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Shimizu MR, Buddhiraju A, Lin-Wei Chen T, Huang Z, Chen SF, Xiao P, RezazadehSaatlou M, Kwon YM. Socioeconomic area deprivation index is not associated with postoperative complications following revision total hip and knee joint arthroplasty. J Orthop 2024; 58:135-139. [PMID: 39100544 PMCID: PMC11295536 DOI: 10.1016/j.jor.2024.07.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/15/2024] [Accepted: 07/15/2024] [Indexed: 08/06/2024] Open
Abstract
Introduction Revision hip and knee total joint arthroplasty (TJA) carries a high burden of postoperative complications, including surgical site infections (SSI), venous thromboembolism (VTE), reoperation, and readmission, which negatively affect postoperative outcomes and patient satisfaction. Socioeconomic area-level composite indices such as the area deprivation index (ADI) are increasingly important measures of social determinants of health (SDoH). This study aims to determine the potential association between ADI and SSI, VTE, reoperation, and readmission occurrence 90 days following revision TJA. Methods 1047 consecutive revision TJA patients were retrospectively reviewed. Complications, including SSI, VTE, reoperation, and readmission, were combined into one dependent variable. ADI rankings were extracted using residential zip codes and categorized into quartiles. Univariate and multivariate logistic regressions were performed to analyze the association of ADI as an independent factor for complication following revision TJA. Results Depression (p = 0.034) and high ASA score (p < 0.001) were associated with higher odds of a combined complication postoperatively on univariate logistic regression. ADI was not associated with the occurrence of any of the complications recorded following surgery (p = 0.092). ASA remained an independent risk factor for developing postoperative complications on multivariate analysis. Conclusion An ASA score of 3 or higher was significantly associated with higher odds of developing postoperative complications. Our findings suggest that ADI alone may not be a sufficient tool for predicting postoperative outcomes following revision TJA, and other area-level indices should be further investigated as potential markers of social determinants of health.
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Affiliation(s)
- Michelle Riyo Shimizu
- Bioengineering Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, 02114, USA
| | - Anirudh Buddhiraju
- Bioengineering Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, 02114, USA
| | - Tony Lin-Wei Chen
- Bioengineering Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, 02114, USA
| | - Ziwei Huang
- Bioengineering Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, 02114, USA
| | - Shane Fei Chen
- Bioengineering Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, 02114, USA
| | - Pengwei Xiao
- Bioengineering Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, 02114, USA
| | - MohammadAmin RezazadehSaatlou
- Bioengineering Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, 02114, USA
| | - Young-Min Kwon
- Bioengineering Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, 02114, USA
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Lim PL, Kumar AR, Melnic CM, Bedair HS. Revision Total Knee Arthroplasty Achieves Minimal Clinically Important Difference Faster than Primary Total Knee Arthroplasty. J Arthroplasty 2024:S0883-5403(24)00882-9. [PMID: 39218237 DOI: 10.1016/j.arth.2024.08.038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/15/2024] [Revised: 08/21/2024] [Accepted: 08/23/2024] [Indexed: 09/04/2024] Open
Abstract
INTRODUCTION Revision total knee arthroplasty (rTKA) remains underexplored regarding patient-reported outcome measures (PROMs), particularly in terms of time to reach Minimal Clinically Important Difference (MCID). This study addresses this gap by comparing the time to achieve MCID between primary TKA (pTKA) and rTKA patients, providing valuable insights into their recovery trajectories. METHODS A total of 8,266 TKAs (7,618 pTKA and 648 rTKA) were retrospectively studied in a multi-institutional arthroplasty registry. Patients who completed the Patient-Reported Outcomes Measurement Information System (PROMIS) Global Physical, PROMIS Physical Function Short Form 10a (PF-10a), and Knee Injury and Osteoarthritis Outcome Score-Physical Function Short Form (KOOS-PS) questionnaires were identified by Current Procedural Terminology (CPT) codes. Survival curves with and without interval-censoring were utilized to evaluate the time to achieve MCID. RESULTS Comparing the time to achieve MCID, rTKAs were significantly faster than pTKA for PROMIS Global Physical (3.5 versus 3.7 months, P = 0.004) and KOOS-PS (3.3 versus 4.2 months, P < 0.001), but similar for PROMIS PF-10a (4.4 versus 4.8 months, P = 0.057). Interval-censoring also showed similar trends with earlier times to achieve MCID for rTKAs for PROMIS Global Physical (0.6 to 0.61 versus 0.97 to 0.97 months, P = 0.009) and KOOS-PS (0.97 to 0.97 versus 1.47 to 1.47 months, P < 0.001), but not for PROMIS PF-10a (2.43 to 2.54 versus 1.90 to 1.91 months, P = 0.92). CONCLUSION The present study revealed that the time to achieve MCID was faster in patients undergoing rTKA compared to those undergoing pTKA. These findings allow surgeons to reassure preoperative revision TKA patients that their recovery to a minimal clinically important difference postoperatively may be quicker than expected, especially when compared to their initial recovery after primary TKA.
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Affiliation(s)
- Perry L Lim
- Department of Orthopaedic Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts; Department of Orthopaedic Surgery, Newton-Wellesley Hospital, Newton, Massachusetts
| | - Arun R Kumar
- Department of Orthopaedic Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts; Department of Orthopaedic Surgery, Newton-Wellesley Hospital, Newton, Massachusetts
| | - Christopher M Melnic
- Department of Orthopaedic Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts; Department of Orthopaedic Surgery, Newton-Wellesley Hospital, Newton, Massachusetts
| | - Hany S Bedair
- Department of Orthopaedic Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts; Department of Orthopaedic Surgery, Newton-Wellesley Hospital, Newton, Massachusetts.
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Magruder ML, Coppolecchia A, Jacofsky DJ, Mont MA. Economic Studies for Lower Extremity Joint Arthroplasty: An Example-Based Review. J Arthroplasty 2024:S0883-5403(24)00873-8. [PMID: 39182531 DOI: 10.1016/j.arth.2024.08.029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/19/2024] [Revised: 06/20/2024] [Accepted: 08/19/2024] [Indexed: 08/27/2024] Open
Abstract
As healthcare costs in the United States continue to rise, understanding the various economic studies and what constitutes them will become increasingly important for orthopaedic surgeons. In this review, we discuss the three major types of economics studies and provide examples of each. Cost-effective analyses are the gold standard for economic analyses and allow for the direct comparison of monetary costs and patient-centered outcomes. Cost-benefit analyses are similar to cost-effective analyses but compare both costs and benefits in monetary terms. Cost minimization analyses are the most common type of economic analysis, and they simply compare costs between two experimental groups. Also, we discuss the different types of costs, i.e., healthcare system costs and reimbursements, and how the use of each type affects the conclusions that researchers can draw.
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Affiliation(s)
- Matthew L Magruder
- Maimonidies Medical Center, Department of Orthopaedic Surgery, Brooklyn, New York.
| | | | | | - Michael A Mont
- Rubin Institute for Advanced Orthopedics, Sinai Hospital of Baltimore, Baltimore, Maryland
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Parikh N, Hobbs J, Gabrielli A, Sakaria S, Wellens B, Krueger CA. Rising Costs and Diminishing Surgeon Reimbursement From Primary to Revision Total Hip and Knee Arthroplasty: An Analysis of Medicare Advantage and Commercial Insurance. J Am Acad Orthop Surg 2024:00124635-990000000-01055. [PMID: 39053143 DOI: 10.5435/jaaos-d-23-01196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/10/2023] [Accepted: 02/28/2024] [Indexed: 07/27/2024] Open
Abstract
BACKGROUND Revision total joint arthroplasty (rTJA) is a resource-intensive procedure addressing failed primary total joint hip (total hip arthroplasty [THA]) and knee arthroplasty (total knee arthroplasty [TKA]). Despite predictions of increased demand, reimbursement for rTJA has not kept pace with increasing costs and may be insufficient compared with primary procedures. The study aimed to highlight the diminishing surgeon reimbursement between primary and revision THA (rTHA) and TKA. METHODS This study is a retrospective analysis of billing data for primary and rTHA and TKA procedures from a single institution between 2019 and 2022. Insurance claims and charges data were provided by a local affiliate of a major national carrier which includes Medicare Advantage (MA) and commercial patients. Using insurance data, the study evaluates the total surgery costs for primary and rTHA and TKA and the individual charges that make up the total surgery cost. RESULTS Nine hundred five patients insured by the same carrier, who underwent a primary or rTJA, were identified. Irrespective of MA or commercial insurance, the average surgery cost for a primary THA was $26,043, compared with $53,456 for rTHA. Surgeon reimbursement for primary THA was 20% ($5,323) of the total surgery cost. Despite the doubled surgery cost for rTHA, surgeon reimbursement was 10% ($5,257) of the total surgery cost. Primary TKA surgery costs were $24,489, while revision costs were $43,074. Surgeon reimbursement for primary TKA was 20% ($4,918) of the total surgery cost, while reimbursement for revision TKA was 13% ($5,560). MA reimbursement was markedly lower than commercial reimbursement for primary and revision cases. CONCLUSION Despite the higher total costs for rTJA, surgeon reimbursement is disproportionately diminished. The findings highlight the lack of incentive for revision cases. Surgeon reimbursement from MA and commercially insured patients for rTJA remains inadequate. This may limit patient access-to-care, leading to suboptimal outcomes and increased healthcare utilization.
