Thomas Nickolay
Exercise training as a mediator for enhancing coronary collateral circulation: a review of the evidence.
Nickolay, Thomas; Nichols, Simon; Ingle, Lee; Hoye, Angela
Authors
Simon Nichols
Lee Ingle
Angela Hoye
Abstract
Coronary collateral vessels supply blood to areas of myocardium at risk after arterial occlusion. Flow through these channels is driven by a pressure gradient between the donor and the occluded artery. Concomitant with increased collateral flow is an increase in shear force, a potent stimulus for collateral development (arteriogenesis). Arteriogenesis is self-limiting, often ceasing prematurely when the pressure gradient is reduced by the expanding lumen of the collateral vessel. After the collateral has reached its self-limited maximal conductance, the only way to drive further increases is to re-establish the pressure gradient. During exercise, the myocardial oxygen demand is increased, subsequently increasing coronary flow. Therefore, exercise may represent a means of driving augmented arteriogenesis in patients with stable coronary artery disease. Studies investigating the ability of exercise to drive collateral development in humans are inconsistent. However, these inconsistencies may be due to the heterogeneity of assessment methods used to quantify change. This article summarises current evidence pertaining to the role of exercise in the development of coronary collaterals, highlighting areas of future research.
Citation
NICKOLAY, T., NICHOLS, S., INGLE, L. and HOYE, A. 2020. Exercise training as a mediator for enhancing coronary collateral circulation: a review of the evidence. Current cardiology reviews [online], 16(3), pages 212-220. Available from: http://dx.doi.org/10.2174/1573403X15666190819144336
Journal Article Type | Review |
---|---|
Acceptance Date | Aug 9, 2019 |
Online Publication Date | Aug 19, 2019 |
Publication Date | Sep 30, 2020 |
Deposit Date | Nov 29, 2023 |
Publicly Available Date | Nov 29, 2023 |
Journal | Current cardiology reviews |
Print ISSN | 1573-403X |
Electronic ISSN | 1875-6557 |
Publisher | Bentham Open |
Peer Reviewed | Peer Reviewed |
Volume | 16 |
Issue | 3 |
Pages | 212-220 |
DOI | https://doi.org/10.2174/1573403X15666190819144336 |
Keywords | Coronary artery disease; Exercise; Arterial occlusion; Arteriogenesis |
Public URL | https://rgu-repository.worktribe.com/output/2079738 |
Additional Information | The supplementary material published alongside this article is included at the end of the file. |
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