ArticleJapanese journal of radiology2024
Utilizing a suture-constrained covered stent for shunt reduction to treat transjugular intrahepatic portosystemic shunt-related refractory hepatic encephalopathy: a retrospective study.
Article in Japanese journal of radiology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Expandable Constrained Transjugular Intrahepatic Portosystemic Shunt: An Individualised Approach for High-Risk Patients?Liver international : official journal of the International Association for the Study of the Liver · 2026Article
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9 authors.
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Abstract
purposeRefractory hepatic encephalopathy (RHE) can occur as a consequence of excessive shunting following the creation of a transjugular intrahepatic portosystemic shunt (TIPS). We describe a technique that utilizes a suture-constrained covered stent for shunt reduction to treat TIPS-related RHE. MATERIALS AND
methodsBetween January 2017 and September 2023, 25 patients with TIPS-related RHE who underwent shunt reduction utilizing a suture-constrained covered stent were reviewed. The procedure involved reducing the diameter of a polytetrafluoroethylene-covered stent from 8 to 5 mm with a non-absorbable suture and inserting it into the existing TIPS stent to reduce shunt flow.
resultsTwelve of the 25 patients were evaluated. Shunt reduction was technically successful in all patients and no immediate complications related to the procedures were observed. Varying degrees of improvement in HE symptoms were observed after shunt reduction, with a mean increase in portosystemic gradient of 5 mmHg compared to pre-procedure, and complete disappearance of symptoms was observed in seven (58.3%) individuals. After a median follow-up of 8.3 months, HE recurred in 4 patients (33.3%) and TIPS indication recurred in 2 patients (16.7%) in the form of ascites and variceal bleeding, respectively. One patient (8.3%) developed shunt dysfunction detected by Doppler ultrasound and was accompanied by the presence of hepatic hydrothorax and ascites. At the end of the study, 5 patients (41.7%) were alive, 5 (41.7%) succumbed to liver failure, and 2 (16.7%) succumbed to pneumonia.
conclusionsConstraining the stent diameter with a suture is feasible, and using this suture-constrained covered stent for shunt reduction can effectively improve TIPS-related RHE. Further investigations are warranted to precisely delineate the impact of the increased portosystemic gradient and to optimize patient survival.
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