PMID: 16523430Mar 9, 2006Paper

Effects of short daily hemodialysis and extended standard hemodialysis on blood pressure and cardiac hypertrophy: a comparative study

Journal of Nephrology
Riccardo M FagugliUmberto Buoncristiani

Abstract

Causes of hypertension and cardiac hypertrophy in hemodialysis (HD) patients are multiple, but the role of fluid overload appears to be crucial. Short daily HD (sDHD = 2 hr x 6/week) seems to allow reductions in left ventricular mass (LVM) through the reduction of extracellular water (ECW). Better cardiovascular stability during HD can be obtained with short, but more frequent HD sessions, but also by increasing the session length accompanied with a reduction in ultrafiltration (UF)/hr. Regardless of the method, the adequate reduction in extracellular volume should permit better control of hypertension and left ventricular hypertrophy (LVH). This study aimed to compare sDHD with an extended form of standard HD (eSHD = 4.5-5 hr x 3/week) on the reduction of fluid overload, blood pressure (BP) and LVM index (LVMi). Twenty-four HD patients with hypertension and LVH were enrolled in a prospective non-randomized study. After a 3-month run-in period they were divided in two comparable groups: 12 patients treated with sDHD, and 12 patients treated with eSHD for 6 months. LVMi, 24 hr BP monitoring, ECW, determined with electrical bio-impedance, biochemical correlates and spKT/V were studied at the beginning of the study and 6 months la...Continue Reading

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