因食管癌的解剖位置特殊,在手术过程中存在多方面因素影响呼吸功能,如胃和结肠占据部分胸腔;开胸术中需切断呼吸肌从而影响膈肌运动,部分患者导致膈肌瘫痪;术后疼痛不易于咳嗽排痰,致肺不张合并感染;三切口食管癌根治术后,患者因术中易出现喉返神经损伤、声带麻痹,影响患者咳嗽排痰,从而容易出现肺部并发症。 Due to the special anatomical location of esophageal cancer, there are many factors affecting the respiratory function in the course of surgery, such as stomach and colon occupy part of the chest cavity; thoracotomy need to cut off the respiratory muscle and thus affect the diaphragm movement, some patients lead to paralysis of the diaphragm; postoperative pain Not easy to cough expectoration, resulting in pulmonary atelectasis and infection; three incision esophageal cancer radical surgery, the patient due to intraoperative recurrent laryngeal nerve injury, vocal cord paralysis, affecting patients with cough expectoration, which prone to pulmonary complications.