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| __NOTOC__
| | #Redirect [[Coronary ostial stenosis]] |
| {{CMG}}
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| {{SI}}
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| ==Overview==
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| An [[ostium|ostial]] [[lesion]] is defined as a [[lesion]] which begins within 3-5 mm of the origin of a major [[epicardial]] [[artery]]. [[Ostial]] [[lesion]]s represent a challenge to the [[interventional cardiologist]] because they often involve the wall of the [[aorta]], they are often [[calcification|calcified]], they may not fully dilate and they are prone to [[restenosis]]. A key issue in the treatment of an [[ostium|ostial]] [[lesion]] is to assure that the [[stent]] is inserted [[proximal]] enough to fully cover the [[aorta|aorto]]-[[ostium|ostial]] junction (particularly in the [[right coronary artery]]). Essentially the operator must realize that the [[aorta|aortic]] wall is being [[stent]]ed as well.
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| ==Angiography Examples==
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| Click [[Coronary angiography ostial lesion|here]] for angiography examples of the ostial lesion.
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| ==PCI in the Ostial Lesion==
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| Click [[PCI in the ostial lesion|here]] for details about PCI in the ostial lesion.
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| ==References==
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| {{Reflist|2}}
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| {{Coronary Angiography}}
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| [[Category:Cardiology]]
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| [[Category:Angiopedia]]
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