鼻腔后部出血因通过前鼻镜检查不能发现出血血管而情况复杂。传统的治疗是行后鼻孔填塞 ,除效果有限外 ,尚可伴发氧不足、菌血症甚至心肌梗塞。鼻腔后部血供来自颌内动脉 (IMA)的终支蝶腭动脉 (SA)。若经上颌窦结扎 IMA,有致面部肿胀及神经性疼痛、上唇麻木、术后上颌窦炎及术 The posterior nasal hemorrhage is complicated by the failure to detect bleeding vessels through the anterior nasal examination. Traditional treatment is post-nostril packing, in addition to limited effects, but also with hypoxia, bacteremia and myocardial infarction. The posterior nasal passages are fed with the terminal sphenoid palatal artery (SA) from the internal mammary artery (IMA). If the maxillary sinus ligation IMA, have caused facial swelling and neuropathic pain, numb upper lip, maxillary sinusitis and surgery