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Affiliation(s)
- Nihir Parikh
- From the Rothman Orthopaedic Institute at Thomas Jefferson University, Philadelphia, PA (Parikh, Hobbs, Gabrielli, Wellens, and Krueger), and Nova Southeastern University Dr. Kiran C. Patel College of Allopathic Medicine, Fort Lauderdale, FL (Sakaria)
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Liimakka AP, Amen TB, Weaver MJ, Shah VM, Lange JK, Chen AF. Racial and Ethnic Minority Patients Have Increased Complication Risks When Undergoing Surgery While Not Meeting Clinical Guidelines. J Bone Joint Surg Am 2024; 106:976-983. [PMID: 38512988 DOI: 10.2106/jbjs.23.00706] [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] [Indexed: 03/23/2024]
Abstract
BACKGROUND Clinical guidelines for performing total joint arthroplasty (TJA) have not been uniformly adopted in practice because research has suggested that they may foster inequities in surgical access, potentially disadvantaging minority sociodemographic groups. The aim of this study was to assess whether undergoing TJA without meeting clinical guidelines affects complication risk and leads to disparities in postoperative outcomes. METHODS This retrospective cohort study evaluated the records of 11,611 adult patients who underwent primary TJA from January 1, 2010, to December 31, 2020, at an academic hospital network. Based on self-reported race and ethnicity, 89.5% of patients were White, 3.5% were Black, 2.9% were Hispanic, 1.3% were Asian, and 2.8% were classified as other. Patients met institutional guidelines for undergoing TJA if they had a hemoglobin A1c of <8.0% and a body mass index of <40 kg/m 2 and were not currently smoking. A logistic regression model was utilized to identify factors associated with complications, and a mixed-effects model was utilized to identify factors associated with not meeting guidelines for undergoing TJA. RESULTS During the study period, 11% (1,274) of the 11,611 adults who underwent primary TJA did not meet clinical guidelines. Compared with the group who met guidelines, the group who did not had higher proportions of Black patients (3.2% versus 6.0%; p < 0.001) and Hispanic patients (2.7% versus 4.6%; p < 0.001). An increased risk of not meeting guidelines at the time of surgery was demonstrated among Black patients (odds ratio [OR], 1.60 [95% confidence interval (CI), 1.22 to 2.10]; p = 0.001) and patients insured by Medicaid (OR, 1.75 [95% CI, 1.26 to 2.44]; p = 0.001) or Medicare (OR, 1.22 [95% CI, 1.06 to 1.41]; p = 0.007). Patients who did not meet guidelines had a higher risk of reoperation than those who met guidelines (7.7% [98] versus 5.9% [615]; p = 0.017), including a higher risk of infection-related reoperation (3.1% [40] versus 1.4% [147]; p < 0.001). CONCLUSIONS We found that patients who underwent TJA despite not meeting institutional preoperative criteria had a higher risk of postoperative complications. These patients were more likely to be from racial and ethnic minority groups, to have a lower socioeconomic status, and to have Medicare or Medicaid insurance. These findings underscore the need for surgery-related shared decision-making that is informed by evidence-based guidelines in order to reduce complication burden. LEVEL OF EVIDENCE Prognostic Level III . See Instructions for Authors for a complete description of levels of evidence.
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Affiliation(s)
- Adriana P Liimakka
- Harvard Medical School, Boston, Massachusetts
- Department of Orthopaedic Surgery, Brigham and Women's Hospital, Boston, Massachusetts
| | - Troy B Amen
- Department of Orthopaedic Surgery, Hospital for Special Surgery, New York, NY
| | - Michael J Weaver
- Harvard Medical School, Boston, Massachusetts
- Department of Orthopaedic Surgery, Brigham and Women's Hospital, Boston, Massachusetts
| | - Vivek M Shah
- Harvard Medical School, Boston, Massachusetts
- Department of Orthopaedic Surgery, Brigham and Women's Hospital, Boston, Massachusetts
| | - Jeffrey K Lange
- Harvard Medical School, Boston, Massachusetts
- Department of Orthopaedic Surgery, Brigham and Women's Hospital, Boston, Massachusetts
| | - Antonia F Chen
- Harvard Medical School, Boston, Massachusetts
- Department of Orthopaedic Surgery, Brigham and Women's Hospital, Boston, Massachusetts
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Fawley D, Croker S, Empson J, Pomeroy D. Mid-term survivorship and clinical outcomes of revision knee arthroplasty using a mobile bearing tibial tray: A single-center registry review. Knee 2024; 48:157-165. [PMID: 38642542 DOI: 10.1016/j.knee.2024.03.011] [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: 01/10/2024] [Revised: 03/08/2024] [Accepted: 03/30/2024] [Indexed: 04/22/2024]
Abstract
BACKGROUND Revision total knee arthroplasty can successfully restore function and relieve pain for patients with failed knee replacements. Mobile-bearing implants were designed to provide greater congruency between the implant and the polyethylene insert. The goal of this study was to review the clinical outcomes and survivorship for a revision mobile-bearing tibial design. METHODS A retrospective outcomes review was conducted to assess survivorship and clinical outcomes for a mobile bearing tibial tray, used with metaphyseal sleeves, in revision total knee arthroplasty. RESULTS At time of furthest follow-up, KM estimates (95% CI; n with further follow-up) for all-cause revision were 82.5% (75.8%; 87.5%; 42) at 7 years for the clinical assumption (CA), and 88.5% (84.4%,91.6%; 53) at 13 years for the registry assumption (RA). For revision of the tray as the endpoint, survivorship estimates were 93.4% (87.0%,96.7%; 42) at 7 years for CA, and 96.2% (93.2%,97.9%; 53) at 13 years for RA. CONCLUSION In this single-center registry evaluation, we found excellent mid-term survivorship and clinical outcomes for a mobile-bearing tibial tray used with metaphyseal sleeves in revision total knee arthroplasty.
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Affiliation(s)
- David Fawley
- DePuy Synthes, 700 Orthopaedic Drive, Warsaw, IN, USA.
| | - Sean Croker
- DePuy Synthes, 700 Orthopaedic Drive, Warsaw, IN, USA
| | - Jan Empson
- The Arthroplasty Foundation, 14011 Fancy Gap Drive, Louisville, KY, USA
| | - Donald Pomeroy
- The Arthroplasty Foundation, 14011 Fancy Gap Drive, Louisville, KY, USA
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Etges APBDS, Jones P, Liu H, Zhang X, Haas D. Improvements in technology and the expanding role of time-driven, activity-based costing to increase value in healthcare provider organizations: a literature review. Front Pharmacol 2024; 15:1345842. [PMID: 38841371 PMCID: PMC11151087 DOI: 10.3389/fphar.2024.1345842] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Accepted: 04/19/2024] [Indexed: 06/07/2024] Open
Abstract
Objective This study evaluated the influence of technology on accurately measuring costs using time-driven activity-based costing (TDABC) in healthcare provider organizations by identifying the most recent scientific evidence of how it contributed to increasing the value of surgical care. Methods This is a literature-based analysis that mainly used two data sources: first, the most recent systematic reviews that specifically evaluated TDABC studies in the surgical field and, second, all articles that mentioned the use of CareMeasurement (CM) software to implement TDABC, which started to be published after the publication of the systematic review. The articles from the systematic review were grouped as manually performed TDABC, while those using CM were grouped as technology-based studies of TDABC implementations. The analyses focused on evaluating the impact of using technology to apply TDABC. A general description was followed by three levels of information extraction: the number of cases included, the number of articles published per year, and the contributions of TDABC to achieve cost savings and other improvements. Results Fourteen studies using real-world patient-level data to evaluate costs comprised the manual group of studies. Thirteen studies that reported the use of CM comprised the technology-based group of articles. In the manual studies, the average number of cases included per study was 160, while in the technology-based studies, the average number of cases included was 4,767. Technology-based studies, on average, have a more comprehensive impact than manual ones in providing accurate cost information from larger samples. Conclusion TDABC studies supported by technologies such as CM register more cases, identify cost-saving opportunities, and are frequently used to support reimbursement strategies based on value. The findings suggest that using TDABC with the support of technology can increase healthcare value.
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Affiliation(s)
- Ana Paula Beck Da Silva Etges
- PEV Healthcare Consulting, São Paulo, Brazil
- Avant-garde Health, Boston, MA, United States
- Programa de Pós-graduação em Epidemiologia da Escola de Medicina da Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | | | - Harry Liu
- Avant-garde Health, Boston, MA, United States
| | | | - Derek Haas
- Avant-garde Health, Boston, MA, United States
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Olsen AA, Junge JM, Booth G, Abraham VM, Balazs GC, Goldman AH. A Lack of Generalizability-Total Knee Demographics in the Active Duty Population. Mil Med 2024; 189:e1161-e1165. [PMID: 37966515 DOI: 10.1093/milmed/usad437] [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: 08/22/2023] [Revised: 10/09/2023] [Accepted: 10/27/2023] [Indexed: 11/16/2023] Open
Abstract
INTRODUCTION Age and sex are known demographic risk factors for requiring revision surgery following primary total knee arthroplasty (TKA). Military service members are a unique population with barriers to long-term follow up after surgery. This study aims to compare demographic data between active duty military personnel and a nationwide sample to identify differences that may impact clinical and economic outcomes. METHODS A retrospective observational analysis was performed using the Military Health System Data Repository (MDR) and the National Surgical Quality Improvement Program (NSQIP). Databases were queried for patients undergoing primary TKA between January 1, 2015 and December 31, 2020. The MDR was queried for demographic data including age, sex, duty status, facility type, geographic region, history of prior military deployment, history of deployment-related health condition, branch of military service, and military rank. National Surgical Quality Improvement Program was queried for age and sex. Median age between populations was compared with the Mann-Whitney U test, and gender was compared with a chi-squared test. RESULTS During the study period, 2,094 primary TKA patients were identified from the MDR, and 357,865 TKA patients were identified from the NSQIP database. Military TKA patients were 79.4% male with a median age of 49.0, and NSQIP TKA patients were 38.9% were male, with a median age of 67. Military TKA patients were significantly more likely to be male (P < .001) and younger (P < .001). CONCLUSION Patients undergoing TKA in the military are younger and more likely to be male compared to national trends. Current evidence suggests these factors may place them at a significant revision risk in the future. The application of quality metrics based on nationwide demographics may not be applicable to military members within the Military Health System.
