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Real-time use of instantaneous wave-free ratio: results of the ADVISE in-practice: an international, multicenter evaluation of instantaneous wave-free ratio in clinical practice

R. Petraco, R. Al-Lamee, M. Gotberg, A. Sharp, F. Hellig, SS. Nijjer, M. Echavarria-Pinto, TP. van de Hoef, S. Sen, N. Tanaka, E. Van Belle, W. Bojara, K. Sakoda, M. Mates, C. Indolfi, S. De Rosa, CJ. Vrints, S. Haine, H. Yokoi, FL. Ribichini, M....

. 2014 ; 168 (5) : 739-48.

Jazyk angličtina Země Spojené státy americké

Typ dokumentu časopisecké články, multicentrická studie

Perzistentní odkaz   https://www.medvik.cz/link/bmc15013980
E-zdroje Online Plný text

NLK ProQuest Central od 2002-01-01 do Před 2 měsíci
Nursing & Allied Health Database (ProQuest) od 2002-01-01 do Před 2 měsíci
Health & Medicine (ProQuest) od 2002-01-01 do Před 2 měsíci
Health Management Database (ProQuest) od 2002-01-01 do Před 2 měsíci
Public Health Database (ProQuest) od 2002-01-01 do Před 2 měsíci

Odkazy

PubMed 25440803
DOI 10.1016/j.ahj.2014.06.022
Knihovny.cz E-zdroje

OBJECTIVES: To evaluate the first experience of real-time instantaneous wave-free ratio (iFR) measurement by clinicians. BACKGROUND: The iFR is a new vasodilator-free index of coronary stenosis severity, calculated as a trans-lesion pressure ratio during a specific period of baseline diastole, when distal resistance is lowest and stable. Because all previous studies have calculated iFR offline, the feasibility of real-time iFR measurement has never been assessed. METHODS: Three hundred ninety-two stenoses with angiographically intermediate stenoses were included in this multicenter international analysis. Instantaneous wave-free ratio and fractional flow reserve (FFR) were performed in real time on commercially available consoles. The classification agreement of coronary stenoses between iFR and FFR was calculated. RESULTS: Instantaneous wave-free ratio and FFR maintain a close level of diagnostic agreement when both are measured by clinicians in real time (for a clinical 0.80 FFR cutoff: area under the receiver operating characteristic curve [ROC(AUC)] 0.87, classification match 80%, and optimal iFR cutoff 0.90; for a ischemic 0.75 FFR cutoff: iFR ROC(AUC) 0.90, classification match 88%, and optimal iFR cutoff 0.85; if the FFR 0.75-0.80 gray zone is accounted for: ROC(AUC) 0.93, classification match 92%). When iFR and FFR are evaluated together in a hybrid decision-making strategy, 61% of the population is spared from vasodilator while maintaining a 94% overall agreement with FFR lesion classification. CONCLUSION: When measured in real time, iFR maintains the close relationship to FFR reported in offline studies. These findings confirm the feasibility and reliability of real-time iFR calculation by clinicians.

Citace poskytuje Crossref.org

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