Comparative sensitivity of exercise, cold pressor and ergonovine testing in provoking attacks of variant angina in patients with active disease

D. D. Waters, J. Szlachcic, R. Bonan, Donald D Miller, F. Dauwe, P. Theroux

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Abstract

Exercise, ergonovine and the cold pressor test have been used to provide variant angina attacks. The sensitivity of these three tests were compared in 34 hospitalized patients with well documented, active variant angina who had recently undergone coronary arteriography. The three tests were usually performed on three consecutive days, and 28 of the 34 had the three tests within 1 week. Angina was provoked by ergonovine in all 34 patients, by exercise in 17 and by the cold pressor test in only five (p < 0.005). ST elevation developed during the ergonovine test in 32 (94%), during exercise in 10 (29%) and during the cold pressor test in only three (9%). With ergonovine, one patient had only ST depression and one had no ECG changes. During the cold pressor test two patients had pseudonormalization of abnormally negative T waves and 29 had no ECG changes. Exercise induced T-wave pseudonormalization in four patients, ST depression in nine others and no ECG changes in 11. ST elevation was more frequent with ergonovine than with either of the other tests (p < 0.0001). ST elevation or T-wave pseudonormalization occurred more often with exercise than with cold (p < 0.05), but both occurred less often than with ergonovine (p < 0.0001). We conclude that the sensitivity of the ergonovine test is very high in patients with active variant angina and that exercise will provoke angina with ST elevation in about 30% of these cases. In contrast, the sensitivity of the cold pressor test is too low to be of much clinical value in the diagnosis of variant angina.

Original languageEnglish (US)
Pages (from-to)310-315
Number of pages6
JournalUnknown Journal
Volume67
Issue number2
DOIs
StatePublished - Jan 1 1983
Externally publishedYes

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Ergonovine
Exercise
Disease
Electrocardiography
Angiography

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine
  • Physiology (medical)

Cite this

Comparative sensitivity of exercise, cold pressor and ergonovine testing in provoking attacks of variant angina in patients with active disease. / Waters, D. D.; Szlachcic, J.; Bonan, R.; Miller, Donald D; Dauwe, F.; Theroux, P.

In: Unknown Journal, Vol. 67, No. 2, 01.01.1983, p. 310-315.

Research output: Contribution to journalArticle

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abstract = "Exercise, ergonovine and the cold pressor test have been used to provide variant angina attacks. The sensitivity of these three tests were compared in 34 hospitalized patients with well documented, active variant angina who had recently undergone coronary arteriography. The three tests were usually performed on three consecutive days, and 28 of the 34 had the three tests within 1 week. Angina was provoked by ergonovine in all 34 patients, by exercise in 17 and by the cold pressor test in only five (p < 0.005). ST elevation developed during the ergonovine test in 32 (94{\%}), during exercise in 10 (29{\%}) and during the cold pressor test in only three (9{\%}). With ergonovine, one patient had only ST depression and one had no ECG changes. During the cold pressor test two patients had pseudonormalization of abnormally negative T waves and 29 had no ECG changes. Exercise induced T-wave pseudonormalization in four patients, ST depression in nine others and no ECG changes in 11. ST elevation was more frequent with ergonovine than with either of the other tests (p < 0.0001). ST elevation or T-wave pseudonormalization occurred more often with exercise than with cold (p < 0.05), but both occurred less often than with ergonovine (p < 0.0001). We conclude that the sensitivity of the ergonovine test is very high in patients with active variant angina and that exercise will provoke angina with ST elevation in about 30{\%} of these cases. In contrast, the sensitivity of the cold pressor test is too low to be of much clinical value in the diagnosis of variant angina.",
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N2 - Exercise, ergonovine and the cold pressor test have been used to provide variant angina attacks. The sensitivity of these three tests were compared in 34 hospitalized patients with well documented, active variant angina who had recently undergone coronary arteriography. The three tests were usually performed on three consecutive days, and 28 of the 34 had the three tests within 1 week. Angina was provoked by ergonovine in all 34 patients, by exercise in 17 and by the cold pressor test in only five (p < 0.005). ST elevation developed during the ergonovine test in 32 (94%), during exercise in 10 (29%) and during the cold pressor test in only three (9%). With ergonovine, one patient had only ST depression and one had no ECG changes. During the cold pressor test two patients had pseudonormalization of abnormally negative T waves and 29 had no ECG changes. Exercise induced T-wave pseudonormalization in four patients, ST depression in nine others and no ECG changes in 11. ST elevation was more frequent with ergonovine than with either of the other tests (p < 0.0001). ST elevation or T-wave pseudonormalization occurred more often with exercise than with cold (p < 0.05), but both occurred less often than with ergonovine (p < 0.0001). We conclude that the sensitivity of the ergonovine test is very high in patients with active variant angina and that exercise will provoke angina with ST elevation in about 30% of these cases. In contrast, the sensitivity of the cold pressor test is too low to be of much clinical value in the diagnosis of variant angina.

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