew J Best
- Department of Orthopaedic Surgery, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Uma Srikumaran
- Department of Orthopaedic Surgery, The Johns Hopkins University School of Medicine, Baltimore, MD, USA.
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10
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Miller AK, Cederman MR, Park DK. Growing utilization of ambulatory spine surgery in Medicare patients from 2010-2021. NORTH AMERICAN SPINE SOCIETY JOURNAL 2024; 17:100314. [PMID: 38370335 PMCID: PMC10869941 DOI: 10.1016/j.xnsj.2024.100314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 01/22/2024] [Accepted: 01/23/2024] [Indexed: 02/20/2024]
Abstract
Background There is growing interest in transitioning various surgical procedures to the outpatient care setting. However, for Medicare patients, the site of service for surgical procedures is influenced by regulations within the Inpatient and Outpatient Prospective Payment Systems. The purpose of this study is to quantify changes in utilization of outpatient spine surgery within the Medicare population, as well as to determine changes in outpatient volume after removal of a procedure from the "inpatient-only" list. Methods This is a cross-sectional study of Medicare billing database information for selected spine procedures included in the Medicare Physician/Supplier Procedure Summary (PSPS) public use files from 2010-2021. These files include aggregated data from Medicare Part B fee-for-service claims, published yearly. Procedures from Healthcare Common Procedural Coding System (HCPCS) code ranges 22010-22899 and 62380-63103 were selected for analysis, limited to surgical services delivered in the inpatient, hospital outpatient department (HOPD), and ambulatory surgical center (ASC) settings. For each HCPCS code included, estimates of the total number of services and corresponding changes in volume were calculated. Results Within the range of codes included in the study, the total number of outpatient spine procedures rose approximately 193% from 2010 to 2021, with compound annual growth rate (CAGR) for outpatient procedures per year of 9.9% for HOPDs and 15.7% for ASCs (-2.2% for inpatient procedures). Within this period, the ASC list grew from 12 procedures to 58 procedures. In 2021, the highest volume ASC procedure was HCPCS 63047, at approximately 4970 procedures. Conclusions This study demonstrates a trend of increasing utilization of HOPDs and ASCs for spine procedures among Medicare beneficiaries from 2010 to 2021. Though HOPDs are currently more widely utilized, the ongoing additions of spine procedures to the ASC covered procedures list may shift this balance.
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Affiliation(s)
- Alex K Miller
- Corewell Health East William Beaumont University Hospital, 3535 W. 13 Mile Road Suite 744, Royal Oak, MI, 48073, United States
| | - Matthew R Cederman
- Oakland University William Beaumont School of Medicine, 3535 W. 13 Mile Road, Royal Oak, MI, 48073, United States
| | - Daniel K Park
- Corewell Health East William Beaumont University Hospital, 3535 W. 13 Mile Road Suite 744, Royal Oak, MI, 48073, United States
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11
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Ghaith AK, Akinduro OO, El-Hajj VG, De Biase G, Ghanem M, Rajjoub R, Faisal UH, Saad H, Abdulrahim M, Bon Nieves A, Chen SG, Pirris SM, Bydon M, Abode-Iyamah K. General Versus Nongeneral Anesthesia for Spinal Surgery: A Comparative National Analysis of Reimbursement Trends Over 10 Years. Neurosurgery 2024; 94:413-422. [PMID: 37856210 DOI: 10.1227/neu.0000000000002670] [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: 05/13/2023] [Accepted: 07/13/2023] [Indexed: 10/21/2023] Open
Abstract
BACKGROUND AND OBJECTIVES Nongeneral anesthesia (non-GA) spine surgery is growing in popularity and has facilitated earlier postoperative recovery, reduced cost, and fewer complications compared with spine surgery under general anesthesia (GA). Changes in reimbursement policies have been demonstrated to correlate with clinical practice; however, they have yet to be studied for GA vs non-GA spine procedures. We aimed to investigate trends in physician reimbursement for GA vs non-GA spine surgery in the United States. METHODS We queried the ACS-NSQIP for GA and non-GA (regional, epidural, spinal, and anesthesia care/intravenous sedation) spine surgeries during 2011-2020. Work relative value units per operative hour (wRVUs/h) were retrieved for decompression or stabilization of the cervical, thoracic, and lumbar spine. Propensity score matching (1:1) was performed using all baseline variables. RESULTS We included 474 706 patients who underwent spine decompression or stabilization procedures. GA was used in 472 248 operations, whereas 2458 operations were non-GA. The proportion of non-GA spine operations significantly increased during the study period. Operative times ( P < .001) and length of stays ( P < .001) were shorter in non-GA when compared with GA procedures. Non-GA lumbar procedures had significantly higher wRVUs/h when compared with the same procedures performed under GA (decompression; P < .001 and stabilization; P = .039). However, the same could not be said about cervicothoracic procedures. Lumbar decompression surgeries using non-GA witnessed significant yearly increase in wRVUs/h ( P < .01) contrary to GA ( P = .72). Physician reimbursement remained stable for procedures of the cervical or thoracic spine regardless of the anesthesia. CONCLUSION Non-GA lumbar decompressions and stabilizations are associated with higher and increasing reimbursement trends (wRVUs/h) compared with those under GA. Reimbursement for cervical and thoracic surgeries was equal regardless of the type of anesthesia and being relatively stable during the study period. The adoption of a non-GA technique relative to the GA increased significantly during the study period.
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Affiliation(s)
- Abdul Karim Ghaith
- Department of Neurological Surgery, Mayo Clinic, Rochester , Minnesota , USA
- Mayo Clinic Neuro-Informatics Laboratory, Mayo Clinic, Rochester , Minnesota , USA
| | | | - Victor Gabriel El-Hajj
- Mayo Clinic Neuro-Informatics Laboratory, Mayo Clinic, Rochester , Minnesota , USA
- Department of Neurosurgery, Karolinska University Hospital, Stockholm , Sweden
| | - Gaetano De Biase
- Department of Neurological Surgery, Mayo Clinic, Jacksonville , Florida , USA
| | - Marc Ghanem
- Gilbert and Rose-Marie Chagoury School of Medicine, Lebanese American University, Beirut , Lebanon
| | - Rami Rajjoub
- Department of Neurological Surgery, Mayo Clinic, Rochester , Minnesota , USA
- Mayo Clinic Neuro-Informatics Laboratory, Mayo Clinic, Rochester , Minnesota , USA
| | - Umme Habiba Faisal
- Department of Neurological Surgery, Mayo Clinic, Jacksonville , Florida , USA
| | - Hassan Saad
- Department of Neurological Surgery, Emory University, Atlanta , Georgia , USA
| | - Mostafa Abdulrahim
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore , Maryland , USA
| | - Antonio Bon Nieves
- Department of Neurological Surgery, Mayo Clinic, Rochester , Minnesota , USA
- Mayo Clinic Neuro-Informatics Laboratory, Mayo Clinic, Rochester , Minnesota , USA
| | - Selby G Chen
- Department of Neurological Surgery, Mayo Clinic, Jacksonville , Florida , USA
| | - Stephen M Pirris
- Department of Neurological Surgery, Mayo Clinic, Jacksonville , Florida , USA
| | - Mohamad Bydon
- Department of Neurological Surgery, Mayo Clinic, Rochester , Minnesota , USA
- Mayo Clinic Neuro-Informatics Laboratory, Mayo Clinic, Rochester , Minnesota , USA
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12
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Issa TZ, Lee Y, Lambrechts MJ, D'Antonio ND, Toci GR, Mazmudar A, Kalra A, Sherman M, Canseco JA, Hilibrand AS, Vaccaro AR, Schroeder GD, Kepler CK. Implementation of a Private Payer Bundled Payment Model While Maintaining High-Value Lumbar Spinal Fusion. Spine (Phila Pa 1976) 2024; 49:138-145. [PMID: 37235801 DOI: 10.1097/brs.0000000000004729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/11/2023] [Accepted: 05/17/2023] [Indexed: 05/28/2023]
Abstract
STUDY DESIGN Retrospective single-institution cohort. OBJECTIVE To evaluate the implementation of a commercial bundled payment model in patients undergoing lumbar spinal fusion. SUMMARY OF BACKGROUND DATA BPCI-A caused significant losses for many physician practices, prompting private payers to establish their own bundled payment models. The feasibility of these private bundles has yet to be evaluated in spine fusion. METHODS Patients undergoing lumbar fusion from October to December 2018 in BPCI-A before our institution's departure were included for BPCI-A analysis. Private bundle data was collected from 2018 to 2020. Analysis of the transition was conducted among Medicare-aged beneficiaries. Private bundles were grouped by calendar year (Y1, Y2, Y3). Stepwise multivariate linear regression was performed to measure independent predictors of net deficit. RESULTS The net surplus was the lowest in Y1 ($2,395, P =0.03) but did not differ between our final year in BPCI-A and subsequent years in private bundles (all, P >0.05). AIR and SNF patient discharges decreased significantly in all private bundle years compared with BPCI. Readmissions fell from 10.7% (N=37) in BPCI-A to 4.4% (N=6) in Y2 and 4.5% (N=3) Y3 of private bundles ( P <0.001). Being in Y2 or Y3 was independently associated with a net surplus in comparison to the Y1 (β: $11,728, P =0.001; β: $11,643, P =0.002). Postoperatively, length of stay in days (β: $-2,982, P <0.001), any readmission (β: -$18,825, P =0.001), and discharge to AIR (β: $-61,256, P <0.001) or SNF (β: $-10,497, P =0.058) were all associated with a net deficit. CONCLUSIONS Nongovernmental bundled payment models can be successfully implemented in lumbar spinal fusion patients. Constant price adjustment is necessary so bundled payments remain financially beneficial to both parties and systems overcome early losses. Private insurers who have more competition than the government may be more willing to provide mutually beneficial situations where cost is reduced for payers and health systems. LEVEL OF EVIDENCE 3.
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Affiliation(s)
- Tariq Z Issa
- Department of Orthopaedic Surgery, Rothman Institute, Thomas Jefferson University, Philadelphia, PA
- Feinberg School of Medicine, Northwestern University, Chicago, IL
| | - Yunsoo Lee
- Department of Orthopaedic Surgery, Rothman Institute, Thomas Jefferson University, Philadelphia, PA
| | - Mark J Lambrechts
- Department of Orthopaedic Surgery, Rothman Institute, Thomas Jefferson University, Philadelphia, PA
| | - Nicholas D D'Antonio
- Department of Orthopaedic Surgery, Rothman Institute, Thomas Jefferson University, Philadelphia, PA
| | - Gregory R Toci
- Department of Orthopaedic Surgery, Rothman Institute, Thomas Jefferson University, Philadelphia, PA
| | - Aditya Mazmudar
- Department of Orthopaedic Surgery, Rothman Institute, Thomas Jefferson University, Philadelphia, PA
| | - Andrew Kalra
- Department of Orthopaedic Surgery, Rothman Institute, Thomas Jefferson University, Philadelphia, PA
| | - Matthew Sherman
- Department of Orthopaedic Surgery, Rothman Institute, Thomas Jefferson University, Philadelphia, PA
| | - Jose A Canseco
- Department of Orthopaedic Surgery, Rothman Institute, Thomas Jefferson University, Philadelphia, PA
| | - Alan S Hilibrand
- Department of Orthopaedic Surgery, Rothman Institute, Thomas Jefferson University, Philadelphia, PA
| | - Alexander R Vaccaro
- Department of Orthopaedic Surgery, Rothman Institute, Thomas Jefferson University, Philadelphia, PA
| | - Gregory D Schroeder
- Department of Orthopaedic Surgery, Rothman Institute, Thomas Jefferson University, Philadelphia, PA
| | - Christopher K Kepler
- Department of Orthopaedic Surgery, Rothman Institute, Thomas Jefferson University, Philadelphia, PA
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13
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Peterman N, Shivdasani K, Naik A, Yeo E, Simon J, Garst J, Moawad C, Stauffer C, Kaptur B, Arnold PM. Understanding Geospatial Trends in Lumbar Fusion Incidence and Technique in Medicare Populations. Spine (Phila Pa 1976) 2024; 49:128-137. [PMID: 37612890 DOI: 10.1097/brs.0000000000004807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Accepted: 08/12/2023] [Indexed: 08/25/2023]
Abstract
STUDY DESIGN Retrospective study with epidemiologic analysis of public Medicare data. OBJECTIVE This study seeks to utilize geospatial analysis to identify distinct trends in lumbar fusion incidence and techniques in Medicare populations. SUMMARY OF BACKGROUND DATA With an aging population and new technologies, lumbar fusion is an increasingly common procedure. There is controversy, however, regarding which indications and techniques achieve optimal outcomes, leading to significant intersurgeon variation and potential national disparities in care. MATERIALS AND METHODS Medicare billing datasets were supplemented with Census Bureau socioeconomic data from 2013 to 2020. These databases listed lumbar fusions billed to Medicare by location, specialty, and technique. Hotspots and coldspots of lumbar fusion incidence and technique choice were identified with county-level analysis and compared with Mann-Whitney U . A linear regression of fusion incidence and a logistic regression of lumbar fusion hotspots/coldspots were also calculated. RESULTS Between 2013 and 2020, 624,850 lumbar fusions were billed to Medicare. Lumbar fusion hotspots performed fusions at nearly five times the incidence of coldspots (101.6-21.1 fusions per 100,000 Medicare members) and were located in the Midwest, Colorado, and Virginia while coldspots were in California, Florida, Wisconsin, and the Northeast. Posterior and posterolateral fusion were the most favored techniques, with hotspots in the Northeast. Combined posterior and posterolateral fusion and posterior interbody fusion was the second most favored technique, predominantly in Illinois, Missouri, Arkansas, and Colorado. CONCLUSIONS The geographic distribution of lumbar fusions correlates with variations in residency training, fellowship, and specialty. The geospatial patterning in both utilization and technique reflects a lack of consensus in the application of lumbar fusion. The strong variance in utilization is a potentially worrying finding that could suggest that the nonstandardization of lumbar fusion indication has led to both overtreatment and undertreatment across the nation. LEVEL OF EVIDENCE Level 3-retrospective.
