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目的 通过收集和研究患者临床资料,分析肺癌并发肺栓塞患者的危险因素.方法 回顾分析2016年01月—2017年12月收治的21 例肺癌并发肺栓塞患者(研究组)的临床资料,并选取同一时期收住的42 例肺癌患者(无并发肺栓塞)作为对照组.采用Logistic回归进行危险因素分析.结果 研究组与对照组患者性别、年龄、吸烟史、高血压史、血红蛋白、白细胞计数、血小板计数比较,差异无统计学意义(P＞0.05),研究组与肺癌组患者病理类型、TNM分期、CEA、D-二聚体差异均有统计学意义(P＜0.05).结论 腺癌、Ⅲ-Ⅳ期、CEA≥10 μg/L、D-二聚体≥0.5 mg/L是肺癌并发肺栓塞的独立危险因素.“,”Objective To investigate the risk factors associated with pulmonary embolism in patients with lung cancer by studying and analyzing the clinical data of patients. Methods The clinical data of 21 patients with lung cancer complicated with pulmonary embolism (as the study group) admitted to our hospital from January 2016 to December 2017 were retrospectively analyzed. 42 patients only with lung cancer who were admitted to the same period were selected as the control group. Logistic regression analysis was applied to filter out the risk factors. Results There were no significant difference in gender, age, smoking history, history of hypertension, hemoglobin, white blood cell count, and platelet count between the study group and the control group. While there were statistically significant difference of pathological type, TNM stage, CEA, D-Dimer in the study group and control group. Conclusion Adenocarcinoma, lung cancer of grade Ⅲ to Ⅳ, CEA≥10 μg/L, and D-dimer ≥ 0.5 mg/L are independent risk factors for lung cancer complicated with pulmonary embolism.