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  • Title: Shunt-preserving disconnection of the portal to systemic circulation in patients with hepatic encephalopathy.
    Author: Ikeda O, Inoue S, Tamura Y, Yamashita YI, Baba H, Inomata Y, Yamashita Y.
    Journal: Acta Radiol; 2018 Apr; 59(4):441-447. PubMed ID: 28791885.
    Abstract:
    Background Portosystemic shunt obliteration by surgical or interventional radiological techniques can be effective for patients with hepatic encephalopathy (HE) although this approach is often associated with accumulation of ascites and/or formation of esophageal varices. Purpose To evaluate the clinical efficacy and safety of shunt-preserving disconnection of the portosystemic circulation (SPDPS) in patients with HE. Material and Methods Nine patients with HE and a splenorenal shunt were treated by SPDPS: eight underwent selective coil embolization of the splenic vein and one underwent stent-graft closure of the shunt. The primary endpoint was change in HE severity based on the West-Haven criteria. The secondary endpoints were changes in serum ammonia levels, hepatic function, HE recurrence during the follow-up period, and post-treatment HE recurrence based on the West-Haven diagnostic criteria. Results The technical success rate was 100% with no severe complications. After the procedure, the mean portal blood pressure increased from 18 mmHg to 22 mmHg ( P = 0.02), the mean HE grades fell from 2.1 to 1.1 ( P < 0.01), and one month after the procedure, the mean serum ammonia level decreased from 177 µg/dL to 87 µg/dL ( P = 0.03) and the mean total Child-Pugh score from 8 to 7 ( P = 0.07). Conclusion SPDPS using selective coil embolization and stent-graft closure of the shunt can be an effective and safe treatment for patients with HE.
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