Regulation of coronary blood flow

Adam G. Goodwill, Gregory M. Dick, Alexander M. Kiel, Johnathan D. Tune

Research output: Contribution to journalArticlepeer-review

142 Scopus citations


The heart is uniquely responsible for providing its own blood supply through the coronary circulation. Regulation of coronary blood flow is quite complex and, after over 100 years of dedicated research, is understood to be dictated through multiple mechanisms that include extravascular compressive forces (tissue pressure), coronary perfusion pressure, myogenic, local metabolic, endothelial as well as neural and hormonal influences. While each of these determinants can have profound influence over myocardial perfusion, largely through effects on end-effector ion channels, these mechanisms collectively modulate coronary vascular resistance and act to ensure that the myocardial requirements for oxygen and substrates are adequately provided by the coronary circulation. The purpose of this series of Comprehensive Physiology is to highlight current knowledge regarding the physiologic regulation of coronary blood flow, with emphasis on functional anatomy and the interplay between the physical and biological determinants of myocardial oxygen delivery.

Original languageEnglish
Pages (from-to)321-382
Number of pages62
JournalComprehensive Physiology
Issue number2
StatePublished - 1 Apr 2017


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