Table 1 Causes of bleeding tendency in patients in this study
Cause | Definition |
|---|---|
Antiplatelet | |
Acetylsalicylic acid (ASA) | Within 7 days before operation |
Clopidogrel | Within 5 days before operation |
Anticoagulant | |
Warfarin | Within 5 days before operation |
Enoxaparin | Within 12 h before operation |
Rivaroxaban, Apixaban, Dabigatran | Within 3 days before operation |
Thrombocytopenia | Platelet count < 140,000/mL |
Coagulopathy | |
Prolonged thrombin time (TT) | > 14 s |
Prolonged partial thromboplastin time (PTT) | > 35 s |
Prolonged prothrombin time (PT) | > 13.5 s |
Prolonged PT-international normalized ratio | > 1.2 |