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Buddhiraju A, Kagabo W, Khanuja HS, Oni JK, Nikkel LE, Hegde V. Decreased Risk of Readmission and Complications with Preoperative GLP-1 Analog Use in Patients Undergoing Primary Total Joint Arthroplasty. J Arthroplasty 2024:S0883-5403(24)00551-5. [PMID: 38823516 DOI: 10.1016/j.arth.2024.05.079] [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: 02/09/2024] [Revised: 03/15/2024] [Accepted: 05/27/2024] [Indexed: 06/03/2024] Open
Abstract
INTRODUCTION There has been considerable interest in the use of GLP-1 receptor analogs (GLP-1 RAs) for weight optimization in patients undergoing elective arthroplasty. As there is limited data regarding the implications of their use, our study aimed to evaluate the association between preoperative GLP-1 RA use and postoperative outcomes in patients undergoing primary total hip (THA) and total knee arthroplasty (TKA). METHODS The TrinetX research network was queried to identify all patients undergoing primary THA or TKA between May 2005 and December 2023 across 84 healthcare organizations. Patients were stratified based on preoperative GLP-1 RA use. Propensity score matching (1:1) was performed to account for baseline differences in demographics, laboratory investigations, and comorbidities. Subsequently, risk ratios were evaluated for postoperative outcomes. RESULTS A total of 268,504 and 386,356 patients underwent THA and TKA, of which 1,044 and 2,095 used preoperative GLP-1 RAs. After matching, GLP-1 RA use was associated with a decreased 90-day risk of periprosthetic joint infection (2.1% vs. 3.6%, RR= 0.58, P=0.042) and readmission (1.1% vs. 2.0%, RR= 0.53, P=0.017) following THA and TKA, respectively. There was no difference in the risk of all other outcomes between comparison groups. CONCLUSION Preoperative GLP-1 RA use is associated with a 42% decreased risk of periprosthetic joint infection and 47% decreased risk of readmission in the 90-day postoperative period following THA and TKA, respectively, with no difference in other risks, including aspiration. Our findings indicate that GLP-1 RAs may be safe to use in patients undergoing elective arthroplasty; however, further studies are warranted to inform the routine use of GLP-1 RAs for weight management in THA and TKA patients.
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Affiliation(s)
- Anirudh Buddhiraju
- Department of Orthopaedic Surgery, The Johns Hopkins University School of Medicine, Baltimore, MD
| | - Whitney Kagabo
- Department of Orthopaedic Surgery, The Johns Hopkins University School of Medicine, Baltimore, MD
| | - Harpal S Khanuja
- Department of Orthopaedic Surgery, The Johns Hopkins University School of Medicine, Baltimore, MD
| | - Julius K Oni
- Department of Orthopaedic Surgery, The Johns Hopkins University School of Medicine, Baltimore, MD
| | - Lucas E Nikkel
- Department of Orthopaedic Surgery, The Johns Hopkins University School of Medicine, Baltimore, MD
| | - Vishal Hegde
- Department of Orthopaedic Surgery, The Johns Hopkins University School of Medicine, Baltimore, MD.
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Connors JP, Strecker S, Nagarkatti D, Carangelo RJ, Witmer D. Increasing Body Mass Index Not Associated With Worse Patient-Reported Outcomes After Primary THA or TKA. J Am Acad Orthop Surg 2024:00124635-990000000-00999. [PMID: 38781348 DOI: 10.5435/jaaos-d-24-00154] [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: 02/06/2024] [Accepted: 04/19/2024] [Indexed: 05/25/2024] Open
Abstract
INTRODUCTION As the US obesity epidemic continues to grow, so too does comorbid hip and knee arthritis. Strict body mass index (BMI) cutoffs for total hip and knee arthroplasty (THA and TKA) in the morbidly obese have been proposed and remain controversial, although current American Academy of Orthopaedic Surgeons guidelines recommend a BMI of less than 40 m/kg2 before surgery. This study sought to compare patient-reported outcomes and 30-day complication, readmission, and revision surgery rates after THA or TKA between morbidly obese patients and nonmorbidly obese control subjects. METHODS All patients undergoing primary THA and TKA at our institution from May 2020 to July 2022 were identified. Patient demographics, surgical time, length of stay and 30-day readmission, revision surgery, and complication rates were prospectively collected. Preoperative and postoperative Hip and Knee Society (Hip Osteoarthritis Outcome Score [HOOS] and Knee Osteoarthritis Outcome Score [KOOS]) were collected. Patients were stratified by BMI as ideal weight (20 to 24.9), overweight (25 to 29.9), class I obese (30 to 34.9), class II obese (35 to 39.9), and morbidly obese (>40 m/kg2). RESULTS A total of 1,423 patients were included for final analysis. No difference was observed in 30-day unplanned return to emergency department, readmission, or revision surgery in the morbidly obese cohort. Morbidly obese patients undergoing THA had lower preoperative HOOS (49.5 versus 54.5, P = 0.004); however, there was no difference in postoperative HOOS or KOOS at 12 months across all cohorts. DISCUSSION No difference was observed in 30-day return to emergency department, readmission, or revision surgery in the morbidly obese cohort. Despite a lower preoperative HOOS, there was no difference in 12-month HOOS or KOOS when stratified by BMI. These findings suggest that such patients may achieve similar benefit from arthroplasty as their ideal weight counterparts.
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Affiliation(s)
- John Patrick Connors
- From the University of Connecticut, Farmington, CT (Connors), and the Bone and Joint Institute (Connors, Strecker, Nagarkatti, Carangelo, Witmer), Hartford Hospital, Hartford, CT
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Godziuk K, Fast A, Righolt CH, Giori NJ, Harris AHS, Bohm ER. Consistent Factors Influence Body Mass Index Thresholds for Total Joint Arthroplasty Across Health-Care Systems: A Qualitative Study. J Bone Joint Surg Am 2024:00004623-990000000-01089. [PMID: 38704647 DOI: 10.2106/jbjs.23.01081] [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] [Indexed: 05/06/2024]
Abstract
BACKGROUND Body mass index (BMI) thresholds are used as eligibility criteria to reduce complication risk in total joint arthroplasty (TJA). This approach oversimplifies preoperative risk assessment and inadvertently restricts access to effective surgical treatment for osteoarthritis. A prior survey of orthopaedic surgeons in the United States identified complex underlying factors that influence BMI considerations. To understand whether similar factors exist and influence surgeons in a different health-care system setting, we investigated Canadian surgeons' views and use of BMI criterion thresholds for TJA access. METHODS A cross-sectional online qualitative survey was conducted with orthopaedic surgeons performing TJA in the Canadian health-care system. Responses were anonymous and questions were open-ended to allow for candid perspectives. Survey data were coded and a systematic process was followed to identify major themes. Findings were compared with U.S. surgeon perspectives. RESULTS Sixty-nine respondents had a mean age of 49.0 ± 11.4 years (range, 33 to 79 years), with a mean surgical experience duration of 15.7 ± 11.4 years (range, 2 to 50 years). Surgeons reported variable use of BMI thresholds in practice. Twelve interconnected factors that influence BMI considerations were identified: (1) variable evidence interpretation, (2) surgical challenge, (3) surgeon beliefs and biases, (4) hospital differences, (5) access to resources, (6) health system bias, (7) patient health status, (8) patient body fat distribution, (9) patient decisional burden (to lose weight or accept risk), (10) evidence gaps and uncertainties, (11) need for innovation, and (12) societal views. Nine themes matched with findings from U.S. surgeons. CONCLUSIONS Parallel to the United States, complex, interconnected factors influence Canadian orthopaedic surgeons' variable use of BMI restrictions for TJA eligibility. Despite different health-care systems and reimbursement models, similar technical and personal factors were identified. With TJA practice guidelines advising against hard BMI criteria, attention regarding access to resources, surgical training, and innovations to address TJA complexity in patients with large bodies are critically needed. Future advancements in this sphere must balance barrier removal with risk reduction to ensure safe and equitable surgical care. CLINICAL RELEVANCE This study may influence surgeon behaviors with regard to hard BMI cutoffs for TJA and encourage critical thought about factors that influence decisions about surgical eligibility for patients with high BMI.
