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[Acute myocardial infarction with normal coronary angiography: a 46-cases descriptive study]

Youssef Ben Ameur1, Ibtissem Dekhil, Fériel Baraket

  • 1Hôpital Habib Thameur, Service de cardiologie, Montfleury, Tunis, Tunisie.

La Tunisie Medicale
|June 23, 2005
PubMed

Insights

Acute myocardial infarction (AMI) with normal coronary arteries is a distinct clinical entity, often affecting younger patients with fewer risk factors. These patients generally experience a better prognosis and fewer complications compared to those with coronary artery disease.

Area of Science:

  • Cardiology
  • Internal Medicine

Context:

  • Acute myocardial infarction (AMI) typically involves coronary artery blockages.
  • A subset of AMI patients exhibit normal coronary arteries upon angiography.
  • Understanding this subgroup is crucial for accurate diagnosis and management.

Purpose:

  • To investigate the epidemiological, clinical, prognostic, and therapeutic characteristics of AMI with angiographically normal coronary arteries.
  • To compare these features against AMI patients with diagnosed coronary artery disease.

Summary:

  • The study analyzed 46 patients with AMI and normal coronary arteries over 9 years.
  • This condition predominantly affects younger individuals (mean age 47.7) with limited risk factors, primarily smoking.
  • Anterior location AMI was common, with preserved left ventricular function (mean ejection fraction 48.7%) and hypokinesis as the main wall motion abnormality.

Impact:

  • AMI with normal coronary arteries is associated with a better prognosis than AMI with coronary stenosis.
  • Patients experience fewer hemodynamic complications and recurrent ischemic events.
  • Fibrinolysis remains the recommended treatment, highlighting a favorable post-infarction course.

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