Concurrent spontaneous portosystemic shunt embolization for the prevention of overt hepatic encephalopathy after TIPS: A systematic review and meta-analysis.
Digestive and liver disease : official journal of the Italian Society of Gastroenterology and the Italian Association for the Study of the Liver(2023)
Abstract
BACKGROUND:Overt hepatic encephalopathy remains a serious complication after TIPS. Concomitant SPSS is associated with an increased risk of HE in patients treated with TIPS.
PURPOSE:To perform a systematic review and meta-analysis on the effectiveness and safety of the prophylactic embolization of SPSS at the time of TIPS creation.
MATERIALS AND METHODS:The PubMed, Embase, Cochrane Library, and Web of Science databases were searched up to April 2023 to identify studies on the association between antegrade embolized SPSS before TIPS placement and the incidence of post-TIPS HE. Odds ratios (ORs) and their corresponding 95% CIs were used to identify significant differences in the outcomes.
RESULTS:Four studies enrolling 1243 patients with cirrhosis who received TIPS for variceal bleeding were included. A meta-analysis revealed that TIPS without simultaneous SPSS embolization was associated with an increased risk of overt HE (OR 2.41, 95% CI 1.32-4.38; p = 0.004). The risks of mortality (0.79, 95% CI 0.58-1.07; p = 0.13), variceal rebleeding (0.94, 95% CI 0.66-1.34; p = 0.74) and shunt dysfunction (1.40, 95% CI 0.51-3.83; p = 0.51) did not significantly differ among the groups.
CONCLUSION:SPSS prevalence was associated with an increased risk of overt HE after TIPS. Concurrent antegrade SPSS embolization during TIPS creation reduced the risk for overt HE without increasing other complications.
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