在超选微导管置入后，向撕裂血管的近端或损伤血管的残端轻缓注入N-羟丁基2-氰基丙烯酸酯（NBCA。
N-butyl 2- cyanoacrylate (NBCA) is gently deposited proximally to the arterial tear or at the level of the stump of the traumatized artery after superselective microcatheterization.
目的：分析导管介入治疗后的周围血管并发症的发生率、原因和处理方法。
Objective: To understand the incidence, cause and management of peripheral vascular complication after catheter interventional.
目的：评价急性消化道大出血的血管造影诊断和经导管介入治疗的价值。
Objective: To evaluate the value of angiographic diagnosis and transcatheter interventional treatment in patients with acute gastrointestinal bleeding.
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