Abstract
PurposeTo evaluate the efficacy and safety of simultaneous combined balloon-occluded retrograde transvenous obliteration (B-RTO) and partial splenic embolization (PSE) for gastric varices and/or hepatic encephalopathy. Materials and MethodsB-RTO was performed in 19 consecutive patients with gastric varices and/or hepatic encephalopathy, of whom 10 received simultaneous combined B-RTO and PSE (group 1) and nine received B-RTO monotherapy (group 2). To evaluate the safety of these techniques, we analyzed 20 patients who received PSE monotherapy during the same period as a control group (group 3). Outcomes were retrospectively assessed. ResultsNo significant differences were observed in baseline characteristics among the three groups except for significantly lower platelet counts and larger spleen volumes in group 3. In all cases in groups 1 and 2, gastric varices disappeared and hepatic encephalopathy improved after treatment. Procedure times were not significantly different between groups 1 and 2 (P = .7435). In group 1, the volume of sclerosing agent required for B-RTO was significantly lower (P = .0355) and exacerbation of esophageal varices was significantly less frequent (P = .0146) than in group 2. Few serious complications occurred in patients who received combined therapy. ConclusionsThis study indicates that concomitant PSE may help diminish the increase in portal venous pressure after B-RTO for portosystemic shunts, and may allow a reduction in the volume of hazardous sclerosing agent used. It is worth evaluating the efficacy of simultaneous B-RTO and PSE in a prospective study.
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