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Affiliation(s)
- Kristine Godziuk
- Department of Agricultural, Food and Nutritional Science, Faculty of Agricultural, Life and Environmental Sciences, University of Alberta, Edmonton, Alberta, Canada
| | - Andrew Fast
- Department of Surgery, Max Rady College of Medicine, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Christiaan H Righolt
- Department of Surgery, Max Rady College of Medicine, University of Manitoba, Winnipeg, Manitoba, Canada
- Orthopaedic Innovation Centre, Winnipeg, Manitoba, Canada
| | - Nicholas J Giori
- Department of Orthopedic Surgery, School of Medicine, Stanford University, Stanford, California
- VA Palo Alto Health Care System, Palo Alto, California
| | - Alex H S Harris
- Department of Surgery, School of Medicine, Stanford University
- Center for Innovation to Implementation, VA Palo Alto Health Care System, Palo Alto, California
| | - Eric R Bohm
- Department of Surgery, Max Rady College of Medicine, University of Manitoba, Winnipeg, Manitoba, Canada
- Orthopaedic Innovation Centre, Winnipeg, Manitoba, Canada
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Hardy A, Belzile EL, Roy V, Pageau-Bleau J, Tremblay F, Dartus J, Germain G, Pelet S. Sleep Apnea is Not an Obstacle for Outpatient Hip and Knee Arthroplasty. J Arthroplasty 2024:S0883-5403(24)00119-0. [PMID: 38355063 DOI: 10.1016/j.arth.2024.02.020] [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: 10/26/2023] [Revised: 02/02/2024] [Accepted: 02/07/2024] [Indexed: 02/16/2024] Open
Abstract
BACKGROUND Up to 25% of patients requiring hip or knee arthroplasty have sleep apnea (SA), and these patients have historically been excluded from outpatient programs. The objectives of this study were to evaluate same-day discharge failure as well as 30-day complications, readmissions, and unexpected visits. METHODS A retrospective case-control study comparing patients who have and do not have SA matched for age, sex and arthroplasty type (total hip arthroplasty, total knee arthroplasty, unicompartimental knee arthroplasty) who underwent primary outpatient surgery between February 2019 and December 2022 in 2 academic hospitals was conducted. Cases with mild SA, moderate SA with a body mass index (BMI) <35, and SA of all severity treated by continuous positive airway pressure machines were eligible. There were 156 patients included (78 cases). Complications were assessed according to the Clavien-Dindo Classification and the Comprehensive Complication Index. Continuous variables were evaluated by Student's T or Mann-Whitney tests, while categorical data were analyzed by Chi-square or Fisher tests. Univariate analyses were performed to determine discharge failure risk factors. RESULTS There were 6 cases (7.7%) and 5 controls (6.4%) who failed to be discharged on surgery day (P = .754), with postoperative hypoxemia (6, [3.8%]) and apnea periods (3, [1.9%]) being the most common causes. Higher BMI (odds ratio = 1.19, P = .013) and general anesthesia (odds ratio = 11.97, P = .004) were found to be risk factors for discharge failure. No difference was observed on 30-day readmissions (P = .497), unexpected visits (P = 1.000), and complications on the Clavien-Dindo Classification (P > .269) and Comprehensive Complication Index (P > .334) scales. CONCLUSIONS Selected patients who have SA can safely undergo outpatient hip or knee arthroplasty. Higher BMI and general anesthesia increased the odds of same-day discharge failure. LEVEL OF EVIDENCE Level III, Case-control Study.
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Affiliation(s)
- Alexandre Hardy
- Department of Orthopaedic Surgery, CHU de Québec-Université Laval, Quebec City, QC, Canada
| | - Etienne L Belzile
- Division of Orthopaedic Surgery, Department of Surgery, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada
| | - Vincent Roy
- Department of Orthopaedic Surgery, CHU de Québec-Université Laval, Quebec City, QC, Canada; Division of Orthopaedic Surgery, Department of Surgery, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada
| | - Julien Pageau-Bleau
- Department of Orthopaedic Surgery, CHU de Québec-Université Laval, Quebec City, QC, Canada
| | - Félix Tremblay
- Department of Orthopaedic Surgery, CHU de Québec-Université Laval, Quebec City, QC, Canada
| | - Julien Dartus
- Department of Orthopaedic Surgery, CHU de Québec-Université Laval, Quebec City, QC, Canada; Faculty of Medicine, Division of Orthopaedic Surgery, Department of Surgery, Université de Lille, Lille, France
| | - Geneviève Germain
- Department of Anesthesiology, CHU de Québec-Université Laval, Quebec City, QC, Canada
| | - Stéphane Pelet
- Department of Orthopaedic Surgery, CHU de Québec-Université Laval, Quebec City, QC, Canada; CHU de Québec-Université Laval FRQS Research Center - Regenerative Medicine Axis, Quebec City, QC, Canada
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Bosler AC, Deckard ER, Buller LT, Meneghini RM. Obesity is Associated With Greater Improvement in Patient-Reported Outcomes Following Primary Total Knee Arthroplasty. J Arthroplasty 2023; 38:2484-2491. [PMID: 37595768 DOI: 10.1016/j.arth.2023.08.031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Revised: 08/08/2023] [Accepted: 08/09/2023] [Indexed: 08/20/2023] Open
Abstract
BACKGROUND Body mass index (BMI) cutoffs have been established for total knee arthroplasty (TKA) patients due to increased risk of medical complications in obese patients. However, evidence-based medical optimization may mitigate risk in these patients. This study examined the influence of BMI on patient-reported outcome measures (PROMs) following primary TKA with specialized perioperative optimization. METHODS Between 2016 and 2020, 1,329 consecutive primary TKAs using standardized perioperative optimization were retrospectively reviewed. Patients were categorized into ordinal groups based on BMI in 5 kg/m2 increments (range, 17 to 61). Primary outcomes related to activity level, pain, function, and satisfaction were evaluated. BMI groups ≥35 had significantly lower age, more women, and higher prevalence of comorbidities (P ≤ .004). Mean follow-up was 1.7 years (range, 1 to 5 years). RESULTS Each successive BMI group from 35 to ≥50 demonstrated continually greater improvement in pain with level walking and stair climbing (P ≤ .001), Knee Injury and Osteoarthritis Outcome Score for Joint Replacement (P = .001), and greater satisfaction (P = .007). No patients who had a BMI ≥35 were revised for aseptic loosening, and rates of periprosthetic joint infection were not different between BMI groups (P = 1.000). CONCLUSION Despite being more debilitated preoperatively, patients who had a BMI ≥35 experienced greater improvements in PROMs compared to patients who had lower BMI. Given the significant improvements in PROMs and quality of life in obese patients, with appropriate perioperative optimization, these patients should not be prohibited from having a TKA when appropriately indicated. LEVEL OF EVIDENCE III.
