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Association Between Increased Overweight at First Year After Kidney Transplantation and Long-Term Kidney Graft Outcome

H. Choi1, K. Huh2, K. B. Seok3

1Yonsei University College of Medicine, Seoul, Korea, Republic of, 2Department of Surgery, Yonsei University College of Medicine, Seoul, Korea, Republic of, 3Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea, Republic of

Meeting: 2022 American Transplant Congress

Abstract number: 803

Keywords: Graft failure, Kidney, Kidney transplantation, Obesity

Topic: Clinical Science » Kidney » 39 - Kidney Living Donor: Long Term Outcomes

Session Information

Session Name: Kidney Living Donor: Long Term Outcomes

Session Type: Poster Abstract

Date: Saturday, June 4, 2022

Session Time: 5:30pm-7:00pm

 Presentation Time: 5:30pm-7:00pm

Location: Hynes Halls C & D

*Purpose: The obesity is increasing in chronic kidney disease patients and associated with poor renal outcome. The role of inflammation within the adipose tissue in obesity as a key factor in the pathogenesis of obesity-related complications. Such nonimmunological injuries as well as immunological injuries further accelerate worsen graft outcome in transplant recipients. The present study examined whether the high increased weight gain levels of post-transplantation at the first year is an important risk factor for long-term graft survival of kidney transplantation (KT) patients.

*Methods: We included 2699 adult recipients who underwent KT in single center with more than one-year follow-up period. Covariates in cox-regression model included dialysis duration before KT, recipient age and sex, related status, acute rejection status, diabetes, and weight gain at 1 year after KT. Participants were divided into two groups according to their weight gain tatus.

*Results: Graft survival rate estimated by Kaplan-Meier estimator was significantly lower in the participants who had eGFR more than 5kg weight gain in kidney recipient (log-rank test p<.001). The multivariable Cox regression adjusting covariates including recipient age and sex, related status, acute rejection status and diabetes status showed that the increased weight gain group has the significant association with higher graft failure (HR=1.278, p=0.027).

*Conclusions: Our data support that the increased weight gain at 1 year after KT is associated with poor outcome for long-term kidney graft survival in KT recipients.

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To cite this abstract in AMA style:

Choi H, Huh K, Seok KB. Association Between Increased Overweight at First Year After Kidney Transplantation and Long-Term Kidney Graft Outcome [abstract]. Am J Transplant. 2022; 22 (suppl 3). https://atcmeetingabstracts.com/abstract/association-between-increased-overweight-at-first-year-after-kidney-transplantation-and-long-term-kidney-graft-outcome/. Accessed May 30, 2025.

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