Pre-transjugular-intrahepatic-portosystemic-shunt measurement of hepatic venous pressure gradient and its clinical application: A comparison study
World journal of gastroenterology(2023)
Abstract
BACKGROUND It is controversial whether transjugular intrahepatic portosystemic shunt ( TIPS) placement can improve long-term survival. AIM To assess whether TIPS placement improves survival in patients with hepatic-venous-pressure-gradient (HVPG) >= 16 mmHg, based on HVPG-related risk stratification. METHODS Consecutive variceal bleeding patients treated with endoscopic therapy + nonselective beta-blockers (NSBBs) or covered TIPS placement were retrospectively enrolled between January 2013 and December 2019. HVPG measurements were performed before therapy. The primary outcome was transplant-free survival; secondary endpoints were rebleeding and overt hepatic ence-phalopathy (OHE). RESULTS A total of 184 patients were analyzed (mean age, 55.27 years +/- 13.86, 107 males; 102 in the EVL+NSBB group, 82 in the covered TIPS group). Based on the HVPG-guided risk stratification, 70 patients had HVPG < 16 mmHg, and 114 patients had HVPG >= 16 mmHg. The median follow-up time of the cohort was 49.5 mo. There was no significant difference in transplant-free survival between the two treatment groups overall (hazard ratio [HR], 0.61; 95% confidence interval [CI]: 0.35-1.05; P = 0.07). In the high-HVPG tier, transplant-free survival was higher in the TIPS group (HR, 0.44; 95%CI: 0.23-0.85; P = 0.004). In the low-HVPG tier, transplant-free survival after the two treatments was similar (HR, 0.86; 95%CI: 0.33-0.23; P = 0.74). Covered TIPS placement decreased the rate of rebleeding independent of the HVPG tier ( P < 0.001). The difference in OHE between the two groups was not statistically significant (P = 0.09; P = 0.48). CONCLUSION TIPS placement can effectively improve transplant-free survival when the HVPG is greater than 16 mmHg.
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Key words
Hepatic venous pressure gradient,Transjugular intrahepatic portosystemic shunts,Cirrhosis,Variceal rebleeding,Survival
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