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Comparison of specialized stent versus generic stent and bare stent combination for transjugular intrahepatic portosystemic shunt creation
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Comparison of specialized stent versus generic stent and bare stent combination for transjugular intrahepatic portosystemic shunt creation
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Journal Article
Comparison of specialized stent versus generic stent and bare stent combination for transjugular intrahepatic portosystemic shunt creation
2024
Overview
Transjugular intrahepatic portosystemic shunt (TIPS) creation using the Viatorr stent remains relatively uncommon in underdeveloped and high-burden disease regions in Asia–Pacific, and there is a lack of comparative studies regarding its prognostic effects compared with the generic stent-graft/bare stent combination. The purpose of this retrospective study is to compare the prognostic endpoints of these two treatments in patients who underwent TIPS creation. Clinical data from 145 patients were collected, including 82 in the combination group and 63 in the Viatorr group. Differences in prognostic endpoints (shunt dysfunction, death, overt hepatic encephalopathy [OHE], rebleeding) between the two groups were analyzed using Kaplan–Meier curves. The Cox proportional hazards model was used to identify independent risk factors for post-TIPS shunt dysfunction. The TIPS procedure was successful in all patients. After TIPS creation, both groups showed a significant decrease in porto-caval pressure gradient compared to that before TIPS creation. The stent patency rates at 6, 12, and 18 months were high in both the combination and Viatorr groups (93.7%, 88.5%, and 88.5% vs. 96.7%, 93.4%, and 93.4%, respectively). The stent patency rates was higher in the combination group than in the Viatorr group, although not statistically significant (HR = 2.105, 95% CI 0.640–6.922, Log-rank
P
= 0.259). There were no significant differences in other prognostic endpoints (death, OHE, rebleeding) between the two groups. The Cox model identified portal vein diameter (HR = 0.807, 95% CI 0.658–0.990,
P
= 0.040) and portal vein thrombosis (HR = 13.617, 95% CI 1.475–125.678,
P
= 0.021) as independent risk factors for post-TIPS shunt dysfunction. The shunt patency rates between the Viatorr stent and the generic stent-graft/bare stent combination showed no significant difference and the generic stent-graft/bare stent combination may be a viable alternative in areas where the Viatorr stent is not yet available.
Publisher
Nature Publishing Group UK,Nature Publishing Group,Nature Portfolio
Subject
/ Adult
/ Aged
/ Female
/ Hepatic Encephalopathy - etiology
/ Hepatic Encephalopathy - surgery
/ Humanities and Social Sciences
/ Humans
/ Implants
/ Male
/ Patients
/ Portasystemic Shunt, Transjugular Intrahepatic - adverse effects
/ Portasystemic Shunt, Transjugular Intrahepatic - methods
/ Science
/ Shunts
/ Stent
/ Stents