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Affiliation(s)
- Ashton C Bosler
- Department of Orthopaedic Surgery, Indiana University School of Medicine, Indianapolis, Indiana
| | - Evan R Deckard
- Indiana Joint Replacement Institute, Indianapolis, Indiana
| | - Leonard T Buller
- Department of Orthopaedic Surgery, Indiana University School of Medicine, Indianapolis, Indiana
| | - R Michael Meneghini
- Department of Orthopaedic Surgery, Indiana University School of Medicine, Indianapolis, Indiana; Indiana Joint Replacement Institute, Indianapolis, Indiana
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Hannon CP, Goodman SM, Austin MS, Yates A, Guyatt G, Aggarwal VK, Baker JF, Bass P, Bekele DI, Dass D, Ghomrawi HMK, Jevsevar DS, Kwoh CK, Lajam CM, Meng CF, Moreland LW, Suleiman LI, Wolfstadt J, Bartosiak K, Bedard NA, Blevins JL, Cohen-Rosenblum A, Courtney PM, Fernandez-Ruiz R, Gausden EB, Ghosh N, King LK, Meara AS, Mehta B, Mirza R, Rana AJ, Sullivan N, Turgunbaev M, Wysham KD, Yip K, Yue L, Zywiel MG, Russell L, Turner AS, Singh JA. 2023 American College of Rheumatology and American Association of Hip and Knee Surgeons Clinical Practice Guideline for the Optimal Timing of Elective Hip or Knee Arthroplasty for Patients With Symptomatic Moderate-to-Severe Osteoarthritis or Advanced Symptomatic Osteonecrosis With Secondary Arthritis for Whom Nonoperative Therapy Is Ineffective. J Arthroplasty 2023; 38:2193-2201. [PMID: 37778918 DOI: 10.1016/j.arth.2023.09.003] [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: 03/10/2023] [Revised: 04/05/2023] [Accepted: 06/14/2023] [Indexed: 10/03/2023] Open
Abstract
OBJECTIVE To develop evidence-based consensus recommendations for the optimal timing of hip and knee arthroplasty to improve patient-important outcomes including, but not limited to, pain, function, infection, hospitalization, and death at 1 year for patients with symptomatic and radiographic moderate-to-severe osteoarthritis or advanced symptomatic osteonecrosis with secondary arthritis of the hip or knee who have previously attempted nonoperative therapy, and for whom nonoperative therapy was ineffective, and who have chosen to undergo elective hip or knee arthroplasty (collectively referred to as TJA). METHODS We developed 13 clinically relevant population, intervention, comparator, outcomes (PICO) questions. After a systematic literature review, the Grading of Recommendations Assessment, Development and Evaluation (GRADE) approach was used to rate the quality of evidence (high, moderate, low, or very low), and evidence tables were created. A Voting Panel, including 13 physicians and patients, discussed the PICO questions until consensus was achieved on the direction (for/against) and strength (strong/conditional) of the recommendations. RESULTS The panel conditionally recommended against delaying TJA to pursue additional nonoperative treatment including physical therapy, nonsteroidal antiinflammatory drugs, ambulatory aids, and intraarticular injections. It conditionally recommended delaying TJA for nicotine reduction or cessation. The panel conditionally recommended delay for better glycemic control for patients who have diabetes mellitus, although no specific measure or level was identified. There was consensus that obesity by itself was not a reason for delay, but that weight loss should be strongly encouraged, and the increase in operative risk should be discussed. The panel conditionally recommended against delay in patients who have severe deformity or bone loss, or in patients who have a neuropathic joint. Evidence for all recommendations was graded as low or very low quality. CONCLUSION This guideline provides evidence-based recommendations regarding the optimal timing of TJA in patients who have symptomatic and radiographic moderate-to-severe osteoarthritis or advanced symptomatic osteonecrosis with secondary arthritis for whom nonoperative therapy was ineffective to improve patient-important outcomes, including pain, function, infection, hospitalization, and death at 1 year. We acknowledge that the evidence is of low quality primarily due to indirectness and hope future research will allow for further refinement of the recommendations.
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Affiliation(s)
| | - Susan M Goodman
- Hospital for Special Surgery and Weill Cornell Medicine, New York, New York
| | | | - Adolph Yates
- University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
| | | | | | | | | | | | | | | | | | - C Kent Kwoh
- University of Arizona College of Medicine, Tucson
| | | | - Charis F Meng
- Hospital for Special Surgery and Weill Cornell Medicine, New York, New York
| | | | - Linda I Suleiman
- Feinberg School of Medicine of Northwestern University, Chicago, Illinois
| | - Jesse Wolfstadt
- Sinai Health, University of Toronto, Toronto, Ontario, Canada
| | | | | | - Jason L Blevins
- Hospital for Special Surgery and Weill Cornell Medicine, New York, New York
| | | | | | | | | | - Nilasha Ghosh
- Hospital for Special Surgery and Weill Cornell Medicine, New York, New York
| | | | | | - Bella Mehta
- Hospital for Special Surgery and Weill Cornell Medicine, New York, New York
| | - Reza Mirza
- McMaster University, Hamilton, Ontario, Canada
| | | | | | | | - Katherine D Wysham
- VA Puget Sound Health Care System and University of Washington School of Medicine, Seattle
| | - Kevin Yip
- Hospital for Special Surgery and Weill Cornell Medicine, New York, New York
| | - Linda Yue
- Hospital for Special Surgery and Weill Cornell Medicine, New York, New York
| | - Michael G Zywiel
- Schroeder Arthritis Institute, Toronto Western Hospital, University of Toronto, Toronto, Ontario, Canada
| | - Linda Russell
- Hospital for Special Surgery and Weill Cornell Medicine, New York, New York
| | - Amy S Turner
- American College of Rheumatology, Atlanta, Georgia
| | - Jasvinder A Singh
- University of Alabama at Birmingham and Veterans Affairs Medical Center, Birmingham, Alabama
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Hannon CP, Goodman SM, Austin MS, Yates A, Guyatt G, Aggarwal VK, Baker JF, Bass P, Bekele DI, Dass D, Ghomrawi HMK, Jevsevar DS, Kwoh CK, Lajam CM, Meng CF, Moreland LW, Suleiman LI, Wolfstadt J, Bartosiak K, Bedard NA, Blevins JL, Cohen-Rosenblum A, Courtney PM, Fernandez-Ruiz R, Gausden EB, Ghosh N, King LK, Meara AS, Mehta B, Mirza R, Rana AJ, Sullivan N, Turgunbaev M, Wysham KD, Yip K, Yue L, Zywiel MG, Russell L, Turner AS, Singh JA. 2023 American College of Rheumatology and American Association of Hip and Knee Surgeons Clinical Practice Guideline for the Optimal Timing of Elective Hip or Knee Arthroplasty for Patients With Symptomatic Moderate-to-Severe Osteoarthritis or Advanced Symptomatic Osteonecrosis With Secondary Arthritis for Whom Nonoperative Therapy Is Ineffective. Arthritis Rheumatol 2023; 75:1877-1888. [PMID: 37746897 DOI: 10.1002/art.42630] [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: 03/10/2023] [Revised: 04/05/2023] [Accepted: 06/14/2023] [Indexed: 09/26/2023]
Abstract
OBJECTIVE To develop evidence-based consensus recommendations for the optimal timing of hip and knee arthroplasty to improve patient-important outcomes including, but not limited to, pain, function, infection, hospitalization, and death at 1 year for patients with symptomatic and radiographic moderate-to-severe osteoarthritis or advanced symptomatic osteonecrosis with secondary arthritis of the hip or knee who have previously attempted nonoperative therapy, and for whom nonoperative therapy was ineffective, and who have chosen to undergo elective hip or knee arthroplasty (collectively referred to as TJA). METHODS We developed 13 clinically relevant population, intervention, comparator, outcomes (PICO) questions. After a systematic literature review, the Grading of Recommendations Assessment, Development and Evaluation (GRADE) approach was used to rate the quality of evidence (high, moderate, low, or very low), and evidence tables were created. A Voting Panel, including 13 physicians and patients, discussed the PICO questions until consensus was achieved on the direction (for/against) and strength (strong/conditional) of the recommendations. RESULTS The panel conditionally recommended against delaying TJA to pursue additional nonoperative treatment including physical therapy, nonsteroidal antiinflammatory drugs, ambulatory aids, and intraarticular injections. It conditionally recommended delaying TJA for nicotine reduction or cessation. The panel conditionally recommended delay for better glycemic control for patients who have diabetes mellitus, although no specific measure or level was identified. There was consensus that obesity by itself was not a reason for delay, but that weight loss should be strongly encouraged, and the increase in operative risk should be discussed. The panel conditionally recommended against delay in patients who have severe deformity or bone loss, or in patients who have a neuropathic joint. Evidence for all recommendations was graded as low or very low quality. CONCLUSION This guideline provides evidence-based recommendations regarding the optimal timing of TJA in patients who have symptomatic and radiographic moderate-to-severe osteoarthritis or advanced symptomatic osteonecrosis with secondary arthritis for whom nonoperative therapy was ineffective to improve patient-important outcomes, including pain, function, infection, hospitalization, and death at 1 year. We acknowledge that the evidence is of low quality primarily due to indirectness and hope future research will allow for further refinement of the recommendations.
