pd4| Голосов: 1 Адрес блога: http://newspediatrics.blogspot.com/ Добавлен: 2013-02-15 16:35:14 блограйдером 1234zz

Two studies challenge initial findings of iFR vs. FFR

2013-02-15 16:34:00 (читать в оригинале)

Two studies published in the Journal of the American College of Cardiology were unable to clinically substantiate instantaneous wave-free ratio compared with fractional flow reserve, suggesting it has a poor correlation with FFR and that it should not be used in clinical practice. Instantaneous wave-free ratio (iFR), the adenosine-free index of lesion assessment, had been proposed as an index of stenosis severity that is independent of hyperemia. In the ADVISE study, investigators led by Justin Davies, MD, PhD, of the Imperial College, London, reported that iFR had comparable diagnostic efficiency to FFR for the identification of obstructive coronary lesions (ie, FFR <0.8). These two new studies sought to further examine the utility of iFR in comparison with FFR.







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