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Transplant Proc. 2006 May;38(4):1024-5.

Chronic kidney disease is still present after renal transplantation with excellent function.

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1
Renal Unit, Careggi University Hospital, Florence, Italy.

Abstract

According to a k/DOQI work group, chronic kidney disease (CKD) can be present also in subjects with glomerular filtration rate (GFR) >90 mL/min or a serum creatinine (sCr) below 1.3 mg/dL. The aim of this study was to document the prevalence of clinical or biologic abnormalities among 190 cadaveric renal transplant patients with excellent and stable renal function at 6 months after transplantation as well as 5 years later. The recipients were 82 women and 108 men of mean age at transplantation of 44.56 +/- 11.73 years. All patients were on Neoral-based immunosuppression with at least 5-year follow-up. Mean sCr was 1.18 +/- 0.2 mg/dL. Mean GFR was 78.57 +/- 27.06 mL/min. Systolic blood pressure was >130 mm Hg in 56.6%, although 78.3% of patients were on antihypertensive therapy; 34.3% were anemic; 75.4% had serum cholesterol >200 mg/dL; 62.2% had serum triglyceride levels >170 mg/dL. Serum intact parathyroid hormone >100 pg/mL was observed in 38% of patients and 43% were on vitamin D supplementation, and 11.4% had developed posttransplant diabetes mellitus. With respect to controls, von Willebrand factor was higher in 81.2% (P < .0001; RR = 11); serum homocysteine levels in 75% (P < 0.001; RR = 7.61); PAI-1 in 37.5% (P = .0009; RR = 4). At 5 years posttransplantation we observed an overall improvement in these abnormalities. The vast majority of renal transplant patients with excellent graft function belong to stage 1 of CKD being affected by hypertension, dyslipidemia, anemia, and residual hyperparathyroidism. Markers of endothelial dysfunction were largely abnormal, a condition that could predispose to cardiovascular events.

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