Superselective transcatheter arterial embolization (TAE) is important for lower gastrointestinal (GI) bleeding. A new 1.9-Fr. no-taper microcatheter has recently become available and can be inserted into a 2.7-Fr. microcatheter. We assessed the applicability of this new triple co-axial (triaxial) system to TAE for lower GI bleeding.
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