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Published on: June 28, 2019
Coronary Flow Velocity Reserve Assessment with Transthoracic Doppler Echocardiography
1National Cardiology Hospital, Sofia, Bulgaria.
Insights
Coronary flow velocity reserve (CFVR) measured non-invasively by Doppler echocardiography assesses coronary artery disease. This valuable tool aids in diagnosing microvascular dysfunction and evaluating coronary lesions, offering prognostic insights.
Area of Science:
- Cardiovascular Medicine
- Diagnostic Imaging
- Physiology
Background:
- Coronary flow velocity reserve (CFVR) is a key indicator of coronary atherosclerotic burden, endothelial function, and microvascular health.
- Non-invasive measurement via transthoracic Doppler echocardiography is feasible, reliable, and reproducible.
- Standardized protocols with vasodilatory stimuli enhance CFVR assessment.
Purpose of the Study:
- To highlight the utility of CFVR measurement in clinical practice.
- To establish CFVR as a diagnostic tool for coronary microvascular dysfunction.
- To assess the role of CFVR in evaluating epicardial coronary artery stenoses and guiding patient follow-up.
Main Methods:
- Utilizing transthoracic Doppler echocardiography for CFVR measurement.
- Employing standardized protocols with vasodilatory agents.
- Comparing CFVR with established methods for assessing coronary artery disease.
Main Results:
- CFVR measurement is a recommended complement to vasodilator stress echocardiography.
- CFVR serves as a diagnostic tool for coronary microvascular dysfunction.
- CFVR aids in assessing the functional significance of coronary lesions and patient prognosis.
Conclusions:
- Non-invasive CFVR assessment is a valuable, reliable, and reproducible method.
- CFVR measurement offers significant diagnostic and prognostic information in various cardiovascular conditions.
- CFVR is crucial for managing patients with coronary artery disease, including post-intervention follow-up.
Abstract:
Coronary flow velocity reserve (CFVR) reflects global coronary atherosclerotic burden, endothelial function and state of the microvasculature. It could be measured using transthoracic Doppler echocardiography in a non-invasive, feasible, reliable and reproducible fashion, following a standardised protocol with different vasodilatory stimuli. CFVR measurement is a recommended complement to vasodilator stress echocardiography. It could serve as a diagnostic tool for coronary microvascular dysfunction and in the setting of epicardial coronary artery stenoses could help in identification and assessment of functional significance of coronary lesions and follow-up of patients after coronary interventions. CFVR has also a prognostic significance in different clinical situations.
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