Table 1: Summary of antithrombotic agents and comorbidities of patients treated with ESD under HR.

Patients (%)

Antithrombotic agents
 Warfarin 16 ( )
 Aspirin 11 ( )
 Ticlopidine 9 ( )
 Clopidogrel 4 ( )
 Cilostazol 1 ( )
Comorbidity
 Atrial fibrillation13 ( )
 Ischemic heart disease11 ( )
 Valvular heart disease 5 ( )
 Cerebral infarction 4 ( )
 Pacemaker 2 ( )
 Sick sinus syndrome 1 ( )
 Deep vein thrombus 1 ( )
 Pulmonary infarction 1 ( )