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Affiliation(s)
- Aaron A Olsen
- Department of Orthopaedic Surgery, Bone and Joint Sports Medicine Institute, Portsmouth, VA 23708, USA
| | - Joshua M Junge
- Department of Anesthesia, Naval Medical Center, Portsmouth, VA 23708, USA
| | - Greg Booth
- Department of Anesthesia, Naval Medical Center, Portsmouth, VA 23708, USA
| | - Vivek M Abraham
- Department of Orthopaedic Surgery, Bone and Joint Sports Medicine Institute, Portsmouth, VA 23708, USA
| | - George C Balazs
- Department of Orthopaedic Surgery, Bone and Joint Sports Medicine Institute, Portsmouth, VA 23708, USA
| | - Ashton H Goldman
- Department of Orthopaedic Surgery, Bone and Joint Sports Medicine Institute, Portsmouth, VA 23708, USA
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Ashkenazi I, Sobba WD, Morton JS, Bieganowski T, Shichman I, Schwarzkopf R. Knotless suture in revision total joint arthroplasty: a prospective randomized controlled trial. Arch Orthop Trauma Surg 2024; 144:2207-2212. [PMID: 38520550 DOI: 10.1007/s00402-024-05283-9] [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: 10/06/2023] [Accepted: 03/10/2024] [Indexed: 03/25/2024]
Abstract
INTRODUCTION The use of barbed sutures for wound closure in primary total joint arthroplasty (TJA) has been shown to be effective and safe. However, their effectiveness and safety in revision TJA procedures has not been thoroughly studied. This study aims to evaluate the efficacy and safety of using barbed suture closure in revision TJA setting. METHODS A total of 80 patients undergoing revision TJA between September 2020 and November 2022 were included in this randomized controlled trial study. Following informed consent, patients were computer-randomized to the treatment arm (barbed suture wound closure) or to the control arm (conventional wound closure). Closure duration, closure rate, number of sutures used and wound related outcomes including complication rates and Patient and Observer Scar Assessment Scale (POSAS) score were compared between groups. RESULTS The use of barbed sutures decreased closure time by 6 min (30.1 vs. 36.1 min, P = 0.008) with a higher wound closure rate (6.5 vs. 5.5 mm/minute, P = 0.013). Additionally, the number of sutures used for wound closure in the barbed group was significantly lower than in the control group (6.2 vs. 10.1, respectively, P < 0.001). There were no significant differences in the rate of postoperative wound complications (P = 0.556) or patient and observer POSAS scores (P = 0.211, P = 297, respectively) between the two groups at 3-month follow-up. CONCLUSION Closure of revision TJA surgical wound utilizing barbed sutures reduced closure time and the number of needles handled by operative staff, with no significant increase in intra- or post-operative complications rate when compared to traditional closure technique. LEVEL OF EVIDENCE I.
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Affiliation(s)
- Itay Ashkenazi
- Department of Orthopaedic Surgery, NYU Langone Health, NewYork, NY, USA
- Division of Orthopaedic Surgery, Tel-Aviv Sourasky Medical Center, Tel-Aviv, Israel
| | - Walter D Sobba
- Department of Orthopaedic Surgery, NYU Langone Health, NewYork, NY, USA
| | - Jessica S Morton
- Department of Orthopaedic Surgery, NYU Langone Health, NewYork, NY, USA
| | | | - Ittai Shichman
- Department of Orthopaedic Surgery, NYU Langone Health, NewYork, NY, USA
- Division of Orthopaedic Surgery, Tel-Aviv Sourasky Medical Center, Tel-Aviv, Israel
| | - Ran Schwarzkopf
- Department of Orthopaedic Surgery, NYU Langone Health, NewYork, NY, USA.
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Blackburn CW, Chen KJ, Du JY, Marcus RE. Conversion THA With Concomitant Removal of Orthopaedic Hardware Should Be Reclassified as a Revision Surgery in the Medicare Severity Diagnosis-Related Group Coding Scheme: An Analysis of Cost and Resource Use. Clin Orthop Relat Res 2024; 482:790-800. [PMID: 37851410 PMCID: PMC11008651 DOI: 10.1097/corr.0000000000002894] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Accepted: 09/18/2023] [Indexed: 10/19/2023]
Abstract
BACKGROUND Conversion THA, which we defined for this study as THA with concomitant removal of preexisting orthopaedic hardware, has been associated with increased hospital costs and perioperative complications compared with primary THA. Yet, conversion THA is classified as a primary procedure under the Medicare Severity Diagnosis-Related Group coding scheme, and hospitals are reimbursed based on the resource use expected for a routine primary surgery. Prior authors have argued for conversion THA to be reclassified as a revision procedure. Although prior research has focused on comparisons between conversion THAs and primary arthroplasties, little is known about the resource use of conversion THA compared with that of revision THA. QUESTIONS/PURPOSES (1) Do inpatient hospital costs, estimated using cost-to-charge ratios, differ between conversion THA and revision THA? (2) Do the median length of stay, intensive care unit use, and likelihood of discharge to home differ between conversion and revision THA? METHODS This was a retrospective study of the Medicare Provider Analysis and Review Limited Data Set for 2019. A total of 713,535 primary and 74,791 revision THAs and TKAs were identified initially. Exclusion criteria then were applied; these included non-fee-for-service hospitalizations, nonelective admissions, and patients with missing data. Approximately 37% (263,545 of 713,535) of primary and 34% (25,530 of 74,791) of revision arthroplasties were excluded as non-fee-for-service hospitalizations. Two percent (13,159 of 713,535) of primaries and 11% (8159 of 74,791) of revisions were excluded because they were nonelective procedures. Among the remaining 436,831 primary and 41,102 revision procedures, 31% (136,748 of 436,831) were primary THAs and 36% (14,774 of 41,102) were revision THAs. Two percent (2761 of 136,748) of primary THAs involved intraoperative removal of hardware and were classified as conversion THAs. After claims with missing data were excluded, there were 2759 conversion THAs and 14,764 revision THAs available for analysis. Propensity scores were generated using a multivariate logistic regression model using the following variables as covariates: gender, age, race, van Walraven index, hospital setting, geography, hospital size, resident-to-bed ratio, and wage index. After matching, 2734 conversion THAs and 5294 revision THAs were available for analysis. The van Walraven index, which is a weighted score of patient preoperative comorbidities, was used to measure patient health status. Hospital costs were estimated by multiplying cost-to-charge ratios obtained from the 2019 Impact File by total hospital charges. This methodology enabled the use of a large national database to mitigate the random effects of individual hospitals' unique practices and patient populations. Multivariable regression was performed after matching to determine the independent effects of surgery type (that is, conversion versus revision THA) on hospital cost, length of stay greater than 2 days, intensive care unit use, and discharge to home. RESULTS There was no difference in the estimated hospital cost between conversion THA and revision THA (β = 0.96 [95% confidence interval 0.90 to 1.01]; p = 0.13). Patients undergoing conversion THA had increased odds of staying in the hospital for more than 2 days (odds ratio 1.12 [95% CI 1.03 to 1.23]; p = 0.01), increased odds of using the intensive care unit (OR 1.24 [95% CI 1.03 to 1.48]; p = 0.02), and decreased odds of being discharged to home (OR 0.74 [95% CI 0.67 to 0.80]; p < 0.001). CONCLUSION The inpatient hospital cost of conversion THA is no different from that of revision THA, although patients undergoing conversion surgery have modestly increased odds of prolonged length of stay, intensive care unit use, and discharge to a nonhome location. These findings support the conclusion that reclassification of conversion THA is warranted. Orthopaedic surgeons must advocate for the reclassification of conversion THA using data-backed evidence or run the risk that orthopaedic procedures will be given decreased reimbursement. LEVEL OF EVIDENCE Level III, economic and decision analysis.
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Affiliation(s)
- Collin W. Blackburn
- Department of Orthopaedic Surgery, University Hospitals Cleveland Medical Center, Cleveland, OH, USA
| | - Kallie J. Chen
- Department of Orthopaedic Surgery, University Hospitals Cleveland Medical Center, Cleveland, OH, USA
| | - Jerry Y. Du
- Hospital for Special Surgery, New York, NY, USA
| | - Randall E. Marcus
- Department of Orthopaedic Surgery, University Hospitals Cleveland Medical Center, Cleveland, OH, USA
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Harris AB, Lantieri MA, Agarwal AR, Golladay GJ, Thakkar SC. Osteoporosis and Total Knee Arthroplasty: Higher 5-Year Implant-Related Complications. J Arthroplasty 2024; 39:948-953.e1. [PMID: 37914037 DOI: 10.1016/j.arth.2023.10.045] [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: 07/18/2023] [Revised: 10/18/2023] [Accepted: 10/20/2023] [Indexed: 11/03/2023] Open
Abstract
BACKGROUND The risk of revision surgery in patients who have osteoporosis after total knee arthroplasty (TKA) is understudied. Our aim was to compare the 5-year cumulative risk of revision surgery after TKA in patients who have preoperative osteoporosis. METHODS A national administrative claims database was queried for patients undergoing primary TKA from 2010 to 2021. There were 418,054 patients included, and 41,760 (10%) had osteoporosis. The 5-year incidence of revision surgery was examined for all-causes, periprosthetic fracture (PPF), aseptic loosening, and periprosthetic joint infection (PJI). A multivariable analysis was conducted using Cox proportional hazards models. Hazards ratios (HRs) were reported with 95% confidence intervals (CIs). RESULTS The 5-year rate of all-cause revision surgery was higher for patients who had osteoporosis (HR 1.1, 95% CI: 1.0 to 1.2), however, the highest risk of revision surgery was seen for PPF (HR 1.8, 95% CI: 1.6 to 2.1). Patients who had osteoporosis also had elevated risk of revision surgery for PJI (HR 1.2, 95% CI: 1.1 to 1.3) and aseptic loosening (HR 1.2, 95% CI: 1.1 to 1.3). Osteoporosis was independently associated with PJI and aseptic loosening at a higher rate in obese patients. CONCLUSIONS In unadjusted survival analysis, those who had osteoporosis have a marginally lower risk of all-cause revision surgery. However, after controlling for age, sex and comorbidities, patients who had osteoporosis have a nearly 2-fold increased risk of 5-year revision for PPF after TKA, and mildly increased risk of revision for all causes, aseptic loosening, and PJI. Obesity may also modulate this association. Future studies should determine the extent to which treatment of osteoporosis modifies these postoperative outcomes.
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Affiliation(s)
- Andrew B Harris
- Department of Orthopaedic Surgery, The Johns Hopkins University, Baltimore, Maryland
| | - Mark A Lantieri
- Department of Orthopaedic Surgery, The Johns Hopkins University, Baltimore, Maryland
| | - Amil R Agarwal
- Department of Orthopaedic Surgery, The George Washington University School of Medicine and Health Sciences, Washington, District of Columbia; Department of Orthopaedic Surgery, The Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Gregory J Golladay
- Department of Orthopaedic Surgery, Virginia Commonwealth University School of Medicine, Richmond, Virginia
| | - Savyasachi C Thakkar
- Department of Orthopaedic Surgery, The Johns Hopkins University, Baltimore, Maryland
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Heo K, Karzon A, Shah J, Ayeni A, Rodoni B, Erens GA, Guild GN, Premkumar A. Trends in Costs and Professional Reimbursements for Revision Total Hip and Knee Arthroplasty. J Arthroplasty 2024; 39:612-618.e1. [PMID: 37611680 DOI: 10.1016/j.arth.2023.08.062] [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: 04/04/2023] [Revised: 08/14/2023] [Accepted: 08/16/2023] [Indexed: 08/25/2023] Open
Abstract
BACKGROUND With increasing numbers of revision total hip and total knee arthroplasties (rTHAs and rTKAs), understanding trends in related out-of-pocket (OOP) costs, overall costs, and provider reimbursements is critical to improve patient access to care. METHODS A large database was used to identify 92,116 patients who underwent rTHA or rTKA between 2009 and 2018. The OOP costs associated with the surgery and related inpatient care were calculated as the sum of copayment, coinsurance, and deductible payments. Professional reimbursement was calculated as total payments to the principal physician. All monetary data were adjusted to 2018 dollars. Multivariate regressions evaluated the associations between costs and procedure type, insurance type, and region of service. RESULTS From 2009 to 2018, overall costs for rTHA significantly increased by 35.0% and overall costs for rTKA significantly increased by 32.3%. The OOP costs for rTHA had no significant changes, while OOP costs for rTKA increased by 20.1%, with patients on Medicare plans having the lowest OOP costs. Professional reimbursements, when measured as a percentage of overall costs, decreased significantly by 4.4% for rTHA and 4.0% for rTKA, with the lowest reimbursements from Medicare plans. CONCLUSION From 2009 to 2018, total costs related to rTHA and rTKA significantly increased. The OOP costs significantly increased for rTKA, and professional reimbursements for both rTHA and rTKA decreased relative to total costs. Overall, these trends may combine to create greater financial burden to patients and the healthcare system, as well as further limit patients' access to revision arthroplasty care.
