Abstract

The relationship between lung cancer surgery and venous thromboembolism (VTE) in Japan has not been elucidated. This was a post hoc analysis of the Cancer-VTE Registry. The 1057 patients who underwent surgery for lung cancer were divided into the surgery alone (SA) group (n=598) and the surgery plus chemotherapy (SC) group (n=459), and the 1-year incidences of VTE and cerebral ischemia were analyzed. In the SA and SC groups, composite VTE was observed in one (0.2%) and 15 (3.3%) patients, respectively, and cerebral ischemia was observed in eight (1.3%) and four (0.9%) patients, respectively. Lymph node metastasis was more common in patients with D-dimer >1.2μg/ml (odds ratio: 1.781, P=.004). SA had a low risk of VTE but a high risk of cerebral ischemia. Chemotherapy increases the risk of VTE. The D-dimer level was related to VTE and advanced cancer.

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