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Updated: Jun 2, 2026
04:23
Application of Hemostatic Devices in Laparoscopic Hepatectomy
Published on: April 19, 2022
Basic hemostatic parameters in patients with long-term oral anticoagulation undergoing cholecystectomy
Umit Koc1, Erdal Birol Bostanci, Kerem Karaman
1Department of Gastroenterological Surgery, Turkiye Yuksek Ihtisas Teaching and Research Hospital, Ankara, Turkey.
Summary
Patients on long-term oral anticoagulation therapy face increased postoperative bleeding risk during laparoscopic cholecystectomy. Standard coagulation tests may not predict this bleeding risk effectively.
Area of Science:
- Surgical Oncology
- Anesthesiology
- Hematology
Background:
- Limited data exists on hemostatic changes during laparoscopic cholecystectomy (LC) for patients on oral anticoagulants.
- Chronic oral anticoagulant therapy poses potential risks for surgical procedures like LC.
Purpose of the Study:
- To evaluate hemostatic alterations in patients undergoing LC while on long-term oral anticoagulant treatment.
- To compare postoperative complications in patients on anticoagulation versus a control group.
Main Methods:
- A prospective, nonrandomized study compared 16 patients on warfarin (OAC group) with 15 controls undergoing elective LC.
- Hemostatic parameters and postoperative complications were monitored and compared between groups.
Main Results:
- The OAC group experienced a 31.5% rate of postoperative bleeding, compared to 0% in the control group.
- OAC patients showed significantly lower postoperative hemoglobin levels.
- Elevated international normalized ratio and tissue plasminogen activator activity, with lower coagulation factor levels, were noted in the OAC group.
Conclusions:
- Oral anticoagulant therapy increases the risk of postoperative bleeding after LC.
- Standard coagulation parameters are insufficient for predicting bleeding risk in these patients.
- Development of more sensitive methods is needed to assess hemorrhagic risk.
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