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Affiliation(s)
- Kevin Heo
- Department of Orthopaedic Surgery, Emory University School of Medicine, Atlanta, Georgia
| | - Anthony Karzon
- Department of Orthopaedic Surgery, Emory University School of Medicine, Atlanta, Georgia
| | - Jason Shah
- Department of Orthopaedic Surgery, Emory University School of Medicine, Atlanta, Georgia
| | - Ayomide Ayeni
- Department of Orthopaedic Surgery, Emory University School of Medicine, Atlanta, Georgia
| | - Bridger Rodoni
- Department of Orthopaedic Surgery, Emory University School of Medicine, Atlanta, Georgia
| | - Greg A Erens
- Department of Orthopaedic Surgery, Emory University School of Medicine, Atlanta, Georgia
| | - George N Guild
- Department of Orthopaedic Surgery, Emory University School of Medicine, Atlanta, Georgia
| | - Ajay Premkumar
- Department of Orthopaedic Surgery, Emory University School of Medicine, Atlanta, Georgia
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13
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Jud L, Gautschi N, Möller S, Möller K, Giesinger K. Revision total knee arthroplasty results in financial deficits within the Swiss healthcare system. Knee Surg Sports Traumatol Arthrosc 2023; 31:5293-5298. [PMID: 37715052 DOI: 10.1007/s00167-023-07574-x] [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: 07/06/2023] [Accepted: 09/03/2023] [Indexed: 09/17/2023]
Abstract
PURPOSE Revision total knee arthroplasty (RTKA) results in high costs with inadequately low reimbursement in different healthcare systems. Therefore, a financial analysis was performed comparing costs and reimbursements of primary total knee arthroplasty (PTKA) versus RTKA using financial and total knee arthroplasty-register data from a large tertiary hospital, the Cantonal Hospital of St. Gallen (KSSG), Switzerland. METHODS All PTKA and RTKA performed between January 2012 and September 2019 at the KSSG were included. Financial and TKA-register data for each case were collected, including detailed cost allocation, reimbursement, patients' insurance status, type and indication for surgery and length of hospital stay. RTKA was further subdivided in one-stage and two-stage RTKA. Direct hospital costs were analyzed and compared to reimbursement in both groups. Cost-coverage ratios were calculated. RESULTS 730 PTKA and 106 RTKA were included. The RTKA group contained 66 one-stage and 40 two-stage RTKA. Cost-coverage ratio for PTKA and RTKA showed to be 110.9% and 81.3%, respectively. Cost-coverage ratio was lower for two-stage RTKA than for one-stage RTKA with 74.1% and 92.3%, respectively. CONCLUSION RTKA leads to financial deficits especially for tertiary hospitals within the Swiss healthcare system. Restructuring of the reimbursements for PTKA and RTKA should be considered in favor of RTKA. Otherwise, tertiary hospitals will face a growing financial burden with the constantly increasing annual number of RTKA procedures, predominantly performed in this type of hospitals. LEVEL OF EVIDENCE III.
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Affiliation(s)
- Lukas Jud
- Department of Orthopaedic Surgery and Traumatology, Kantonsspital St. Gallen, Rorschacherstrasse 95, 9007, St. Gallen, Switzerland
| | - Nora Gautschi
- Institute of Accounting, Control and Auditing, Chair of Controlling / Performance Management, University of St. Gallen, Tigerbergstrasse 9, 9000, St. Gallen, Switzerland
| | - Soeren Möller
- Department of Orthopaedic Surgery and Traumatology, Kantonsspital St. Gallen, Rorschacherstrasse 95, 9007, St. Gallen, Switzerland
| | - Klaus Möller
- Institute of Accounting, Control and Auditing, Chair of Controlling / Performance Management, University of St. Gallen, Tigerbergstrasse 9, 9000, St. Gallen, Switzerland
| | - Karlmeinrad Giesinger
- Department of Orthopaedic Surgery and Traumatology, Kantonsspital St. Gallen, Rorschacherstrasse 95, 9007, St. Gallen, Switzerland.
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14
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Rizk AA, Kim AG, Bernhard Z, Moyal A, Acuña AJ, Hecht CJ, Kamath AF. Mark-Up Trends in Contemporary Medicare Primary and Revision Total Joint Arthroplasty. J Arthroplasty 2023; 38:1642-1651. [PMID: 36972856 DOI: 10.1016/j.arth.2023.03.058] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Revised: 03/13/2023] [Accepted: 03/19/2023] [Indexed: 03/29/2023] Open
Abstract
BACKGROUND Understanding mark-up ratios (MRs), the ratio between a healthcare institution's submitted charge and the Medicare payment received, for high-volume orthopaedic procedures is imperative to inform policy about price transparency and reducing surprise billing. This analysis examined the MRs for primary and revision total hip and knee arthroplasty (THA and TKA) services to Medicare beneficiaries between 2013 and 2019 across healthcare settings and geographic regions. METHODS A large dataset was queried for all THA and TKA procedures performed by orthopaedic surgeons between 2013 and 2019, using Healthcare Common Procedure Coding System (HCPCS) codes for the most frequently used services. Yearly MRs, service counts, average submitted charges, average allowed payments, and average Medicare payments were analyzed. Trends in MRs were assessed. We evaluated 9 THA HCPCS codes, averaging 159,297 procedures a year provided by a mean of 5,330 surgeons. We evaluated 6 TKA HCPCS codes, averaging 290,244 procedures a year provided by a mean of 7,308 surgeons. RESULTS For knee arthroplasty procedures, a decrease was noted for HCPCS code 27438 (patellar arthroplasty with prosthesis) over the study period (8.30 to 6.62; P = .016) and HCPCS code 27447 (TKA) had the highest median (interquartile range [IQR]) MR (4.73 [3.64 to 6.30]). For revision knee procedures, the highest median (IQR) MR was for HCPCS code 27488 (removal of knee prosthesis; 6.12 [3.83-8.22]). While no trends were noted for both primary and revision hip arthroplasty, median (IQR) MRs in 2019 for primary hip procedures ranged from 3.83 (hemiarthroplasty) to 5.06 (conversion of previous hip surgery to THA) and HCPCS code 27130 (total hip arthroplasty) had a median (IQR) MR of 4.66 (3.58-6.44). For revision hip procedures, MRs ranged from 3.79 (open treatment of femoral fracture or prosthetic arthroplasty) to 6.10 (revision of THA femoral component). Wisconsin had the highest median MR by state (>9) for primary knee, revision knee, and primary hip procedures. CONCLUSION The MRs for primary and revision THA and TKA procedures were strikingly high, as compared to nonorthopaedic procedures. These findings represent high levels of excess charges billed, which may pose serious financial burdens to patients and must be taken into consideration in future policy discussions to avoid price inflation.
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Affiliation(s)
- Adam A Rizk
- Department of Orthopaedic Surgery, Cleveland Clinic Foundation, Cleveland, Ohio
| | - Andrew G Kim
- Department of Orthopaedic Surgery, Cleveland Clinic Foundation, Cleveland, Ohio
| | - Zachary Bernhard
- Department of Orthopaedic Surgery, Cleveland Clinic Foundation, Cleveland, Ohio
| | - Andrew Moyal
- Department of Orthopaedic Surgery, Cleveland Clinic Foundation, Cleveland, Ohio
| | - Alexander J Acuña
- Department of Orthopaedic Surgery, Cleveland Clinic Foundation, Cleveland, Ohio
| | - Christian J Hecht
- Department of Orthopaedic Surgery, Cleveland Clinic Foundation, Cleveland, Ohio
| | - Atul F Kamath
- Department of Orthopaedic Surgery, Cleveland Clinic Foundation, Cleveland, Ohio
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Descamps J, Teissier V, Graff W, Mouton A, Bouché PA, Marmor S. Managing early complications in total hip arthroplasty: the safety of immediate revision. J Orthop Traumatol 2023; 24:38. [PMID: 37525070 PMCID: PMC10390444 DOI: 10.1186/s10195-023-00719-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Accepted: 07/19/2023] [Indexed: 08/02/2023] Open
Abstract
PURPOSE Immediate revision refers to a reoperation that involves resetting, draping, and exchanging the implant, after wound closure in total hip arthroplasty. The purpose of this study is to investigate the impact of immediate revision after total hip arthroplasty on subsequent infection and complication rates. METHODS A total of 14,076 primary total hip arthroplasties performed between 2010 and 2020 were identified in our institutional database, of which 42 underwent immediate revision. Infection rates were determined 2 years after the index arthroplasty. The cause and type of revision, duration of primary and revision surgeries, National Nosocomial Infections Surveillance score, implant type, changes in implants, complications, and preoperative and intraoperative antibiotic prophylaxis were all determined. RESULTS No infections were observed within 2 years after the index arthroplasty. Leg length discrepancy (88%, n = 37) and dislocation (7.1%, n = 3) were the main causes of immediate revision. In most cases of discrepancy, the limb was clinically and radiologically longer before the immediate revision. The mean operative time was 48 ± 14 min for the primary procedure and 23.6 ± 9 min for the revision. The time between the first incision and last skin closure ranged from 1 to 3 h. None of the patients were extubated between the two procedures. Two patients had a National Nosocomial Infections Surveillance score of 2, 13 had a score of 1, and 27 had a score of 0. CONCLUSION Immediate revision is safe for correcting clinical and radiological abnormalities, and may not be associated with increased complication or infection rates. STUDY DESIGN Retrospective cohort study; level of evidence, 3.
