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Myocardial Ischemia Caused by Distal Coronary-Artery Constriction in Stable Angina Pectoris

1990; Massachusetts Medical Society; Volume: 323; Issue: 8 Linguagem: Inglês

10.1056/nejm199008233230804

1533-4406

Giuseppe Pupita, Attilio Maseri, Juan Carlos Kaski, Alfredo R. Galassi, Stavros Gavrielides, Graham Davies, Filippo Crea,

Cardiomyopathy and Myosin Studies

In patients with stable coronary artery disease, the ischemic threshold for the production of effort-related angina is often quite variable. Although this feature is commonly attributed to changes in the caliber of coronary arteries at the site of stenosis, it could also be caused by the constriction of distal vessels, collateral vessels, or both.