The incidence of venous thromboembolism by type of solid cancer worldwide: A systematic review

There is a well-established relationship between cancer and venous thromboembolism (VTE). Thrombosis in cancer is of major concern as it is a leading cause of mortality, impairs quality of life, and can adversely impact treatment protocols. Despite the role of thrombosis in cancer, no singular source consolidates data on VTE incidence by cancer type worldwide. This systematic review aims to report the incidence of VTE by type of solid cancer worldwide. The current analysis used three databases (MEDLINE, Embase, Cochrane Library) to identify relevant articles. All articles were written in English, assessed solid cancers in adults (≥18; males, females), and reported the incidence of VTE, or information that could be used to calculate incidence. After completing the search and removing duplicates, 3077 articles were assessed. All articles were screened by title and abstract, followed by a full-text review. A total of 124 articles were included in the final evaluation. The cumulative reported incidence of VTE across all types of solid cancer was 9.74 %. The highest reported incidence of VTE was in gastroesophageal cancer (15.43 %), whereas the lowest incidence was in prostate cancer (1.58 %). The two most reported cancers by country within our study cohort were colorectal (n = 23) and lung cancer (n = 23). The reported incidence of VTE in colorectal cancer was highest in Mexico (22.10 %), and lung cancer was highest in Canada (32.91 %). In conclusion, gathering data on global VTE rates in solid cancer identified high-risk cancers and highlighted under-investigated areas that require attention to reduce VTE occurrence in cancer patients.

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Cancer epidemiology, 2025-04-03