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Affiliation(s)
- Jules Descamps
- Bone-and-Joint Infections Referral Center, Groupe Hospitalier Diaconnesses Croix Saint-Simon, 125 Rue d'Avron, 75020, Paris, France.
- Orthopedic Surgery Departement, Groupe Hospitalier Diaconnesses Croix Saint-Simon, 125 Rue d'Avron, 75020, Paris, France.
| | - Victoria Teissier
- Bone-and-Joint Infections Referral Center, Groupe Hospitalier Diaconnesses Croix Saint-Simon, 125 Rue d'Avron, 75020, Paris, France
- Orthopedic Surgery Departement, Groupe Hospitalier Diaconnesses Croix Saint-Simon, 125 Rue d'Avron, 75020, Paris, France
| | - Wilfrid Graff
- Bone-and-Joint Infections Referral Center, Groupe Hospitalier Diaconnesses Croix Saint-Simon, 125 Rue d'Avron, 75020, Paris, France
- Orthopedic Surgery Departement, Groupe Hospitalier Diaconnesses Croix Saint-Simon, 125 Rue d'Avron, 75020, Paris, France
| | - Antoine Mouton
- Bone-and-Joint Infections Referral Center, Groupe Hospitalier Diaconnesses Croix Saint-Simon, 125 Rue d'Avron, 75020, Paris, France
- Orthopedic Surgery Departement, Groupe Hospitalier Diaconnesses Croix Saint-Simon, 125 Rue d'Avron, 75020, Paris, France
| | - Pierre-Alban Bouché
- Bone-and-Joint Infections Referral Center, Groupe Hospitalier Diaconnesses Croix Saint-Simon, 125 Rue d'Avron, 75020, Paris, France
- Orthopedic Surgery Departement, Groupe Hospitalier Diaconnesses Croix Saint-Simon, 125 Rue d'Avron, 75020, Paris, France
| | - Simon Marmor
- Bone-and-Joint Infections Referral Center, Groupe Hospitalier Diaconnesses Croix Saint-Simon, 125 Rue d'Avron, 75020, Paris, France
- Orthopedic Surgery Departement, Groupe Hospitalier Diaconnesses Croix Saint-Simon, 125 Rue d'Avron, 75020, Paris, France
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16
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Ashkenazi I, Christensen T, Oakley C, Bosco J, Lajam C, Slover J, Schwarzkopf R. Trends in Revision Total Hip Arthroplasty Cost, Revenue, and Contribution Margin 2011-2021. J Arthroplasty 2023:S0883-5403(23)00338-8. [PMID: 37019310 DOI: 10.1016/j.arth.2023.03.088] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Revised: 03/19/2023] [Accepted: 03/25/2023] [Indexed: 04/07/2023] Open
Abstract
INTRODUCTION Revision total hip arthroplasty (rTHA) is a costly procedure and its prevalence has been steadily increasing over time. This study aimed to examine trends in hospital cost, revenue, and contribution margin (CM) in patients undergoing rTHA. METHODS We retrospectively reviewed all patients who underwent rTHA from June 2011 to May 2021 at our institution. Patients were stratified into groups based on insurance coverage: Medicare, government-managed or Medicaid (GMM), or commercial insurance. Patient demographics, revenue (any payment the hospital received), direct cost (any cost associated with the surgery and hospitalization), total cost (the sum of direct and indirect costs), and CM (The difference between revenue and direct cost) were collected. Changes over time as a percentage of 2011 numbers were analyzed. Linear regression analyses were used to determine overall trend significance. Of the 1,613 patients identified, 661 were covered by Medicare, 449 by GMM, and 503 by commercial insurance plans. RESULTS Medicare patients exhibited a significant upward trend in revenue (P<0.001), total cost (P=0.004), direct cost (P<0.001), and an overall downward trend in CM (P=0.037), with CM for these patients falling to 72.1% of 2011 values by 2021. CONCLUSION In the Medicare population, reimbursement for rTHA has not matched increases in cost, leading to considerable reductions in CM. These trends affect the ability of hospitals to cover indirect costs, threatening access to care for patients who require this necessary procedure. Reimbursement models for rTHA should be reconsidered to ensure the financial feasibility of these procedures for all patient populations.
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Affiliation(s)
- Itay Ashkenazi
- Department of Orthopedic Surgery, NYU Langone Health, New-York, NY, USA; Division of Orthopedic Surgery, Tel-Aviv Sourasky Medical Center, Tel-Aviv, Israel.
| | | | - Christian Oakley
- Department of Orthopedic Surgery, NYU Langone Health, New-York, NY, USA
| | - Joseph Bosco
- Department of Orthopedic Surgery, NYU Langone Health, New-York, NY, USA
| | - Claudette Lajam
- Department of Orthopedic Surgery, NYU Langone Health, New-York, NY, USA
| | - James Slover
- Department of Orthopedic Surgery, NYU Langone Health, New-York, NY, USA
| | - Ran Schwarzkopf
- Department of Orthopedic Surgery, NYU Langone Health, New-York, NY, USA
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Nham FH, Patel I, Zalikha AK, El-Othmani MM. Epidemiology of primary and revision total knee arthroplasty: analysis of demographics, comorbidities and outcomes from the national inpatient sample. ARTHROPLASTY 2023; 5:18. [PMID: 37004093 PMCID: PMC10068145 DOI: 10.1186/s42836-023-00175-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Accepted: 02/22/2023] [Indexed: 04/03/2023] Open
Abstract
INTRODUCTION Primary total knee arthroplasty (TKA) is a preferred treatment for end-stage knee osteoarthritis. In the setting of a failed TKA, revision total knee arthroplasty (rTKA) acts as a salvage procedure and carries a higher risk compared to primary TKA. Given increased interest in postoperative outcomes from these procedures, a thorough understanding of the demographics, comorbidities, and inpatient outcomes is warranted. This study aimed to report the epidemiological data of demographics, comorbidity profiles and outcomes of patients undergoing TKA and rTKA. METHODS A retrospective review of NIS registry discharge data from 2006 to 2015 third quarter was performed. This study included adults aged 40 and older who underwent TKA or rTKA. A total of 5,901,057 TKA patients and 465,968 rTKA patients were included in this study. Simple descriptive statistics were used to present variables on demographics, medical comorbidities, and postoperative complications. RESULTS A total of 5,901,057 TKA and 465,968 rTKA discharges were included in this study, with an average age of 66.30 and 66.56 years, and the major payor being Medicare, accounting for 55.34% and 59.88% of TKA and rTKA cases, respectively. Infection (24.62%) was the most frequent reason for rTKA, and was followed by mechanical complications (18.62%) and dislocation (7.67%). The most common medical comorbidities for both groups were hypertension, obesity, and diabetes. All types of inpatient complications were reported in 22.21% TKA and 28.78% of rTKA cases. Postoperative anemia was the most common complication in both groups (20.34% vs. 25.05%). CONCLUSIONS Our data demonstrated a 41.9% increase in patients receiving TKA and 28.8% increase in rTKA from the years 2006 to 2014. The data showed a 22.21% and a 28.78% "complication" rate with TKA and rTKA, with postoperative anemia being the most common complication. The top 3 medical comorbidities were hypertension, obesity, and diabetes for both groups and with increased focus on perioperative optimization, future analyses into preoperative medical optimization, and improved primary arthroplasty protocol may result in improved postoperative outcomes.
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Affiliation(s)
- Fong H Nham
- DMC Orthopaedics & Sports Medicine, 3990 John R Street, Detroit, MI, 48201, USA.
| | - Ishan Patel
- DMC Orthopaedics & Sports Medicine, 3990 John R Street, Detroit, MI, 48201, USA
| | - Abdul K Zalikha
- DMC Orthopaedics & Sports Medicine, 3990 John R Street, Detroit, MI, 48201, USA
| | - Mouhanad M El-Othmani
- Department of Orthopaedic Surgery, Columbia University Medical Center, 622 W 168Th Street, New York, NY, 10032, USA
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18
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Ali DM, Leibold A, Harrop J, Sharan A, Vaccaro AR, Sivaganesan A. A Multi-Disciplinary Review of Time-Driven Activity-Based Costing: Practical Considerations for Spine Surgery. Global Spine J 2023; 13:823-839. [PMID: 36148695 DOI: 10.1177/21925682221121303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
STUDY DESIGN A multi-disciplinary review. OBJECTIVES To provide a roadmap for implementing time-driven activity-based costing (TDABC) for spine surgery. This is achieved by organizing and scrutinizing publications in the spine, neurosurgical, and orthopedic literature which utilize TDABC and related methodologies. METHODS PubMed and Google Scholar were searched for relevant articles. The articles were selected by two independent researchers. After article selection, data was extracted and summarized into research domains. Preferred reporting items for systematic reviews and meta-analyses (PRISMA) systematic review process was followed. RESULTS Of the 524 articles screened, thirty-five articles met the inclusion criteria. Each included article was examined and reviewed to define the primary research question and objective. Comparing different procedures was the most common primary objective. Direct observation along with one other strategy (surveys, interviews, surgical database, or EMR) was most commonly employed during process map development. Across all surgical subspecialties (spine, neurologic, and orthopedic surgery), costs were divided into direct cost, indirect cost, cost to patient, and total costs. The most commonly calculated direct costs included personnel and supply costs. Facility costs, hospital overhead costs, and utilities were the most commonly calculated indirect costs. Transportation costs and parental lost wages were considered when calculating cost to patient. The total cost was a sum of direct costs, indirect costs, and costs to the patient. CONCLUSION TDABC provides a common platform to accurately estimate costs of care delivery. Institutions embarking on TDABC for spine surgery should consider the breadth of methodologies highlighted in this review to determine which type of calculations are appropriate for their practice.
