Lack of relation between imaging and physiology in ostial coronary artery narrowings |
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| Authors: | Ziaee Ali Parham Walter A Herrmann Steven C Stewart Richard E Lim Michael J Kern Morton J |
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| Affiliation: | J. Gerard Mudd Cardiac Catheterization Laboratory, St. Louis University Health Sciences Center, 3635 Vista Avenue at Grand Boulevard, St. Louis, MO 63110-0250, USA. |
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| Abstract: | This study compared ostial lesion angiographic severity with physiologic assessment and showed that, for diameter narrowings >70%, fractional flow reserves were >0.75 in 20 of 25 lesions and >0.75 in 30 of 30 lesions with <70% diameter narrowings. Using fractional flow reserve in all ostial narrowings > or =70% may prevent patients from undergoing unnecessary interventions. |
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