On the basis of the experimental findings, clinical experience, and the reported complications of selective embolization, the external carotid artery ligation procedure is simple, effective and free of serious complications.

• 根据实验的发现，临床上的经验，以及选择性栓塞并发症的报告，外颈动脉结扎手术乃是一种简单，有效的方法，同时不会产生严重的并发症。