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Affiliation(s)
- Nicholas Peterman
- Carle Illinois College of Medicine, University of Illinois Urbana Champaign, Champaign, IL
| | - Krishin Shivdasani
- Carle Illinois College of Medicine, University of Illinois Urbana Champaign, Champaign, IL
- Department of Orthopaedic Surgery and Rehabilitation, Loyola University Health System, Maywood, IL
| | - Anant Naik
- Carle Illinois College of Medicine, University of Illinois Urbana Champaign, Champaign, IL
- Department of Neurosurgery, University of Minnesota Twin-Cities, Minneapolis, MN
| | - Eunhae Yeo
- Carle Illinois College of Medicine, University of Illinois Urbana Champaign, Champaign, IL
| | - Joshua Simon
- Department of Neurosurgery, Loyola University Medical Center, Maywood, IL
| | - Jonathan Garst
- Department of Neurosurgery, OSF Saint Francis Medical Center, Peoria, IL
| | | | - Catherine Stauffer
- Carle Illinois College of Medicine, University of Illinois Urbana Champaign, Champaign, IL
| | - Bradley Kaptur
- Carle Illinois College of Medicine, University of Illinois Urbana Champaign, Champaign, IL
| | - Paul M Arnold
- Carle Illinois College of Medicine, University of Illinois Urbana Champaign, Champaign, IL
- Department of Neurosurgery, Carle Foundation Hospital, Urbana, IL
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14
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Wu L, Peng X, Zhuo X, Zhu G, Xie X. Development and Validation of a Risk-Prediction Nomogram for Preoperative Blood Type and Antibody Testing in Spinal Fusion Surgery. Orthop Surg 2024; 16:111-122. [PMID: 38044447 PMCID: PMC10782259 DOI: 10.1111/os.13946] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 10/16/2023] [Accepted: 10/19/2023] [Indexed: 12/05/2023] Open
Abstract
OBJECTIVE With advancements in minimally invasive techniques, the use of spinal fusion surgery is rapidly increasing and transfusion rates are decreasing. Routine preoperative ABO/Rh blood type and antibody screening (T&S) laboratory tests may not be appropriate for all spinal fusion patients. Herein, we constructed a nomogram to assess patient transfusion risk based on various risk factors in patients undergoing spinal fusion surgery, so that preoperative T&S testing can be selectively scheduled in appropriate patients to reduce healthcare and patient costs. METHODS Patients who underwent spinal fusion surgery between 01/2020 and 03/2023 were retrospectively examined and classified into the training (n = 3533, 70%) and validation (n = 1515, 30%) datasets. LASSO and multivariable logistic regression were used to analyze risk factors for blood transfusion. Nomogram predictive model was built according to the independent predictors and mode predictive power was validated using consistency index (C-index), Hosmer-Lemeshow (HL) test, calibration curve analysis and area under the curve (AUC) for receiver operating characteristic (ROC) curve. Bootstrap resampling was used for internal validation. Decision curve analysis (DCA) was applied to evaluate the model's performance in the clinic. RESULTS Being female, age, BMI, admission route, critical patient, operative time, heart failure, end-stage renal disease or chronic kidney disease (ESRD or CKD), anemia, and coagulation defect were predictors of blood transfusion for spinal fusion. A prediction nomogram was developed according to a multivariate model with good discriminatory power (C-index = 0.887); Bootstrap resampling internal validation C-index was 0.883. Calibration curves showed strong matching between the predicted and actual probabilities of the training and validation sets. HL tests for the training and validation sets had p-values of 0.327 and 0.179, respectively, indicating good calibration. When applied to the training set, the following parameters were found: AUC: 0.895, 95% CI: 0.871-0.919, sensitivity 78.2%, specificity 86.7%, positive predictive value 29.4% and negative predictive value 98.2%. If the model were applied in the training set, 2911 T&S tests (82.4%) would be eliminated, equaling a RMB349,320 cost reduction. The AUC in the internal validation was: 0.879, 95% CI: 0.839-0.927, sensitivity 75.2%, specificity 88.8%, positive predictive value 34.3%, negative predictive value 97.9%, would eliminate 1276 T&S tests (84.2%), saving RMB 153,120. The DCA curve indicated good clinical application value. CONCLUSION The nomogram based on 10 independent factors can help healthcare professionals predict the risk of transfusion for patients undergoing spinal fusion surgery to target preoperative T&S testing to appropriate patients and reduce healthcare costs.
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Affiliation(s)
- Linghong Wu
- Guangxi Key Laboratory of Orthopaedic Biomaterials Development and Clinical TranslationLiuzhou Worker's HospitalLiuzhouChina
| | | | | | - Guangwei Zhu
- West Hospital (Orthopaedic Hospital)Liuzhou Worker's HospitalLiuzhouChina
| | - Xiangtao Xie
- Spine SurgeryLiuzhou Worker's HospitalLiuzhouChina
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15
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Heard JC, Lee YA, Lambrechts M, Brush P, Issa TZ, Kanhere A, Bodner J, Purtill C, Reddy YC, Patil S, Somers S, D'Antonio ND, Mangan JJ, Canseco JA, Woods BR, Kaye ID, Rihn JA, Hilibrand AS, Vaccaro AR, Kepler CK, Schroeder GD. The Impact of Physical Therapy After Lumbar Fusion Surgery. Clin Spine Surg 2023; 36:419-425. [PMID: 37491717 DOI: 10.1097/bsd.0000000000001483] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Accepted: 05/17/2023] [Indexed: 07/27/2023]
Abstract
STUDY DESIGN Retrospective Cohort. OBJECTIVE To determine if outcomes varied between patients based on physical therapy (PT) attendance after lumbar fusion surgery. SUMMARY OF BACKGROUND DATA The literature has been mixed regarding the efficacy of postoperative PT to improve disability and back pain, as measured by patient-reported outcome measures. Given the prevalence of PT referrals and lack of high-quality evidence, there is a need for additional studies investigating the efficacy of PT after lumbar fusion surgery to aid in developing robust clinical guidelines. METHODS We retrospectively identified patients receiving lumbar fusion surgery by current procedural terminology codes and separated them into 2 groups based on whether PT was prescribed. Electronic medical records were reviewed for patient and surgical characteristics, PT utilization, and surgical outcomes. Patient-reported outcome measures (PROMs) were identified and compared preoperatively, at 90 days postoperatively and one year postoperatively. RESULTS The two groups had similar patient characteristics and comorbidities and demonstrated no significant differences between readmission, complication, and revision rates after surgery. Patients that attended PT had significantly more fused levels (1.41 ± 0.64 vs. 1.32 ± 0.54, P =0.027), longer operative durations (234 ± 96.4 vs. 215 ± 86.1 min, P =0.012), and longer postoperative hospital stays (3.35 ± 1.68 vs. 3.00 ± 1.49 days, P =0.004). All groups improved similarly by Oswestry Disability Index, short form-12 physical and mental health subsets, and back and leg pain by Visual Analog Scale at 90-day and 1-year follow-up. CONCLUSION Our data suggest that physical therapy does not significantly impact PROMs after lumbar fusion surgery. Given the lack of data suggesting clear benefit of PT after lumbar fusion, surgeons should consider more strict criteria when recommending physical therapy to their patients after lumbar fusion surgery. LEVEL OF EVIDENCE Level-Ⅲ.
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Affiliation(s)
- Jeremy C Heard
- Department of Orthopaedic Surgery, Rothman Orthopaedic Institute at Thomas Jefferson University Hospital, Philadelphia, PA
| | - Yunsoo A Lee
- Department of Orthopaedic Surgery, Rothman Orthopaedic Institute at Thomas Jefferson University Hospital, Philadelphia, PA
| | - Mark Lambrechts
- Department of Orthopaedic Surgery, Rothman Orthopaedic Institute at Thomas Jefferson University Hospital, Philadelphia, PA
| | - Parker Brush
- Department of Orthopaedic Surgery, Rothman Orthopaedic Institute at Thomas Jefferson University Hospital, Philadelphia, PA
| | - Tariq Z Issa
- Department of Orthopaedic Surgery, Rothman Orthopaedic Institute at Thomas Jefferson University Hospital, Philadelphia, PA
| | - Arun Kanhere
- Department of Orthopaedic Surgery, Rothman Orthopaedic Institute at Thomas Jefferson University Hospital, Philadelphia, PA
| | - John Bodner
- Sydney Kimmel Medical College at Thomas Jefferson University Hospital, Philadelphia, PA
| | - Caroline Purtill
- Sydney Kimmel Medical College at Thomas Jefferson University Hospital, Philadelphia, PA
| | - Yashas C Reddy
- Sydney Kimmel Medical College at Thomas Jefferson University Hospital, Philadelphia, PA
| | - Sanath Patil
- Sydney Kimmel Medical College at Thomas Jefferson University Hospital, Philadelphia, PA
| | - Sydney Somers
- Department of Orthopaedic Surgery, Rothman Orthopaedic Institute at Thomas Jefferson University Hospital, Philadelphia, PA
| | - Nicholas D D'Antonio
- Department of Orthopaedic Surgery, Rothman Orthopaedic Institute at Thomas Jefferson University Hospital, Philadelphia, PA
| | - John J Mangan
- Department of Orthopaedic Surgery, Rothman Orthopaedic Institute at Thomas Jefferson University Hospital, Philadelphia, PA
| | - Jose A Canseco
- Department of Orthopaedic Surgery, Rothman Orthopaedic Institute at Thomas Jefferson University Hospital, Philadelphia, PA
| | - Barrett R Woods
- Department of Orthopaedic Surgery, Rothman Orthopaedic Institute at Thomas Jefferson University Hospital, Philadelphia, PA
| | - Ian D Kaye
- Department of Orthopaedic Surgery, Rothman Orthopaedic Institute at Thomas Jefferson University Hospital, Philadelphia, PA
| | - Jeff A Rihn
- Department of Orthopaedic Surgery, Rothman Orthopaedic Institute at Thomas Jefferson University Hospital, Philadelphia, PA
| | - Alan S Hilibrand
- Department of Orthopaedic Surgery, Rothman Orthopaedic Institute at Thomas Jefferson University Hospital, Philadelphia, PA
| | - Alexander R Vaccaro
- Department of Orthopaedic Surgery, Rothman Orthopaedic Institute at Thomas Jefferson University Hospital, Philadelphia, PA
| | - Christopher K Kepler
- Department of Orthopaedic Surgery, Rothman Orthopaedic Institute at Thomas Jefferson University Hospital, Philadelphia, PA
| | - Gregory D Schroeder
- Department of Orthopaedic Surgery, Rothman Orthopaedic Institute at Thomas Jefferson University Hospital, Philadelphia, PA
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16
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Issa TZ, Toci GR, Lambrechts MJ, Lee Y, Sherman M, Brush PL, Siegel N, Trenchfield D, Lambo D, Parson J, Kim E, Canseco JA, Hilibrand AS, Vaccaro AR, Kepler CK, Schroeder GD. Are Clinical or Surgical Outcomes Different Based on Whether the Same Surgeon or Hospital System Performs the Spine Revision? Clin Spine Surg 2023; 36:E435-E441. [PMID: 37482629 DOI: 10.1097/bsd.0000000000001500] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Accepted: 06/21/2023] [Indexed: 07/25/2023]
Abstract
STUDY DESIGN Retrospective cohort study. OBJECTIVE To determine the effects of discontinuity in care by changing surgeons, health systems, or increased time to revision surgery on revision spine fusion surgical outcomes and patient-reported outcomes. SUMMARY OF BACKGROUND INFORMATION Patients undergoing revision spine fusion experience worse outcomes than those undergoing primary lumbar surgery. Those requiring complex revisions are often transferred to tertiary or quaternary referral centers under the assumption that those institutions may be more accustomed at performing those procedures. However, there remains a paucity of literature assessing the impact of discontinuity of care in revision spinal fusions. METHODS Patients who underwent revision 1-3 level lumbar spine fusion 2011-2021 were grouped based on (1) revision performed by the index surgeon versus a different surgeon, (2) revision performed within the same versus different hospital system as the index procedure, and (3) length of time from index procedure. Multivariate regression for outcomes controlled for confounding differences. RESULTS A total of 776 revision surgeries were included. An increased time interval between the index procedure and the revision surgery was predictive of a lower risk for subsequent revision procedure (odds ratio: 0.57, P =0.022). Revision surgeries performed by the same surgeon predicted a reduced length of hospital stay (β: -0.14, P =0.001). Neither time to revision nor undergoing by the same surgeon or same practice predicted 90-day readmission rates. Patients are less likely to report meaningful improvement in Mental Component Score-12 or Physical Component Score-12 if revision surgery was performed at a different hospital system. CONCLUSIONS Patients who have revision lumbar fusions have similar clinical outcomes regardless of whether their surgeon performed the index procedure. However, continuity of care with the same surgeon may reduce hospital length of stay and associated health care costs. The length of time between primary and revision surgery does not significantly impact patient-reported outcomes. LEVEL OF EVIDENCE Level III.