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Affiliation(s)
| | - Susan M Goodman
- Hospital for Special Surgery and Weill Cornell Medicine, New York, New York
| | | | - Adolph Yates
- University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
| | | | | | | | | | | | | | | | | | - C Kent Kwoh
- University of Arizona College of Medicine, Tucson
| | | | - Charis F Meng
- Hospital for Special Surgery and Weill Cornell Medicine, New York, New York
| | | | - Linda I Suleiman
- Feinberg School of Medicine of Northwestern University, Chicago, Illinois
| | - Jesse Wolfstadt
- Sinai Health, University of Toronto, Toronto, Ontario, Canada
| | | | | | - Jason L Blevins
- Hospital for Special Surgery and Weill Cornell Medicine, New York, New York
| | | | | | | | | | - Nilasha Ghosh
- Hospital for Special Surgery and Weill Cornell Medicine, New York, New York
| | | | | | - Bella Mehta
- Hospital for Special Surgery and Weill Cornell Medicine, New York, New York
| | - Reza Mirza
- McMaster University, Hamilton, Ontario, Canada
| | | | | | | | - Katherine D Wysham
- VA Puget Sound Health Care System and University of Washington School of Medicine, Seattle
| | - Kevin Yip
- Hospital for Special Surgery and Weill Cornell Medicine, New York, New York
| | - Linda Yue
- Hospital for Special Surgery and Weill Cornell Medicine, New York, New York
| | - Michael G Zywiel
- Schroeder Arthritis Institute, Toronto Western Hospital, University of Toronto, Toronto, Ontario, Canada
| | - Linda Russell
- Hospital for Special Surgery and Weill Cornell Medicine, New York, New York
| | - Amy S Turner
- American College of Rheumatology, Atlanta, Georgia
| | - Jasvinder A Singh
- University of Alabama at Birmingham and Veterans Affairs Medical Center, Birmingham, Alabama
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8
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Hannon CP, Goodman SM, Austin MS, Yates A, Guyatt G, Aggarwal VK, Baker JF, Bass P, Bekele DI, Dass D, Ghomrawi HMK, Jevsevar DS, Kwoh CK, Lajam CM, Meng CF, Moreland LW, Suleiman LI, Wolfstadt J, Bartosiak K, Bedard NA, Blevins JL, Cohen-Rosenblum A, Courtney PM, Fernandez-Ruiz R, Gausden EB, Ghosh N, King LK, Meara AS, Mehta B, Mirza R, Rana AJ, Sullivan N, Turgunbaev M, Wysham KD, Yip K, Yue L, Zywiel MG, Russell L, Turner AS, Singh JA. 2023 American College of Rheumatology and American Association of Hip and Knee Surgeons Clinical Practice Guideline for the Optimal Timing of Elective Hip or Knee Arthroplasty for Patients With Symptomatic Moderate-to-Severe Osteoarthritis or Advanced Symptomatic Osteonecrosis With Secondary Arthritis for Whom Nonoperative Therapy Is Ineffective. Arthritis Care Res (Hoboken) 2023; 75:2227-2238. [PMID: 37743767 DOI: 10.1002/acr.25175] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Revised: 04/05/2023] [Accepted: 06/14/2023] [Indexed: 09/26/2023]
Abstract
OBJECTIVE To develop evidence-based consensus recommendations for the optimal timing of hip and knee arthroplasty to improve patient-important outcomes including, but not limited to, pain, function, infection, hospitalization, and death at 1 year for patients with symptomatic and radiographic moderate-to-severe osteoarthritis or advanced symptomatic osteonecrosis with secondary arthritis of the hip or knee who have previously attempted nonoperative therapy, and for whom nonoperative therapy was ineffective, and who have chosen to undergo elective hip or knee arthroplasty (collectively referred to as TJA). METHODS We developed 13 clinically relevant population, intervention, comparator, outcomes (PICO) questions. After a systematic literature review, the Grading of Recommendations Assessment, Development and Evaluation (GRADE) approach was used to rate the quality of evidence (high, moderate, low, or very low), and evidence tables were created. A Voting Panel, including 13 physicians and patients, discussed the PICO questions until consensus was achieved on the direction (for/against) and strength (strong/conditional) of the recommendations. RESULTS The panel conditionally recommended against delaying TJA to pursue additional nonoperative treatment including physical therapy, nonsteroidal antiinflammatory drugs, ambulatory aids, and intraarticular injections. It conditionally recommended delaying TJA for nicotine reduction or cessation. The panel conditionally recommended delay for better glycemic control for patients who have diabetes mellitus, although no specific measure or level was identified. There was consensus that obesity by itself was not a reason for delay, but that weight loss should be strongly encouraged, and the increase in operative risk should be discussed. The panel conditionally recommended against delay in patients who have severe deformity or bone loss, or in patients who have a neuropathic joint. Evidence for all recommendations was graded as low or very low quality. CONCLUSION This guideline provides evidence-based recommendations regarding the optimal timing of TJA in patients who have symptomatic and radiographic moderate-to-severe osteoarthritis or advanced symptomatic osteonecrosis with secondary arthritis for whom nonoperative therapy was ineffective to improve patient-important outcomes, including pain, function, infection, hospitalization, and death at 1 year. We acknowledge that the evidence is of low quality primarily due to indirectness and hope future research will allow for further refinement of the recommendations.
