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Simplifying the assessment of coronary artery stenosis by enhancing instantaneous wave free ratio

  
@article{CDT18089,
	author = {Vincent Spagnoli and Fabien Picard and Victor-Xavier Tadros and Daniel Cournoyer and Serge Doucet and Jean François Tanguay and Gilbert Gosselin and Pierre de Guise and Richard Gallo},
	title = {Simplifying the assessment of coronary artery stenosis by enhancing instantaneous wave free ratio},
	journal = {Cardiovascular Diagnosis and Therapy},
	volume = {8},
	number = {2},
	year = {2018},
	keywords = {},
	abstract = {Background: Instantaneous wave free ratio (iFR) does not require adenosine, but has a relatively wide intermediate range where functional assessment remains inconclusive. In this pilot study, we sought to enhance iFR through with the use of intracoronary (IC) saline (iFRs) and contrast media (iFRc) and determine whether these techniques correlated well with fractional flow reserve (FFR). 
Methods: Patients with coronary artery stenosis (CAS) associated with an iFR in the intermediate zone (≥0.86 and ≤0.93) were prospectively assessed with resting distal coronary pressure/aorta pressure (Pd/Pa), iFR, iFRs, iFRc and FFR. 
Results: A total of 40 coronary lesions were studied (40 patients). Pearson correlation coefficients for FFR and iFR, FFR and iFRs, FFR and iFRc were respectively: 0.57 (P=0.0002), 0.80 (P},
	issn = {2223-3660},	url = {http://cdt.amegroups.com/article/view/18089}
}