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Affiliation(s)
- Tariq Z Issa
- Department of Orthopaedic Surgery, Rothman Institute, Thomas Jefferson University, Philadelphia, PA
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17
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Pearson ZC, Ahiarakwe U, Bahoravitch TJ, Schmerler J, Harris AB, Thakkar SC, Best MJ, Srikumaran U. Social Determinants of Health Disparities Increase the Rate of Complications After Total Knee Arthroplasty. J Arthroplasty 2023; 38:2531-2536.e3. [PMID: 37659681 DOI: 10.1016/j.arth.2023.08.077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 08/22/2023] [Accepted: 08/27/2023] [Indexed: 09/04/2023] Open
Abstract
BACKGROUND Few studies have investigated whether social determinants of health disparities (SDHD), which include economic, social, education, health care, and environmental factors, identified through International Classification of Diseases (ICD) codes are associated with increased odds for poor health outcomes. We aimed to investigate the association between SDHD, identified through this novel methodology, as well as postoperative complications following total knee arthroplasty (TKA). METHODS Using a national insurance claims database, a retrospective cohort analysis was performed. Patients were selected using Current Procedural Terminology and ICD codes for primary TKA between 2010 and 2019. Patients were stratified into 2 groups using ICD codes, those who had SDHD and those who did not, and propensity matched 1:1 for age, sex, a comorbidity score, and other comorbidities. After matching, 207,844 patients were included, with 103,922 patients in each cohort. Odds ratios (ORs) for 90-day medical and 2-year surgical complications were obtained using multivariable logistical regressions. RESULTS In patients who have SDHD, multivariable analysis demonstrated higher odds of readmission (OR): 1.12; P = .013) and major and minor medical complications (OR: 2.09; P < .001) within 90-days as well as higher odds of revision surgery (OR: 1.77; P < .001) and periprosthetic joint infection (OR: 1.30; P < .001) within 2-years. CONCLUSION The SDHD are an independent risk factor for revision surgery and periprosthetic joint infection after TKA. In addition, SDHD is also an independent risk factor for all-cause hospital readmissions and both minor and major complications. LEVEL OF EVIDENCE III.
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Affiliation(s)
- Zachary C Pearson
- Department of Orthopaedic Surgery, The Johns Hopkins University, Baltimore, Maryland
| | - Uzoma Ahiarakwe
- Department of Orthopaedic Surgery, The Johns Hopkins University, Baltimore, Maryland
| | - Tyler J Bahoravitch
- The School of Medicine and Health Sciences, The George Washington University, Washington, District of Columbia
| | - Jessica Schmerler
- Department of Orthopaedic Surgery, The Johns Hopkins University, Baltimore, Maryland
| | - Andrew B Harris
- Department of Orthopaedic Surgery, The Johns Hopkins University, Baltimore, Maryland
| | - Savyasachi C Thakkar
- Department of Orthopaedic Surgery, The Johns Hopkins University, Baltimore, Maryland
| | - Mathew J Best
- Department of Orthopaedic Surgery, The Johns Hopkins University, Baltimore, Maryland
| | - Uma Srikumaran
- Department of Orthopaedic Surgery, The Johns Hopkins University, Baltimore, Maryland
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Ahiarakwe U, Zachary Pearson, Ochuba A, Kim W, Pressman Z, Haft M, Srikumaran U, Best MJ. Trends in total elbow arthroplasty in patients with rheumatoid arthritis receiving disease-modifying antirheumatic drug therapy based on payer status. J Shoulder Elbow Surg 2023; 32:2132-2139. [PMID: 37348781 DOI: 10.1016/j.jse.2023.05.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 05/01/2023] [Accepted: 05/06/2023] [Indexed: 06/24/2023]
Abstract
INTRODUCTION Total elbow arthroplasty (TEA) is often used to manage advanced arthropathies of the elbow caused by inflammatory conditions such as rheumatoid arthritis (RA). Recent literature has shown that use of TEA is decreasing in patients with RA, part of which can be attributed to early medical management involving disease-modifying antirheumatic drugs (DMARDs). However, there is a significant economic barrier to accessing DMARD therapy. The purpose of this study was to compare the use of TEA between patients with and without DMARD therapy from 2010 to 2020. METHODS A retrospective cohort analysis was performed using a national insurance claim database to investigate the trends of patients with RA undergoing TEA from 2010-2020. Patients who underwent TEA and had a diagnosis of RA were identified using Current Procedural Terminology (CPT) and International Classification of Diseases (ICD)-9 and ICD-10 codes between 2010 and 2020. These patients were then stratified into 2 cohorts: those with DMARD prescription claims and those without. A linear regression, compound annual growth rate (CAGR) analysis, and χ2 analysis were conducted to compare trends and demographic variables, including insurance type, between cohorts. Additionally, a multivariable logistic regression was subsequently performed to observe odds ratios (ORs) and 95% confidence intervals. RESULTS From 2010 to 2020, there has been no significant change in the incidence of TEA in RA patients without DMARD prescriptions, whereas there has been a statistically significantly decreasing rate of TEA observed in RA patients with DMARD prescription claims. The analysis showed that there was a CAGR of -4%. For patients with a diagnosis of RA and DMARD prescription claims, the highest incidence of undergoing TEA was seen in the age group of 60-69 years, whereas patients with a diagnosis of RA and no DMARD prescription claims had the highest incidence of undergoing TEA in the age group of 70-79 years. CONCLUSION The incidence of patients undergoing TEA with a diagnosis of RA and DMARD prescription claims has shown a statistically significant decrease from 2010 to 2020, whereas no significant difference was observed for patients without DMARD prescription claims. There were no statistically significant differences in the insurance plans between cohorts.
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Affiliation(s)
- Uzoma Ahiarakwe
- Department of Orthopaedic Surgery, Johns Hopkins University School of Medicine, Columbia, MD, USA; Department of Orthopaedic Surgery, Eastern Virginia Medical School, Norfolk, VA, USA.
| | - Zachary Pearson
- Department of Orthopaedic Surgery, Johns Hopkins University School of Medicine, Columbia, MD, USA
| | - Arinze Ochuba
- Department of Orthopaedic Surgery, Johns Hopkins University School of Medicine, Columbia, MD, USA
| | - William Kim
- Department of Orthopaedic Surgery, Eastern Virginia Medical School, Norfolk, VA, USA
| | - Zachary Pressman
- Department of Orthopaedic Surgery, Johns Hopkins University School of Medicine, Columbia, MD, USA
| | - Mark Haft
- Department of Orthopaedic Surgery, Johns Hopkins University School of Medicine, Columbia, MD, USA
| | - Uma Srikumaran
- Department of Orthopaedic Surgery, Johns Hopkins University School of Medicine, Columbia, MD, USA
| | - Matthew J Best
- Department of Orthopaedic Surgery, Johns Hopkins University School of Medicine, Columbia, MD, USA
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Lambrechts MJ, Issa TZ, Lee Y, D'Antonio ND, Kalra A, Sherman M, Canseco JA, Hilibrand AS, Vaccaro AR, Schroeder GD, Kepler CK. Procedures employing interbody devices and multi-level fusion require target price adjustment to build a sustainable lumbar fusion bundled payment model. Spine J 2023; 23:1485-1493. [PMID: 37302417 DOI: 10.1016/j.spinee.2023.06.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 04/12/2023] [Accepted: 06/02/2023] [Indexed: 06/13/2023]
Abstract
BACKGROUND CONTEXT Bundled payment models require risk adjustment to ensure appropriate targets are set. While this may be standardized for many services, spine fusions demonstrate significant variability in approach, invasiveness, and use of implants, that may require further risk adjustment. PURPOSE To evaluate variability in costs of spinal fusion episodes in a private insurer bundle payment program and identify whether current procedural terminology (CPT) code modifications are necessary for sustainable implementation. STUDY DESIGN/SETTING Retrospective single-institution cohort study. PATIENT SAMPLE A total of 542 lumbar fusion episodes in a private insurer bundled payment program from October 2018 to December 2020. OUTCOME MEASURES A total of 120-day episode of care net surplus/deficit, 90-day readmissions, discharge disposition, and length of hospital stay. METHODS A review was conducted of all lumbar fusions in a single institution's payer database. Surgical characteristics (approach [posterior lumbar decompression and fusion (PLDF), transforaminal lumbar interbody fusion (TLIF), and circumferential fusion], levels fused, and primary vs revision) were collected from manual chart review. Episode of care cost data were collected as net surplus or deficit with respect to target prices. A multivariate linear regression model was constructed to measure the independent effects of primary versus revision, levels fused, and approach on the net cost savings. RESULTS Most procedures were PLDFs (N=312, 57.6%), single-level (N=416, 76.8%) and primary fusions (N=477, 88.0%). Overall, 197 (36.3%) resulted in a deficit, and were more likely to be three levels (7.11% vs 2.03%, p=.005), revisions (18.8% vs 8.12%, p<.001), and TLIF (47.7% vs 35.1%, p<.001) or circumferential fusions (p<.001). One-level PLDFs resulted in the greatest cost savings per episode ($6,883). Across both PLDFs and TLIFs, 3-level procedures resulted in significant deficit of -$23,040 and -$18,887, respectively. For circumferential fusions, 1-level fusions resulted in deficit of -$17,169 per case which rose to -$64,485 and -$49,222 for 2- and 3-level fusions. All 2- and 3-level circumferential spinal fusions resulted in a deficit. On multivariable regression, TLIF and circumferential fusions were independently associated with a deficit of -$7,378 (p=.004) and -$42,185 (p<.001), respectively. Three-level fusions were independently associated with an additional -$26,003 deficit compared to single-level fusions (p<.001). CONCLUSIONS Interbody fusions, especially circumferential fusions, and multi-level procedures are not adequately risk adjusted by current bundled payment models. Health systems may not be able to financially support these alternative payment models with improved procedure-specific risk adjustment.
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Affiliation(s)
- Mark J Lambrechts
- Department of Orthopedic Surgery, Rothman Institute, Thomas Jefferson University, Philadelphia, PA 19107
| | - Tariq Z Issa
- Department of Orthopedic Surgery, Rothman Institute, Thomas Jefferson University, Philadelphia, PA 19107.
| | - Yunsoo Lee
- Department of Orthopedic Surgery, Rothman Institute, Thomas Jefferson University, Philadelphia, PA 19107
| | - Nicholas D D'Antonio
- Department of Orthopedic Surgery, Rothman Institute, Thomas Jefferson University, Philadelphia, PA 19107
| | - Andrew Kalra
- Department of Orthopedic Surgery, Rothman Institute, Thomas Jefferson University, Philadelphia, PA 19107
| | - Matthew Sherman
- Department of Orthopedic Surgery, Rothman Institute, Thomas Jefferson University, Philadelphia, PA 19107
| | - Jose A Canseco
- Department of Orthopedic Surgery, Rothman Institute, Thomas Jefferson University, Philadelphia, PA 19107
| | - Alan S Hilibrand
- Department of Orthopedic Surgery, Rothman Institute, Thomas Jefferson University, Philadelphia, PA 19107
| | - Alexander R Vaccaro
- Department of Orthopedic Surgery, Rothman Institute, Thomas Jefferson University, Philadelphia, PA 19107
| | - Gregory D Schroeder
- Department of Orthopedic Surgery, Rothman Institute, Thomas Jefferson University, Philadelphia, PA 19107
| | - Christopher K Kepler
- Department of Orthopedic Surgery, Rothman Institute, Thomas Jefferson University, Philadelphia, PA 19107
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20
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Issa TZ, Lee Y, Henry TW, Trenchfield D, Schroeder GD, Vaccaro AR, Kepler CK. Values derived from patient reported outcomes in spine surgery: a systematic review of the minimal clinically important difference, substantial clinical benefit, and patient acceptable symptom state. EUROPEAN SPINE JOURNAL : OFFICIAL PUBLICATION OF THE EUROPEAN SPINE SOCIETY, THE EUROPEAN SPINAL DEFORMITY SOCIETY, AND THE EUROPEAN SECTION OF THE CERVICAL SPINE RESEARCH SOCIETY 2023; 32:3333-3351. [PMID: 37642774 DOI: 10.1007/s00586-023-07896-x] [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: 04/04/2023] [Revised: 08/05/2023] [Accepted: 08/08/2023] [Indexed: 08/31/2023]
Abstract
PURPOSE While patient reported outcome measures (PROMs) define value in spine surgery, several values such as minimal clinically important difference (MCID), substantial clinical benefit (SCB), and patient acceptable symptom state (PASS) help guide the interpretation of PROMs and identify thresholds of clinical significance. Significant variation exists in reported values and their calculation, so the primary objective of this study was to systematically review the spine surgery literature for metrics of clinical significance derived from PROMs. METHODS We conducted a query of PubMed/MEDLINE and Scopus databases from inception to January 1, 2023, for studies that derived quantitative metrics (e.g., SCB, MCID, PASS) from PROMs in the setting of spine surgery with minimum 1-year follow-up. Details regarding the specific PROMs were collected including which PROM was measured, whether anchor- or distribution-based methods were utilized, the specific calculations, and the recommended value for a given PROM based on all evaluated calculations. RESULTS Thirty-seven studies of 21,780 patients were included. The most commonly evaluated PROM-derived value was the MCID (n = 28), followed by PASS (n = 6) and SCB (n = 4). Twenty-one studies only utilized anchor-based calculations, 15 utilized both anchor-based and distribution-based methods, and one only utilized distribution-based calculations. The most commonly evaluated legacy PROMs were the Oswestry Disability Index (ODI) (N = 11, MCID range 4-20) and visual analog scale back pain (N = 5, MCID range 0.5-4.6). All 10 studies that derived SCB or PASS utilized the receiver operating characteristic methods. Among the six studies deriving a PASS value, four only evaluated ODI, identifying PASS ranging from 5 to 22. CONCLUSION While calculated measures of clinical significance such as MCID, PASS, and SCB exist, significant heterogeneity exists in the current literature. Current shortcomings include a wide variability of reported value thresholds across the literature, and limited applicability to more heterogenous patient populations than the targeted cohorts included in published investigations. Continued investigations that apply these methods to heterogenous, large-scale populations can help increase generalizability and validity of these measures. LEVEL OF EVIDENCE III.