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Affiliation(s)
| | - Susan M Goodman
- Hospital for Special Surgery and Weill Cornell Medicine, New York, New York
| | | | - Adolph Yates
- University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
| | | | | | | | | | | | | | | | | | - C Kent Kwoh
- University of Arizona College of Medicine, Tucson
| | | | - Charis F Meng
- Hospital for Special Surgery and Weill Cornell Medicine, New York, New York
| | | | - Linda I Suleiman
- Feinberg School of Medicine of Northwestern University, Chicago, Illinois
| | - Jesse Wolfstadt
- Sinai Health, University of Toronto, Toronto, Ontario, Canada
| | | | | | - Jason L Blevins
- Hospital for Special Surgery and Weill Cornell Medicine, New York, New York
| | | | | | | | | | - Nilasha Ghosh
- Hospital for Special Surgery and Weill Cornell Medicine, New York, New York
| | | | | | - Bella Mehta
- Hospital for Special Surgery and Weill Cornell Medicine, New York, New York
| | - Reza Mirza
- McMaster University, Hamilton, Ontario, Canada
| | | | | | | | - Katherine D Wysham
- VA Puget Sound Health Care System and University of Washington School of Medicine, Seattle
| | - Kevin Yip
- Hospital for Special Surgery and Weill Cornell Medicine, New York, New York
| | - Linda Yue
- Hospital for Special Surgery and Weill Cornell Medicine, New York, New York
| | - Michael G Zywiel
- Schroeder Arthritis Institute, Toronto Western Hospital, University of Toronto, Toronto, Ontario, Canada
| | - Linda Russell
- Hospital for Special Surgery and Weill Cornell Medicine, New York, New York
| | - Amy S Turner
- American College of Rheumatology, Atlanta, Georgia
| | - Jasvinder A Singh
- University of Alabama at Birmingham and Veterans Affairs Medical Center, Birmingham, Alabama
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9
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Weinstein EJ, Stephens-Shields AJ, Newcomb CW, Silibovsky R, Nelson CL, O'Donnell JA, Glaser LJ, Hsieh E, Hanberg JS, Tate JP, Akgün KM, King JT, Lo Re V. Incidence, Microbiological Studies, and Factors Associated With Prosthetic Joint Infection After Total Knee Arthroplasty. JAMA Netw Open 2023; 6:e2340457. [PMID: 37906194 PMCID: PMC10618849 DOI: 10.1001/jamanetworkopen.2023.40457] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Accepted: 09/18/2023] [Indexed: 11/02/2023] Open
Abstract
Importance Despite the frequency of total knee arthroplasty (TKA) and clinical implications of prosthetic joint infections (PJIs), knowledge gaps remain concerning the incidence, microbiological study results, and factors associated with these infections. Objectives To identify the incidence rates, organisms isolated from microbiological studies, and patient and surgical factors of PJI occurring early, delayed, and late after primary TKA. Design, Setting, and Participants This cohort study obtained data from the US Department of Veterans Affairs (VA) Corporate Data Warehouse on patients who underwent elective primary TKA in the VA system between October 1, 1999, and September 30, 2019, and had at least 1 year of care in the VA prior to TKA. Patients who met these criteria were included in the overall cohort, and patients with linked Veterans Affairs Surgical Quality Improvement Program (VASQIP) data composed the VASQIP cohort. Data were analyzed between December 9, 2021, and September 18, 2023. Exposures Primary TKA as well as demographic, clinical, and perioperative factors. Main Outcomes and Measures Incident hospitalization with early, delayed, or late PJI. Incidence rate (events per 10 000 person-months) was measured in 3 postoperative periods: early (≤3 months), delayed (between >3 and ≤12 months), and late (>12 months). Unadjusted Poisson regression was used to estimate incidence rate ratios (IRRs) with 95% CIs of early and delayed PJI compared with late PJI. The frequency of organisms isolated from synovial or operative tissue culture results of PJIs during each postoperative period was identified. A piecewise exponential parametric survival model was used to estimate IRRs with 95% CIs associated with demographic and clinical factors in each postoperative period. Results The 79 367 patients (median (IQR) age of 65 (60-71) years) in the overall cohort who underwent primary TKA included 75 274 males (94.8%). A total of 1599 PJIs (2.0%) were identified. The incidence rate of PJI was higher in the early (26.8 [95% CI, 24.8-29.0] events per 10 000 person-months; IRR, 20.7 [95% CI, 18.5-23.1]) and delayed periods (5.4 [95% CI, 4.9-6.0] events per 10 000 person-months; IRR, 4.2 [95% CI, 3.7-4.8]) vs the late postoperative period (1.3 events per 10 000 person-months). Staphylococcus aureus was the most common organism isolated overall (489 [33.2%]); however, gram-negative infections were isolated in 15.4% (86) of early PJIs. In multivariable analyses, hepatitis C virus infection, peripheral artery disease, and autoimmune inflammatory arthritis were associated with PJI across all postoperative periods. Diabetes, chronic kidney disease, and obesity (body mass index of ≥30) were not associated factors. Other period-specific factors were identified. Conclusions and Relevance This cohort study found that incidence rates of PJIs were higher in the early and delayed vs late post-TKA period; there were differences in microbiological cultures and factors associated with each postoperative period. These findings have implications for postoperative antibiotic use, stratification of PJI risk according to postoperative time, and PJI risk factor modification.
