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Generation and Characterization of Right Ventricular Myocardial Infarction Induced by Permanent Ligation of the Right Coronary Artery in Mice
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Myocardial rupture with left ventricle to coronary sinus communication: an unusual post-infarction mechanical

Enrica Perugini1, Paolo Sbarzaglia, M Giovanna Pallotti

  • 1Department of Cardiology, Ospedale Maggiore, Policlinico S. Orsola, University of Bologna, Italy. e_perugini@hotmail.com

Journal of Cardiovascular Medicine (Hagerstown, Md.)
|February 13, 2008
PubMed

Insights

A rare case of myocardial rupture after heart attack created a connection between the left ventricle and coronary sinus, causing a left-to-right shunt. This unusual complication was diagnosed using echocardiography and cardiac MRI.

Area of Science:

  • Cardiology
  • Cardiovascular Imaging
  • Medical Case Reports

Background:

  • Post-infarction myocardial rupture is a rare but serious mechanical complication following myocardial infarction.
  • Such ruptures can lead to complex intracardiac communications, significantly impacting patient prognosis.

Observation:

  • A case of subacute infero-posterior myocardial infarction in an elderly woman revealed an unusual complication.
  • Transthoracic echocardiography identified high-velocity flow within a dilated coronary sinus, prompting further investigation.

Findings:

  • Cardiac magnetic resonance confirmed a rare communication between the left ventricle and the coronary sinus.
  • This communication resulted in a significant left-to-right shunt, a consequence of myocardial rupture.

Implications:

  • This case highlights the importance of considering myocardial rupture in patients with myocardial infarction presenting with specific echocardiographic findings.
  • Left ventricle to coronary sinus communication is an unusual, yet potentially treatable, mechanical complication of myocardial infarction.
  • Accurate diagnosis via echocardiography and cardiac MRI is crucial for timely management of this rare condition.

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