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Collateral Circulation in Health and Disease
TRAVIS WINSOR, M.D.;
J. HOWARD PAYNE, M.D.;
NORMAN RUDY, M.D.;
JOHN O. BEATTY, M.D.
AMA Arch Surg. 1957;74(1):20-28.
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The present studies were carried out because of a need for a better understanding of the functional capacity of the collateral circulation in health and in disease. Aortography has been an important method of obtaining anatomic evidence of the collateral circulation1; however, little attention has been paid to its functional effects. As the presence of collateral circulation is at times highly important and may be the only circulation sustaining a limb, it would be desirable, if possible, to measure the degree of collateral circulation to a limb. The present studies were carried out to determine (1) if measurements of the circulation through major and collateral channels could be made and (2) differences in the amount of collateral circulation in normal subjects and in patients with arteriosclerosis obliterans.
Methods and Materials
Two plethysmographic methods were employed: I. The first compared the volume (height) of the pulsation of a digit with
. . . [Full Text PDF of this Article]
Author Affiliations
Los Angeles
From the Heart Research Foundation and Foundation for Surgical Research, Hospital of the Good Samaritan, and the Departments of Medicine and Surgery, University of Southern California Medical School.
Footnotes
Presented at the Fourth Scientific Meeting of the International Society of Angiology, Chicago, June 9, 1956.
Cora Lord provided technical assistance, and Jean Garbe and Sally Cody provided secretarial help.
These studies were carried out in part by grants from the Los Angeles and Ventura County Heart Associations and the Eva Kenoffel Funds.
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