Journal
FRONTIERS IN ENDOCRINOLOGY
Volume 14, Issue -, Pages -Publisher
FRONTIERS MEDIA SA
DOI: 10.3389/fendo.2023.1106087
Keywords
obesity; kidney transplant; body mass index; bariatric surgery; equity
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There is controversy regarding the suitability of high BMI candidates accessing the transplant waitlist. This study found that obesity did not impact patient survival but affected graft function and loss.
BackgroundThere is controversy regarding the suitability of high body mass index (BMI) candidates accessing the transplant waitlist. Patients and methodsObservational study on consecutive kidney transplant recipients undergoing surgery between January 2014 and March 2016 at our center. Patients were stratified according to BMI. Survival outcomes and graft function were analyzed to investigate the effect of donor's and recipient's demographic characteristics. Results396 kidney transplant recipients: 260 males, mean age 51.8 +/- 15.9 years, followed up for a mean time of 5.86 +/- 2.29 years. Mean BMI 26.2 +/- 5.1. BMI class 1 (20 <= BMI <= 24.9) n=133, class 2 (25 <= BMI <= 29.9) n= 155, class 3 (30 <= BMI <= 34.9) n=53, class 4 (BMI >= 35) n=21, class V (BMI <= 19.9) n=34. Patient survival was not significantly different according to the recipient's BMI class (p=0.476); graft survival was affected (p=0.031), as well as graft function up to 2 years post-transplant and at 4 years follow up (p=0.016). At logistic regression the factors independently associated with graft loss were only donor's age (p=0.05) and BMI class of the recipient (p=0.002). ConclusionsObesity did not impact on patient's survival but affected graft function and graft loss.
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