Atrial pacing in the detection and evaluation of coronary artery disease

European Heart Journal
|December 1, 1986
PubMed

Insights

Atrial pacing with echocardiography offers a safe and effective stress test for diagnosing coronary artery disease and predicting cardiac events in myocardial infarction patients. This method improves upon traditional electrocardiography-based pacing tests.

Area of Science:

  • Cardiology
  • Diagnostic Imaging
  • Cardiovascular Stress Testing

Background:

  • Atrial pacing is being re-evaluated as a stress test for coronary artery disease (CAD).
  • It can serve as a reliable alternative to physical exercise stress, especially with cardiac imaging.
  • Traditional pacing tests have limitations like invasivity and poor electrocardiographic sensitivity.

Purpose of the Study:

  • To assess the utility of atrial pacing combined with two-dimensional echocardiography as a stress test.
  • To detect significant coronary artery disease.
  • To identify patients with myocardial infarction and multivessel disease.
  • To evaluate the impact of coronary artery bypass surgery.

Main Methods:

  • Utilized two-dimensional echocardiography during atrial pacing as a novel stress test.
  • Applied the test in patients with recent myocardial infarction for prognostic information.
  • Assessed patients for significant coronary artery disease and multivessel disease.

Main Results:

  • Atrial pacing with echocardiography effectively detects significant coronary artery disease.
  • Patients with recent myocardial infarction showing ST depression during pacing have a higher risk of major cardiac events.
  • The technique proved useful in identifying multivessel disease and assessing surgical outcomes.

Conclusions:

  • Two-dimensional echocardiography during atrial pacing is a reliable and safe stress test for CAD detection.
  • This method provides valuable prognostic information in patients post-myocardial infarction.
  • It overcomes limitations of traditional pacing tests, offering improved sensitivity and safety.

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