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Jul 27, 2022 · Learn what collateral circulation is, how it works, and where it occurs in your body. Find out how it can help or hurt you in various health conditions that affect blood flow.
Collateral circulation is the alternate circulation around a blocked artery or vein via another path, such as nearby minor vessels.
The cerebral collateral circulation refers to the subsidiary network of vascular channels that stabilize cerebral blood flow when principal conduits fail. Arterial insufficiency due to thromboembolism, hemodynamic compromise, or a combination of these factors may lead to the recruitment of collaterals.
Jul 10, 2014 · The collateral circulation is a network of specialized endogenous bypass vessels that is present in most tissues and provides protection against ischemic injury caused by ischemic stroke, coronary atherosclerosis, peripheral artery disease, and other conditions and diseases.
Jun 4, 2013 · These vessels provide an alternative source of blood supply to the myocardium in cases of occlusive coronary artery disease. The relevance of these collateral arteries is a matter of ongoing debate, but increasing evidence indicates a relevant protective role in patients with coronary artery disease.
Jun 14, 2011 · Despite these limitations, for someone seeking additional information in this field, this volume focuses important issues associated with arteriogenesis and the collateral circulation and provides an introduction to both the history and progression of thought in this important subject.
Jan 7, 2014 · The coronary collateral circulation protects the heart from myocardial ischaemia, and is associated with improved survival in patients with coronary artery disease.
