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Free-hand four-dimensional echocardiography: a diagnostic tool in coronary artery disease
Alexander P Bock1, Angela Genov, Rainer J Zotz
1Department of Internal Medicine/Cardiology, Leipzig University Heart Center, Germany.
Insights
Freehand four-dimensional echocardiography successfully visualized coronary artery stenosis and plaque in a patient. This innovative ultrasound approach showed good agreement with traditional angiography, paving the way for further research.
Area of Science:
- Cardiovascular Imaging
- Medical Ultrasound Technology
- Interventional Cardiology
Background:
- Direct visualization of coronary arteries using echocardiography presents significant technical challenges.
- Ultrasound access to coronary arteries is often limited, hindering detailed assessment.
- Accurate imaging of coronary artery stenosis and plaque is crucial for patient management.
Observation:
- A 79-year-old patient with trifurcational stenosis was evaluated using freehand four-dimensional echocardiography.
- The technique allowed for the identification of a 6 x 11 mm subintimal atheromatous plaque.
- Measurements of the left descending coronary artery diameter were taken before, within, and after the stenosis.
Findings:
- Freehand four-dimensional echocardiography provided direct visualization of coronary artery anatomy and pathology.
- The echocardiographic measurements of the left descending coronary artery demonstrated good agreement with angiographic findings.
- This method enabled the characterization of plaque morphology and its impact on vessel diameter.
Implications:
- This study demonstrates the potential of freehand four-dimensional echocardiography for non-invasive coronary artery assessment.
- The technique offers a promising alternative or adjunct to conventional angiography for evaluating coronary stenosis.
- Further research is warranted to explore the broader clinical applications and refine this advanced echocardiographic approach.
Abstract:
Direct echocardiographic visualization of coronary arteries has been difficult due to the inherent problems involved in obtaining ultrasound access. We used freehand four-dimensional echocardiography in a 79-year-old patient with a trifurcational stenosis. We were able to identify a 6 x 11 mm possibly subintimal atheromathous plaque and to measure the diameters of the left descending coronary artery before, in, and behind the stenosis. There was good agreement with the angiographic measurements. This successful approach may be an argument to motivate further research in this area.