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Affiliation(s)
- Daniyal Mansoor Ali
- Department of Neurological Surgery, 23217Thomas Jefferson University Hospital, Philadelphia, PA, USA
| | - Adam Leibold
- Department of Neurological Surgery, 23217Thomas Jefferson University Hospital, Philadelphia, PA, USA
| | - James Harrop
- Department of Neurological Surgery, 23217Thomas Jefferson University Hospital, Philadelphia, PA, USA
| | - Ashwini Sharan
- Department of Neurological Surgery, 23217Thomas Jefferson University Hospital, Philadelphia, PA, USA
| | - Alexander R Vaccaro
- Department of Neurological Surgery, 23217Thomas Jefferson University Hospital, Philadelphia, PA, USA
- 387400Rothman Orthopaedic Institute, Jefferson Health, Philadelphia, PA, USA
| | - Ahilan Sivaganesan
- Department of Neurological Surgery, 23217Thomas Jefferson University Hospital, Philadelphia, PA, USA
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19
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Long H, Xie D, Zeng C, Wang H, Lei G, Yang T. Burden and Characteristics of Revision Total Knee Arthroplasty in China: a National Study Based on Hospitalized Cases. J Arthroplasty 2023:S0883-5403(23)00183-3. [PMID: 36849014 DOI: 10.1016/j.arth.2023.02.052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Revised: 02/14/2023] [Accepted: 02/17/2023] [Indexed: 03/01/2023] Open
Abstract
BACKGROUND National epidemiological data in China are absent for revision total knee arthroplasty (TKA). This study aimed to investigate the burden and characteristics of revision TKA in China. METHODS We reviewed 4,503 revision TKA cases registered in the Hospital Quality Monitoring System in China between 2013 and 2018 using International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM) codes. Revision burden was determined by the ratio of the number of revision procedures to the total number of TKA procedures. Demographic characteristics, hospital characteristics, and hospitalization charges were identified. RESULTS The revision TKA cases accounted for 2.4% of all TKA cases. The revision burden showed an increasing trend from 2013 to 2018 (2.3 to 2.5%) (P for trend = 0.034). Gradual increases in revision TKA were observed in patients aged > 60 years. The most common causes for revision TKA were infection (33.0%) and mechanical failure (19.5%). More than 70% of the patients were hospitalized in provincial hospitals. A total of 17.6% patients were hospitalized in a hospital outside the province of their residence. The hospitalization charges continued to increase between 2013 and 2015 and remained roughly stable over the next three years. CONCLUSIONS This study provided epidemiological data for revision TKA in China based on a national database. There was a growing trend of revision burden during the study period. The focalized nature of operations in a few higher volume regions was observed and many patients had to travel to obtain their revision procedure.
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Affiliation(s)
- Huizhong Long
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Dongxing Xie
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan, China; Hunan Key Laboratory of Joint Degeneration and Injury, Changsha, Hunan, China
| | - Chao Zeng
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan, China; Hunan Key Laboratory of Joint Degeneration and Injury, Changsha, Hunan, China; Hunan Engineering Research Center for Osteoarthritis, Changsha, Hunan, China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Haibo Wang
- Clinical Trial Unit, First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, Guangdong, China; China Standard Medical Information Research Center, Shenzhen, Guangdong, China
| | - Guanghua Lei
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan, China; Hunan Key Laboratory of Joint Degeneration and Injury, Changsha, Hunan, China; Hunan Engineering Research Center for Osteoarthritis, Changsha, Hunan, China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Tuo Yang
- Hunan Key Laboratory of Joint Degeneration and Injury, Changsha, Hunan, China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China; Health Management Center, Xiangya Hospital, Central South University, Changsha, Hunan, China.
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20
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Patel I, Nham F, Zalikha AK, El-Othmani MM. Epidemiology of total hip arthroplasty: demographics, comorbidities and outcomes. ARTHROPLASTY (LONDON, ENGLAND) 2023; 5:2. [PMID: 36593482 PMCID: PMC9808997 DOI: 10.1186/s42836-022-00156-1] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Accepted: 11/22/2022] [Indexed: 01/04/2023]
Abstract
BACKGROUND Primary THA (THA) is a successful procedure for end-stage hip osteoarthritis. In the setting of a failed THA, revision total hip arthroplasty (rTHA) acts as a salvage procedure. This procedure has increased risks, including sepsis, infection, prolonged surgery time, blood loss, and increased length of stay. Increasing focus on understanding of demographics, comorbidities, and inpatient outcomes can lead to better perioperative optimization and post-operative outcomes. This epidemiological registry study aimed to compare the demographics, comorbidity profiles, and outcomes of patients undergoing THA and rTHA. METHODS A retrospective review of discharge data reported from 2006 to the third quarter of 2015 using the National Inpatient Sample registry was performed. The study included adult patients aged 40 and older who underwent either THA or rTHA. A total of 2,838,742 THA patients and 400,974 rTHA patients were identified. RESULTS The primary reimbursement for both THA and rTHA was dispensed by Medicare at 53.51% and 65.36% of cases respectively. Complications arose in 27.32% of THA and 39.46% of rTHA cases. Postoperative anemia was the most common complication in groups (25.20% and 35.69%). Common comorbidities in both groups were hypertension and chronic pulmonary disease. rTHA indications included dislocation/instability (21.85%) followed by mechanical loosening (19.74%), other mechanical complications (17.38%), and infection (15.10%). CONCLUSION Our data demonstrated a 69.50% increase in patients receiving THA and a 28.50% increase in rTHA from the years 2006 to 2014. The data demonstrated 27.32% and 39.46% complication rate with THA and rTHA, with postoperative anemia as the most common cause. Common comorbidities were hypertension and chronic pulmonary disease. Future analyses into preoperative optimizations, such as prior consultation with medical specialists or improved primary hip protocol, should be considered to prevent/reduce postoperative complications amongst a progressive expansion in patients receiving both THA and rTHA.
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Affiliation(s)
- Ishan Patel
- grid.413184.b0000 0001 0088 6903DMC Orthopaedics & Sports Medicine, 3990 John R Street, Detroit, MI 48201 USA
| | - Fong Nham
- grid.413184.b0000 0001 0088 6903DMC Orthopaedics & Sports Medicine, 3990 John R Street, Detroit, MI 48201 USA
| | - Abdul K. Zalikha
- grid.413184.b0000 0001 0088 6903DMC Orthopaedics & Sports Medicine, 3990 John R Street, Detroit, MI 48201 USA
| | - Mouhanad M. El-Othmani
- grid.239585.00000 0001 2285 2675Department of Orthopaedic Surgery, Columbia University Medical Center, 622 W 168th Street, New York, NY 10032 USA
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Ackerman SJ, Vigdorchik JM, Siljander BR, Gililland JM, Sculco PK, Polly DW. Projected Savings Associated with Lowering the Risk of Total Hip Arthroplasty Revision Due to Dislocation in Patients with Spinopelvic Pathology. CLINICOECONOMICS AND OUTCOMES RESEARCH 2023; 15:321-330. [PMID: 37143936 PMCID: PMC10153402 DOI: 10.2147/ceor.s410453] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Accepted: 04/15/2023] [Indexed: 05/06/2023] Open
Abstract
Purpose In the United States (US), total hip arthroplasty (THA) is the most common hospital inpatient operation among Medicare beneficiaries and is ranked fourth when considering all payers. Spinopelvic pathology (SPP) is associated with an increased risk of THA revision (rTHA) due to dislocation. Several strategies have been proposed to mitigate the risk of instability in this population, including use of dual-mobility implants, anterior-based surgical approaches, and technology-assistance (digital 2D/3D pre-surgical planning, computer navigation, and robotic assistance). For primary THA (pTHA) patients with SPP who subsequently undergo rTHA due to dislocation, we aimed to estimate (1) target population size; (2) economic burden; and (3) 10-year projected savings to the US payer of lowering the risk of rTHA due to dislocation among pTHA patients with SPP. Methods A budget impact analysis from the US payer perspective was undertaken using published literature; American Academy of Orthopaedic Surgeons American Joint Replacement Registry 2021 Annual Report; Centers for Medicare & Medicaid Services MEDPAR 2019; and National (Nationwide) Inpatient Sample (NIS) 2019. Expenditures were inflation-adjusted to 2021 US dollars using the Medical Care component of the Consumer Price Index. Sensitivity analyses were performed. Results The target population size in 2021 was estimated at 5040 (range, 4830-6309) for Medicare (fee-for-service plus Medicare Advantage) and 8003 (range, 7669-10,018) for all-payer. Annual rTHA episode-of-care (through 90 days) expenditures for Medicare and all-payer were $185 million and $314 million, respectively. Using a 4.14% compound annual growth rate from NIS, the estimated number of applicable rTHA procedures that will be performed from 2022-2031 was 63,419 Medicare and 100,697 all-payer. With each 10% reduction in relative risk of rTHA due to dislocation, Medicare and all-payer could save $233 million and $395 million, respectively, over a 10-year period. Conclusion Among pTHA patients with spinopelvic pathology, a modest reduction in the risk of rTHA due to dislocation could achieve substantial cumulative savings to payers while improving healthcare quality.
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Affiliation(s)
- Stacey J Ackerman
- Department of Biomedical Engineering, Johns Hopkins University, San Diego, CA, USA
- Correspondence: Stacey J Ackerman, Email
| | | | - Breana R Siljander
- Department of Orthopedic Surgery, Hospital for Special Surgery, New York, NY, USA
- Department of Orthopedic Surgery, University of Minnesota, Minneapolis, MN, USA
| | - Jeremy M Gililland
- Department of Orthopedic Surgery, University of Utah, Salt Lake City, UT, USA
| | - Peter K Sculco
- Department of Orthopedic Surgery, Hospital for Special Surgery, New York, NY, USA
| | - David W Polly
- Department of Orthopedic Surgery, University of Minnesota, Minneapolis, MN, USA
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22
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Prediction of total healthcare cost following total shoulder arthroplasty utilizing machine learning. J Shoulder Elbow Surg 2022; 31:2449-2456. [PMID: 36007864 DOI: 10.1016/j.jse.2022.07.013] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Revised: 06/26/2022] [Accepted: 07/07/2022] [Indexed: 02/01/2023]
Abstract
BACKGROUND Given the increase in demand in treatment of glenohumeral arthritis with anatomic total (aTSA) and reverse shoulder arthroplasty (RTSA), it is imperative to improve quality of patient care while controlling costs as private and federal insurers continue its gradual transition toward bundled payment models. Big data analytics with machine learning shows promise in predicting health care costs. This is significant as cost prediction may help control cost by enabling health care systems to appropriately allocate resources that help mitigate the cause of increased cost. METHODS The Nationwide Readmissions Database (NRD) was accessed in 2018. The database was queried for all primary aTSA and RTSA by International Classification of Diseases, Tenth Revision (ICD-10) procedure codes: 0RRJ0JZ and 0RRK0JZ for aTSA and 0RRK00Z and 0RRJ00Z for RTSA. Procedures were categorized by diagnoses: osteoarthritis (OA), rheumatoid arthritis (RA), avascular necrosis (AVN), fracture, and rotator cuff arthropathy (RCA). Costs were calculated by utilizing the total hospital charge and each hospital's cost-to-charge ratio. Hospital characteristics were included, such as volume of procedures performed by the respective hospital for the calendar year and wage index, which represents the relative average hospital wage for the respective geographic area. Unplanned readmissions within 90 days were calculated using unique patient identifiers, and cost of readmissions was added to the total admission cost to represent the short-term perioperative health care cost. Machine learning algorithms were used to predict patients with immediate postoperative admission costs greater than 1 standard deviation from the mean, and readmissions. RESULTS A total of 49,354 patients were isolated for analysis, with an average patient age of 69.9 ± 9.6 years. The average perioperative cost of care was $18,843 ± $10,165. In total, there were 4279 all-cause readmissions, resulting in an average cost of $13,871.00 ± $14,301.06 per readmission. Wage index, hospital volume, patient age, readmissions, and diagnosis-related group severity were the factors most correlated with the total cost of care. The logistic regression and random forest algorithms were equivalent in predicting the total cost of care (area under the receiver operating characteristic curve = 0.83). CONCLUSION After shoulder arthroplasty, there is significant variability in cumulative hospital costs, and this is largely affected by readmissions. Hospital characteristics, such as geographic area and volume, are key determinants of overall health care cost. When accounting for this, machine learning algorithms may predict cases with high likelihood of increased resource utilization and/or readmission.
