{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,21]],"date-time":"2026-06-21T07:44:54Z","timestamp":1782027894214,"version":"3.54.5"},"reference-count":18,"publisher":"SAGE Publications","license":[{"start":{"date-parts":[[2023,1,1]],"date-time":"2023-01-01T00:00:00Z","timestamp":1672531200000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["SAGE Open Medicine"],"published-print":{"date-parts":[[2023,1]]},"abstract":"<jats:sec>\n                    <jats:title>Objectives:<\/jats:title>\n                    <jats:p>Embolization of large portosystemic shunts effectively controls gastric variceal bleeding and prevents hepatic encephalopathy. The significance of dynamic changes in hepatic venous pressure gradient before and after embolization on clinical events and patient outcomes remains unknown.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods:<\/jats:title>\n                    <jats:p>In this retrospective single-center series, 46 patients with gastric variceal bleeding, hepatic encephalopathy, or both undergoing embolization (January 2018 to October 2020) were included, and dynamic changes in portal pressures were analyzed against patient outcomes.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>Males predominated. The most common portosystemic shunt syndrome was the lienorenal shunt. In all, 34 patients underwent embolization for hepatic encephalopathy and 11 for gastric variceal bleeding. The proportion of patients surviving at the end of 12 and 32\u2009months was 86.96 and 54.35%, respectively. The hepatic venous pressure gradient before shunt embolization was 13.4\u2009\u00b1\u20093.2 and 16.9\u2009\u00b1\u20093.7\u2009mm Hg after occlusion ( p\u2009&lt;\u20090.001). Bleeding from varices on overall follow-up was notable in five patients (10.9%), and overt hepatic encephalopathy in four ( N\u2009=\u200942, 9.5%) patients at 6\u201312\u2009months. The development of infections within 100\u2009days and beyond the first year was associated with the risk of dying at the end of 12 and 32\u2009months, respectively. Elevation of hepatic venous pressure gradient by &gt;4\u2009mm Hg from baseline and an absolute increase to &gt;16\u2009mm Hg immediately post-procedure significantly predicted the development of early- and late-onset ascites, respectively.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>Close monitoring for the development of infections and optimization of beta-blockers and diuretics after shunt embolization may improve clinical outcomes and help identify patients who will benefit from liver transplantation pending prospective validation.<\/jats:p>\n                  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