Key result
Pulsed Doppler echocardiography detects left atrial filling obstruction caused by a thoracic aortic aneurysm.
Why the study?
Extrinsic compression of the left atrium by a large descending thoracic aortic aneurysm and its echocardiographic features are not well described.
Pulsed Doppler echocardiography can identify obstruction of left atrial filling due to extrinsic compression by a descending thoracic aortic aneurysm.
Case report of Doppler detection of aneurysm-related LA obstruction; hypothesis-generating and should not yet change practice.
We describe the echocardiographic findings of extrinsic compression of the left atrium by a large aneurysm of the descending aorta. Pulsed Doppler echocardiography demonstrated increased velocity at the junction of left atrium and pulmonary vein suggesting obstruction of left atrial filling.
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Sadaniantz et al. (1994) studied this question. Pulsed Doppler echocardiography revealed left atrial filling obstruction from a large descending thoracic aortic aneurysm by demonstrating increased velocity at the pulmonary vein junction.
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