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Affiliation(s)
- Erica J Weinstein
- Division of Infectious Diseases, Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia
- Center for Real-World Effectiveness and Safety of Therapeutics, Center for Clinical Epidemiology and Biostatistics, Department of Biostatistics, Epidemiology, and Informatics, Perelman School of Medicine, University of Pennsylvania, Philadelphia
| | - Alisa J Stephens-Shields
- Center for Real-World Effectiveness and Safety of Therapeutics, Center for Clinical Epidemiology and Biostatistics, Department of Biostatistics, Epidemiology, and Informatics, Perelman School of Medicine, University of Pennsylvania, Philadelphia
| | - Craig W Newcomb
- Center for Real-World Effectiveness and Safety of Therapeutics, Center for Clinical Epidemiology and Biostatistics, Department of Biostatistics, Epidemiology, and Informatics, Perelman School of Medicine, University of Pennsylvania, Philadelphia
| | - Randi Silibovsky
- Division of Infectious Diseases, Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia
| | - Charles L Nelson
- Department of Orthopedic Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia
| | - Judith A O'Donnell
- Division of Infectious Diseases, Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia
| | - Laurel J Glaser
- Department of Pathology, Perelman School of Medicine, University of Pennsylvania, Philadelphia
| | - Evelyn Hsieh
- Veterans Affairs (VA) Connecticut Health System, West Haven
- Section of Rheumatology, Allergy and Immunology, Department of Medicine, Yale University School of Medicine, New Haven, Connecticut
| | - Jennifer S Hanberg
- Veterans Affairs (VA) Connecticut Health System, West Haven
- Department of Medicine, Massachusetts General Hospital, Boston
| | - Janet P Tate
- Veterans Affairs (VA) Connecticut Health System, West Haven
- Department of Medicine, Yale University School of Medicine, New Haven, Connecticut
| | - Kathleen M Akgün
- Section of Pulmonary, Critical Care, and Sleep Medicine, VA Connecticut Health System, West Haven
- Section of Pulmonary, Critical Care, and Sleep Medicine, Yale University School of Medicine, New Haven, Connecticut
| | - Joseph T King
- Veterans Affairs (VA) Connecticut Health System, West Haven
- Department of Neurosurgery, Yale University School of Medicine, New Haven, Connecticut
| | - Vincent Lo Re
- Division of Infectious Diseases, Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia
- Center for Real-World Effectiveness and Safety of Therapeutics, Center for Clinical Epidemiology and Biostatistics, Department of Biostatistics, Epidemiology, and Informatics, Perelman School of Medicine, University of Pennsylvania, Philadelphia
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10
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Blankstein M, Browne JA, Sonn KA, Ashkenazi I, Schwarzkopf R. Go Big or Go Home: Obesity and Total Joint Arthroplasty. J Arthroplasty 2023; 38:1928-1937. [PMID: 37451512 DOI: 10.1016/j.arth.2023.07.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/03/2022] [Revised: 06/17/2023] [Accepted: 07/05/2023] [Indexed: 07/18/2023] Open
Abstract
Obesity is highly prevalent, and it is expected to grow considerably in the United States. The association between obesity and an increased risk of complications following total joint arthroplasty (TJA) is widely accepted. Many believe that patients with body mass index (BMI) >40 have complications rates that may outweigh the benefits of surgery and should consider delaying it. However, the current literature on obesity and outcomes following TJA is observational, very heterogeneous, and full of confounding variables. BMI in isolation has several flaws and recent literature suggests shifting from an exclusively BMI <40 cutoff to considering 5 to 10% preoperative weight loss. BMI cutoffs to TJA may also restrict access to care to our most vulnerable, marginalized populations. Moreover, only roughly 20% of patients instructed to lose weight for surgery are successful and the practice of demanding mandatory weight loss needs to be reconsidered until convincing evidence exists that supports risk reduction as a result of preoperative weight loss. Obese patients can benefit greatly from this life-changing procedure. When addressing the potential difficulties and by optimizing preoperative assessment and intraoperative management, the surgery can be conducted safely. A multidisciplinary patient-centered approach with patient engagement, shared decision-making, and informed consent is recommended.
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Affiliation(s)
- Michael Blankstein
- Department of Orthopaedics and Rehabilitation, University of Vermont, Burlington, VT, USA
| | - James A Browne
- Department of Orthopedic Surgery, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Kevin A Sonn
- Department of Orthopaedic Surgery, University of Virginia, Charlottesville, VA, USA
| | - Itay Ashkenazi
- Department of Orthopaedic Surgery, NYU Langone Health, New York, New York, USA
| | - Ran Schwarzkopf
- Department of Orthopaedic Surgery, NYU Langone Health, New York, New York, USA
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11
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Duan X, Zhao Y, Zhang J, Kong N, Cao R, Guan H, Li Y, Wang K, Yang P, Tian R. Prediction of early functional outcomes in patients after robotic-assisted total knee arthroplasty: a nomogram prediction model. Int J Surg 2023; 109:3107-3116. [PMID: 37352526 PMCID: PMC10583907 DOI: 10.1097/js9.0000000000000563] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Accepted: 06/11/2023] [Indexed: 06/25/2023]
Abstract
BACKGROUND Robotic-assisted total knee arthroplasty (RA-TKA) is becoming more and more popular as a treatment option for advanced knee diseases due to its potential to reduce operator-induced errors. However, the development of accurate prediction models for postoperative outcomes is challenging. This study aimed to develop a nomogram model to predict the likelihood of achieving a beneficial functional outcome. The beneficial outcome is defined as a postoperative improvement of the functional Knee Society Score (fKSS) of more than 10 points, 3 months after RA-TKA by early collection and analysis of possible predictors. METHODS This is a retrospective study on 171 patients who underwent unilateral RA-TKA at our hospital. The collected data included demographic information, preoperative imaging data, surgical data, and preoperative and postoperative scale scores. Participants were randomly divided into a training set ( N =120) and a test set ( N =51). Univariate and multivariate logistic regression analyses were employed to screen for relevant factors. Variance inflation factor was used to investigate for variable collinearity. The accuracy and stability of the models were evaluated using calibration curves with the Hosmer-Lemeshow goodness-of-fit test, consistency index and receiver operating characteristic curves. RESULTS Predictors of the nomogram included preoperative hip-knee-ankle angle deviation, preoperative 10-cm Visual Analogue Scale score, preoperative fKSS score and preoperative range of motion. Collinearity analysis with demonstrated no collinearity among the variables. The consistency index values for the training and test sets were 0.908 and 0.902, respectively. Finally, the area under the receiver operating characteristic curve was 0.908 (95% CI 0.846-0.971) in the training set and 0.902 (95% CI 0.806-0.998) in the test set. CONCLUSION A nomogram model was designed hereby aiming to predict the functional outcome 3 months after RA-TKA in patients. Rigorous validation showed that the model is robust and reliable. The identified key predictors include preoperative hip-knee-ankle angle deviation, preoperative visual analogue scale score, preoperative fKSS score, and preoperative range of motion. These findings have major implications for improving therapeutic interventions and informing clinical decision-making in patients undergoing RA-TKA.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Pei Yang
- Department of Bone and Joint Surgery, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Run Tian
- Department of Bone and Joint Surgery, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
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12
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Pavlovic N, Harris IA, Boland R, Brady B, Genel F, Naylor J. The effect of body mass index and preoperative weight loss in people with obesity on postoperative outcomes to 6 months following total hip or knee arthroplasty: a retrospective study. ARTHROPLASTY 2023; 5:48. [PMID: 37777817 PMCID: PMC10544191 DOI: 10.1186/s42836-023-00203-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2023] [Accepted: 07/25/2023] [Indexed: 10/02/2023] Open
Abstract
BACKGROUND Few studies have investigated the association between obesity, preoperative weight loss and postoperative outcomes beyond 30- and 90-days post-arthroplasty. This study investigated whether body mass index (BMI) and preoperative weight loss in people with obesity predict postoperative complications and patient-reported outcomes 6 months following total knee or hip arthroplasty. METHODS Two independent, prospectively collected datasets of people undergoing primary total knee or hip arthroplasty for osteoarthritis between January 2013 and June 2018 at two public hospitals were merged. First, the sample was grouped into BMI categories, < 35 kg/m2 and ≥ 35 kg/m2. Subgroup analysis was completed separately for hips and knees. Second, a sample of people with BMI ≥ 30 kg/m2 was stratified into participants who did or did not lose ≥ 5% of their baseline weight preoperatively. The presence of postoperative complications, Oxford Hip Score, Oxford Knee Score, EuroQol Visual Analogue Scale and patient-rated improvement 6 months post-surgery were compared using unadjusted and adjusted techniques. RESULTS From 3,552 and 9,562 patients identified from the datasets, 1,337 were included in the analysis after merging. After adjustment for covariates, there was no difference in postoperative complication rate to 6 months post-surgery according to BMI category (OR 1.0, 95%CI 0.8-1.4, P = 0.8) or preoperative weight loss (OR 1.1, 95%CI 0.7-1.8, P = 0.7). There was no between-group difference according to BMI or preoperative weight change for any patient-reported outcomes 6 months post-surgery. CONCLUSION Preoperative BMI or a 5% reduction in preoperative BMI in people with obesity was not associated with postoperative outcomes to 6 months following total knee or hip arthroplasty.
