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鼻腔后部出血,常规的前后鼻孔填塞法无效时,则须采用结扎血管的方法以达到止血目的,如筛前、后动脉,上颌动脉,蝶腭动脉或颈外动脉结扎术。关于结扎上颌动脉,自1928年Seiffert提出经上颌窦结扎以来,曾被一些学者采用,但须借助手术显微镜,操作较复杂,且有伤及上颌神经、蝶腭神经和翼管神经的可能;如在上颌骨骨折、上颌窦肿瘤及儿童患者则不能采用。
Nasal posterior hemorrhage, conventional nostril packing ineffective, you must use the method of ligation of blood vessels to achieve the purpose of hemostasis, such as the anterior ethmoidal, posterior arteries, maxillary arteries, sphenopalatine artery or external carotid artery ligation. Regarding the ligation of the maxillary arteries, Seiffert has proposed the use of some scholar sutures since 1928 when the maxillary sinus ligation was performed. However, with the aid of a surgical microscope, the operation is complicated and may injure the maxillary, sphenopalatine and pterygium nerves. In maxillary fractures, maxillary sinus tumors and pediatric patients can not be used.