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Riggio, O. et al.

Riggio, Masini, Efrati, Nicolao, Angeloni, Salvatori, Bezzi, Attili, Merli,

Pharmacological prophylaxis of hepatic encephalopathy after transjugular intrahepatic portosystemic shunt: a randomized controlled study.

BACKGROUND/AIMS: Hepatic encephalopathy is a frequent event after transjugular-intrahepatic-portosystemic-shunt (TIPS), especially during the first months. Aim of this study was to compare two different treatments (lactitol 60 g/day, rifaximin 1200 mg/day) with no-treatment in the prevention of post-TIPS hepatic encephalopathy. METHODS: Seventy-five consecutive cirrhotics submitted to TIPS were randomized to receive either one of the above treatments or no-treatment. The main end-point was the occurrence of an episode of overt hepatic encephalopathy during the first month post-TIPS. Before the procedure and weekly thereafter the patients were evaluated by examining their mental status, asterixis, ammonia and trail-making-test Part-A (TMT-A). RESULTS: The three groups were comparable for age, sex, etiology, Child-Pugh-score, post-TIPS porto-systemic gradient, previous hepatic encephalopathy, basal values of ammonia and psychometric performance. Twenty-five patients developed hepatic encephalopathy (33%, CI 95%=22-45%). One-month incidence was similar in the three groups (P=0.97). Previous hepatic encephalopathy (Relative Hazard=3.79;1.27-11.31) and basal-TMT-A Z-score>1.5 (RH=3.55;1.24-10.2) were predictors of post-TIPS encephalopathy at multivariate analysis. A <5 mmHg porto-systemic gradient was also significantly related to the occurrence of encephalopathy. CONCLUSIONS: Our data show that treatment with lactitol or rifaximin is not effective in the prophylaxis of hepatic encephalopathy during the first month after a TIPS.[1]

References

Pharmacological prophylaxis of hepatic encephalopathy after transjugular intrahepatic portosystemic shunt: a randomized controlled study. Riggio, O., Masini, A., Efrati, C., Nicolao, F., Angeloni, S., Salvatori, F.M., Bezzi, M., Attili, A.F., Merli, M. J. Hepatol. (2005) [Pubmed]

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