Prevalence of deep venous thrombosis detected by ultrasonography before surgery in patients with gastric cancer: a retrospective study of 1140 consecutive patients

摘要

Background The prevalence of deep venous thrombosis (DVT) in patients with gastric cancer before surgery is unknown. This study aimed to clarify the risk factors for DVT of the lower extremities in patients with gastric cancer before surgery and to evaluate the usefulness of ultrasonographic screening for prevention of postoperative pulmonary thromboembolism (PTE).