Feasibility of PCI Using a 7-Fr Thin-Walled Sheath Via the DRA

Inclusion Criteria: * Patients, ≥ 19 years of age, who were diagnosed with ischemic heart disease requiring percutaneous coronary intervention (PCI) * Patients who are palpable distal radial artery * The decision to participate voluntarily in this study and the written consent of the patient * Patients who planned to perform PCI using a 7-Fr thin-walled sheath Exclusion Criteria: * Patients who are not palpable distal radial artery * Female of childbearing potential, who possibly plans to become pregnant any time after enrollment into this study * Pregnancy * Patients who are not appropriate for this study