头颈部,特别是颌面部手术,常遇到的问题是手术野狭窄、出血、手术操作受限及止血困难。对出血较多的恶性肿瘤,过去常采用颈外动脉结扎或低血压麻醉法,本文的目的是讨论头颈部恶性肿瘤行暂时性颈外动脉结扎术的效果及适应范围。头颈部肿瘤多发于高龄者,并常伴有心血管、肝及肾疾病。这是低血压麻醉的禁忌症。颈外动脉结扎虽是安全又无并发症的方法,但是目前放疗和 Head and neck, especially maxillofacial surgery, often encountered problems are surgical stenosis, bleeding, limited surgical procedures and bleeding difficulties. The more bleeding in malignant tumors, the past often used ligation of the external carotid artery or hypotensive anesthesia, the purpose of this paper is to discuss the head and neck malignant tumor temporary external carotid artery ligation effect and the scope of adaptation. Head and neck cancer in elderly patients, and often accompanied by cardiovascular, liver and kidney disease. This is a contraindication to hypotension anesthesia. Although the external carotid artery ligation is safe and no complications, but the current radiotherapy and