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Milking-Like Effect as the First Clue of Left Ventricular Free Wall Rupture

Teresa Bastante1, Fernando Rivero1, Javier Cuesta1

  • 1Department of Cardiology, Hospital Universitario de La Princesa, Madrid, Spain.

The Canadian Journal of Cardiology
|April 17, 2016
PubMed

Insights

Left ventricular free wall rupture (FWR) is a rare complication after acute myocardial infarction (AMI). A coronary milking-like effect may indicate a high risk for this deadly mechanical complication.

Area of Science:

  • Cardiology
  • Cardiac Surgery
  • Interventional Cardiology

Background:

  • Left ventricular free wall rupture (FWR) is a rare but life-threatening complication following acute myocardial infarction (AMI).
  • The coronary "milking-like" effect has been associated with ventricular aneurysms but not previously with FWR.

Observation:

  • Two patients with AMI presented with a coronary milking-like effect in the infarct-related artery during primary percutaneous coronary intervention.
  • Both patients subsequently developed left ventricular FWR and unfortunately died.

Findings:

  • The coronary milking-like effect observed in the infarct-related artery may serve as a predictor of impending left ventricular free wall rupture.
  • This finding suggests a potential new diagnostic marker for identifying high-risk patients post-AMI.

Implications:

  • Early identification of the coronary milking-like effect could prompt closer monitoring and potentially more aggressive management strategies for high-risk AMI patients.
  • Further research is warranted to validate this observation and explore its mechanistic link to FWR.
  • This highlights the importance of recognizing subtle angiographic findings in predicting severe mechanical complications after AMI.

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