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In Vivo Quantitative Assessment of Myocardial Structure, Function, Perfusion and Viability Using Cardiac Micro-computed Tomography
08:13

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Published on: February 16, 2016

Reperfusion assessment using myocardial contrast echocardiography in patients with ST-segment elevation acute

Michael L Main1, Lisa L Kusnetzky, Drusilla Dillon

  • 1Mid America Heart Institute, Kansas City, Missouri 64111, USA. mmain@cc-pc.com

The American Journal of Cardiology
|May 29, 2004
PubMed

Insights

Myocardial contrast echocardiography can assess reperfusion after heart attack. It helps identify patients needing further treatment like rescue angioplasty.

Area of Science:

  • Cardiology
  • Medical Imaging

Background:

  • ST-segment elevation acute myocardial infarction (STEMI) requires prompt reperfusion.
  • Assessing reperfusion adequacy is crucial for patient outcomes.

Purpose of the Study:

  • To evaluate myocardial contrast echocardiography (MCE) for assessing myocardial perfusion after STEMI.
  • To determine if MCE can predict final infarct size and guide treatment.

Main Methods:

  • 29 STEMI patients underwent MCE before coronary angiography.
  • A continuous infusion of microbubbles and low mechanical index real-time imaging were used.
  • Perfusion defects were assessed at presentation.

Main Results:

  • Patients with transmural perfusion defects on MCE had significantly larger infarcts.
  • Peak creatine phosphokinase-MB fraction was higher in patients with initial perfusion defects.

Conclusions:

  • MCE is a valuable tool for assessing reperfusion after thrombolytic therapy in STEMI patients.
  • MCE findings can aid in selecting patients for adjunctive treatments like rescue angioplasty.

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