Actively Recruiting
Studying Bleeding Risk During EGD and Colonoscopy in Patients Taking Antithrombotic Drugs
Led by Showa Inan General Hospital · Updated on 2025-05-15
10000
Participants Needed
1
Research Sites
N/A
Total Duration
AI-Summary
What this Trial Is About
Researchers are studying the bleeding rates after upper and lower gastrointestinal endoscopy procedures, including biopsies and polypectomies, in patients who continue to take antithrombotic medications. The study focuses on bleeding events that require endoscopic treatments such as hemostatic clipping. Immediate bleeding is defined as spurting or oozing lasting more than 30 seconds, while delayed bleeding occurs within two weeks after the procedure. The procedures studied include biopsy, cold or hot snare polypectomy, and endoscopic mucosal resection EMR. Patients do not receive preventive clipping after biopsies or polypectomies. The study also examines the rate of injured submucosal arteries in tissue samples when bleeding occurs. Participants will be monitored for up to 10 years to track rates of delayed and immediate bleeding and the number of clips used during treatment. This observational study involves regular assessments of bleeding complications related to endoscopic procedures while patients continue their antithrombotic therapy.
CONDITIONS
Brief Title
Bleeding Rate After EGD and Colonoscopy in Patients Who Continue to Take Antithrombotic Agents
Research Team
A
Akira Horiuchi, MD
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