Christine J Wu1, Adam C Brekke2, Zoe W Hinton3, Billy I Kim4, Sean P Ryan3, Michael P Bolognesi3, Thorsten M Seyler3. 1. Department of Orthopaedic Surgery, Duke University, DUMC Box 104002, Durham, NC, 27710, USA. christine.j.wu@duke.edu. 2. Texas Hip and Knee Center, 5450 Clearfork Main Street Ste 100, Fort Worth, TX, 76107, USA. 3. Department of Orthopaedic Surgery, Duke University, DUMC Box 104002, Durham, NC, 27710, USA. 4. School of Medicine, Duke University, DUMC 3710, Durham, NC, 27710, USA.
Abstract
PURPOSE: Survival after solid organ transplant (SOT) is improving, and demand for total joint arthroplasty (TJA) among SOT recipients is rising. Outcomes including revision, periprosthetic joint infection, and survivorship based on SOT type are variable. We sought to compare peri-operative complications, implant survivorship, and mortality for patients undergoing TJA following SOT. METHODS: A retrospective review of the institutional database for primary TJA among SOT recipients from 2000 to 2020 was performed. Revisions, conversion TJA, and patients with multiple organ transplants were excluded. Patients were stratified by transplant organ. Transfusions, 90-day readmissions and emergency department (ED) visits, revisions, and mortality were compared using descriptive statistics and Cox proportional hazard ratios. RESULTS: A total of 119 total hip arthroplasties (THA) and 63 total knee arthroplasties (TKA) in SOT recipients were studied. Most common SOT was renal (39%), then lung (27%), liver (24%), and heart (10%). TKA postoperative transfusion rates varied by organ (p = 0.037; [heart 0%, liver 9.5%, renal 24.0%, lung 50.0%]). Implant survivorship was 95.6% at one year (95% CI 90.3-98.1) and 92.1% at four years (83.9-96.3). Mortality was 2.9% at one year (95% CI 1.1-7.4) and 23.2% at four years (95% CI 16.1-32.3). After adjusting for procedure, duration from transplant to TJA, age, and Elixhauser Index, lung recipients had higher mortality versus heart (RR 4.39 [95% CI 1.64-15.38]; p = 0.002), kidney (7.98 [3.04-24.61]; p < 0.001), and liver (7.98 [3.04-24.61; p < 0.001) patients. CONCLUSION: TJA after SOT yields acceptable peri-operative outcomes and implant survivorship, but mortality risk is substantial, especially among lung transplant recipients.
PURPOSE: Survival after solid organ transplant (SOT) is improving, and demand for total joint arthroplasty (TJA) among SOT recipients is rising. Outcomes including revision, periprosthetic joint infection, and survivorship based on SOT type are variable. We sought to compare peri-operative complications, implant survivorship, and mortality for patients undergoing TJA following SOT. METHODS: A retrospective review of the institutional database for primary TJA among SOT recipients from 2000 to 2020 was performed. Revisions, conversion TJA, and patients with multiple organ transplants were excluded. Patients were stratified by transplant organ. Transfusions, 90-day readmissions and emergency department (ED) visits, revisions, and mortality were compared using descriptive statistics and Cox proportional hazard ratios. RESULTS: A total of 119 total hip arthroplasties (THA) and 63 total knee arthroplasties (TKA) in SOT recipients were studied. Most common SOT was renal (39%), then lung (27%), liver (24%), and heart (10%). TKA postoperative transfusion rates varied by organ (p = 0.037; [heart 0%, liver 9.5%, renal 24.0%, lung 50.0%]). Implant survivorship was 95.6% at one year (95% CI 90.3-98.1) and 92.1% at four years (83.9-96.3). Mortality was 2.9% at one year (95% CI 1.1-7.4) and 23.2% at four years (95% CI 16.1-32.3). After adjusting for procedure, duration from transplant to TJA, age, and Elixhauser Index, lung recipients had higher mortality versus heart (RR 4.39 [95% CI 1.64-15.38]; p = 0.002), kidney (7.98 [3.04-24.61]; p < 0.001), and liver (7.98 [3.04-24.61; p < 0.001) patients. CONCLUSION: TJA after SOT yields acceptable peri-operative outcomes and implant survivorship, but mortality risk is substantial, especially among lung transplant recipients.
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