The investigator aims to prospectively enroll patients who were referred for transthorcic echocardiography (TTE) for the assessment of stable chest pain (SCP) suspected of obstructive coronary artery disease (CAD). All patients underwent TTE according to established guidelines and local institutional protocols. This study will determine if TTE-based imaging evaluation can provide more informaton to improve clinical management for SCP, including fewer MACE and better decision-making of downstream investigations and therapeutic interventions.
symptomatic patients with SCP suspected of obstructive CAD.
referred for TTE for the assessment of SCP.
≥18 years of age.
signed informed consent.
acute coronary syndromes
previous CAD or coronary revascularization
nonsinus rhythm
cardiomyopathy, valvular disease, congenital heart disease or left cardiac insufficiency because of other reasons
Patients who were referred for TTE for the assessment of SCP suspected of CAD.
Cohort
Prospective
TTE
Diagnostic testAll patients underwent TTE according to established guidelines and local institutional protocols. The imaging data were evaluated using different image post-processing software to comprehensively analyse anatomical, functional and histological information of coronary.
Major adverse cardiovascular events
Invasive coronary angiography
Invasive coronary angiography occurred at follow-up after TTE, attributed to TTE results or unplanned.
Medication prescription
Change for medication prescription of antiplatelet agents, anti-ischemic drugs, lipid-lowering agents, angiotensin-converting enzyme inhibition and so on, attributed to TTE results or unplanned,
Coronary revascularization
PTCA, PCI or CABG occurred at follow-up after TTE, attributed to TTE results or unplanned.
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