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[Left ventricular pseudoaneurysm. The dynamics and flow patterns analyzed by Doppler echocardiography]
F J Chorro Gascó1, M L Martínez Mas, V López Merino
1Servicio de Cardiología, Hospital Clínico Universitario, Valencia.
Insights
This study details a ventricular pseudoaneurysm in a patient with ischemic heart disease. Doppler imaging revealed unique multiphasic blood flow patterns between the left ventricle and the pseudoaneurysm throughout the cardiac cycle.
Area of Science:
- Cardiology
- Medical Imaging
Background:
- A patient with a history of ischemic heart disease presented with an unusual cardiac finding.
- Echocardiography is a key diagnostic tool for evaluating cardiac structures and function.
Observation:
- An accessory cavity, consistent with a ventricular pseudoaneurysm, was identified adjacent to the left ventricle.
- The pseudoaneurysm communicated with the left ventricle, located posteriorly to the basal segment of the left ventricular wall.
Findings:
- Doppler studies demonstrated complex, multiphasic blood flow dynamics between the left ventricle and the pseudoaneurysm.
- Pseudoaneurysm filling initiated before aortic ejection, with emptying occurring in late systole.
- A secondary flow reversal into the pseudoaneurysm was observed during early diastole, preceding atrial contraction.
Implications:
- Understanding these complex flow dynamics is crucial for diagnosing and managing ventricular pseudoaneurysms.
- Echocardiography with Doppler provides detailed insights into the functional characteristics of pseudoaneurysmal flow.
- This case highlights the importance of advanced imaging in identifying rare cardiac pathologies.
Abstract:
A patient with antecedents of ischemic cardiopathy is presented. Echocardiographic exploration revealed the presence of an accessory cavity in connection with the left ventricle behind the basal segment of the posterior left ventricular wall, the characteristics of which were compatible with a ventricular pseudoaneurysm. The Doppler study (both conventional and color coded) allowed us to determine the multiphasic characteristics of the flow between both cavities, and its relation with the variations of volume of the same, as well as with the transmitral and aortic flows. The filling of the pseudoaneurysm was observed to begin before initiation of the ejection through the aorta. Initiation of emptying towards the left ventricular cavity took place in the late systole, and there was a new flow inversion towards the pseudoaneurysm in the early diastole coinciding with the rapid ventricular filling, and therefore before producing the atrial contraction.