Coronary collateral circulation: Determination of an anatomical anastomotic index of functional collateral flow capacity

Following coronary artery ligation, retrograde flow and diastolic peripheral coronary pressure are reliable indices of each other and equally dependent on the number and size of interarterial coronary collaterals in accordance with Poiseuille's law. A quantitative anatomic AI has been derived w...

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Bibliographic Details
Published inThe American heart journal Vol. 82; no. 4; pp. 503 - 510
Main Authors Menick, Frederick J., White, Francis C., Bloor, Colin M.
Format Journal Article
LanguageEnglish
Published United States Mosby, Inc 01.10.1971
Subjects
Animals
Blood Pressure
Collateral Circulation
Coronary Vessels - anatomy & histology
Coronary Vessels - physiology
Dogs
Heart Conduction System
Hemodynamics
Mathematics
Methods
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Summary:Following coronary artery ligation, retrograde flow and diastolic peripheral coronary pressure are reliable indices of each other and equally dependent on the number and size of interarterial coronary collaterals in accordance with Poiseuille's law. A quantitative anatomic AI has been derived with the use of Poiseuille's law. The AI for an individual heart represents the size and number of coronary collaterals and significantly correlates with the physiologic indices of coronary collateral development. Thus, the AI can be used as an investigative tool in indirectly assessing the functional significance of coronary collaterals, while conversely, retrograde flow and diastolic peripheral coronary pressure are indirect measurements of the anatomic development of the coronary collateral circulation.
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ISSN:0002-8703
1097-6744
DOI:10.1016/0002-8703(71)90235-3