ONLINE Ph.D DISSERTATION INFORMATION The Ph.D Dissertation title: “Clinical application of intravascular ultrasound in coronary artery disease diagnosis and interventions” Specialty: Internal medicine-Cardiology Code: 62.72.20.15 The Ph.D candidate: Hoang Van Sy Supervisor: Associate Professor Vo Thanh Nhan Educational institution: The University of Medicine and Pharmacy at Ho Chi Minh City SUMMARY OF NEW FINDINGS: This intravascular ultrasound study (IVUS) enrolled 215 patients with 261 angiographic intermediate coronary artery stenosis, the results showed that: Intravascular ultrasound detected calcified lesions more than coronary angiography, 34.5% vs 8,4%, respectively, with p