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Gowd AK, Agarwalla A, Beck EC, Derman PB, Yasmeh S, Albert TJ, Liu JN. Prediction of Admission Costs Following Anterior Cervical Discectomy and Fusion Utilizing Machine Learning. Spine (Phila Pa 1976) 2022; 47:1549-1557. [PMID: 36301923 DOI: 10.1097/brs.0000000000004436] [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: 03/12/2022] [Accepted: 05/09/2022] [Indexed: 02/01/2023]
Abstract
STUDY DESIGN Retrospective case series. OBJECTIVE Predict cost following anterior cervical discectomy and fusion (ACDF) within the 90-day global period using machine learning models. BACKGROUND The incidence of ACDF has been increasing with a disproportionate decrease in reimbursement. As bundled payment models become common, it is imperative to identify factors that impact the cost of care. MATERIALS AND METHODS The Nationwide Readmissions Database (NRD) was accessed in 2018 for all primary ACDFs by the International Classification of Diseases 10th Revision (ICD-10) procedure codes. Costs were calculated by utilizing the total hospital charge and each hospital's cost-to-charge ratio. Hospital characteristics, such as volume of procedures performed and wage index, were also queried. Readmissions within 90 days were identified, and cost of readmissions was added to the total admission cost to represent the 90-day healthcare cost. Machine learning algorithms were used to predict patients with 90-day admission costs >1 SD from the mean. RESULTS There were 42,485 procedures included in this investigation with an average age of 57.7±12.3 years with 50.6% males. The average cost of the operative admission was $24,874±25,610, the average cost of readmission was $25,371±11,476, and the average total cost was $26,977±28,947 including readmissions costs. There were 10,624 patients who were categorized as high cost. Wage index, hospital volume, age, and diagnosis-related group severity were most correlated with the total cost of care. Gradient boosting trees algorithm was most predictive of the total cost of care (area under the curve=0.86). CONCLUSIONS Bundled payment models utilize wage index and diagnosis-related groups to determine reimbursement of ACDF. However, machine learning algorithms identified additional variables, such as hospital volume, readmission, and patient age, that are also important for determining the cost of care. Machine learning can improve cost-effectiveness and reduce the financial burden placed upon physicians and hospitals by implementing patient-specific reimbursement.
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Affiliation(s)
- Anirudh K Gowd
- Department of Orthopaedic Surgery, Wake Forest University Baptist Medical Center, Winston-Salem, NC
| | - Avinesh Agarwalla
- Department of Orthopedic Surgery, Westchester Medical Center, Valhalla, NY
| | - Edward C Beck
- Department of Orthopaedic Surgery, Wake Forest University Baptist Medical Center, Winston-Salem, NC
| | | | - Siamak Yasmeh
- Department of Orthopedic Surgery, Loma Linda University Medical Center, Loma Linda, CA
| | - Todd J Albert
- Department of Orthopedic Surgery, Weill Cornell Medical College, Hospital for Special Surgery, New York, NY
| | - Joseph N Liu
- USC Epstein Family Center for Sports Medicine, Keck Medicine of USC, Los Angeles, CA
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24
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Rizk AA, Jella TK, Cwalina TB, Pumo TJ, Erossy MP, Kamath AF. Are Trends in Revision Total Joint Arthroplasty Sustainable? Declining Inflation-Adjusted Medicare Reimbursement for Hospitalizations. J Arthroplasty 2022:S0883-5403(22)00964-0. [PMID: 36280161 DOI: 10.1016/j.arth.2022.10.030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Revised: 10/16/2022] [Accepted: 10/17/2022] [Indexed: 11/09/2022] Open
Abstract
BACKGROUND While the burden of revision total joint arthroplasty (TJA) procedures increases within the United States, it is unclear whether health care resource allocation for these complex cases has kept pace. This study examined the trends in hospital-level reimbursements for revision TJA hospitalizations. METHODS The Centers for Medicare and Medicaid Services (CMS) inpatient utilization and payment public use files from 2014 to 2019 were queried for diagnostic-related groups (DRGs) for revision TJA: DRG 467 (revision of hip or knee arthroplasty with complication or comorbidity [CC]) and DRG 468 (revision of hip or knee arthroplasty without CC or major CC). From 2014 to 2019, 170,808 revision TJA hospitalizations were billed to Medicare, and revision TJA procedures increased by 3,121 (10.7%). After adjusting to 2019 US dollars with the consumer price index, a multiple linear mixed-model regression analysis was performed. Analysis of covariance compared regressions from 2014 to 2019 for mean-adjusted Medicare payment and mean- adjusted charge were submitted for these DRGs. RESULTS Mean-adjusted average Medicare payment for DRG 467 decreased by $804.37 (-3.5%) from 2014 to 2019, whereas, that for DRG 468 decreased by $647.33 (-3.6%). The average inflation-adjusted Medicare payment for DRG 467 decreased at a greater rate during the study period, compared to that for DRG 468 (P = .02). CONCLUSION The decline in reimbursement for DRGs 467 and 468 reveals decreasing incentives for revision TJA hospitalizations. Further research should assess the efficacy of current Medicare payment algorithms and identify modifications which may provide for fair hospital level reimbursements.
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Affiliation(s)
- Adam A Rizk
- Department of Orthopaedic Surgery, Cleveland Clinic Foundation, Cleveland, Ohio
| | - Tarun K Jella
- Department of Orthopaedic Surgery, Cleveland Clinic Foundation, Cleveland, Ohio
| | - Thomas B Cwalina
- Department of Orthopaedic Surgery, Cleveland Clinic Foundation, Cleveland, Ohio
| | - Thomas J Pumo
- Department of Orthopaedic Surgery, Cleveland Clinic Foundation, Cleveland, Ohio
| | - Michael P Erossy
- Department of Orthopaedic Surgery, Cleveland Clinic Foundation, Cleveland, Ohio
| | - Atul F Kamath
- Department of Orthopaedic Surgery, Cleveland Clinic Foundation, Cleveland, Ohio
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25
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Underweight Body Mass Index Is Associated With Increased In-Hospital Complications and Length of Stay After Revision Total Joint Arthroplasty. J Am Acad Orthop Surg 2022; 30:984-991. [PMID: 36200816 DOI: 10.5435/jaaos-d-22-00214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/26/2022] [Accepted: 04/26/2022] [Indexed: 02/01/2023] Open
Abstract
INTRODUCTION The purpose of this study was to assess the impact of underweight status on in-hospital postoperative outcomes and complications after revision total joint arthroplasty (rTJA) of the hip and knee. METHODS Data from the National Inpatient Sample were used to identify all patients undergoing rTJA in the United States between 2006 and 2015. Patients were divided into two groups based on a concomitant diagnosis of underweight body mass index and a control normal weight group. Propensity score analysis was performed to determine whether underweight body mass index was a risk factor for in-hospital postoperative complications and resource utilization. RESULTS A total of 865,993 rTJAs were analyzed. Within the study cohort, 2,272 patients were classified as underweight, whereas 863,721 were classified as a normal weight control group. Underweight patients had significantly higher rates of several comorbidities compared with the control cohort. Underweight patients had significantly higher rates of any complication (49.98% versus 33.68%, P = 0.0004) than normal weight patients. Underweight patients also had significantly greater length of stay compared with normal weight patients (6.50 versus 4.87 days, P < 0.0001). CONCLUSION Underweight patients have notably higher rates of any complication and longer length of stay after rTJA than those who are not underweight. These results have important implications in preoperative patient discussions and perioperative management. Standardized preoperative protocols should be developed and instituted to improve outcomes in this patient cohort.
