• Ruiyuan Yang, Haoyu Wang, Dan Liu, and Weimin Li.
• Department of Pulmonary and Critical Care Medicine, West China Hospital, Sichuan University, Chengdu, China.
• Ann. Med. 2024 Dec 1; 56 (1): 23902002390200.

BackgroundLung cancer has maintained a high prevalence and mortality. Besides, venous thromboembolism (VTE) is the third most common disease of cardiovascular disease. Lung cancer with VTE usually influenced the overall survival in the follow-up. In the development of lung cancer, vigilance against and early diagnosis of VTE is of significance.MethodsWe searched the databases of PubMed, Web of Science, Embase and Cochrane for related research up to 30 November 2023 and extracted information of incidence, odds ratio (OR), hazard ratio (HR) and their 95% confidence intervals (CIs), for evaluating the incidence of VTE and its risk factors.ResultsA total of 54 articles and 873,292 records were included in our study. The pooled incidences of VTE and PE were 6% and 3%, respectively. Subgroup analysis revealed that the tumour, node and metastasis (TNM) stage (HR= 5.43, 95% CI: 2.42, 12.22), metastasis (HR= 2.67, 95% CI: 1.35, 5.29) and chemotherapy (HR= 2.27, 95% CI: 1.11, 4.65) had major influence on VTE occurrence.ConclusionsLung cancer complicated with VTE is unignorable, and its occurrence varies widely by tumour staging, tissue type and treatment. The results may aid in clinical decision-making about lung cancer in higher risk with VTE and weather receiving anticoagulant prophylaxis.

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