• A Lee, T N Lau, and K Y Yeong.
• Department of Geriatric Medicine, Tan Tock Seng Hospital, Singapore. Angel_Lee@notes.ttsh.gov.sg
• Support Care Cancer. 2000 Nov 1;8(6):493-9.

AbstractParacentesis is widely employed for palliation of symptomatic malignant ascites. In some patients, there is rapid re-accumulation of fluid necessitating frequent repeat procedures. Indwelling peritoneal drainage catheters can provide more durable symptom relief, avoiding the hazards and disadvantages of multiple repeat procedures. The goal of our study was to evaluate the technical success, complications and outcome associated with the use of these drainage catheters. We carried out a retrospective review of all patients who had indwelling catheters inserted for the management of symptomatic malignant ascites over a 4-year period. A total of 45 catheters were inserted in 38 patients. Insertion was technically successful in all patients, with immediate symptomatic relief. However, 2 cases of fatal hypotension were encountered in the first 24 h after catheter insertion (acute catheter-related mortality rate of 4.4%). These were attributed to rapid drainage of peritoneal fluid, although gastrointestinal tract bleeding was contributory in the second patient. Eight patients were lost to follow-up. Of the remaining 30, 13 (35.1%) patients developed catheter-related sepsis. The rate of infection was 1.6 episodes per 100 catheter-days. Thirteen tubes were removed prematurely, 6 (16.2%) due to sepsis, 5 (13.5%) because of tube blockage and 2 (5.4%) because of loculated ascites. The median length of time for which catheters were functional was 37 days (95% CI 14.1-59.6), with an average daily drainage of 539.5 ml (range 18-4000 ml). In conclusion, indwelling peritoneal drainage catheters provide a useful alternative to paracentesis in the management of symptomatic malignant ascites. Although it avoids the need for repeated paracentesis, it is not without risks. We discuss and propose some precautions to be observed in the use of these catheters.

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