RICHARD H. HELFANT, M.D., F.A.C.P.; RICHARD GORLIN, M.D., F.A.C.P.
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.
Physical Activity: With progressive increases in physical fitness, the patient with angina pectoris develops a progressive increase in exercise tolerance, and a given
HELFANT RH, GORLIN R. The Coronary Collateral Circulation. Ann Intern Med. ;77:995–997. doi: 10.7326/0003-4819-77-6-995
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Published: Ann Intern Med. 1972;77(6):995-997.
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