Journal Article

Pre-transplant predictors of cerebrovascular events after kidney transplantation

Susanne Aull-Watschinger, Hermina Konstantin, Demetrakis Demetriou, Martin Schillinger, Antje Habicht, Walter H. Hörl and Bruno Watschinger

in Nephrology Dialysis Transplantation

Published on behalf of European Renal Association - European Dialysis and Transplant Assoc

Volume 23, issue 4, pages 1429-1435
Published in print April 2008 | ISSN: 0931-0509
Published online November 2007 | e-ISSN: 1460-2385 | DOI:
Pre-transplant predictors of cerebrovascular events after kidney transplantation

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Background. We evaluated cerebrovascular events (CVE) after kidney transplantation (KTx) and sought to identify pre-transplant predictors of transient ischaemic attacks (TIA) and strokes post-transplantation.

Methods. A total of 1617 consecutive kidney and 16 kidney–pancreas recipients transplanted between 1995 and 2005 were analysed in this retrospective single-centre study. Risk factors for CVE, e.g. recipient and donor age and gender, diagnosis of chronic kidney disease, end-stage renal disease (ESRD) duration, histories of hypertension, hyperlipidaemia, smoking, atrial fibrillation (AF), diabetes mellitus (DM), ischaemic heart, peripheral- and cerebro-vascular disease, as well as pre-transplant myocardial infarction or CVE (i.e. TIA/strokes) were analysed. Furthermore, the predictive value of pre-transplant screening tests, i.e. echocardiography (n = 1184) and carotid ultrasound (n = 922), was investigated.

Results. During a median follow-up of 4 years, 64 CVE (54 strokes and 10 TIA) were observed. Nineteen (5.1%) of 373 deceased patients died from fatal stroke. Recipient age, history of AF and hyperlipidaemia (P = 0.00, respectively), reduced left ventricular function (LVF) (P = 0.01) and the degree of stenosis by carotid ultrasound (P = 0.002), duration of ESRD (P = 0.03) and interstitial nephritis as renal disease cause (P = 0.04) evolved as predictors of TIA/stroke post-transplant in univariate analysis. In multivariable analysis, AF (P = 0.001) and DM (P = 0.037) were significant predictors for post-transplant CVE.

Conclusions. AF and DM are independent predictors of CVE after KTx. Beyond their general ability to detect sev- erely comorbid patients, pre-transplant screening tests (e.g. carotid ultrasound or echocardiography) were not able to identify renal transplant candidates at risk for CVE after transplantation.

Keywords: atrial fibrillation; left ventricular function; outcome; renal transplantation; stroke

Journal Article.  4637 words.  Illustrated.

Subjects: Nephrology

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