DXR Stent for Vascular Healing and Thrombus Formation: OCT Study

Exclusion Criteria

• •1. Patient
• •* Inability to provide written informed consent
• •* Serious comorbidity which may affect the trial by decision of investigators
• •* Prior CABG to target vessel
• •* Congestive heart failure with NYHA Class III or IV or left ventricular ejection fraction less than 30%
• •* Prior ST elevation myocardial infarction within 72 hours from the procedure
• •* Hemodynamic or electrical instability including shock
• •* Serious coronary artery spasm, unrelated to catheter
• •* Pregnancy or possible pregnant status
• •* Allergy to iodinated contrast agent
• •* Serum creatinine \>=1.7 mg/dL or creatinine clearance \<= 30 ml/min
• •* ST elevation myocardial infarction
• •2. Angiographic (OCT)
• •* Left main disease
• •* Severely calcified lesion
• •* Severely tortuous, or TIMI flow grade 0 or 1 by angiography, or inappropriate for OCT procedure by investigators' decision