Abstract
To investigate the efficacy of sacubitril/valsartan in the treatment of peritoneal dialysis (PD) in patients with diabetes and heart failure with preserved ejection fraction (HFpEF). Patients with diabetes who underwent PD and had HFpEF (n = 64) were divided into two groups: the experimental group (n = 31), which was administered sacubitril/valsartan, and the control group (n = 33), administered valsartan alone. Data were collected before and after treatment to compare the inter-group changes in cardiac function indexes, residual renal function (RRF), and PD adequacy indexes. Compared with the control group, the N-terminal pro-B-type natriuretic peptide (NT-proBNP) levels were lower in the experimental group after treatment (Wilcoxon test, p < 0.05). The descent ranges of NT-proBNP, left ventricular end-systolic dimension, and left ventricular fraction shortening, as well as increases in the amplitude of left ventricular ejection fraction after treatment were better in the experimental group than in the control group (t-test, p < 0.05). The descent ranges of residual renal glomerular filtration rate, residual renal Kt/Vurea, and residual renal creatinine clearance, as well as increases in the amplitude of β2-microglobulin, were lower in the experimental group than in the control group (Wilcoxon test, p < 0.05). However, there were no significant differences between the two groups in the descent ranges of the PD adequacy indexes (Wilcoxon test, p > 0.05). Hyperkalemia occurred in 8 cases (25.81%) in the experimental group and 13 cases (39.39%) in the control group, while hypotension occurred in 2 cases (6.45%) and 1 case (3.03%), respectively. No other adverse effects were observed in either group. The findings suggest that sacubitril/valsartan can safely and effectively improve RRF and cardiac function in patients with diabetes combined with HFpEF receiving PD, but it has little effect on PD adequacy.
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