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Updated: Sep 3, 2026
Ultrasound Based Assessment of Coronary Artery Flow and Coronary Flow Reserve Using the Pressure Overload Model in Mice
Published on: April 13, 2015
[Non-invasive assessment of coronary flow reserve--valuable functional information in cardiac workflow]
H Lambertz1, H Lethen, H-P Tries
1Abteilung für Kardiologie, Deutsche Klinik für Diagnostik, Aukammallee 33, 65191 Wiesbaden, Germany. lambertz.kardio@dkd-wiesbaden.de
Insights
Echocardiography non-invasively assesses coronary flow reserve (CFR) in the LAD and RCA. This method aids in planning procedures for coronary artery disease and monitoring treatment effectiveness.
Area of Science:
- Cardiovascular Imaging
- Diagnostic Ultrasound
- Non-invasive Cardiology
Background:
- Coronary flow reserve (CFR) is a crucial indicator of myocardial perfusion.
- Traditional methods for CFR assessment can be invasive.
- Non-invasive assessment of CFR is desirable for patient management.
Purpose of the Study:
- To evaluate the feasibility and utility of echocardiography for determining coronary flow reserve (CFR).
- To assess the role of CFR in guiding coronary artery disease management and prognosis.
- To explore the application of CFR measurements in monitoring therapeutic interventions.
Main Methods:
- Utilizing modern high-resolution ultrasound equipment for echocardiographic CFR assessment.
- Employing high-frequency fundamental imaging or echo-contrast enhanced harmonic Doppler technology.
- Correlating echocardiographic CFR findings with coronary morphology from heart catheterization.
Main Results:
- Successful echocardiographic CFR determination in approximately 90% of LAD and over 70% of RCA assessments.
- Demonstrated non-invasiveness and lack of radiation exposure as key advantages.
- CFR measurements proved valuable in planning invasive procedures and estimating prognosis.
Conclusions:
- Echocardiography provides a feasible and non-invasive method for assessing coronary flow reserve (CFR).
- CFR assessment aids in clinical decision-making for coronary artery disease, including procedural planning and prognosis.
- Serial CFR measurements can monitor microcirculatory function and treatment response.
Abstract:
Coronary flow reserve (CFR) can be determined echocardiographically in the LAD in about 90% and in the RCA in more than 70% of patients, respectively, by the use of modern high-resolution ultrasound equipment. For this purpose either high frequency fundamental imaging or echo-contrast enhanced harmonic Doppler technology is used. The main advantage of the method lies in its noninvasiveness and the lack of radiation exposure. In combination with coronary morphologic findings obtained from heart catheterization, CFR is helpful in the planning of further invasive procedures for coronary artery disease and in the estimation of the prognosis of such procedures. The functional status after PTCA of LAD/RCA or mammary bypass surgery can be evaluated during follow-up monitoring. Alteration in the coronary microcirculation can also be discovered in a non-invasive manner; improvement of microcirculatory disorders by adequate therapy can be assessed by serial measurements of CFR