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Affiliation(s)
- Natalie Pavlovic
- South Western Sydney Clinical School, Faculty of Medicine and Health, University of New South Wales, Sydney, NSW, 2170, Australia.
- Fairfield Hospital, South Western Sydney Local Health District, Sydney, NSW, 2176, Australia.
| | - Ian A Harris
- South Western Sydney Clinical School, Faculty of Medicine and Health, University of New South Wales, Sydney, NSW, 2170, Australia
- Whitlam Orthopaedic Research Centre, Ingham Institute for Applied Medical Research, Sydney, NSW, 2170, Australia
- School of Clinical Medicine, UNSW Medicine and Health, University of New South Wales, Sydney, NSW, 2052, Australia
| | - Robert Boland
- Fairfield Hospital, South Western Sydney Local Health District, Sydney, NSW, 2176, Australia
- Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, 2006, Australia
| | - Bernadette Brady
- Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, 2006, Australia
- Liverpool Hospital, South Western Sydney Local Health District, Sydney, NSW, 2170, Australia
- School of Health Sciences, Western Sydney University, Sydney, NSW, 2560, Australia
| | - Furkan Genel
- Whitlam Orthopaedic Research Centre, Ingham Institute for Applied Medical Research, Sydney, NSW, 2170, Australia
- Faculty of Medicine and Health, St George and Sutherland Clinical School, University of New South Wales, Sydney, NSW, 2217, Australia
| | - Justine Naylor
- South Western Sydney Clinical School, Faculty of Medicine and Health, University of New South Wales, Sydney, NSW, 2170, Australia
- Whitlam Orthopaedic Research Centre, Ingham Institute for Applied Medical Research, Sydney, NSW, 2170, Australia
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13
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Kotzur T, Singh A, Vivancos Koopman I, Armstrong C, Brady N, Moore C. The Impact of Metabolic Syndrome and Obesity on Perioperative Total Joint Arthroplasty Outcomes: The Obesity Paradox and Risk Assessment in Total Joint Arthroplasty. Arthroplast Today 2023; 21:101139. [PMID: 37151404 PMCID: PMC10160687 DOI: 10.1016/j.artd.2023.101139] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Accepted: 03/18/2023] [Indexed: 05/09/2023] Open
Abstract
Background The relationship between elevated body mass index (BMI) and adverse outcomes in joint arthroplasty is well established in the literature. This paper aims to challenge the conventional thought of excluding patients from a total knee or hip replacement based on BMI alone. Instead, we propose using the metabolic syndrome (MetS) and its defining components to better identify patients at high risk for intraoperative and postoperative complications. Methods Patients who underwent primary, elective total knee and total hip arthroplasty were identified in the 2015-2020 American College of Surgeons National Surgical Quality Improvement Program database. Several defining components of MetS, such as hypertension, diabetes, and obesity, were compared to a metabolically healthy cohort. Postoperative outcomes assessed included mortality, length of hospital stay, 30-day surgical and medical complications, and discharge. Results The outcomes of 529,737 patients from the American College of Surgeons National Surgical Quality Improvement Program who underwent total knee and total hip arthroplasty were assessed. MetS is associated with increased complications and increased mortality. Both hypertension and diabetes are associated with increased complications but have no impact on mortality. Interestingly, while obesity was associated with increased complications, there was a significant decrease in mortality. Conclusions Our results show that the impact of MetS is more than the sum of its constitutive parts. Additionally, obese patients experience a protective effect, with lower mortality than their nonobese counterparts. This study supports moving away from strict BMI cutoffs alone for someone to be eligible for an arthroplasty surgery and offers more granular data for risk stratification and patient selection.
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Affiliation(s)
- Travis Kotzur
- Department of Orthopaedics, UT Health San Antonio, San Antonio, TX, USA
- Corresponding author. Department of Orthopaedics, UT Health San Antonio, 7703 Floyd Curl Dr, MC-7774, San Antonio, TX 78229-3900, USA. Tel.: +1 210 878 8558.
| | - Aaron Singh
- Department of Orthopaedics, UT Health San Antonio, San Antonio, TX, USA
| | | | - Connor Armstrong
- Department of Orthopaedics, UT Health San Antonio, San Antonio, TX, USA
| | - Nicholas Brady
- University of New Mexico Orthopedics Department, Albuquerque, NM, USA
| | - Chance Moore
- Department of Orthopaedics, UT Health San Antonio, San Antonio, TX, USA
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14
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Godziuk K, Reeson EA, Harris AHS, Giori NJ. "I Often Feel Conflicted in Denying Surgery": Perspectives of Orthopaedic Surgeons on Body Mass Index Thresholds for Total Joint Arthroplasty: A Qualitative Study. J Bone Joint Surg Am 2023:00004623-990000000-00782. [PMID: 37071729 DOI: 10.2106/jbjs.22.01312] [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] [Indexed: 04/20/2023]
Abstract
BACKGROUND Use of a patient body mass index (BMI) eligibility threshold for total joint arthroplasty (TJA) is controversial. A strict BMI criterion may reduce surgical complication rates, but over-restrict access to effective osteoarthritis (OA) treatment. Factors that influence orthopaedic surgeons' use of BMI thresholds are unknown. We aimed to identify and explore orthopaedic surgeons' perspectives regarding patient BMI eligibility thresholds for TJA. METHODS A cross-sectional, online qualitative survey was distributed to orthopaedic surgeons who conduct hip and/or knee TJA in the United States. Survey questions were open-ended, and responses were collected anonymously. Survey data were coded and analyzed in an iterative, systematic process to identify predominant themes. RESULTS Forty-five surveys were completed. Respondents were 54.3 ± 12.4 years old (range, 34 to 75 years), practiced in 22 states, and had 21.2 ± 13.3 years (range, 2 to 44 years) of surgical experience. Twelve factors influencing BMI threshold use by orthopaedic surgeons were identified: (1) evidence interpretation, (2) personal experiences, (3) difficulty of surgery, (4) professional ramifications, (5) ethics and biases, (6) health-system policies and performance metrics, (7) surgical capacity and resources, (8) patient body fat distribution, (9) patient self-advocacy, (10) control of decision-making in the clinical encounter, (11) expectations for demonstrated weight loss, and (12) research and innovation gaps. CONCLUSIONS Multilevel, complex factors underlie BMI threshold use for TJA eligibility. Addressing identified factors at the patient, surgeon, and health-system levels should be considered to optimally balance complication avoidance with improving access to life-enhancing surgery. CLINICAL RELEVANCE This study may influence how orthopaedic surgeons think about their own practices and how they approach patients and consider surgical eligibility.
