Perbandingan Luaran Klinis Kardiovaskular Mayor Tindakan Intervensi Koroner Perkutan Dengan Provisional Stenting Pada Lesi Arteri Koroner Left Main? Left Anterior Descending Antara Teknik Pencitraan Berbasis Ultrasonografi Intravaskular dan Angiografi = Comparison of Major Adverse Cardiovascular Outcomes of Percutaneous Coronary Intervention with Provisional Stenting in Left Main? Left Anterior Descending Coronary Artery Lesions between Intravascular Ultrasonography and Angiography-Guided