Comparison of Blood Pressure Control and Left Ventricular Hypertrophy in Patients on Continuous Ambulatory Peritoneal Dialysis (CAPD) and Automated Peritoneal Dialysis (APD)

Jong Soon Jang, Soon Kil Kwon, Hye-Young Kim, Jong Soon Jang, Soon Kil Kwon, Hye-Young Kim

Abstract

This study aimed to investigate the influence of different peritoneal dialysis regimens on blood pressure control, the diurnal pattern of blood pressure and left ventricular hypertrophy in patients on peritoneal dialysis. Forty-four patients undergoing peritoneal dialysis were enrolled into the study. Patients were treated with different regimens of peritoneal dialysis: 26 patients on continuous ambulatory peritoneal dialysis (CAPD) and 18 patients on automated peritoneal dialysis (APD). All patients performed 24-hour ambulatory blood pressure monitoring (ABPM) and echocardiography. Echocardiography was performed for measurement of cardiac parameters and calculation of left ventricular mass index (LVMI). There were no significant differences in average of systolic and diastolic blood pressure during 24-hour, daytime, and nighttime between CAPD and APD groups. There were no significant differences in diurnal variation of blood pressure, systolic and diastolic blood pressure load, and LVMI between CAPD and APD groups. LVMI was associated with 24 hour systolic blood pressure load (r = 0.311, P < 0.05) and daytime systolic blood pressure load (r = 0.360, P < 0.05). In conclusion, this study found that there is no difference in blood pressure control, diurnal variation of blood pressure and left ventricular hypertrophy between CAPD and APD patients. The different peritoneal dialysis regimens might not influence blood pressure control and diurnal variation of blood pressure in patients on peritoneal dialysis.

Keywords: automated peritoneal dialysis (APD); blood pressure monitoring, ambulatory; continuous ambulatory peritoneal dialysis (CAPD); left ventricular mass index.

Figures

Fig. 1
Fig. 1
Correlation between LVMI and 24-Hour Systolic Blood Pressure Load (r = 0.311, P < 0.05). LVMI, left ventricular mass index; 24hr Load SBP, 24 hour systolic blood pressure load.
Fig. 2
Fig. 2
Correlation between LVMI and Daytime Systolic Blood Pressure Load (r = 0.36, P < 0.05). LVMI, left ventricular mass index; Day Load SBP, daytime systolic blood pressure load.

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