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26
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Ramirez G, Myers TG, Thirukumaran CP, Ricciardi BF. Does Hypothetical Centralization of Revision THA and TKA Exacerbate Existing Geographic or Demographic Disparities in Access to Care by Increased Patient Travel Distances or Times? A Large-database Study. Clin Orthop Relat Res 2022; 480:1033-1045. [PMID: 34870619 PMCID: PMC9263467 DOI: 10.1097/corr.0000000000002072] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Accepted: 11/08/2021] [Indexed: 01/31/2023]
Abstract
BACKGROUND Higher hospital volume is associated with lower rates of adverse outcomes after revision total joint arthroplasty (TJA). Centralizing revision TJA care to higher-volume hospitals might reduce early complication and readmission rates after revision TJA; however, the effect of centralizing revision TJA care on patient populations who are more likely to experience challenges with access to care is unknown. QUESTIONS/PURPOSES (1) Does a hypothetical policy of transferring patients undergoing revision TJA from lower-to higher-volume hospitals increase patient travel distance and time? (2) Does a hypothetical policy of transferring patients undergoing revision TJA from lower- to higher-volume hospitals disproportionately affect travel distance or time in low income, rural, or racial/ethnic minority populations? METHODS Using the Medicare Severity Diagnosis Related Groups 466-468, we identified 37,147 patients with inpatient stays undergoing revision TJA from 2008 to 2016 in the Statewide Planning and Research Cooperative System administrative database for New York State. Revisions with missing or out-of-state patient identifiers (3474 of 37,147) or those associated with closed or merged facilities (180 of 37,147) were excluded. We chose this database for our study because of relative advantages to other available databases: comprehensive catchment of all surgical procedures in New York State, regardless of payer; each patient can be followed across episodes of care and hospitals in New York State; and New York State has an excellent cross-section of hospital types for TJA, including rural and urban hospitals, critical access hospitals, and some of the highest-volume centers for TJA in the United States. We divided hospitals into quartiles based on the mean revision TJA volume. Overall, 80% (118 of 147) of hospitals were not for profit, 18% (26 of 147) were government owned, 78% (115 of 147) were located in urban areas, and 48% (70 of 147) had fewer than 200 beds. The mean patient age was 66 years old, 59% (19,888 of 33,493) of patients were females, 79% (26,376 of 33,493) were white, 82% (27,410 of 33,493) were elective admissions, and 56% (18,656 of 33,493) of admissions were from government insurance. Three policy scenarios were evaluated: transferring patients from the lowest 25% by volume hospitals, transferring patients in the lowest 50% by volume hospitals, and transferring patients in the lowest 75% by volume hospitals to the nearest higher-volume institution by distance. Patients who changed hospitals and travelled more than 60 miles or longer than 60 minutes with consideration for average traffic patterns after the policy was enacted were considered adversely affected. The secondary outcome of interest was the impact of the three centralization policies, as defined above, on lower-income, nonwhite, rural versus urban counties, and Hispanic ethnicity. RESULTS Transferring patients from the lowest 25% by volume hospitals resulted in only one patient stay that was affected by an increase in travel distance and travel time. Transferring patients from the lowest 50% by volume hospitals resulted in 9% (3050 of 33,493) of patients being transferred, with only 1% (312 of 33,493) of patients affected by either an increased travel distance or travel time. Transferring patients from the lowest 75% by volume hospitals resulted in 28% (9323 of 33,493) of patients being transferred, with 2% (814 of 33,493) of patients affected by either an increased travel distance or travel time. Nonwhite patients were less likely to encounter an increased travel distance or time after being transferred from the lowest 50% by volume hospitals (odds ratio 0.31 [95% CI 0.15 to 0.65]; p = 0.002) or being transferred from the lowest 75% by volume hospitals (OR 0.10 [95% CI 0.07 to 0.15]; p < 0.001) than white patients were. Hispanic patients were more likely to experience increased travel distance or time after being transferred from the lowest 50% by volume hospitals (OR 12.3 [95% CI 5.04 to 30.2]; p < 0.001) and being transferred from the lowest 75% by volume hospitals (OR 3.24 [95% CI 2.24 to 4.68]; p < 0.001) than non-Hispanic patients were. Patients from a county with a lower median income were more likely to experience increased travel distances or time after being transferred from the lowest 50% by volume hospitals (OR 69.5 [95% CI 17.0 to 283]; p < 0.001) and being transferred from the lowest 75% by volume hospitals (OR 3.86 [95% CI 3.21 to 4.64]; p < 0.001) than patients from counties with a higher median income. Patients from rural counties were more likely to be affected after being transferred from the lowest 50% by volume hospitals (OR 98 [95% CI 49.6 to 192.2]; p < 0.001) and being transferred from the lowest 75% by volume hospitals (OR 11.7 [95% CI 9.89 to 14.0]; p < 0.001) than patients from urban counties. CONCLUSION Although centralizing revision TJA care to higher-volume institutions in New York State did not appear to increase the travel burden for most patients, policies that centralize revision TJA care will need to be carefully designed to minimize the disproportionate impact on patient populations that already face challenges with access to healthcare. Further studies should examine the feasibility of establishing centers of excellence designations for revision TJA, the effect of best practices adoption by lower volume institutions to improve revision TJA care, and the potential role of care-extending technology such as telemedicine to improve access to care to reduce the effects of travel distances on affected patient populations. LEVEL OF EVIDENCE Level III, prognostic study.
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Affiliation(s)
- Gabriel Ramirez
- Department of Orthopedic Surgery, University of Rochester School of Medicine, Rochester, NY, USA
- Center for Musculoskeletal Research, Department of Orthopedic Surgery, University of Rochester School of Medicine, Rochester, NY, USA
| | - Thomas G. Myers
- Department of Orthopedic Surgery, University of Rochester School of Medicine, Rochester, NY, USA
| | - Caroline P. Thirukumaran
- Department of Orthopedic Surgery, University of Rochester School of Medicine, Rochester, NY, USA
- Center for Musculoskeletal Research, Department of Orthopedic Surgery, University of Rochester School of Medicine, Rochester, NY, USA
| | - Benjamin F. Ricciardi
- Department of Orthopedic Surgery, University of Rochester School of Medicine, Rochester, NY, USA
- Center for Musculoskeletal Research, Department of Orthopedic Surgery, University of Rochester School of Medicine, Rochester, NY, USA
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Rohrer F, Farokhnia A, Nötzli H, Haubitz F, Hermann T, Gahl B, Limacher A, Brügger J. Profit-Influencing Factors in Orthopedic Surgery: An Analysis of Costs and Reimbursements. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19074325. [PMID: 35410007 PMCID: PMC8998626 DOI: 10.3390/ijerph19074325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 03/30/2022] [Accepted: 03/31/2022] [Indexed: 11/25/2022]
Abstract
The aging population and the associated demand for orthopedic surgeries are increasing health costs. Although the Diagnostic Related Groups (DRG) system was introduced to offer incentives for hospitals, concerns remain that reimbursements for older and frail patients do not cover all hospital expenses. We investigated further: (1) Does age influence net financial results in orthopedic surgery? (2) Are there patient or surgical factors that influence results? This retrospective, monocentric study compares costs and reimbursements for orthopedic patients in a tertiary care hospital in Switzerland between 2015 and 2017. The data of 1230 patients were analyzed. Overall, the net results for the hospital were positive, despite 19.5% of patients being treated at a loss. We did not find any correlation between age and profitability (p = 0.61). Patient-related factors associated with financial losses were female sex (p < 0.001) and diabetes (p = 0.013). Patients free of serious comorbidities (p = 0.012) or with a higher cost weight (p < 0.001) were more often profitable. A longer length of stay was associated with higher losses (p < 0.001). This is the first study to address the Swiss DRG reimbursement system in a broad orthopedic population, while also analyzing specific patient and surgical factors. Overall, the reimbursement system is fair, but could better account for certain interventions.
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Affiliation(s)
- Felix Rohrer
- Centre Hospitalier Universitaire Vaudois, CHUV, 1011 Lausanne, Switzerland
- Department of Internal Medicine, Sonnenhofspital, 3006 Bern, Switzerland;
- Correspondence: ; Tel.: +41-78-890-13-32
| | - Aresh Farokhnia
- Clinic for Immunology, University Hospital Zurich, 8091 Zurich, Switzerland;
| | - Hubert Nötzli
- Orthopädie Sonnenhof, 3006 Bern, Switzerland;
- Faculty of Medicine, University of Bern, 3012 Bern, Switzerland
| | | | - Tanja Hermann
- Stiftung Lindenhof, Campus SLB, Swiss Institute for Translational and Entrepreneurial Medicine, 3010 Bern, Switzerland;
| | - Brigitta Gahl
- Clinical Trial Unit, University of Bern, 3012 Bern, Switzerland; (B.G.); (A.L.)
| | - Andreas Limacher
- Clinical Trial Unit, University of Bern, 3012 Bern, Switzerland; (B.G.); (A.L.)
| | - Jan Brügger
- Department of Internal Medicine, Sonnenhofspital, 3006 Bern, Switzerland;
- Faculty of Medicine, University of Zurich, 8006 Zurich, Switzerland
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28
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Fang CJ, Mazzocco JC, Sun DC, Shaker JM, Talmo CT, Mattingly DA, Smith EL. Total Knee Arthroplasty Hospital Costs by Time-Driven Activity-Based Costing: Robotic vs Conventional. Arthroplast Today 2021; 13:43-47. [PMID: 34917720 PMCID: PMC8666607 DOI: 10.1016/j.artd.2021.11.008] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 10/15/2021] [Accepted: 11/14/2021] [Indexed: 11/19/2022] Open
Abstract
Background Total knee arthroplasty (TKA) represents a major national health expenditure. The last decade has seen a surge in robotic-assisted TKA (roTKA); however, literature on the costs of roTKA as compared to conventional TKA (cTKA) is limited. The purpose of this study was to assess the costs associated with roTKA as compared to cTKA. Methods This was a retrospective cohort cost-analysis study of patients undergoing primary, elective roTKA or cTKA from July 2020 to March 2021. Time-driven activity-based costing (TDABC) was used to determine granular costs. Patient demographics, medical/surgical details, and costs were compared. Results A total of 2058 TKAs were analyzed (1795 cTKAs and 263 roTKAs). roTKA patients were more often male (50.2% vs 42.3%; P = .016), and discharged home (98.5% vs 93.7%; P = .017), and had longer operating room (OR) time (144.6 vs 130.9 minutes; P < .0001), and lower length of stay (LOS) (1.8 vs 2.1 days; P < .0001). roTKA costs were 2.17× greater for supplies excluding implant (P < .0001), 1.18× for total supplies (P < .0001), 1.12× for OR personnel (P < .0001), and 1.05× for total personnel (P = .0001). Implant costs were similar (P = .076), but 0.98× cheaper for post-anesthesia care unit personnel (P = .018) and 0.84× for inpatient personnel (P < .0001). Overall hospital costs for roTKA were 1.10× more than cTKA (P < .0001). Conclusion roTKA had higher total hospital costs than cTKA. Despite a lower LOS, the longer OR time with higher supply and personnel costs resulted in a costlier procedure. Understanding the costs of roTKA is essential when considering the value (ie, outcomes per dollars spent) of this modern technology.
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Affiliation(s)
- Christopher J. Fang
- Department of Orthopedic Surgery, New England Baptist Hospital, Boston, MA, USA
| | - John C. Mazzocco
- Department of Orthopaedic Surgery, University of Louisville, School of Medicine, Louisville, KY, USA
| | - Daniel C. Sun
- Department of Orthopedic Surgery, New England Baptist Hospital, Boston, MA, USA
| | - Jonathan M. Shaker
- Department of Orthopedic Surgery, New England Baptist Hospital, Boston, MA, USA
| | - Carl T. Talmo
- Department of Orthopedic Surgery, New England Baptist Hospital, Boston, MA, USA
| | - David A. Mattingly
- Department of Orthopedic Surgery, New England Baptist Hospital, Boston, MA, USA
| | - Eric L. Smith
- Department of Orthopedic Surgery, New England Baptist Hospital, Boston, MA, USA
- Corresponding author. New England Baptist Hospital, 125 Parker Hill Avenue, Boston, MA 02120, USA. Tel.: +1 617 754 5000.
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