Kidney transplant outcomes among recipients with post‐transplant hip or knee joint replacement surgery

Patients with end-stage renal disease (ESRD) are at a higher risk of needing hip or knee replacement (joint replacement) surgery due to the high prevalence of degenerative joint disease and other conditions. However, there remains a large debate about the timing of joint replacement surgery and whether it should be pre- vs post-transplant. We conducted a retrospective study analyzing all adult kidney transplant recipients (KTRs) at our university hospital who had undergone subsequent joint replacement between 2001 and 2017. Transplant-specific outcomes of acute rejection, death censored graft failure (DCGF), and patient death post-joint replacement surgery were outcomes of interest. Controls were selected at a 1:3 ratio based on the incidence density sampling of post-transplant interval. There were 101 KTRs in the joint replacement group and were compared with 281 controls. In the multivariate analysis, the need for joint replacement was not associated with acute rejection (HR: 1.59; 95% CI: 0.77-3.29; p = 0.21); DCGF (HR: 0.89; 95% CI: 0.49-1.60; p = 0.70) or patient death (HR: 0.84, 95% CI: 0.55-1.38, p = 0.42). In selected KTRs, joint replacement surgery was not associated with detrimental transplant-specific outcomes.

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