Short- and long-term prognostic value of graded exercise testing soon after myocardial infarction

L. F. Hamm, G. A. Stull, Barbara Ainsworth, R. C. Serfass, D. R. Wolfe

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

We attempted to determine whether graded exercise testing (GXT) soon after a myocardial infarction (MI) using an unlimited metabolic equivalent (MET) level and target heart rate (HR) of 90% of the age-predicted maximal HR 1) is a safe procedure and 2) yields prognostic results different from tests that use lower level end points. We administered GXT to a random sample of 85 patients at a mean of 14.8 days post-MI. End points that included ST-segment depression (STD), angina pectoris (AP), ventricular ectopic activity, and achieved MET level during testing were evaluated as predictors of cardiac events that include death, recurrent nonfatal MI, and coronary artery bypass graft surgery. We conducted short-term follow-up monitoring for one year after the initial MI and long-term follow-up monitoring for a mean of 864.7 days. No serious complications occurred during testing. Angina pectoris, STD accompanied by AP, and achieved MET level were predictive (p<.05) of future fatal and nonfatal cardiac events during the first year of follow-up monitoring. Fifty-nine percent of the patients with AP suffered a subsequent cardiac event within one year, whereas only 17% of those without AP experienced another cardiac event. Sixty-seven percent of the patients with both STD and AP had a subsequent cardiac event one year, but only 22% of those without AP and STD had a subsequent cardiac event. For the long-term follow-up monitoring, the presence of AP and a low achieved MET level during testing were associated with subsequent cardiac events. Sixty-four percent of the patients with AP during GXT had a subsequent cardiac event, whereas only 35% of those without AP during the GXT experienced another cardiac event. We concluded that GXT administered soon after an MI is safe and that the presence of AP, with or without STD, and a low achieved MET level during testing help to identify patients having an increased risk of experiencing cardiac morbidity and mortality.

Original languageEnglish (US)
Pages (from-to)334-339
Number of pages6
JournalPhysical Therapy
Volume66
Issue number3
StatePublished - 1986
Externally publishedYes

Fingerprint

Angina Pectoris
Myocardial Infarction
Exercise
Metabolic Equivalent
Heart Rate
Coronary Artery Bypass
Morbidity
Transplants

ASJC Scopus subject areas

  • Physical Therapy, Sports Therapy and Rehabilitation
  • Health Professions(all)
  • Orthopedics and Sports Medicine

Cite this

Hamm, L. F., Stull, G. A., Ainsworth, B., Serfass, R. C., & Wolfe, D. R. (1986). Short- and long-term prognostic value of graded exercise testing soon after myocardial infarction. Physical Therapy, 66(3), 334-339.

Short- and long-term prognostic value of graded exercise testing soon after myocardial infarction. / Hamm, L. F.; Stull, G. A.; Ainsworth, Barbara; Serfass, R. C.; Wolfe, D. R.

In: Physical Therapy, Vol. 66, No. 3, 1986, p. 334-339.

Research output: Contribution to journalArticle

Hamm, LF, Stull, GA, Ainsworth, B, Serfass, RC & Wolfe, DR 1986, 'Short- and long-term prognostic value of graded exercise testing soon after myocardial infarction', Physical Therapy, vol. 66, no. 3, pp. 334-339.
Hamm LF, Stull GA, Ainsworth B, Serfass RC, Wolfe DR. Short- and long-term prognostic value of graded exercise testing soon after myocardial infarction. Physical Therapy. 1986;66(3):334-339.
Hamm, L. F. ; Stull, G. A. ; Ainsworth, Barbara ; Serfass, R. C. ; Wolfe, D. R. / Short- and long-term prognostic value of graded exercise testing soon after myocardial infarction. In: Physical Therapy. 1986 ; Vol. 66, No. 3. pp. 334-339.
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