Objective  To study the changes in coagulation function in patients with advanced tumors before and after vascular interventional therapy.

  Methods  A total of 174 patients with middle-late stage tumors undergoing oncology vascular interventional treatment at Beijing Hospital Of Traditional Chinese Medicine Affiliated With Capital Medical University, between January 2018 and October 2018 were included in this retrospective analysis. Changes in platelets (PLT) and related blood coagulation indicators were observed before and after vascular intervention. Among them, 63 patients who received relevant indicators detection within a week after vascular intervention were in group A, and 111 patients who received relevant indicators detection 1 month (30±7 days) after vascular intervention were in group B. SPSS version 22 software was used for statistical analysis.

  Results  In group A, fibrinogen (FIB) and D-dimer (D-D) values significantly increased, activated pattial thromboplastin time(APIT)shortened, and PLT values decreased compared to those before treatment (all P < 0.05). In group B, the FIB, D-D, and prothrombin time (PT) count were lower and the PLT and APTT times were longer (P>0.05) than those before treatment. Before vascular interventional therapy, a total of 58 patients had hypercoagulability, including 28 patients in group A (48.3%) and 30 patients in group B (51.7%). In contrast, after vascular interventional therapy, a total of 71 (40.8%) patients had hypercoagulability, including 40 (56.3%) patients in group A and 31 (43.7%) patients in group B.

  Conclusions  Vascular interventional treatment can affect the related blood clotting index in the short term, which is intensified in patients with middle-late tumors and a high blood coagulation state. However, over time the coagulation state gradually mitigated and eventually returned to before-treatment levels. These findings suggest that patients' coagulation function should be closely monitored after intervention treatment.