Outcomes in Obese Kidney Transplant Recipients
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2014-12-01
Autores
Gusukuma, L. W. 
Harada, K. M.
Baptista, A. P. M.
Alencar, M. R. P.
Sandes-Freitas, T. V. de
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Background. Kidney transplantation (KT) in obese patients is controversial. the present study aimed to evaluate patient and graft survival and post-transplantation complications between obese and nonobese recipients.Methods. Patients (n = 3,054) receiving a KT from 1998 to 2008 were divided according to body mass index (BMI) into 3 groups for analysis: group I: BMI <30 kg/m(2) (nonobese); group II: >= 30-34.9 kg/m(2) (class I obese); and group III: >= 35 kg/m(2) (class II and III obese).Results. Mean BMIs were: group I (n = 2,822): 22.6 +/- 3.3 kg/m(2); group II (n = 185): 31.9 +/- 1.3 kg/m(2); and group III (n = 47): 36.8 +/- 1.7 kg/m(2). There were no differences among the 3 groups in patient demographic variables regarding race, sex, or organ source. One-year (I, 98%; II, 98%; III, 95%) and 5-year (I, 90%; II, 92%; III, 89%) patient survival rates were similar among groups. Graft survival rates at 1 year were 96% for groups I and II and 91.5% for group III. Five-year graft survivals were: I, 81%; II, 96%; and III, 79%. the most common cause of graft loss was death, and the main cause of death was infection in all groups. Obese patients were more likely to experience wound dehiscence (I, 1.9%; II, 7.6%; III, 19.1%; P < .001), develop new-onset diabetes after transplantation (NODAT; I, 16.2%; II, 27%; III, 36%; P < .001), and have a prolonged length of hospital stay (I, 11.3 +/- 11.4 d; II, 14.5 +/- 14.3 d; III, 15.9 +/- 16.7 d; P < .001).Conclusions. Obese recipients demonstrated outcomes similar to nonobese patients regarding patient and graft survival. However, they had higher rates of prolonged length of hospital stay, wound dehiscence, and NODAT.
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Transplantation Proceedings. New York: Elsevier B.V., v. 46, n. 10, p. 3416-3419, 2014.