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目的：探讨高龄、肺功能低下肺癌患者的手术适应证。方法：对术前最大通气量（ＭＶＶ）在３０％以上、但低于通常肺切除术标准的５５例肺癌手术结果进行分析。结果：本组均痊愈出院，但肺部感染及术后气管切开者比例分别达６４％和４０％，术后住院天数平均３２ｄ，１年生存率８８％。结论：术前ＭＶＶ≥３０％心功能正常者可适当放宽手术指征，肺叶切除术为首选，全肺切除术宜谨慎。
Objective: To investigate the surgical indications of elderly patients with lung cancer with low lung function. METHODS: The surgical outcomes of 55 patients with lung cancer who had preoperative MVV greater than 30% but lower than the standard lung resection criteria were analyzed. Results: All patients were cured and discharged. However, the proportion of lung infections and postoperative tracheotomy patients reached 64% and 40%, respectively, and the average length of hospital stay after surgery was 32 days. The 1-year survival rate was 88%. Conclusions: Preoperative MVV ≥ 30% of normal cardiac function can be appropriately relaxed surgical indications, lobectomy is the first choice, pneumonectomy should be cautious.