Pantel S. Vokonas, M.D.; Richard H. Helfant, M.D.; Richard Gorlin, M.D., F.A.C.P.
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The clinical importance of arteriographically demonstrable collaterals was studied in 61 patients and compared with 58 patients without collaterals. Both groups had significant stenosis (greater than 90%) of one coronary artery with less than 50% stenosis of remaining vessels. A slightly but insignificantly (P < 0.2) higher prevalence of normal resting electrocardiograms occurred in the collaterals group (22 of 61 patients) compared with those without collaterals (16 of 58 patients). However, 26 of 33 subjects with collaterals had a positive two-step exercise test compared with 14 of 29 without collaterals (P < 0.05), and 26 of 37 patients in the
Vokonas PS, Helfant RH, Gorlin R. The Functional Significance of the Human Coronary Collateral Circulation.. Ann Intern Med. ;74:822. doi: 10.7326/0003-4819-74-5-822_4
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Published: Ann Intern Med. 1971;74(5):822.
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Print ISSN: 0003-4819 | Online ISSN: 1539-3704
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