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Affiliation(s)
- Kristine Godziuk
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, Alberta, Canada
- Department of Orthopedic Surgery, School of Medicine, Stanford University, Stanford, California
| | | | - Alex H S Harris
- Department of Surgery, School of Medicine, Stanford University, Stanford, California
- Center for Innovation to Implementation, VA Palo Alto Health Care System, Palo Alto, California
| | - Nicholas J Giori
- Department of Orthopedic Surgery, School of Medicine, Stanford University, Stanford, California
- VA Palo Alto Health Care System, Palo Alto, California
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15
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Temporal trends in the rate of complications and prolonged length of stay relative to body mass index in patients undergoing total knee arthroplasty from 2012 to 2020. Knee 2023; 41:266-273. [PMID: 36773372 DOI: 10.1016/j.knee.2023.01.018] [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: 09/05/2022] [Revised: 12/13/2022] [Accepted: 01/26/2023] [Indexed: 02/13/2023]
Abstract
BACKGROUND Elevated body mass index (BMI) is a risk factor for complications following total knee arthroplasty (TKA). Thus, we believe it is important to constantly re-evaluate the relationship between BMI and complication risk following TKA. METHOD Patients undergoing primary TKA were identified in a national database from 2012-2020. Rates of major complications, minor complications, and length of stay (LOS) greater than 2 days were calculated. The prevalence of postoperative outcomes were calculated per unit of BMI and then multiplied by a factor of 10^2 or 10^3 in order to create adjusted-BMI (aBMI). To isolate the effect of aBMI on postoperative outcomes, changes over time were analyzed using linear regression analysis controlling for age, sex, American Society of Anesthesiology (ASA) classification and smoking status. RESULTS 365,333 patients were included. Mean BMI 33 ± 6.8. 10,616 (2.9%) of patients had a major postoperative complication, 9,345 (2.6%) minor complications, 3,277 (0.9%) had a deep or superficial surgical site infection (SSI). 133,563 (37%) of patients had LOS > 2 days. From 2012-2020, the ratio of major complications to aBMI decreased significantly by an average of -2.7% per year. The ratio of patients with LOS > 2 days to aBMI decreased significantly by -27% per year. The ratio of SSI to aBMI increased significantly by 10.8% per year. CONCLUSIONS From 2012 to 2020, the ratio of major complications and extended LOS following TKA as a function of BMI has decreased significantly, while the ratio of SSI as a function of BMI has doubled.
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16
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Shichman I, Oakley CT, Konopka JA, Ashkenazi I, Rozell J, Schwarzkopf R. The Association of Metabolic Syndrome on Complications and Implant Survivorship in Primary Total Knee Arthroplasty in Morbidly Obese Patients. J Arthroplasty 2022; 38:1037-1044. [PMID: 36572234 DOI: 10.1016/j.arth.2022.12.039] [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: 08/07/2022] [Revised: 12/15/2022] [Accepted: 12/20/2022] [Indexed: 12/25/2022] Open
Abstract
BACKGROUND Metabolic syndrome (MetS) includes interrelated conditions such as insulin resistance, abdominal obesity, hypertension, and dyslipidemia. This study sought to determine the association of MetS in morbidly obese patients (body mass index >40) on complications and clinical outcomes after primary total knee arthroplasty (TKA). METHODS A retrospective review was performed to include all morbidly obese patients who underwent primary elective TKA for osteoarthritis at a single academic institution. Patients who did and did not have MetS were propensity-matched 1:1 based on baseline characteristics. A total of 391 patients who did and 935 who did not have MetS were included having a mean body mass index of 44.2 (range, 40.0 to 68.9). RESULTS The MetS patients had longer lengths of stay (LOS) (3.5 ± 2.4 versus 3.0 ± 1.5 days, P = .001) and were more likely to be discharged to skilled nursing facilities (23.8 versus 15.3%, P = .007). At 90 days postoperatively, major (P = .756) and minor (P = .652) complication rates and readmissions (P = .359) were similar. Revision rates as well as improvements in KOOS-JR, and VR-12 mental and physical component scores from preoperative to 1 year (P = .856, P = .524, and P = .727, respectively) postoperatively did not significantly differ between groups. MetS and non-MetS patients had similar 5-year freedom from all-cause revision (90.2 versus 94.2%, P = .791). CONCLUSION Morbidly obese patients who have MetS had longer LOS and higher discharges to skilled nursing facilities. The 90-day complications, readmissions, revision rates, and patient-reported outcomes were similar, suggesting that resource allocation should be focused on perioperative protocols that can help optimize LOS and discharge dispositions in morbidly obese MetS patients undergoing TKA. LEVEL OF EVIDENCE III.
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Affiliation(s)
- Ittai Shichman
- Department of Orthopedic Surgery, NYU Langone Health, New York, New York; Division of Orthopedic Surgery, Sourasky Medical Center, Sackler School of Medicine, Tel-Aviv University, Tel-Aviv, Israel
| | - Christian T Oakley
- Department of Orthopedic Surgery, NYU Langone Health, New York, New York
| | - Jaclyn A Konopka
- Department of Orthopedic Surgery, NYU Langone Health, New York, New York
| | - Itay Ashkenazi
- Department of Orthopedic Surgery, NYU Langone Health, New York, New York; Division of Orthopedic Surgery, Sourasky Medical Center, Sackler School of Medicine, Tel-Aviv University, Tel-Aviv, Israel
| | - Joshua Rozell
- Department of Orthopedic Surgery, NYU Langone Health, New York, New York
| | - Ran Schwarzkopf
- Department of Orthopedic Surgery, NYU Langone Health, New York, New York
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17
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Goh GS, Wells Z, Ong CB, Small I, Ciesielka KA, Fillingham YA. Does Body Mass Index Influence the Outcomes and Survivorship of Modern Cementless Total Knee Arthroplasty? J Arthroplasty 2022; 37:2171-2177. [PMID: 35644461 DOI: 10.1016/j.arth.2022.05.041] [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: 03/22/2022] [Revised: 05/20/2022] [Accepted: 05/22/2022] [Indexed: 02/02/2023] Open
Abstract
BACKGROUND Higher body mass index (BMI) has been associated with higher rates of aseptic loosening following cemented total knee arthroplasty (TKA). However, there is a paucity of evidence on the effect of BMI on the durability of modern cementless TKA. We aimed to assess the association between BMI and clinical outcomes following cementless TKA and to determine if there was a BMI threshold beyond which the risk of revision significantly increased. METHODS We identified 1,408 cementless TKAs of a modern design from an institutional registry. Patients were classified into BMI categories: normal (n = 136), overweight (n = 476), obese class I (n = 423), II (n = 258), and III (n = 115). The Knee Injury and Osteoarthritis Outcome Score for Joint Replacement and 12-item Short Form Health Survey scores were collected preoperatively and 2 years postoperatively. Survivorship was recorded at minimum 2 years (range, 24 to 88 months). BMI was analyzed as a continuous and categorical variable. RESULTS The improvement in patient-reported outcomes was similar across the groups. Thirty four knees (2.4%) were revised and 14 (1.0%) were for aseptic failure. Mean time-to-revision was 1.2 ± 1.3 years and did not differ across BMI categories (P = .455). Survivorship free from all-cause and aseptic revision was 97.1% and 99.0% at mean 4 years, respectively. Using Cox regression to control for demographics and bilateral procedures, BMI had no association with all-cause revision (P = .612) or aseptic revision (P = .186). Receiver operating characteristic curve analysis found no relationship between BMI and revision risk (c-statistic = 0.51). CONCLUSION BMI did not influence functional outcomes and survivorship of modern cementless TKA, possibly due to improved biological fixation at the bone-implant interface. Longer follow-up is necessary to confirm these findings.
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Affiliation(s)
- Graham S Goh
- Rothman Orthopaedic Institute at Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Zachary Wells
- Rothman Orthopaedic Institute at Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Christian B Ong
- Rothman Orthopaedic Institute at Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Ilan Small
- Rothman Orthopaedic Institute at Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Kerri-Anne Ciesielka
- Rothman Orthopaedic Institute at Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Yale A Fillingham
- Rothman Orthopaedic Institute at Thomas Jefferson University, Philadelphia, Pennsylvania
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