Abstract
2016;11(3-4):116. VII. nacionalni sastanak o kardiovaskularnim intervencijama s međunarodnim sudjelovanjem VI. sastanak intervencijskih kardioloskih medicinskih sestara i tehnicara Fractional Flow Reserve (FFR) is a wire-based procedure that can accurately measure blood pressure through a specific part of the coronary artery. Instant wave-free ratio (iFR) is a new method that relies on the fact that resistance is naturally constant during the wave-free period for the required measurement. Recently, emphasis is put on increasing usage of FFR/iFR in guiding percutaneous coronary intervention (PCI). FFR is measured after infusion of a hyperemic agent, such as adenosine. The protocol of iFR does not require an infusion of hyperemic agent. In both procedures little is known about intracoronary premedication treatment protocol and it usually varies from hospital to hospital. For the optimal procedure it is of paramount importance to assure the absence of wire induced spasm on functionally insignificant lesions due to the risk of unnecessary PCI treatment.
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