ArticleCardiovascular and interventional radiology2025
N-Butyl-2-Cyanoacrylate-Assisted Balloon-Occluded Retrograde Transvenous Obliteration (NARTO) of Gastric Varices and Splenorenal Shunts.
Article in Cardiovascular and interventional radiology, 2025. 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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1 citing paper in PubMed.
- Coil-Assisted Transvenous Interventions for Uncommon Spontaneous Portosystemic Shunts.Cardiovascular and interventional radiology · 2026Article
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3 authors.
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Abstract
purposeThis retrospective study investigated the efficacy of n-butyl-2-cyanoacrylate (nBCA)-assisted balloon-occluded retrograde transvenous obliteration (NARTO) of gastric varices and splenorenal shunts. MATERIALS AND
methodsBetween November 2021 and February 2024, 16 patients (3 females, 13 males) underwent NARTO, consisting of balloon-occluded retrograde transvenous obliteration (BRTO) followed by nBCA embolization of the efferent draining vein without the balloon catheter remaining indwelling afterward, to treat gastric varices in 12 patients with liver cirrhosis or to improve portal vein flow or hepatic encephalopathy in four patients with splenorenal shunts after liver transplantation.
resultsNARTO was technically successful in all 16 patients without major procedure-related complications. There was no migration of nBCA nor adhesion of nBCA to the balloon catheter. Follow-up contrast-enhanced CT showed no recurrence of gastric varices. For splenorenal shunts after liver transplantation, portal steal syndrome and hepatic encephalopathy improved after NARTO.
conclusionNARTO is a simple and efficient technique to occlude gastric varices and portosystemic shunts, avoiding the need for the indwelling of a balloon catheter after injecting the sclerosant.
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