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Affiliation(s)
- Tariq Z Issa
- Department of Orthopaedic Surgery, Rothman Institute, Thomas Jefferson University, 125 S 9th St, Suite 1000, Philadelphia, PA, 19107, USA.
| | - Yunsoo Lee
- Department of Orthopaedic Surgery, Rothman Institute, Thomas Jefferson University, 125 S 9th St, Suite 1000, Philadelphia, PA, 19107, USA
| | - Tyler W Henry
- Department of Orthopaedic Surgery, Rothman Institute, Thomas Jefferson University, 125 S 9th St, Suite 1000, Philadelphia, PA, 19107, USA
| | - Delano Trenchfield
- Department of Orthopaedic Surgery, Rothman Institute, Thomas Jefferson University, 125 S 9th St, Suite 1000, Philadelphia, PA, 19107, USA
| | - Gregory D Schroeder
- Department of Orthopaedic Surgery, Rothman Institute, Thomas Jefferson University, 125 S 9th St, Suite 1000, Philadelphia, PA, 19107, USA
| | - Alexander R Vaccaro
- Department of Orthopaedic Surgery, Rothman Institute, Thomas Jefferson University, 125 S 9th St, Suite 1000, Philadelphia, PA, 19107, USA
| | - Christopher K Kepler
- Department of Orthopaedic Surgery, Rothman Institute, Thomas Jefferson University, 125 S 9th St, Suite 1000, Philadelphia, PA, 19107, USA
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21
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Hecht CJ, Burkhart RJ, McNassor R, Acuña AJ, Kamath AF. What Is the Geographic Distribution and Density of Orthopaedic Advanced Practice Professionals in Rural Counties? A Large-database Study. Clin Orthop Relat Res 2023; 481:1907-1916. [PMID: 37043552 PMCID: PMC10499078 DOI: 10.1097/corr.0000000000002649] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 02/10/2023] [Accepted: 03/10/2023] [Indexed: 04/14/2023]
Abstract
BACKGROUND Advanced practice professionals, including physician assistants (PAs) and nurse practitioners (NPs), play an important role in providing high-quality orthopaedic care. This role has been highlighted by projections of nationwide shortages in orthopaedic surgeons, with rural areas expected to be most affected. Given that approximately half of rural counties have no practicing orthopaedic surgeons and that advanced practice professionals have been shown to be more likely to practice in rural areas compared to physicians in other medical disciplines, orthopaedic advanced practice professionals may be poised to address orthopaedic care shortages in rural areas, but the degree to which this is true has not been well characterized. QUESTIONS/PURPOSES (1) What percentage of rural counties have no orthopaedic caregivers, including surgeons and advanced practice professionals? (2) Is the density of advanced practice professionals greater than that of orthopaedic surgeons in rural counties? (3) Do orthopaedic advanced practice professionals only practice in counties that also have practicing orthopaedic surgeons? (4) Are NPs in states with full practice authority more likely to practice in rural counties compared with NPs in restricted practice authority states? METHODS We identified orthopaedic surgeons and advanced practice professionals using the 2019 Medicare Provider Utilization and Payment Data, as this large dataset has been shown to be the most complete source of claims data nationwide. Each professional's ZIP Code was matched to counties per the US Postal Service ZIP Code Crosswalk Files. The total number and density of physician and advanced practice professionals per 100,000 residents were calculated per county nationwide. Counties were categorized as urban (large central metropolitan, large fringe metropolitan, medium metropolitan, and small metropolitan) or rural (micropolitan and noncore) using the National Center for Health Statistics Urban-Rural Classification Scheme. Comparisons between rural and urban county caregivers were conducted with the chi-square test and odds ratios. Population densities were compared with the Wilcoxon rank sum test. A bivariate density map was made to visualize the nationwide distribution of orthopaedic caregivers and determine the percentage of rural counties with no orthopaedic caregivers as well as whether orthopaedic advanced practice professionals practiced in counties not containing any surgeons. Additionally, to compare states with NP's full versus restricted practice authority, each NP was grouped based on their state to determine whether NPs in states with full practice authority were more likely to practice in rural counties. We identified a group of 31,091 orthopaedic caregivers, which was comprised of 23,728 physicians, 964 NPs, and 6399 PAs (7363 advanced practice professionals). A total of 88% (20,879 of 23,728) of physicians and 87% (6427 of 7363) of advanced practice professionals were in urban counties, which is comparable to nationwide population distributions. RESULTS A total of 39% (1237 of 3139) of counties had no orthopaedic professionals (defined as orthopaedic surgeons or advanced practice professionals) in 2019. Among these counties, 82% (1015 of 1237) were rural and 18% (222 of 1237) were urban. The density of advanced practice professionals providing orthopaedic services compared with the density of orthopaedic surgeons was higher in rural counties (18 ± 70 versus 8 ± 40 per 100,000 residents; p = 0.001). Additionally, 3% (57 of 1974) of rural and 1% (13 of 1165) of urban counties had at least one orthopaedic advanced practice professional, but no orthopaedic surgeons concurrently practicing in the county. There was no difference between the percentage of rural counties with an NP in states with full versus restricted practice authority for NPs (19% [157 of 823] versus 26% [36 of 141], OR 1.45 [95% CI 0.99 to 2.2]; p = 0.08). CONCLUSION As advanced practice professionals tended to only practice in counties which contain orthopaedic surgeons, our analysis suggests that plans to increase the number of advanced practice professionals alone in rural counties may not be sufficient to fully address the demand for orthopaedic care in rural areas that currently do not have orthopaedic surgeons in practice. Rather, interventions are needed to encourage more orthopaedic surgeons to practice in rural counties in collaborative partnerships with advanced practice professionals. In turn, rural orthopaedic advanced practice professionals may serve to further extend the accessibility of these surgeons, but it remains to be determined what the total number and ratio of advanced practice professionals and surgeons is needed to serve rural counties adequately. CLINICAL RELEVANCE To increase rural orthopaedic outreach, state legislatures may consider providing financial incentives to hospitals who adopt traveling clinic models, incorporating advanced practice professionals in these models as physician-extenders to further increase the coverage of orthopaedic care. Furthermore, the creation of more widespread financial incentives and programs aimed at expanding the experience of trainees in serving rural populations are longer-term investments to foster interest and retention of orthopaedic caregivers in rural settings.
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Affiliation(s)
- Christian J. Hecht
- Department of Orthopaedic Surgery, Cleveland Clinic Foundation, Cleveland, OH, USA
| | - Robert J. Burkhart
- Department of Orthopaedic Surgery, Cleveland Clinic Foundation, Cleveland, OH, USA
| | - Ryan McNassor
- Department of Orthopaedic Surgery, Cleveland Clinic Foundation, Cleveland, OH, USA
| | - Alexander J. Acuña
- Department of Orthopaedic Surgery, Cleveland Clinic Foundation, Cleveland, OH, USA
| | - Atul F. Kamath
- Department of Orthopaedic Surgery, Cleveland Clinic Foundation, Cleveland, OH, USA
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22
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Federico VP, Zavras AG, Butler A, Nolte MT, Munim MA, Lopez GD, DeWald C, An HS, Colman MW, Phillips FM. Medicare Reimbursement Rates and Utilization Trends in Sacroiliac Joint Fusion. J Am Acad Orthop Surg 2023; 31:923-930. [PMID: 37192412 DOI: 10.5435/jaaos-d-22-00800] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/28/2022] [Accepted: 04/11/2023] [Indexed: 05/18/2023] Open
Abstract
INTRODUCTION Sacroiliac joint (SIJ) fusion is a surgical treatment option for SIJ pathology in select patients who have failed conservative management. More recently, minimally invasive surgical (MIS) techniques have been developed. This study aimed to determine the trends in procedure volume and reimbursement rates for SIJ fusion. METHODS Publicly available Medicare databases were assessed using the National Summary Data Files for 2010 to 2020. Files were organized according to current procedural terminology (CPT) codes. CPT codes specific to open and MIS SI joint fusion (27279 and 27280) were identified and tracked. To track surgeon reimbursements, the CMS Medicare Physician Fee Schedule Look-Up Tool was used to extract facility prices. Descriptive statistics and linear regression were used to evaluate trends in procedure volume, utilization, and reimbursement rates. Compound annual growth rates were calculated, and discrepancies in inflation were corrected for using the Consumer Price Index. RESULTS A total of 33,963 SIJ fusions were conducted in the Medicare population between 2010 and 2020, with an overall increase in procedure volume of 2,350.9% from 318 cases in 2010 to 7,794 in 2020. Since the introduction of the 27279 CPT code in 2015, 8,806 cases (31.5%) have been open and 19,120 (68.5%) have been MIS. Surgeon reimbursement for open fusions increased nominally by 42.8% (inflation-adjusted increase of 20%) from $998 in 2010 to $1,425 in 2020. Meanwhile, reimbursement for MIS fusion experienced a nominal increase of 58.4% (inflation-adjusted increase of 44.9%) from $582 in 2015 to $922 in 2020. CONCLUSION SIJ fusion volume in the Medicare population has increased substantially in the past 10 years, with MIS SIJ fusion accounting for most of the procedures since the introduction of the 27279 CPT code in 2015. Reimbursement rates for surgeons have also increased for both open and MIS procedures, even after adjusting for inflation.
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Affiliation(s)
- Vincent P Federico
- From the Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, IL
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Strayer AL, King BJ. Older Adults' Experiences Living With and Having Spine Surgery for Degenerative Spine Disease. THE GERONTOLOGIST 2023; 63:1201-1210. [PMID: 36516467 PMCID: PMC10448989 DOI: 10.1093/geront/gnac184] [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] [Subscribe] [Scholar Register] [Received: 07/16/2022] [Indexed: 08/25/2023] Open
Abstract
BACKGROUND AND OBJECTIVES Globally, older adults are undergoing spine surgery for degenerative spine disease at exponential rates. However, little is known about their experiences of living with and having surgery for this debilitating condition. This study investigated older adults' understanding and experiences of living with and having surgery for degenerative spine disease. RESEARCH DESIGN AND METHODS Qualitative methods, grounded theory, guided the study. Fourteen older adults (≥65 years) were recruited for in-depth interviews at 2 time-points: T1 during hospitalization and T2, 1-3-months postdischarge. A total of 28 interviews were conducted. Consistent with grounded theory, purposive, and theoretical sampling were used. Data analysis included open, axial, and selective coding. RESULTS A conceptual model was developed illustrating the process older adults with degenerative spine disease experience, trying to get their life back. Three key categories were identified (1) Losing Me, (2) Fixing Me, and (3) Recovering Me. Losing Me was described as a prolonged process of losing functional independence and the ability to socialize. Fixing Me consisted of preparing for surgery and recovery. Recovering Me involved monitoring progression and reclaiming their personhood. Conditions, including setbacks and delays, slowed their trajectory. Throughout, participants continually adjusted expectations. DISCUSSION AND IMPLICATIONS The conceptual model, based on real patient experiences, details how older adults living with and having surgery for degenerative spine disease engage in recovering who they were prior to the onset of symptoms. Our findings provide a framework for understanding a complex, protracted trajectory that involves transitions from health to illness working toward health again.
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Affiliation(s)
- Andrea L Strayer
- School of Nursing, University of Wisconsin-Madison, Madison, Wisconsin, USA
- College of Nursing, University of Iowa, Iowa City, Iowa, USA
| | - Barbara J King
- School of Nursing, University of Wisconsin-Madison, Madison, Wisconsin, USA
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Strayer AL, King BJ. COVID-19 and Elective Spine Surgery: The Older Persons' Experience of Going It Alone. J Neurosci Nurs 2023; 55:113-118. [PMID: 37318188 PMCID: PMC10332507 DOI: 10.1097/jnn.0000000000000707] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
ABSTRACT BACKGROUND: Older people with debilitating degenerative spine disease may benefit from surgery. However, recovery is described as a circuitous process. In general, they describe feeling powerless and receiving depersonalized care during hospitalization. Institution of hospital no-visitor policies to reduce COVID-19 spread may have caused additional negative consequences. The purpose of this secondary analysis was to understand experiences of older people who underwent spine surgery during early COVID-19. METHODS: Grounded theory guided this study of people 65 years or older undergoing elective spine surgery. Fourteen individuals were recruited for 2 in-depth interviews at 2 time points: T1 during hospitalization and T2, 1 to 3 months post discharge. All participants were affected by pandemic-imposed restrictions with 4 interviews at T1 with no visitors, 10 with a 1-visitor policy, and 6 interviews at T2 rehabilitation setting with no visitors. Discriminate sampling of data in which participants described their experiences with COVID-19 visitor restrictions was used. Open and axial coding (consistent with grounded theory) was used for data analysis. RESULTS: Three categories, worry and waiting , being alone , and being isolated , emerged from the data. Participants had delays ( waiting ) in getting their surgery scheduled, which produced worry that they would lose more function, become permanently disabled, have increased pain, and experience more complications such as falls. Participants described being alone during their hospital and rehabilitation recovery, without physical or emotional support from family and limited nursing staff contact. Being isolated often occurred from institution policy, restricting participants to their rooms leading to boredom and, for some, panic. CONCLUSIONS: Restricted access to family after spine surgery and during recovery resulted in emotional and physical burden for participants. Our findings support neuroscience nurses advocating for family/care partner integration into patient care delivery and investigation into the effect of system-level policies on patient care and outcomes.
