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Gastrointest Endosc. 2004 Apr;59(4):553-8.

A pilot study of 2-octyl cyanoacrylate injection for treatment of gastric fundal varices in humans.

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  • 1Interventional Endoscopy Service, California Pacific Medical Center, San Francisco, California 94115, USA.



N-butyl cyanoacrylate injection has been shown to be effective and safe for the endoscopic treatment of gastric varices. N-butyl cyanoacrylate is not available in the United States, but use of a similar agent, 2-octyl cyanoacrylate, recently was approved for skin closure. This pilot study prospectively evaluated the efficacy and safety of 2-octyl cyanoacrylate injection for treatment of gastric fundal varices.


Twenty-five patients with large gastric fundal varices with either stigmata of recent hemorrhage, a history of bleeding, or high-risk varices underwent intravariceal injection of undiluted 2-octyl cyanoacrylate. The end points for this study were cessation of active bleeding, successful obliteration of visible varices, and prevention of bleeding.


Within 2 weeks of treatment, 52% of patients had a history of significant variceal bleeding, and 12% had active gastric variceal bleeding at the time of injection. The rate of immediate hemostasis was 100%. Gastric variceal bleeding recurred in 4% of patients (mean follow-up 11 months). The overall mortality rate was 12%; the bleeding-related mortality rate was 4%.


Injection of 2-octyl cyanoacrylate appears to be efficacious and safe for both prevention and control of gastric variceal hemorrhage. Larger studies are required to further establish the use of 2-octyl cyanoacrylate for treatment of gastric fundal varices.

[PubMed - indexed for MEDLINE]
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