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Ascites free-water dynamics in decompensated cirrhosis: effects of an acute Hemaccel infusion
A Milani1, A M Ciammella, M Mazzone
1Department of Patologia Medica , S. Cuore Catholic University, Rome.
Background:
Plasma-expanders (PE) are commonly employed to reduce the hemodynamic effects of large-volume paracentesis in patients with decompensated cirrhosis. The aim of this paper is to investigate the effects of PE acute administration on ascites dynamics in cirrhotic patients.
Methods:
Wash-out intraabdominal pressure (IAP), ascites volume and free-water peritoneal clearance (FWPC) were evaluated in six decompensated cirrhosis by means of a methylene-blue (MB) dilution method. The method is based on the compartmental analysis of MB peritoneal clearance and has been validated by previous deuterium oxide studies. Immediately after the MB dilution test, a rapid Hemaccel i.v. infusion (500 ml 3.5% in 15 min) was perform-ed in all subjects, thereafter carrying out a second MB test. The obtained results were analyzed by two-way variance analysis.
Results:
IAP and ascites volume values were not appreciably modified by the PE treatment. Following the Hemaccel infusion, only a fair reduction of FWPC values (from 88.33+/-7.78 to 76.98+/-8.09 ml/min) was observed.
Conclusions:
The results obtained indicate that, at least at the employed doses, Hemaccel acute administration has a low impact on the ascites dynamics in decompensated cirrhotics. These data cannot therefore support the hypothesis of a therapeutic use of PE in ascitic patients, but to avoid excessive plasma volume reductions in association with a large volume paracentesis.
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