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Related Concept Videos

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Related Experiment Video

Updated: Apr 23, 2026

Echocardiographic Evaluation of Atrial Communications before Transcatheter Closure
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Left atrial dissection: an almost unknown entity.

Shinichi Fukuhara1, Kamellia R Dimitrova2, Charles M Geller2

  • 1Division of Cardiac Surgery, Beth Israel Medical Center, New York, NY, USA shin922@gmail.com.

Interactive Cardiovascular and Thoracic Surgery
|September 28, 2014
PubMed
Summary

Left atrial dissection, a rare cardiac surgery complication, can cause severe hemodynamic compromise requiring urgent surgery. Non-operative management is an option for stable patients.

Keywords:
Left atrial dissectionMitral valve surgeryTransoesophageal echocardiography

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Area of Science:

  • Cardiology
  • Cardiac Surgery
  • Vascular Biology

Background:

  • Left atrial dissection is a rare but life-threatening complication following cardiac surgery.
  • It is most frequently linked to mitral valve procedures, with an incidence of 0.16%.

Purpose of the Study:

  • To review the incidence, pathogenesis, clinical course, management, and outcomes of left atrial dissection.
  • To provide a comprehensive understanding of this rare clinical entity.

Main Methods:

  • Literature review of case reports and studies on left atrial dissection.
  • Analysis of reported incidence, predisposing factors, and clinical presentations.
  • Evaluation of management strategies and patient outcomes.

Main Results:

  • Dissection forms a cavity between left atrial layers, leading to hemodynamic compromise.
  • Presentation timing varies widely, from immediate post-surgery to 20 years later.
  • Hemodynamically unstable cases typically require immediate surgical intervention.

Conclusions:

  • Left atrial dissection is a rare but significant complication of cardiac procedures.
  • Management depends on hemodynamic stability, with surgery for instability and non-operative approaches for stable patients.
  • Further research can improve understanding and treatment of this condition.