Selective puncture to embolize the left-middle portal vein with the different concentration, dosage and the injection speed of NBCA.
穿刺左中支门静脉，以不同浓度、剂量和推注速度的NBCA栓塞该血管。
2
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.