The Coronary Collateral Circulation
- RICHARD H. HELFANT, M.D., F.A.C.P.; and
- RICHARD GORLIN, M.D., F.A.C.P.
- Division of Cardiology, Presbyterian-University of Pennsylvania Medical Center, Philadelphia, Pa.
- Cardiovascular Division, Peter Bent Brigham Hospital, Boston, Mass.
Excerpt
The widespread use of coronary arteriography and revascularization surgery has stimulated interest in the coronary collateral circulation. It is now generally accepted that collaterals are congenitally determined channels; however, after more than 3 decades of study, the factors that stimulate their function and the degree to which collaterals protect patients with coronary artery disease remain controversial. It is pertinent and timely to examine the current knowledge of collateral formation and function.
FACTORS THAT PROMOTE CORONARY COLLATERAL FUNCTION Physical Activity: With progressive increases in physical fitness, the patient with angina pectoris develops a progressive increase in exercise tolerance, and a given
This 100-word excerpt has been provided in the absence of an abstract.
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