Abstract
Cardiovascular complications in patients with end-stage renal disease requiring dialytic therapy are frequent and account for approximately 40% of all deaths in these patients. The aim of this study was to analyze the occurrence of cardiac arrhythmia in peritoneal dialysis (PD) patients with respect to the changes in left ventricular structure and function. To determine characteristics of arrhythmia in patients on PD for chronic renal failure, 30 patients (18 male and 12 female; aged 54.1±13.8 years) underwent twice (interval of 20±4.1 months) ambulatory 24 hour Holter ECG monitoring. At the same time all the patients were analyzed by echocardiography and pulsed Doppler echocardiography to estimate cardiac structure and function. Ventricular arrhythmias were seen in 9 patients (30%) during the first examination and in 13 patients (43.3%) on the second. Ventricular arrhythmias were observed only in patients with left ventricular hypertrophy (LVH). Supraventricular arrhythmias were seen in 12 (40%) and 17 (56.7%) patients. The majority of these patients also had LVH, with 11/12 (91.7%) patients at the first examination and 15/17 (88.2%) at the second respectively. We conclude that the incidence of arrhythmia is primarily dependent on the presence of LVH in PD patients. It appears that peritoneal dialysis does not provoke or aggravate arrhythmia.
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