The restoration of blood flow to tissues or organs that have lost their blood supply, typically through surgical procedures like bypass grafts or angioplasty. This process can occur naturally through collateral circulation or be achieved medically.
From Latin 're-' meaning 'again' + 'vasculum' meaning 'small vessel' + '-ization.' The term emerged in the mid-20th century with advances in cardiac surgery and the development of techniques to restore circulation to ischemic tissues.
The heart is so good at revascularization that it can literally grow new blood vessels around blocked arteries! This natural bypass system, called collateral circulation, can sometimes provide enough blood flow that people don't even know they have severe coronary artery disease.
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