Mental stress as a provocative test in patients with various clinical syndromes of coronary heart disease

G. Specchia, C. Falcone, E. Traversi, M. T. La Rovere, L. Guasti, G. De Micheli, D. Ardissino, S. De Servi

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Abstract

To assess the prevalence of mental stress-induced myocardial ischemia and investigate the pathogenetic mechanisms by which emotional stress may induce myocardial ischemia, we studied 372 patients with angina pectoris who underwent mental arithmetic and exercise stress testings. Hyperventilation tests were also performed in 176 patients, and 340 patients underwent coronary arteriography. Sixty-one patients showed significant ST segment abnormalities during mental arithmetic and exercise stress testings (group 1). Two hundred eleven patients had negative responses to mental stress but positive exercise tests (group 2), whereas both tests were negative in 100 patients (group 3). Mental stress induced significant increases in heart rate and systolic blood pressure in the three groups of patients; however, group 1 patients had higher increases in rate-pressure product (mm Hgxbeats/min) than group 2 and group 3 patients (14,909±3,894 versus 12,985±2,900 versus 12,724±4,400 mm Hgxbeats/min, p

Original languageEnglish
JournalCirculation
Volume83
Issue number4 SUPPL.
Publication statusPublished - 1991

ASJC Scopus subject areas

  • Physiology
  • Cardiology and Cardiovascular Medicine

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