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Year : 2012  |  Volume : 22  |  Issue : 4  |  Page : 264-268

Causes of death in renal transplant recipients with functioning allograft

Department of Nephrology, Institute of Medical Sciences, Banaras Hindu University, Varanasi, India

Correspondence Address:
B Ghosh
Department of Nephrology, Institute of Medical Sciences, Banaras Hindu University, Varanasi-221005
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0971-4065.101245

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The survival of transplant recipients is significantly lower than age-matched controls in the general population. The aim of this study was to analyze the trends in mortality of renal allograft recipients at our centre. We retrospectively analyzed data from all patients who were transplanted between October 1988 and June 2010 and were followed at our center. Patients were considered to have death with graft function (DWGF) if death was not preceded by return to dialysis or re-transplantation. The study included 98 renal allograft recipients (male : female - 7.99 : 1). The mean recipient and donor ages were 35.06 ± 11.84 (range: 15-69) and 41.17 ± 10.44 (range: 22-60) years, respectively. Basic kidney diseases were CGN (chronic glomerulonephritis) (60.20%), CIN (chronic interstitial nephritis) (15.31%), DN (diabetic nephropathy) (8.16%), ADPKD (autosomal dominant polycystic kidney disease) (2.04%) and others (14.29%). They were followed up for a mean 79.91 ± 60.05 patient-months. Mortality occurred in 25 (25.51%) patients (male : female - 4 : 1). Causes of death were sepsis/infection (36%), coronary artery disease (28%), CVA (8%), failed graft (4%), and rest unknown (24%). DWGF was 88% of total death and contributed to 78.57% of total graft loss. Overall patient survival at 1, 5, 10, and 15 years were 90.8%, 80.2%, 65.6%, and 59.1%, respectively (Kaplan-Meier analysis). Those who died exhibited significant differences in recipient's age (median 40 years vs 31 years, P=0.007), pretransplantation hypertension (HTN) (100% vs 65.75%, P>0.001), post-transplant infection (76% vs 42.47%, P=0.005), coronary artery disease (28% vs 1.37%, P>0.001), and serum creatinine at last follow up (median 2.3mg/dL vs 1.56mg/dL, P=0.003). Cardiovascular disease, in addition to infection, is an important cause of death during the first 15 years following renal transplantation even in nondiabetic recipients. Death with functioning graft is of concern.


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Indian Journal of Nephrology
Published by Wolters Kluwer - Medknow
Online since 20th Sept '07