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Post-transplant complications, patient, and graft survival in pediatric and adolescent kidney transplant recipients at a tropical tertiary care center across two immunosuppression eras

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PEDIATRIC TRANSPLANTATION
卷 25, 期 6, 页码 -

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WILEY
DOI: 10.1111/petr.13973

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adolescent; graft survival; India; kidney transplantation; pediatric; survival rate

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PAKT in India shows excellent long-term graft outcomes, but patient outcomes are still suboptimal due to a high burden of infections. Current immunosuppression protocols need to be re-examined to balance infection risk, graft, and patient survival.
Background: We report pediatric PAKT patient and graft outcomes at a large tropical tertiary center spanning two transplant eras. Methods: In this retrospective cohort study, all children <= 18 years who underwent kidney transplantation at our center between 1991 and 2016 were included. Data pertaining to their baseline characteristics, post-transplant events, and outcome were retrieved from transplant records and compared between transplant eras (1991-2005 and 2006-2016). Results: A total of 139 children (mean age 15.2 +/- 2.9 years) underwent PAKT during this period. The incidence of UTIs, CMV disease, BKVN, invasive fungal infections, new-onset diabetes after transplant, leucopenia, and recurrent NKD was higher in the 2006-2016 era (P < .001 for all), while 1-year cumulative BPAR was comparable (P = .100). Five-year graft and patient survival in the two eras were 89.9% and 94.2% (P = .365) and 92.1% and 95.3% (P = .739), respectively. Incidence of CMV disease, BKVN, graft loss, and death was lower in the calcineurin withdrawal group. Non-adherence accounted for 36% of graft loss; infections caused 43.7% of deaths. On multivariate Cox proportional hazards analysis, independent predictors for graft loss were UTIs and blood transfusion naive status and for death were serious infections and glomerular NKD. Conclusions: PAKT in India has excellent long-term graft outcomes, though patient outcomes remain suboptimal owing to a high burden of infections. Current immunosuppression protocols need to be re-examined to balance infection risk, graft, and patient survival.

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