Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Prognostic value of a normal exercise echocardiogram.

S G Sawada1, T Ryan, M J Conley

  • 1Krannert Institute of Cardiology, Department of Medicine, Indiana University School of Medicine, Indianapolis.

American Heart Journal
|July 1, 1990
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Asymmetric analysis reveals novel virus capsid features.

Biophysical reviews·2019
Same author

The effects on ruminal pH and serum haptoglobin after feeding a grain-based supplement to grazing dairy cows as a partial mixed ration or during milking.

Veterinary journal (London, England : 1997)·2015
Same author

The role of stress echocardiography and competing technologies for the diagnostic and prognostic assessment of coronary artery disease.

Minerva cardioangiologica·2009
Same author

Perioperative risk predictors of cardiac outcomes in patients undergoing liver transplantation surgery.

Circulation·2009
Same author

Echocardiographic imaging of technically difficult patients in the intensive care unit: use of optison in combination with fundamental and harmonic imaging.

Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography·2001
Same author

New developments in echocardiography: impact on coronary artery disease.

Japanese circulation journal·2001

A normal exercise echocardiogram predicts an excellent prognosis for coronary artery disease patients, with cardiac events being rare even with abnormal exercise ECGs or reduced exercise capacity.

Area of Science:

  • Cardiology
  • Diagnostic Imaging
  • Preventive Cardiology

Background:

  • Exercise echocardiography is a key tool for diagnosing coronary artery disease (CAD).
  • The prognostic implications of a normal exercise echocardiogram, particularly in conjunction with exercise electrocardiogram (ECG) findings, require further elucidation.
  • Understanding long-term outcomes is crucial for patient management and risk stratification.

Purpose of the Study:

  • To assess the prognostic value of a normal exercise echocardiogram in patients with suspected coronary artery disease.
  • To determine the incidence of cardiac events and need for revascularization following a normal exercise echocardiogram.
  • To evaluate if exercise capacity influences prognosis despite a normal echocardiogram.

Main Methods:

Related Experiment Videos

  • Follow-up of 148 patients with normal resting and exercise echocardiograms.
  • Evaluation of exercise ECG results, exercise capacity (METs, heart rate), and cardiac events over a mean of 28.4 months.
  • Analysis of major adverse cardiac events including myocardial infarction, death, and coronary revascularization.

    • Main Results:

    • Cardiac events were infrequent (6 of 148 patients), occurring primarily in those with limited exercise capacity (<6 METs or <85% predicted heart rate).
    • Coronary revascularization was rarely needed within 28 months post-echocardiography.
    • No deaths occurred; myocardial infarctions were rare (0.85% per year).

    Conclusions:

    • A normal exercise echocardiogram is associated with an excellent long-term prognosis for patients evaluated for coronary artery disease.
    • Good exercise capacity further strengthens the favorable prognosis, even if the exercise ECG is abnormal.
    • Myocardial infarction and death are uncommon outcomes, irrespective of exercise capacity, following a normal exercise echocardiogram.