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25
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Shah V, Rodrigues AJ, Malhotra S, Johnstone T, Varshneya K, Haider G, Stienen MN, Veeravagu A. Clinical Outcomes and Cost Differences Between Patients Undergoing Primary Anterior Cervical Discectomy and Fusion Procedures with Private or Medicare Insurance: A Propensity Score-Matched Study. World Neurosurg 2023; 173:e669-e676. [PMID: 36871653 DOI: 10.1016/j.wneu.2023.02.129] [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: 11/30/2022] [Revised: 02/24/2023] [Accepted: 02/25/2023] [Indexed: 03/07/2023]
Abstract
OBJECTIVE We assessed whether the insurance type reflects a patient's quality of care after an anterior discectomy and fusion (ACDF) procedure by comparing differences in the postoperative complications, readmission rates, reoperation rates, lengths of hospital stay, and cost of treatment between patients with Medicare versus private insurance. METHODS Propensity score matching was used to match patient cohorts insured by Medicare and private insurance in the MarketScan Commercial Claims and Encounters Database (2007-2016). Age, sex, year of operation, geographic region, comorbidities, and operative factors were used to match cohorts of patients who had undergone an ACDF procedure. RESULTS A total of 110,911 patients met the inclusion criteria. Of these patients, 97,543 patients (87.9%) were privately insured and 13,368 patients (12.1%) were insured by Medicare. The propensity score matching algorithm matched 7026 privately insured patients to 7026 Medicare patients. After matching, no significant differences were found in the 90-day postoperative complication rates, lengths of stay, or reoperation rates between the Medicare and privately insured cohorts. The Medicare group had had lower postoperative readmission rates for all time points: 30 days (1.8% vs. 4.6%; P < 0.001), 60 days (2.5% vs. 6.3%; P < 0.001), and 90 days (4.2% vs. 7.7%; P < 0.001). The median payment to physicians was significantly lower for the Medicare group ($3885 vs. $5601; P < 0.001). CONCLUSIONS In the present study, propensity score matched patients covered by Medicare and private insurance who had undergone an ACDF procedure had had similar treatment outcomes.
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Affiliation(s)
- Vaibhavi Shah
- Neurosurgical Artificial Intelligence and Machine Learning Laboratory, Department of Neurosurgery, Stanford University School of Medicine, Stanford, California, USA
| | - Adrian J Rodrigues
- Neurosurgical Artificial Intelligence and Machine Learning Laboratory, Department of Neurosurgery, Stanford University School of Medicine, Stanford, California, USA
| | - Shreya Malhotra
- Neurosurgical Artificial Intelligence and Machine Learning Laboratory, Department of Neurosurgery, Stanford University School of Medicine, Stanford, California, USA
| | - Thomas Johnstone
- Neurosurgical Artificial Intelligence and Machine Learning Laboratory, Department of Neurosurgery, Stanford University School of Medicine, Stanford, California, USA
| | - Kunal Varshneya
- Neurosurgical Artificial Intelligence and Machine Learning Laboratory, Department of Neurosurgery, Stanford University School of Medicine, Stanford, California, USA
| | - Ghani Haider
- Neurosurgical Artificial Intelligence and Machine Learning Laboratory, Department of Neurosurgery, Stanford University School of Medicine, Stanford, California, USA
| | - Martin N Stienen
- Department of Neurosurgery, Spine Center of Eastern Switzerland, St. Gallen, Switzerland
| | - Anand Veeravagu
- Neurosurgical Artificial Intelligence and Machine Learning Laboratory, Department of Neurosurgery, Stanford University School of Medicine, Stanford, California, USA.
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Agarwal AR, Das A, Harris A, Campbell JC, Golladay GJ, Thakkar SC. Trends of Venous Thromboembolism After Total Hip Arthroplasty in the United States: Analysis From 2011 to 2019. J Am Acad Orthop Surg 2023; 31:e376-e384. [PMID: 36727960 DOI: 10.5435/jaaos-d-22-00708] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Accepted: 11/24/2022] [Indexed: 02/03/2023] Open
Abstract
BACKGROUND In 2011, the American Academy of Orthopaedic Surgeons released a Clinical Practice Guideline` that recommended routine venous thromboembolism (VTE) prophylaxis after total joint arthroplasty. The purpose of this study was to examine (1) the change in the incidence of 90-day VTE, deep vein thrombosis, and pulmonary embolism, (2) the change in the utilization of antithrombotic agents; and (3) the change in the economic burden associated with VTE after total hip arthroplasty (THA) from 2011 to 2019. METHODS National, administrative claims data from 2011 to 2019 were used to identify patients who underwent primary THA for osteoarthritis. Exclusions entailed liver pathology, coagulopathy, malignancy, or those on prior prescribed blood thinners before THA. Multivariable regression was used, controlling for age and Charlson Comorbidity Index for all years, with 2011 as the reference year. RESULTS From 2011 to 2019, there was a significant reduction in 90-day VTE rates after THA, with a significant reduction in deep vein thrombosis and pulmonary embolism during this time frame as well. Of the antithrombotic agents prescribed after THA, the utilization of prescribed aspirin significantly increased and that of nonaspirin anticoagulants significantly decreased. Among nonaspirin anticoagulants, the utilization of direct factor Xa inhibitors and direct thrombin inhibitors significantly increased. The added reimbursements associated with VTE after THA significantly decreased during this period. CONCLUSION Since 2011, the incidence and economic burden associated with VTE after THA have significantly declined. In addition, there has been an increase in prescription aspirin and direct oral anticoagulants. LEVEL OF EVIDENCE Therapeutic, III.
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Affiliation(s)
- Amil R Agarwal
- From the Department of Orthopaedic Surgery, George Washington University School of Medicine, Washington, DC (Agarwal, Das, and Campbell), Department of Orthopaedic Surgery, Johns Hopkins University School of Medicine, Baltimore, MD (Harris and Thakkar), and Department of Orthopaedic Surgery, Virginia Commonwealth University School of Medicine, Richmond, VA (Golladay)
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Agarwal AR, Ahmed AF, Stadecker M, Miller AS, Best MJ, Srikumaran U. Trends in Venous Thromboembolism After Shoulder Arthroplasty in the United States: Analysis Following the 2009 American Academy of Orthopaedic Surgeons Clinical Practical Guidelines. J Am Acad Orthop Surg 2023; 31:364-372. [PMID: 36727919 DOI: 10.5435/jaaos-d-22-00825] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Accepted: 12/16/2022] [Indexed: 02/03/2023] Open
Abstract
BACKGROUND In 2009, the American Academy of Orthopaedic Surgeons released a consensus recommending venous thromboembolism (VTE) prophylaxis after total shoulder arthroplasty (TSA). The purpose of this study was to examine the (1) change in incidence of 90-day VTE, deep vein thrombosis (DVT), and pulmonary embolism; (2) change in utilization of chemoprophylaxis; and (3) change in the economic burden associated with VTE after TSA from 2010 to 2019. METHODS Using the PearlDiver database, national data from 2010 to 2019 were used to identify patients who underwent primary TSA for osteoarthritis and/or rotator cuff arthropathy. Exclusions entailed liver pathology, coagulopathy, or those on prior prescribed blood thinners before TSA. Multivariable regression was used controlling for age and Charlson Comorbidity Index for all years with 2010 as the reference year. RESULTS From 2010 to 2019, there was a reduction in VTE rates from 0.89% in 2010 to 0.78% in 2019. Regarding implant type, there was no notable change in incidence of VTE, DVT, and pulmonary embolism within 90 days after anatomic TSA. Notable reductions were observed in both VTE and DVT after reverse TSA from 2010 to 2019. Prescribed chemical VTE prophylaxis utilization after TSA markedly increased from 4.41% in 2010 to 11.70% utilization in 2019. The utilization of aspirin markedly increased from 17.27% in 2010 to 65.17% in 2019. Among anticoagulants, the utilization of direct factor Xa inhibitors increased from 0.0% utilization in 2010 to 66.09% utilization in 2019. The added reimbursements associated with VTE after TSA markedly decreased from $14,122 in 2010 to $4,348 in 2019. CONCLUSION The incidence and economic burden associated with VTE after TSA have markedly declined following the 2010 American Academy of Orthopaedic Surgeons clinical practice guidelines. This reduction can be attributed to both an increase in VTE prevention through increased utilization of prescribed chemoprophylaxis and improvement in VTE treatment strategies. LEVEL OF EVIDENCE Therapeutic, III.
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Affiliation(s)
- Amil R Agarwal
- From the Department of Orthopedic Surgery, George Washington Hospital, Washington DC (Agarwal and Stadecker), and the Johns Hopkins Department of Orthopaedic Surgery, Columbia, MD (Agarwal, Ahmed, Miller, Best, and Srikumaran)
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Issa TZ, Lambrechts MJ, Toci GR, D'Antonio ND, Kanhere AP, Lingenfelter K, Schroeder GD, Vaccaro AR. Cellular Bone Matrix Leading to Disseminated Tuberculosis After Spinal Fusion: A Report of 2 Cases. JBJS Case Connect 2023; 13:01709767-202306000-00016. [PMID: 37094038 DOI: 10.2106/jbjs.cc.23.00047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/26/2023]
Abstract
CASE Although implanted tuberculosis (TB) is rare, a single lot of cellular bone matrix was found to be infected with TB, leading to devastating outcomes. We present 2 cases referred to our institution because of instrumentation failure caused by TB inoculation of cellular bone matrix. CONCLUSION Irrespective of spinal region of implanted TB infection, excision of infected bone, extensive irrigation and debridement, and instrumented stabilization are of primary importance to ensure TB eradication and adequate stabilization.
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Affiliation(s)
- Tariq Z Issa
- Rothman Orthopaedic Institute at Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Mark J Lambrechts
- Rothman Orthopaedic Institute at Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Gregory R Toci
- Rothman Orthopaedic Institute at Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Nicholas D D'Antonio
- Rothman Orthopaedic Institute at Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Arun P Kanhere
- Rothman Orthopaedic Institute at Thomas Jefferson University, Philadelphia, Pennsylvania
| | | | - Gregory D Schroeder
- Rothman Orthopaedic Institute at Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Alexander R Vaccaro
- Rothman Orthopaedic Institute at Thomas Jefferson University, Philadelphia, Pennsylvania
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Kreulen RT, Agarwal AR, Nayar SK, Wang KY, Miller AS, Best MJ, Srikumaran U. SLAP repair and bicep tenodesis: a comparison of utilization and revision rates for SLAP tears. JSES Int 2023; 7:290-295. [PMID: 36911775 PMCID: PMC9998736 DOI: 10.1016/j.jseint.2022.11.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Hypothesis The management of superior labrum anterior to posterior (SLAP) tears typically consists of either repair or biceps tenodesis (BT). While repair is more frequently recommended in younger patients, patients older than 40 years are often treated with BT. The purpose of this study is to determine whether there has been a change in utilization of these procedures over the past decade with respect to patient age as well as compare reoperation rates between the two procedures. Methods The Pearldiver database was queried to identify BT and SLAP repairs indicated for SLAP tears performed from 2010 to 2019. The primary outcome was utilization rate, stratified by age. A secondary outcome was 2-year shoulder reoperation rates. Trends were reported in terms of compounded annual growth rate. Outcome analysis was conducted using univariate and multivariable analysis. Results From 2010 to 2019, SLAP repair was the most common procedure performed for SLAP tears. Regardless of age, BT performed for SLAP tear had a significantly increased utilization rate; whereas, SLAP repair had a significantly decreased utilization rate. SLAP repair was more commonly performed in younger patients compared to BT. Following multivariable analysis, patients who underwent SLAP repair had significantly higher odds (odds ratio (OR): 1.453; 95% confidence interval (CI): 1.26-1.68; P < .001) of requiring an arthroscopic reoperation within 2 years when compared to those who underwent BT with no significant difference with respect to 2-year open reoperation. Conclusion Although SLAP repair is still more commonly used to treat SLAP tears than BT, especially for younger patients, the utilization of SLAP repair is decreasing while BT is increasing. The increased utilization of BT may be associated with lower rates of shoulder reoperation for problematic SLAP tears.
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Affiliation(s)
| | | | | | | | | | | | - Uma Srikumaran
- Johns Hopkins Hospital, Baltimore, MD, USA
- Corresponding author: Uma Srikumaran, MD, MBA, MPH, Johns Hopkins Orthopaedic Surgery at Howard County General Hospital, 10700 Charter Drive, Suite 310, Columbia, MD 21044, USA.
