Does Early Re-administration of Aspirin/Clopidogrel Increase the Risk of Bleeding From Artificial Ulcer After EMR or ESD?
- Patients who have taken aspirin and/or clopidogrel for cardiovascular and/or
cerebrovascular disease and are found to have early gastric cancer or premalignant
lesions including adenoma and dysplasia by upper endoscopy.
- Patients with known coagulopathy or abnormal coagulation tests (prothrombin time,
partial thromboplastin time and platelet count)
- Patients receiving other antithrombotic, anticoagulant drugs
- Patients needing continuation of nonsteroidal anti-inflammatory drugs,
cyclooxygenase-2 (COX-2) inhibitors, or steroid after EMR/ESD
- Patient with recent percutaneous coronary intervention (placement of drug eluting
coronary artery stent within 12 months, bare metal coronary artery stents within 1
- Patient's age > 80 year-old or < 18 year-old
- Patient with severe cardiovascular, pulmonary, hepatic, or renal disease