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| {{SI}}
| | #Redirect [[Coronary collateral arteries]] |
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| {{CMG}}
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| __NOTOC__
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| '''Associate Editor-In-Chief:''' {{CZ}}
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| ==Overview==
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| Angiographic assessment of apparent collaterals is useful to quantify the angiogenic response to interventions designed to enhance myocardial perfusion and function in ischemic myocardium. <ref>Fuchs S. Lack of correlation between angiographic grading of collateral and myocardial perfusion and function. Coron Ar Disease 2001; 12: 173-78.</ref> <ref>Abbott JD, Choi EJ, Selzer F, Srinivas VS, Williams DO Impact of Coronary Collaterals on Outcome Following PCI [from the NHLBI Dynamic Registry]. Am J Cardiol. 2005; 96: 676–680.</ref> <ref>Koerselman J, van der Graaf Y, de Jaegere PP, Grobbee DE. Coronary Collaterals an Important and Underexposed Aspect of Coronary Artery Disease. Circulation. 2003; 107: 2507-2511.</ref>
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| *'''Grade 0''': No collateral's present.
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| *'''Grade 1''': Barely detectable coronary flow. Contrast medium passes through collateral channels but fails to opacify the epicardial vessels at any time.
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| *'''Grade 2''': Partial collateral flow. Contrast material enters but fails to opacify the target epicardial vessel completely.
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| *'''Grade 3''': Complete perfusion. Contrast material enters and completely opacifies the target epicardial vessel.
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| ==References==
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| {{Reflist}}
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| {{Circulatory system pathology}}
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| [[Category:Cardiology]]
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