this trial aimed to evaluate the stent expansion through intravascular imaging (optical coherence tomography (OCT) \& intravascular ultrasound (IVUS)) among individuals underwent different preparation techniques ,then comparing the efficacy and safety of super high-pressure balloon to IVL in severely calcified lesions
Age > 18 years and < 80 years
Presented as asymptomatic angina, stable angina, unstable angina, prior myocardial infarction (MI), or non-ST-elevation myocardial infarction (NSTEMI).
Have an indication for drug-eluting stent (DES) implantation
Denovo coronary artery calcified lesions
Presented as acute ST-segment elevation myocardial infarction (STEMI), cardiogenic shock and multiple organ failure
Presented as severe contrast agent allergy
Intolerant to dual antiplatelet therapy (DAPT) and/or anticoagulation therapy
Presented as active phase of autoimmune disease