Prognostic value of inducible myocardial ischemia in predicting cardiovascular events after renal transplantation.

Abstract:

BACKGROUND:The aims of the present study were to determine the prevalence of inducible myocardial ischemia (IMI) in renal transplant recipients (RTR) more than 50 years old, to identify predictors of IMI, and to search for its prognostic value. METHODS:Among the 377 renal transplantations performed between 1989 and 1998 in a single institution, 120 were done in patients > or =50 years old, and 97 were recruited for the study. During the last quarter of 1998, all of them underwent an exercise test (EST), an exercise-thallium 201 single photon emission computed tomography coupled with dipyridamole (SPECT), and 81% of them had a dobutamine stress echocardiography (DSE). Patients with IMI subsequently underwent coronary angiography to detect coronary stenosis. RESULTS:IMI was present in 12 of the 97 patients (10%). The diagnosis was evidenced by EST in four cases, by SPECT in 11 cases, and DSE in three cases. Five of these 12 patients (42%) had significant coronary artery stenosis (> or =50%). Multivariate analysis of several pre- and post-transplant variables evidenced acute rejection and left ventricular hypertrophy as significant correlates of IMI (both P < 0.03). Patients were prospectively followed-up for 48 months for the occurrence of major cardiovascular events. Kaplan-Meier analysis revealed a significant increase in cardiovascular events in the IMI group (P < 0.0001). In addition, the Cox proportional hazards model revealed that IMI and diabetes mellitus had an independent significant effect on the occurrence of major cardiovascular events. CONCLUSION:IMI was present in 10% of RTR aged > or =50 years, and was predicted by acute rejection and left ventricular hypertrophy. IMI had a strong effect on major cardiovascular events in this population.

journal_name

Kidney Int

journal_title

Kidney international

authors

Dussol B,Bonnet JL,Sampol J,Savin B,De La Forte C,Mundler O,Habib G,Morange S,Barrau K,Loundoun A,Vacher-Coponat H,Berland Y

doi

10.1111/j.1523-1755.2004.00929.x

subject

Has Abstract

pub_date

2004-10-01 00:00:00

pages

1633-9

issue

4

eissn

0085-2538

issn

1523-1755

pii

S0085-2538(15)50234-2

journal_volume

66

pub_type

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