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Bogdan P, Walocha D, Gordon AM, Lam A, Ng MK, Saleh A, Razi AE. The Divergence Between Hospital Charges and Reimbursements For Primary 1-2-level Lumbar Fusion Has Increased Over Time: A Medicare Administrative Claims Analysis. Clin Spine Surg 2023; 36:E1-E5. [PMID: 35759770 DOI: 10.1097/bsd.0000000000001361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/05/2021] [Accepted: 05/18/2022] [Indexed: 02/07/2023]
Abstract
STUDY DESIGN A retrospective cohort study was performed for patients undergoing 1-2-level lumbar fusion (1-2LF) from 2005 to 2014 using an administrative claims database. OBJECTIVE The objective of this study was to determine changes in: (1) annual charges; (2) annual reimbursement rates; and (3) annual difference (charges minus reimbursements) in patients undergoing 1-2LF. SUMMARY OF BACKGROUND DATA With implementation of value-based care in orthopaedics, coupled with the rise in number of patients undergoing 1-2LF, understanding the discordance in hospital charges and reimbursements is needed. The difference in hospital charges to reimbursements specifically for 1-2LF for degenerative disc disease has not been studied. MATERIALS AND METHODS A Medicare administrative claims database was queried for patients undergoing primary lumbar fusion using ICD-9 procedural code 81.04-81.08. Patients specifically undergoing 1-2LF were filtered from this cohort using ICD-9 procedural code 81.62. The query yielded 547,067 patients who underwent primary 1-2LF. Primary outcomes analyzed included trends in charges, reimbursement rates, and net difference in cost over time and per annual basis. Linear regression evaluated the change in costs over time with a P -value less than 0.05 considered significant. RESULTS From 2005 to 2014, total charges increased from $6,085,838,407 to $19,621,979,956 and total reimbursements increased from $1,677,764,831 to $4,656,702,685 (all P <0.001). Per patient charges increased 92.10% from 2005 to 2014 for patients undergoing primary 1-2LF from $129,992 to $249,697 ( P <0.001). Similarly, an increase in reimbursement per patient of 65.35% from $35,836 to $59,258 ( P <0.001) was noted. The annual difference in charges to reimbursements increased 102.26% during the study interval from $94,155 to $190,439 ( P <0.001). CONCLUSIONS Per patient charges and reimbursements both increased over the study period; however, charges increased 30% more than reimbursements. Further breakdown of hospital, surgeon, and anesthesiologist reimbursements for 1-2LF is needed. LEVEL OF EVIDENCE Level III.
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Affiliation(s)
- Paulina Bogdan
- Department of Orthopedic Surgery Maimonides Medical Center
- State University of New York (SUNY) Downstate, College of Medicine, Brooklyn, NY
| | - Daniel Walocha
- Department of Orthopedic Surgery Maimonides Medical Center
- State University of New York (SUNY) Downstate, College of Medicine, Brooklyn, NY
| | - Adam M Gordon
- Department of Orthopedic Surgery Maimonides Medical Center
| | - Aaron Lam
- Department of Orthopedic Surgery Maimonides Medical Center
| | - Mitchell K Ng
- Department of Orthopedic Surgery Maimonides Medical Center
| | - Ahmed Saleh
- Department of Orthopedic Surgery Maimonides Medical Center
| | - Afshin E Razi
- Department of Orthopedic Surgery Maimonides Medical Center
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Dalal SS, Dupree DA, Samuel AM, Vaishnav AS, Gang CH, Qureshi SA, Bumpass DB, Overley SC. Reoperations after primary and revision lumbar discectomy: study of a national-level cohort with eight years follow-up. Spine J 2022; 22:1983-1989. [PMID: 35724809 DOI: 10.1016/j.spinee.2022.06.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 05/19/2022] [Accepted: 06/13/2022] [Indexed: 02/03/2023]
Abstract
BACKGROUND CONTEXT Published rates for disc reherniation following primary discectomy are around 6%, but the ultimate reoperation outcomes in patients after receiving revision discectomy are not well understood. Additionally, any disparity in the outcomes of subsequent revision discectomy (SRD) versus subsequent lumbar fusion (SLF) following primary/revision discectomy remains poorly studied. PURPOSE To determine the 8-year SRD/SLF rates and time until SRD/SLF after primary/revision discectomy respectively. STUDY DESIGN Retrospective cohort study. PATIENT SAMPLE Patients undergoing primary or revision discectomy, with records in the PearlDiver Patient Records Database from the years 2010 to 2019. OUTCOME MEASURES Subsequent surgery type and time to subsequent surgery. METHODS Patients were grouped into primary or revision discectomy cohorts based off of the nature of "index" procedure (primary or revision discectomy) using ICD9/10 and CPT procedure codes from 2010 to 19 insurance data sets in the PearlDiver Patient Records Database. Preoperative demographic data was collected. Outcome measures such as subsequent surgery type (fusion or discectomy) and time to subsequent surgery were collected prospectively in PearlDiver Mariner database. Statistical analysis was performed using BellWeather statistical software. A Kaplan-Meier survival analysis of time to SLF/SRD was performed on each cohort, and log-rank test was used to compare the rates of SLF/SRD between cohorts. RESULTS A total of 20,147 patients were identified (17,849 primary discectomy, 2,298 revision discectomy). The 8-year rates of SRD (6.1% in revision cohort, 4.8% in primary cohort, p<.01) and SLF (10.4% in revision cohort, 6.2% in primary cohort, p<.01) were higher after revision versus primary discectomy. Time to SLF was shorter after revision versus primary discectomy (709 vs. 886 days, p<.01). After both primary and revision discectomy, the 8-year rate of SLF (10.4% in revision cohort, 6.2% in primary cohort, p<.01) is greater than SRD (6.1% in revision cohort, 4.8% in primary cohort, p<.01). CONCLUSIONS Compared to primary discectomy, revision discectomy has higher rates of SLF (10.4% vs. 6.2%), and faster time to SLF (2.4 vs. 1.9 years) at 8-year follow up.
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Affiliation(s)
- Sidhant S Dalal
- Hospital for Special Surgery, 535 East 70th St, New York, NY 10021, USA
| | - Devin A Dupree
- University of Arkansas for Medical Sciences, 4301 W Markham St, Little Rock, AR 72205, USA
| | - Andre M Samuel
- Hospital for Special Surgery, 535 East 70th St, New York, NY 10021, USA
| | - Avani S Vaishnav
- Hospital for Special Surgery, 535 East 70th St, New York, NY 10021, USA
| | | | - Sheeraz A Qureshi
- Hospital for Special Surgery, 535 East 70th St, New York, NY 10021, USA.
| | - David B Bumpass
- University of Arkansas for Medical Sciences, 4301 W Markham St, Little Rock, AR 72205, USA
| | - Samuel C Overley
- University of Arkansas for Medical Sciences, 4301 W Markham St, Little Rock, AR 72205, USA
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Wadhwa H, Leung C, Sklar M, Ames CP, Veeravagu A, Desai A, Ratliff J, Zygourakis CC. Utilization Trends, Cost, and Payments for Adult Spinal Deformity Surgery in Commercial and Medicare-Insured Populations. Neurosurgery 2022; 91:961-968. [PMID: 36136402 DOI: 10.1227/neu.0000000000002140] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Accepted: 07/12/2022] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Previous studies have characterized utilization rates and cost of adult spinal deformity (ASD) surgery, but the differences between these factors in commercially insured and Medicare populations are not well studied. OBJECTIVE To identify predictors of increased payments for ASD surgery in commercially insured and Medicare populations. METHODS We identified adult patients who underwent fusion for ASD, 2007 to 2015, in 20% Medicare inpatient file (n = 21 614) and MarketScan commercial insurance database (n = 38 789). Patient age, sex, race, insurance type, geographical region, Charlson Comorbidity Index, and length of stay were collected. Outcomes included predictors of increased payments, surgical utilization rates, total cost (calculated using Medicare charges and hospital-specific charge-to-cost ratios), and total Medicare and commercial payments for ASD. RESULTS Rates of fusion increased from 9.0 to 8.4 per 10 000 in 2007 to 20.7 and 18.2 per 10 000 in 2015 in commercial and Medicare populations, respectively. The Medicare median total charges increased from $88 106 to $144 367 (compound annual growth rate, CAGR: 5.6%), and the median total cost increased from $31 846 to $39 852 (CAGR: 2.5%). Commercial median total payments increased from $58 164 in 2007 to $64 634 in 2015 (CAGR: 1.2%) while Medicare median total payments decreased from $31 415 in 2007 to $25 959 in 2015 (CAGR: -2.1%). The Northeast and Western regions were associated with higher payments in both populations, but there is substantial state-level variation. CONCLUSION Rate of ASD surgery increased from 2007 to 2015 among commercial and Medicare beneficiaries. Despite increasing costs, Medicare payments decreased. Age, length of stay, and BMP usage were associated with increased payments for ASD surgery in both populations.
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Affiliation(s)
- Harsh Wadhwa
- Department of Neurosurgery, Stanford University Medical Center, Stanford, California, USA
| | - Christopher Leung
- Department of Neurosurgery, Stanford University Medical Center, Stanford, California, USA
| | - Matthew Sklar
- Department of Neurosurgery, Stanford University Medical Center, Stanford, California, USA
| | - Christopher P Ames
- Department of Neurological Surgery, University of California, San Francisco, San Francisco, California, USA
| | - Anand Veeravagu
- Department of Neurosurgery, Stanford University Medical Center, Stanford, California, USA
| | - Atman Desai
- Department of Neurosurgery, Stanford University Medical Center, Stanford, California, USA
| | - John Ratliff
- Department of Neurosurgery, Stanford University Medical Center, Stanford, California, USA
| | - Corinna C Zygourakis
- Department of Neurosurgery, Stanford University Medical Center, Stanford, California, USA
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Fuller SI, Cohen JS, Malyavko A, Agarwal AR, Stake S, Golladay GJ, Thakkar SC. Knee arthroplasty utilization trends from 2010 to 2019. Knee 2022; 39:209-215. [PMID: 36215923 DOI: 10.1016/j.knee.2022.09.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 07/24/2022] [Accepted: 09/18/2022] [Indexed: 12/13/2022]
Abstract
BACKGROUND Interest in partial knee arthroplasty procedures including unicompartmental arthroplasty (UKA), patellofemoral arthroplasty (PFA), and bicompartmental knee arthroplasty (BKA) has increased due to their bone and ligament preservation compared to total knee arthroplasty (TKA). Implant designs, changing thoughts on appropriate indications for partial knee arthroplasty, and availability of navigation also impacted the field over the last decade. The aims of this study were to evaluate trends over the last decade in utilization of 1) partial and total knee arthroplasty; and 2) computer-assistance in knee arthroplasty. METHODS A retrospective cohort analysis was conducted using the PearlDiver database. Patients who underwent PFA, UKA, BKA, and TKA for an indication of osteoarthritis (OA) were identified using Current Procedural Terminology (CPT) codes. Trends analysis from 2010 to 2019 was conducted to compare utilization based on procedure type and computer-assistance. Statistical analysis was conducted using Compounded Annual Growth Rates (CAGR) and linear regression. RESULTS From 2010 to 2019, there was a significant decrease in utilization of PFA (CAGR: -5.73 %; p = 0.011) and BKA (CAGR: -10.49 %; p = 0.013), but no significant difference in that of UKA (p = 0.224) and TKA (p = 0.421). There was a significant increase in the utilization of computer assistance for both UKA (CAGR: +19.81 %; p = 0.002) and TKA (CAGR: +3.90 %; p = 0.038), but there was no significant difference for computer-assisted PFA (p = 0.724) and BKA (p = 0.951). CONCLUSIONS TKA is still the most common arthroplasty procedure for OA. Decreased utilization of PFA and BKA may be explained by reported failure and revision rates for PFA and BKA compared to TKA.
