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  • Left ventricular mass is associated with ventricular repolarization heterogeneity one year after renal transplantation
    Arnol, Miha ...
    Ventricular repolarization heterogeneity (VRH) is associated with the risk of arrhythmia and cardiac death. This study investigated the association between VRH and left ventricular mass (LVM) in ... renal transplant recipients 1 year after transplantation. Echocardiography and 5-min 12-lead electrocardiogram were recorded and GFR was estimated (eGFR) in 68 nondiabetic patients. Beat-to-beat QT interval variability algorithm was used to calculate SDNN-QT and rMSSD-QT indices of VRH. To quantify QT interval variability relative to heart rate fluctuations, QTRR index was calculated. Left ventricular hypertrophy (LVH) was present in 44 patients (65%). LVM and incidence of LVH were increased in 28 patients with eGFR <60 mL/min/1.73 m(2) compared with 40patients with eGFR > or =60 mL/min/1.73 m(2) (248 +/- 61 g and 86% vs. 210 +/- 46 g and 50%, respectively; p < 0.01). A direct correlation was found between LVM and SDNN-QT (R = 0.47, R(2)= 0.23; p < 0.001), rMSSD-QT (R = 0.27;R(2)= 0.10; p = 0.034), and QTRR (R = 0.55; R(2)= 0.31; p < 0.001) indices. In conclusion, greater LVM is associated with increased VRH in renal transplant recipients, providing a link with the high risk of arrhythmia and cardiac death, specifically in patients with decreased graft function.
    Vir: American journal of transplantation. - ISSN 1600-6143 (Letn. 8, št. 2, 2008, str. 446-451)
    Vrsta gradiva - članek, sestavni del
    Leto - 2008
    Jezik - angleški
    COBISS.SI-ID - 24072153
    DOI

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