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  • Title: Effects of different dialysis modalities on cardiac autonomic dysfunctions in end-stage renal disease patients: one year prospective study.
    Author: Dursun B, Demircioglu F, Varan HI, Basarici I, Kabukcu M, Ersoy F, Ersel F, Suleymanlar G.
    Journal: Ren Fail; 2004 Jan; 26(1):35-8. PubMed ID: 15083919.
    Abstract:
    Cardiac autonomic dysfunction (CAD) is a common problem in patients with end-stage renal disease (ESRD) and may contribute to the risk of cardiac mortality. Long-term effects of dialysis modalities on CAD in ESRD patients are not clear. In this one-year prospective study, we studied the effects of different dialysis modalities on CAD in ESRD patients. The study consisted of 20 ESRD patients who had the indications for initiating dialysis therapy (13 hemodialysis and 7 CAPD patients) and 15 healthy controls (M/F: 5/10; age 30 +/- 4). In all the subjects, first at the beginning of study (in patient groups just before initiating dialysis therapy) and then after 12 months, we studied 24 hours ECG-Holter monitoring and heart rate variability parameters (time and frequency domain analysis parameters; SDNN: standard deviations of nn intervals, rMSSD: square root of the median of standard deviation, HRVI: heart rate variability index, LF/HF: low frequency/high frequency). In ESRD patients, before dialysis therapy, all the parameters of time domain analysis were significantly lower compared to control group (p = 0.001). In patient groups, after dialysis therapy (on the 12th month), significant improvement was observed in time domain analysis parameters (p = 0.001). When dialysis modalities were compared, the increase in the time domain analysis parameters was significantly greater in the CAPD group compared to hemodialysis (HD) group. Our findings suggest that CAD is frequent in ESRD patients, a dialysis therapy of 12 months can cause significant improvement on CAD and the ameliorative effect of CAPD is better than HD.
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