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Related Experiment Videos

Left atrial appendage stenosis.

B Coughlan1, R M Lang, K T Spencer

  • 1Noninvasive Cardiac Imaging Laboratories, Department of Medicine, Section of Cardiology, The University of Chicago, IL 60637, USA.

Journal of the American Society of Echocardiography : Official Publication of the American Society of Echocardiography
|October 8, 1999
PubMed
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Anatomic narrowing at the left atrial appendage opening was observed in a patient without prior cardiac surgery. Echocardiography confirmed this unusual finding, distinct from post-surgical changes.

Area of Science:

  • Cardiology
  • Cardiac Imaging
  • Anatomy

Background:

  • Left atrial appendage (LAA) ligation is a known procedure.
  • Post-ligation LAA narrowing is a documented complication.

Observation:

  • This report details a case of LAA narrowing in a patient with no history of cardiac surgery.
  • The narrowing was located at the ostium (opening) of the LAA.

Findings:

  • 2-dimensional echocardiography visualized the anatomic narrowing.
  • Doppler and color Doppler echocardiography confirmed the obstruction and blood flow characteristics at the LAA opening.

Implications:

  • This finding suggests non-surgical causes of LAA narrowing exist.
  • Further investigation into the etiology and clinical significance of spontaneous LAA narrowing is warranted.

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