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  • Title: Evaluation of clinical outcome and predictors of mortality in patients undergoing antegrade transvenous variceal embolization in adjunct to salvage transjugular intrahepatic portosystemic shunt for active uncontrolled gastric variceal bleeding.
    Author: Patidar Y, Chatterjee N, Mukund A, Sarin SK.
    Journal: Br J Radiol; 2024 Nov 01; 97(1163):1791-1798. PubMed ID: 39120077.
    Abstract:
    OBJECTIVES: Salvage transjugular intrahepatic portosystemic shunt (TIPS) is indicated in patients with active endoscopically uncontrollable variceal bleeding. TIPS alone is not effective in the management of gastric varices, and balloon occluded transvenous obliteration (BRTO) requires favourable variceal anatomy. Concomitant placement of a TIPS stent with antegrade variceal embolization leads to control of gastric variceal bleeding with no significant increase in portal pressure. METHODS: A single-centre retrospective observational study in which patients with active uncontrollable gastric variceal bleeding were included. Technical success of the procedure, 5-day rebleeding, 6-week, and 6-month survival, as well as other additional outcomes, were evaluated. RESULTS: A total of 18 patients were included in the study. Technical success was 100% and significant non-target embolization was seen in 0% of patients. The 6-week and 6-month survival rates were 66.67%, with an overall survival of 108.786 days (censored at 180 days). The 5-day rebleed rate was 11.1%. A significant difference in Child-Turcotte-Pugh score (P = .03), model for end-stage liver disease-sodium (MELD-Na) score (P = .022), requirement of intubation (P = .038), haemoglobin (Hb) levels (P = .042), haematocrit value (P = .018), packed red blood cell infusion required prior to and after the procedure (P = .045, .044), and presence of refractory shock (P = .013) was observed between the survival and the mortality groups. Post-variceal bleeding Hb levels, mean arterial pressure, and MELD-Na scores were significant predictors of mortality. CONCLUSION: TIPS in adjunct to antegrade transvenous embolization is a safe and effective modality for the management of active uncontrolled gastric variceal bleeding in patients with variceal anatomy unfavourable for performing retrograde obliteration. ADVANCES IN KNOWLEDGE: (1) TIPS alone may not be effective in the management of gastric varices. BRTO requires favourable variceal anatomy and may lead to catastrophic oesophageal variceal haemorrhage. Concomitant placement of a TIPS stent with antegrade variceal embolization leads to control of gastric variceal bleeding with no significant increase in portal pressure. (2) TIPS, in conjunction with antegrade transvenous embolization, requires proper knowledge of variceal anatomy and the embolizing agent. Post-variceal bleeding Hb levels, mean arterial pressure, and MELD-Na scores were significant predictors of mortality.
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