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  • Title: The influence of heparin on coagulation function of patients undergoing video-assisted major thoracic surgery.
    Author: Alai GH, Deng HY, Li G, Luo J, Liu LX, Lin YD.
    Journal: J Thorac Dis; 2018 Apr; 10(4):2288-2294. PubMed ID: 29850133.
    Abstract:
    BACKGROUND: Venous thromboembolism (VTE) remains a common complication after major thoracic surgery, especially resection of lung or esophagus cancer. This trial aims to explore the influence of preoperative usage of heparin on coagulation function of patients treated with video-assisted major thoracic surgery. METHODS: This prospective randomized control trial collected 91 patients who are diagnosed with lung or esophagus cancer intending to accept video-assisted neoplasm resection from June 2016 to May 2017 in West China Hospital, Sichuan University. After admission to hospital, the patients received heparin sodium (unfractionated heparin) 5,000 U twice a day before operation. The change of blood platelet count (PLT), prothrombin time (PT), activated partial thromboplastin time (APTT), thrombin time (TT), fibrinogen (FIB), international normalized ratio (INR) was collected and analyzed at the points of admission to hospital and post-operation. RESULTS: The mean value of all coagulation parameters (PLT, PT, APTT, TT, INR, FIB) were in normal range both before and after operation. Postoperative PLT and FIB were not significantly different from preoperative PLT and FIB respectively (P>0.05). Preoperative PT, APTT, and INR increased significantly compared to pre-operation respectively (P<0.05). Postoperative TT significantly decreased when compared to preoperative TT (P<0.05). Preoperative and postoperative abnormal rate of PT or APTT or TT or INR (number of abnormal cases/all cases) was not different significantly respectively (P>0.05). Postoperative mean drainage was 240 mL/d, mean time of hospital stay was 7.50 days, drainage tube was maintained for 4.22 days on average. CONCLUSIONS: All patients underwent video-assisted major thoracic surgery with preoperative use of heparin, there were significant differences in coagulation function after operation. However, mean values of all coagulation parameters stayed normal range clinically. In a word, the method showed no influence on coagulation function clinically.
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