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Affiliation(s)
- Samuel I Fuller
- Department of Orthopaedic Surgery, George Washington University Hospital, 2300 M St NW, Washington DC 20037, USA
| | - Jordan S Cohen
- Department of Orthopaedic Surgery, University of Pennsylvania, 3737 Market St, Philadelphia, PA 19104, USA
| | - Alisa Malyavko
- Department of Orthopaedic Surgery, George Washington University Hospital, 2300 M St NW, Washington DC 20037, USA.
| | - Amil R Agarwal
- Department of Orthopaedic Surgery, George Washington University Hospital, 2300 M St NW, Washington DC 20037, USA
| | - Seth Stake
- Department of Orthopaedic Surgery, George Washington University Hospital, 2300 M St NW, Washington DC 20037, USA
| | - Gregory J Golladay
- Department of Orthopaedic Surgery, Virginia Commonwealth University Health, Box 98053, 1200 E. Broad St., Richmond, VA 23298, USA
| | - Savyasachi C Thakkar
- Department of Orthopaedic Surgery, Adult Reconstruction Division, Johns Hopkins University, 10700 Charter Dr, Suite 205, Columbia, MD 21044, USA
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Karamian BA, Toci GR, Lambrechts MJ, Canseco JA, Basques B, Tran K, Alfonsi S, Rihn J, Kurd MF, Woods BI, Hilibrand AS, Kepler CK, Vaccaro AR, Schroeder GD, Kaye ID. Does Age Younger Than 65 Affect Clinical Outcomes in Medicare Patients Undergoing Lumbar Fusion? Clin Spine Surg 2022; 35:E714-E719. [PMID: 35700082 DOI: 10.1097/bsd.0000000000001347] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Accepted: 04/09/2022] [Indexed: 01/25/2023]
Abstract
STUDY DESIGN This was a retrospective cohort study. OBJECTIVE To determine if age (younger than 65) and Medicare status affect patient outcomes following lumbar fusion. SUMMARY OF BACKGROUND DATA Medicare is a common spine surgery insurance provider, but most qualifying patients are older than age 65. There is a paucity of literature investigating clinical outcomes for Medicare patients under the age of 65. MATERIALS AND METHODS Patients 40 years and older who underwent lumbar fusion surgery between 2014 and 2019 were queried from electronic medical records. Patients with >2 levels fused, >3 levels decompressed, incomplete patient-reported outcome measures (PROMs), revision procedures, and tumor/infection diagnosis were excluded. Patients were placed into 4 groups based on Medicare status and age: no Medicare under 65 years (NM<65), no Medicare 65 years or older (NM≥65), yes Medicare under 65 (YM<65), and yes Medicare 65 years or older (YM≥65). T tests and χ 2 tests analyzed univariate comparisons depending on continuous or categorical type. Multivariate regression for ∆PROMs controlled for confounders. Alpha was set at 0.05. RESULTS Of the 1097 patients, 567 were NM<65 (51.7%), 133 were NM≥65 (12.1%), 42 were YM<65 (3.8%), and 355 were YM≥65 (32.4%). The YM<65 group had significantly worse preoperative Visual Analog Scale back ( P =0.01) and preoperative and postoperative Oswestry Disability Index (ODI), Short-Form 12 Mental Component Score (MCS-12), and Physical Component Score (PCS-12). However, on regression analysis, there were no significant differences in ∆PROMs for YM <65 compared with YM≥65, and NM<65. NM<65 (compared with YM<65) was an independent predictor of decreased improvement in ∆ODI following surgery (β=12.61, P =0.007); however, overall the ODI was still lower in the NM<65 compared with the YM<65. CONCLUSION Medicare patients younger than 65 years undergoing lumbar fusion had significantly worse preoperative and postoperative PROMs. The perioperative improvement in outcomes was similar between groups with the exception of ∆ODI, which demonstrated greater improvement in Medicare patients younger than 65 compared with non-Medicare patients younger than 65. LEVEL OF EVIDENCE Level III (treatment).
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Affiliation(s)
- Brian A Karamian
- Department of Orthopaedic Surgery, Rothman Institute, Thomas Jefferson University, Philadelphia, PA
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Singh R, Moore ML, Hallak H, Shlobin NA, Brown N, Gendreau J, Meyer J, Haglin JM, Bydon M, Gottfried ON, Patel NP. Recent Trends in Medicare Utilization and Reimbursement for Lumbar Fusion Procedures: 2000-2019. World Neurosurg 2022; 165:e191-e196. [PMID: 35728787 DOI: 10.1016/j.wneu.2022.05.131] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Revised: 05/29/2022] [Accepted: 05/30/2022] [Indexed: 12/14/2022]
Abstract
OBJECTIVE Lumbar fusions are commonly performed spinal procedures. Despite this, publicly available lumbar fusion procedural and monetary data are sparse. This study aimed to evaluate trends in utilization and reimbursement for Medicare patients from 2000-2019. METHODS Medicare National Summary Data Files were used. Data were collected for true physician reimbursements and procedural rates for posterolateral fusion, anterior lumbar interbody fusion, posterior lumbar interbody fusion (PLIF), and combined PLIF and posterolateral fusion from 2000-2019. Reimbursement was adjusted to inflation utilizing the 2019 Consumer Price Index. RESULTS From 2000-2019, 1,266,942 lumbar fusion procedures were billed to Medicare Part B. Annual number of lumbar interbody fusion procedures increased by 57,740 procedures (+95%) from 61,017 in 2000 to 118,757 in 2019. This change in annual volume varied by procedure type, with posterolateral fusion increasing from 24,873 procedures in 2000 to 45,665 procedures in 2019 (+20,792, +83.59%), anterior lumbar interbody fusion increasing from 4227 in 2000 to 29,285 procedures in 2019 (+25,058, 592.81%), PLIF increasing from 5579 procedures in 2000 to 5628 procedures in 2019 (+49, +0.88%), and combined PLIF and posterolateral fusion increasing from 26,338 procedures in 2012 to 38,179 procedures in 2019 (+11,841, +44.96%). The mean inflation-adjusted reimbursement decreased for posterolateral fusion from $1662.96 to $1245.85 (-$417.11, -25.08%), anterior lumbar interbody fusion from $1159.45 to $750.33 (-$409.12, -35.29%), PLIF from $1225.02 to $1223.72 (-$1.3, -0.11%), and combined PLIF and posterolateral fusion from $1541.59 per procedure in 2012 to $1467.08 per procedure in 2019. CONCLUSIONS Lumbar fusions have increased in the last 2 decades, although reimbursement for all procedures has decreased. Knowledge of these trends is important to ensure adequate resource allocation to surgeons as treating lumbar pathologies becomes more common among the aging Medicare population.
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Affiliation(s)
- Rohin Singh
- Mayo Clinic Alix School of Medicine, Mayo Clinic, Scottsdale, Arizona, USA; Department of Orthopedic Surgery, Mayo Clinic, Phoenix, Arizona, USA.
| | - M Lane Moore
- Mayo Clinic Alix School of Medicine, Mayo Clinic, Scottsdale, Arizona, USA
| | - Hana Hallak
- Department of Neurologic Surgery, Mayo Clinic, Rochester, Minnesota, USA
| | - Nathan A Shlobin
- Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Nolan Brown
- University of California, Irvine, School of Medicine, Irvine, California, USA
| | - Julian Gendreau
- Department of Biomedical Engineering, Johns Hopkins University, Baltimore, Maryland, USA
| | - Jenna Meyer
- Mayo Clinic Alix School of Medicine, Mayo Clinic, Scottsdale, Arizona, USA
| | - Jack M Haglin
- Department of Orthopedic Surgery, Mayo Clinic, Phoenix, Arizona, USA
| | - Mohamad Bydon
- Department of Neurologic Surgery, Mayo Clinic, Rochester, Minnesota, USA
| | - Oren N Gottfried
- Department of Neurologic Surgery, Duke University, Durham, North Carolina, USA
| | - Naresh P Patel
- Mayo Clinic Alix School of Medicine, Mayo Clinic, Scottsdale, Arizona, USA; Department of Neurologic Surgery, Mayo Clinic, Phoenix, Arizona, USA
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Construct and Validate a Predictive Model for Surgical Site Infection after Posterior Lumbar Interbody Fusion Based on Machine Learning Algorithm. COMPUTATIONAL AND MATHEMATICAL METHODS IN MEDICINE 2022; 2022:2697841. [PMID: 36050996 PMCID: PMC9427297 DOI: 10.1155/2022/2697841] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Revised: 07/28/2022] [Accepted: 08/06/2022] [Indexed: 11/17/2022]
Abstract
Purpose. Surgical site infection is one of the serious complications after lumbar fusion. Early prediction and timely intervention can reduce the harm to patients. The aims of this study were to construct and validate a machine learning model for predicting surgical site infection after posterior lumbar interbody fusion, to screen out the most important risk factors for surgical site infection, and to explore whether synthetic minority oversampling technique could improve the model performance. Method. This study reviewed 584 patients who underwent posterior lumbar interbody fusion for degenerative lumbar disease at our center from January 2019 to August 2021. Clinical information and laboratory test data were collected from the electronic medical records. The original dataset was divided into training set and validation set in a 1 : 1 ratio. Seven machine learning algorithms were used to develop predictive models; the training set of each model was resampled using synthetic minority oversampling technique. Finally, the model performance was assessed in the validation set. Results. Of the 584 patients, 33 (5.65%) occurred surgical site infection. Stepwise logistic regression showed that preoperative albumin level (OR 0.659, 95% CI 0.563-0.756), diabetes (OR 9.129, 95% CI 3.816-23.126), intraoperative dural tear (OR 8.436, 95% CI 2.729-25.334), and rheumatic disease (OR 8.471, 95% CI 1.743-39.567) were significant predictors associated with surgical site infection. The performance of the AdaBoost Classification Trees model was the best among the seven machine learning models, and synthetic minority oversampling technique improved the performance of all models. Conclusion. The prediction model we constructed based on machine learning and synthetic minority oversampling technique can accurately predict surgical site infection, which is conducive to clinical decision-making and optimization of perioperative management.
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Ackerman SJ, Deol GS, Polly DW. Cost-Utility Analysis of Sacroiliac Joint Fusion in High-Risk Patients Undergoing Multi-Level Lumbar Fusion to the Sacrum. CLINICOECONOMICS AND OUTCOMES RESEARCH 2022; 14:523-535. [PMID: 35966399 PMCID: PMC9374202 DOI: 10.2147/ceor.s377132] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Accepted: 07/29/2022] [Indexed: 11/23/2022] Open
Abstract
Purpose Multi-level lumbar fusion to the sacrum (MLF) can lead to increased stress and angular motion across the sacroiliac joint (SIJ), with an incidence of post-operative SIJ pain estimated at 26–32%. SIJ fusion (SIJF) can help obviate the need for revisions by reducing range of motion and screw stresses. We aimed to evaluate the cost-utility of MLF + SIJF compared to MLF alone among high-risk patients from a payer perspective, where high risk is defined as high body mass index and high pelvic incidence. Methods A Markov process decision-analysis model was developed to evaluate cumulative 5-year costs, quality-adjusted life years (QALYs), and incremental cost-effectiveness ratio (ICER) of MLF + SIJF compared to MLF alone using published data; costs from Medicare claims data analyses and health state utility values (derived from EQ-5D) informed by three prospective, multicenter, clinical trials. The base case assumed a reduction in post-operative SIJ pain from 30% to 10% (relative risk reduction [RRR] of 67%). Costs and utilities were discounted 3% annually. The ICER is reported in 2020 US dollars. One-way, multi-way, and probabilistic sensitivity analyses were performed. Results With an assumed 30% incidence of SIJ pain after MLF alone, stabilizing with SIJF was associated with an additional 5-year cost of $2421 and a gain of 0.14 QALYs, resulting in an ICER of $17,293 per QALY gained (similar to total knee arthroplasty and more favorable than open discectomy). ICERs were most sensitive to the RRR of post-operative SIJ pain conferred by SIJF, time horizon, and probability of successful treatment with MLF alone. At a willingness-to-pay threshold of $50,000/QALY gained, MLF + SIJF has a 97.7% probability of being cost-effective in the target patient population. Conclusion Fusing the SIJ in high-risk patients undergoing MLF was cost-effective when the incidence of post-operative SIJ pain after MLF alone exceeds approximately 25%, providing value-based healthcare from a payer perspective.
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Affiliation(s)
- Stacey J Ackerman
- Department of Biomedical Engineering, Johns Hopkins University, San Diego, CA, USA
| | | | - David W Polly
- Department of Orthopedic Surgery, University of Minnesota, Minneapolis, MN, USA
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Avis G, Gricourt Y, Vialatte PB, Meunier V, Perin M, Simon N, Claret PG, El Fertit H, Lefrant JY, Bertrand M, Cuvillon P. Analgesic efficacy of erector spinae plane blocks for lumbar spine surgery: a randomized double-blind controlled clinical trial. Reg Anesth Pain Med 2022; 47:rapm-2022-103737. [PMID: 35863786 DOI: 10.1136/rapm-2022-103737] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Accepted: 07/06/2022] [Indexed: 11/04/2022]
Abstract
INTRODUCTION Erector spinae plane block has been proposed to reduce opioid use and improve pain relief with controversial results. This randomized clinical study aimed to assess the efficacy of erector spinae plane block in major spine surgery including multimodal and 'Enhance Recovery After Surgery' programs. METHOD After institutional review board approval, adult patients undergoing elective lumbar spine surgery with standardized general anesthesia, rehabilitation and multimodal analgesia protocols were randomly allocated to receive bilateral ultrasound-guided block with saline versus ropivacaine (3.75 mg/mL). Before surgery, a bilateral erector spinae plane block was performed at lumbar level (third vertebrae) with 20 mL of solution for each side. The primary outcome was morphine consumption after 24 hours. Secondary outcomes included pain scores and side effects, from postanesthesia care unit to discharge, and questionnaires at 3 months on pain and quality of life (EQ-5D). RESULTS From November 2019 to July 2021, 50 patients were enrolled with similar characteristics and surgery for each group. After the first 24 hours, there was no statistical difference regarding cumulative intravenous morphine consumption between ropivacaine and saline groups: 7.3 mg (3.7-19) vs 12.5 mg (3.5-26) (p=0.51). Over the five postoperative days, opioid sparing, pain scores and side effects were similar between groups. At 3 months, pain relief, incidence of chronic pain and EQ-5D were similar between groups. DISCUSSION Erector spinae plane block used in conjunction with 'Enhance Recovery After Surgery' and multimodal analgesia protocols provides limited reduction in opioid consumption and no long-term benefits. TRIAL REGISTRATION NUMBER EudraCT 2019-001678-26.
