alexa Provocation of coronary spasm with ergonovine maleate. New test with results in 57 patients undergoing coronary arteriography.
Medicine

Medicine

Anatomy & Physiology: Current Research

Author(s): Schroeder JS, Bolen JL, Quint RA, Clark DA, Hayden WG,

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Abstract Ergonovine maleate (Ergotrate) was given to 57 patients undergoing coronary arteriography for investigation of angina occurring at rest or without provocation when routine study showed normal arteries or insufficient occlusive disease to explain their symptoms. This provocative test induced coronary arterial spasm in 13 patients, 10 of whom had definite Prinzmetal's angina. The spasm was easily reversed with sublingually administered nitroglycerin. The spasm was occlusive or nearly occlusive in nine patients, and there was associated reproduction of the chest pain and S-T elevation similar to the spontaneous episodes. One patient with Prinzmetal's angina had S-T depression rather than elevation in association with the chest pain. The other three patients without Prinzmetal's angina had focal narrowing without coronary occlusion, reproduction of the chest pain or electrocardiographic changes. Of the 44 patients who did not demonstrate coronary spasm in response to ergonovine, 29 had normal coronary arteries and 15 had various degrees of atherosclerotic occlusive disease. We conclude that cautious administration of ergonovine maleate during coronary arteriography can be safely used to elicit coronary spasm in some patients who have insufficient fixed occlusive disease to explain their symptoms.
This article was published in Am J Cardiol and referenced in Anatomy & Physiology: Current Research

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