MARSHALL FRANKLIN, M.D.
FRANKLIN M. Coronary Collaterals. Ann Intern Med. 1971;74:147. doi: 10.7326/0003-4819-74-1-147_1
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Published: Ann Intern Med. 1971;74(1):147.
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To the editor: I am writing you concerning the article in your August 1970 issue entitled "Coronary Atherosclerosis, Coronary Collaterals, and Their Relation to Cardiac Function" by Drs. Richard H. Helfant, Harvey G. Kemp, and Richard Gorlin. It is my opinion that their article, as written, was well studied and well performed; however, I do feel certain additive "notations" should be made.
1. Appropriate Timing of Collateralization: In order for collaterals to protect myocardial integrity, they must form before the vessel that receives them (recipient vessel) totally occludes.
2. Adequacy of Collateralization: If a collateral vessel is only partially formed
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