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We report two cases of acute arterial hemorrhage successfully treated by transarterial embolization, using the triaxial system and n -butyl-2-cyanoacrylate (NBCA). Case 1 is a 78-year-old man with a large hematoma in the rectus abdominis muscle. Case 2 is a 63-year-old man with massive jejunal bleeding and shock. In both cases, severe coagulopathy was present, and safe embolization with NBCA was necessary. In the triaxial system, which consists of a 1.9-French (F) microcatheter, a 2.7-F high-flow microcatheter, and a 4-F catheter, the high-flow microcatheter introduced through the 4-F catheter usually acts as supporting catheter to advance the 1.9-F microcatheter distally. In our cases, the high-flow microcatheter was also useful for the prevention of NBCA reflux into an untargeted artery, and thus, safe embolization could be performed.

interventional radiology

Clinical Usefulness of the Triaxial System in Emergency Transarterial Embolization with &lt;i&gt;N&lt;/i&gt;-butyl-2-cyanoacrylate: A Report of Two Cases