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Article Abstract
Background And Aims: The use of fractional flow reserve (FFR) and resting full-cycle ratio (RFR) for assessing intermediate coronary lesions is well-established. However, discordance between these methods occurs in 15%-25% of cases. The objective is to identify clinical and angiographic predictors of discordance between FFR and RFR in a Spanish cohort.
Methods: A prospective cohort study of 94 patients with 107 intermediate coronary lesions was conducted. FFR and RFR were measured, and logistic regression was used to identify predictors of discordance.
Results: Discordance occurred in 15.9% of cases. Independent predictors were active smoking, lesions in the left anterior descending artery, and higher area stenosis percentage.
Conclusion: Smoking, LAD lesions, and stenosis severity predict discordance between FFR and RFR. Further studies are needed to clarify the phenomena that cause such discordance.
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| http://dx.doi.org/10.1002/ccd.31682 | DOI Listing |
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