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Affiliation(s)
- Geoffrey Avis
- Staff Anesthesiologists, Department of Anaesthesiology and Pain Management, Centre Hospitalo-Universitaire (CHU), University Hospital Group Caremeau, Nimes, France
- Département Anesthésie Réanimation, Centre Hospitalo Universitaire Carémeau, Montpellier University 1, Montpellier, France
| | - Yann Gricourt
- Département Anesthésie Réanimation, University Hospital Group Caremeau, Nimes, France
| | - Pierre Baptiste Vialatte
- Staff Anesthesiologists, Department of Anaesthesiology and Pain Management, Centre Hospitalo-Universitaire (CHU), University Hospital Group Caremeau, Nimes, France
- Département Anesthésie Réanimation, Centre Hospitalo Universitaire Carémeau, Montpellier University 1, Montpellier, France
| | - Victor Meunier
- Staff Anesthesiologists, Department of Anaesthesiology and Pain Management, Centre Hospitalo-Universitaire (CHU), University Hospital Group Caremeau, Nimes, France
- Département Anesthésie Réanimation, Centre Hospitalo Universitaire Carémeau, Montpellier University 1, Montpellier, France
| | - Mikael Perin
- Département Anesthésie Réanimation, University Hospital Group Caremeau, Nimes, France
| | - Natacha Simon
- Département Anesthésie Réanimation, University Hospital Group Caremeau, Nimes, France
| | - Pierre-Geraud Claret
- Department of Emergency, Nîmes University Hospital, University Hospital Group Caremeau, Nimes, France
- Department of Digestive, Surgery Centre Hospitalo-Universitaire (CHU), Nîmes, France
| | - Hassan El Fertit
- Department of Spine Surgery, Centre Hospitalo-Universitaire (CHU), University Hospital Group Caremeau, Nimes, France
| | - Jean-Yves Lefrant
- Staff Anesthesiologists, Department of Anaesthesiology and Pain Management, Centre Hospitalo-Universitaire (CHU), University Hospital Group Caremeau, Nimes, France
- Département Anesthésie Réanimation, Centre Hospitalo Universitaire Carémeau, Montpellier University 1, Montpellier, France
| | - Martin Bertrand
- Département Anesthésie Réanimation, Centre Hospitalo Universitaire Carémeau, Montpellier University 1, Montpellier, France
- Department of Digestive, Surgery Centre Hospitalo-Universitaire (CHU), Nîmes, France
- Département Chirurgie Digestive, France and Laboratory of Experimental Anatomy, Montpellier, France
| | - Philippe Cuvillon
- Department of Anaesthesiology, University Hospital Group Caremeau, Nimes, France
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Trends in utilization and patient demographics for shoulder instability procedures from 2010 to 2019. J Shoulder Elbow Surg 2022; 31:S13-S17. [PMID: 35063643 DOI: 10.1016/j.jse.2021.12.020] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 12/10/2021] [Accepted: 12/12/2021] [Indexed: 02/01/2023]
Abstract
BACKGROUND Improved techniques and increased surgeon experience have optimized surgical care in patients with recurrent shoulder instability. Several techniques are used for surgical repair of shoulder instability, yet there are limited data on how utilization has changed over the past decade. The aim of this study was to assess trends in the utilization rate and patient demographic characteristics (age and sex) from 2010 to 2019 for 4 shoulder instability procedures: coracoid transfer/Latarjet procedure (LP), anterior bone block (ABB), open Bankart repair (OBR), and arthroscopic Bankart repair (ABR). METHODS We identified >87,000 patients using an all-payer claims database. The utilization rate was defined as the number of cases of a procedure divided by the total number of surgical cases for shoulder instability for any given year. Age was divided into 3 groups: <25 years, 25-35 years, and >35 years. Trends were reported in terms of the compounded annual growth rate (CAGR). RESULTS Although ABR was the most common shoulder instability procedure overall (91% utilization rate), the LP had the greatest increase in utilization from 2010 to 2019 (2.0% to 4.5%; CAGR, +9.8%). In comparison, the utilization of ABB procedures increased by 4.3% annually whereas that of OBR declined by 6.9% annually. The utilization of ABR showed minimal change. Notably, the LP was performed more frequently in younger patients over time. The percentage of patients aged < 25 years who underwent the LP increased from 30% to 41% from 2010 to 2019 (CAGR, +3.4%). There was a trend toward the performance of more LPs in men than in women (+1.2% vs. -3.5%, P < .05), although most cases (68%) were still performed in men. CONCLUSION ABR continues to account for most shoulder instability procedures. The LP had the greatest increase in the utilization rate from 2010 to 2019 and has now surpassed OBR in the utilization rate. ABB procedures are also being more frequently performed but only represent a minority of stabilization cases. During the course of the study period, a greater percentage of patients undergoing shoulder instability procedures were male individuals and were aged < 25 years.
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Surgeon Volume and Social Disparity are Associated with Post-Operative Complications After Lumbar Fusion. World Neurosurg 2022; 163:e162-e176. [PMID: 35378315 DOI: 10.1016/j.wneu.2022.03.083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Accepted: 03/19/2022] [Indexed: 11/21/2022]
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Ambulatory Surgery Centers Versus Hospital Outpatient Departments for Orthopaedic Surgeries. J Am Acad Orthop Surg 2022; 30:207-214. [PMID: 35143432 DOI: 10.5435/jaaos-d-21-00739] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/10/2021] [Accepted: 11/27/2021] [Indexed: 02/01/2023] Open
Abstract
BACKGROUND The goals of this study were to compare the utilization and costs of ambulatory surgery centers (ASCs) versus hospital outpatient department (HOPD) for commonly performed outpatient orthopaedic surgical procedures. METHODS Commercially insured patients undergoing elective, outpatient orthopaedic surgery were queried using an administrative claims database. We queried the following surgeries: carpal tunnel release, lumbar microdiskectomy, anterior cruciate ligament reconstruction, knee arthroscopy, arthroscopic rotator cuff repair, and bunion repair. Total costs were defined as the sum of all payments for a surgical episode. Professional fees were defined as payments to the primary orthopaedic surgeon and technical fees as all other payments. Comparisons between ASC and HOPD reimbursements were conducted using bivariate statistics and generalized linear models controlling for patient age, sex, and Elixhauser comorbidity index. RESULTS Among 990,980 cases of outpatient orthopaedic surgery done from 2013 to 2018, the utilization rate of ASCs increased from 31% to 34% across all procedures assessed: compound annual growth rate of 3.3% for lumbar microdiscectomy, 1.8% for knee arthroscopy, 1.4% for anterior cruciate ligament, 1.4% for carpal tunnel release, 1.2% for arthroscopic rotator cuff repair, and 0.5% for bunion repair (P < 0.001 for all). The average total costs were 26% lower at ASCs than HOPDs (P < 0.001 for each procedure). The average technical fees were 33% lower at ASCs than HOPDs (P < 0.001 for each procedure). Both total costs and technical fees were less for ASCs than HOPDs after controlling for patient age, sex, and Elixhauser comorbidity index (P < 0.001 for each procedure). Over the study period, the mean total costs at HOPDs increased by 2.5% yearly, whereas the mean total costs at ASCs decreased by 0.1% yearly. The average surgeon professional fees declined in both care settings over time. CONCLUSION From 2013 to 2018, there was an increase in ASC utilization for common outpatient orthopaedic surgeries. ASCs were overall less costly than HOPDs for outpatient orthopaedic surgeries. LEVEL OF EVIDENCE IV.
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Pollock JR, Richman EH, Estipona BI, Moore ML, Brinkman JC, Hinckley NB, Haglin JM, Chhabra A. Inflation-Adjusted Medicare Reimbursement Has Decreased for Orthopaedic Sports Medicine Procedures: Analysis From 2000 to 2020. Orthop J Sports Med 2022; 10:23259671211073722. [PMID: 35174250 PMCID: PMC8842183 DOI: 10.1177/23259671211073722] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/12/2021] [Accepted: 11/08/2021] [Indexed: 11/16/2022] Open
Abstract
Background: Decreases in Medicare reimbursement have been noted among many medical specialties. An in-depth analysis of the subspecialty of orthopaedic sports medicine is needed to determine changes in Medicare reimbursement in this field. Purpose/Hypothesis: The purpose was to elucidate the trends in inflation-adjusted Medicare reimbursement for orthopaedic sports medicine procedures between 2000 and 2020. It was hypothesized that Medicare reimbursement decreased substantially during the study period. Study Design: Economic decision and analysis; Level of evidence, 4. Methods: The Physician Fee Schedule Look-up Tool was used to extract Medicare reimbursement information between 2000 and 2020 for 67 procedures related to orthopaedic sports medicine. These values were adjusted for inflation using the Consumer Price Index. The compound annual growth rate (CAGR) was calculated to measure the annual rate of change, and descriptive analyses were performed using the Student t test. Results: Between 2000 and 2020, inflation-adjusted Medicare reimbursement for the 67 included procedures decreased by an average of 33% (CAGR = –2.2%; R 2 = 0.78). Reimbursement decreased for procedures related to the shoulder and elbow by 34% (CAGR = –2.3%; R 2 = 0.80), for hip-related procedures by 23% (CAGR = –1.4%; R 2 = 0.77), for knee-related procedures by 31% (CAGR = –2.0%; R 2 = 0.81), and for procedures relating to the foot and ankle by 38% (CAGR = –2.5%; R 2 = 0.79). Conclusion: Study findings indicated that inflation-adjusted Medicare reimbursement decreased substantially between 2000 and 2020 for orthopaedic sports medicine procedures, ranging from a 23% decrease for hip-related procedures to a 38% decrease for foot and ankle–related procedures. The results of this study could be used to provide further context for health care policy decisions and help ensure sustainable financial environments for orthopaedic sports medicine surgeon.
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Affiliation(s)
| | | | | | - M. Lane Moore
- Mayo Clinic Alix School of Medicine, Scottsdale, Arizona, USA
| | | | | | - Jack M. Haglin
- Mayo Clinic Alix School of Medicine, Scottsdale, Arizona, USA
| | - Anikar Chhabra
- Department of Orthopedic Surgery, Mayo Clinic, Phoenix, Arizona, USA
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Zhang Z, Gewandter JS, Geha P. Brain Imaging Biomarkers for Chronic Pain. Front Neurol 2022; 12:734821. [PMID: 35046881 PMCID: PMC8763372 DOI: 10.3389/fneur.2021.734821] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Accepted: 12/08/2021] [Indexed: 12/14/2022] Open
Abstract
The prevalence of chronic pain has reached epidemic levels. In addition to personal suffering chronic pain is associated with psychiatric and medical co-morbidities, notably substance misuse, and a huge a societal cost amounting to hundreds of billions of dollars annually in medical cost, lost wages, and productivity. Chronic pain does not have a cure or quantitative diagnostic or prognostic tools. In this manuscript we provide evidence that this situation is about to change. We first start by summarizing our current understanding of the role of the brain in the pathogenesis of chronic pain. We particularly focus on the concept of learning in the emergence of chronic pain, and the implication of the limbic brain circuitry and dopaminergic signaling, which underly emotional learning and decision making, in this process. Next, we summarize data from our labs and from other groups on the latest brain imaging findings in different chronic pain conditions focusing on results with significant potential for translation into clinical applications. The gaps in the study of chronic pain and brain imaging are highlighted in throughout the overview. Finally, we conclude by discussing the costs and benefits of using brain biomarkers of chronic pain and compare to other potential markers.
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Affiliation(s)
- Zhengwu Zhang
- Department of Statistics and Operations Research, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
| | - Jennifer S Gewandter
- Anesthesiology and Perioperative Medicine, School of Medicine and Dentistry, University of Rochester, Rochester, NY, United States
| | - Paul Geha
- Department of Psychiatry, School of Medicine and Dentistry, University of Rochester, Rochester, NY, United States.,Department of Neurology, School of Medicine and Dentistry, University of Rochester, Rochester, NY, United States.,Del Monte Neuroscience Institute, University of Rochester, Rochester, NY, United States
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Lopez CD, Boddapati V, Schweppe EA, Levine WN, Lehman RA, Lenke LG. Recent Trends in Medicare Utilization and Reimbursement for Orthopaedic Procedures Performed at Ambulatory Surgery Centers. J Bone Joint Surg Am 2021; 103:1383-1391. [PMID: 33780398 DOI: 10.2106/jbjs.20.01105] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND As part of a market-driven response to the increasing costs of hospital-based surgical care, an increasing volume of orthopaedic procedures are being performed in ambulatory surgery centers (ASCs). The purpose of the present study was to identify recent trends in orthopaedic ASC procedure volume, utilization, and reimbursements in the Medicare system between 2012 and 2017. METHODS This cross-sectional, national study tracked annual Medicare claims and payments and aggregated data at the county level. Descriptive statistics and multivariate regression models were used to evaluate trends in procedure volume, utilization rates, and reimbursement rates, and to identify demographic predictors of ASC utilization. RESULTS A total of 1,914,905 orthopaedic procedures were performed at ASCs in the Medicare population between 2012 and 2017, with an 8.8% increase in annual procedure volume and a 10.5% increase in average reimbursements per case. ASC orthopaedic procedure utilization, including utilization across all subspecialties, is strongly associated with metropolitan areas compared with rural areas. In addition, orthopaedic procedure utilization, including for sports and hand procedures, was found to be significantly higher in wealthier counties (measured by average household income) and in counties located in the South. CONCLUSIONS This study demonstrated increasing orthopaedic ASC procedure volume in recent years, driven by increases in hand procedure volume. Medicare reimbursements per case have steadily risen and outpaced the rate of inflation over the study period. However, as orthopaedic practice overhead continues to increase, other Medicare expenditures such as hospital payments and operational and implant costs also must be evaluated. These findings may provide a source of information that can be used by orthopaedic surgeons, policy makers, investors, and other stakeholders to make informed decisions regarding the costs and benefits of the use of ASCs for orthopaedic procedures.
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Affiliation(s)
- Cesar D Lopez
- Department of Orthopaedic Surgery, Columbia University Irving Medical Center, New York, NY
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