AbstractPneumoperitoneum may be a risk factor for venous thromboembolism. However, nowadays there is no reasonable algorithm for the prevention of thrombotic complications of laparoscopic interventions.The objective of the research was to assess the impact of laparoscopic surgery on coagulation parameters considering the number of other risk factors. The parameters of blood coagulation and thromboelastography in patients during laparoscopic cholecystectomy were investigated.Results. Blood coagulation capacity increased slightly during laparoscopic surgery. The patient’s age, body mass index and duration of surgery correlated with signs of hypercoagulability. Surgery duration had the strongest effect on coagulation parameters. In patients having no risk factors for thrombotic complications the indicators of thromboelastography did not exceeded the reference values. However, in patients with existing risk factors for thrombotic complications thromboelastogram showed significant deviations from the norm.Conclusions. Simple laparoscopic surgery did not significantly affect the risk for thrombotic complications. The age of patients over 40 years, body mass index over 30 kg/m2, duration of laparoscopic surgery more than 1 hour should be included to risk factors for venous thrombosis. Thromboelastography can be used for screening assessment of the risk for thrombotic complications in patients undergoing laparoscopic surgery.
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