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Ultrafiltration by Peritoneal Route in Refractory Chronic Congestive Cardiac Failure
S Hedau1, R Chakravarthi2, V Reddy1
1Department of Nephrology, Care Hospital, Hyderabad, Telangana, India.
Abstract:
Diuretics are the mainstay of treatment of refractory heart failure. There is a high incidence of dyselectrolytemia and suboptimal response due to diuretic resistance. Ultrafiltration by peritoneal route can be a safe and effective alternative. This study aims to study the ultrafiltration by peritoneal route in refractory heart failure patients with respect to change in functional status, renal parameters, left ventricular ejection fraction, number of days of hospitalization, and level of myocardial depressant factors. This was a prospective observational study conducted in Nephrology Department of tertiary care hospital. We studied patients with refractory heart failure who had persistent symptoms requiring frequent admissions despite optimal medical decongestion or had dyselectrolytemia with worsening renal parameters. The data were collected at baseline and then after 6 months of starting ultrafiltration. A total of 30 participants were studied. All the patients were in NYHA functional status Class IV before peritoneal ultrafiltration. There was a significant improvement in functional status and only 14 patients (46%) had Class III to Class IV status after application of ultrafiltration. (P < 0.001) There was a significant improvement in duration of hospital stay (75.8 ± 43.3 days to 7.8 ± 12.4, P > 0.001), serum creatinine (3.18 ± 0.98 to 2.16 ± 0.79 mg/dl, P < 0.001), and left ventricular ejection fraction [29.3 ± 7.4 (%) to 48.5 ± 11.8 (%), P < 0.0001] post ultrafiltration. There was also significant improvement in level of myocardial depressant factors (IL-1, IL-6, TNF alpha). Ultrafiltration by peritoneal route seems to be an effective alternative and should be offered to patients with chronic heart failure who are symptomatic despite maximal medical treatment.
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