내시경전 항혈소판제, 항응고제 언제 끊어야 하나? 해리슨 19판 자료 Low-risk endoscopic procedures : EGD, CFS with/without biopsy, EUS without FNA, ERCP with stent exchange High-risk endoscopic procedures : EGD or CFS with dilatation, polypectomy, thermal ablation, PEG, EUS with FNA, ERCP with sphincterotomy or pseudocyst drainage. High-risk for thromboembolism (warfarin 중단 시 Heparin briding therapy 고려) : MVR, AVR with othe..