Physiological Pattern of Disease Assessed by Pressure | 合法醫療器材資訊網

FFR is a pressure wire–based index used during coronary angiography to assess the potential of coronary stenosis to induce myocardial ischemia. FFR is defined ... Read More

由 T Warisawa 著作 · 2019 · 被引用 21 次 — iFR was calculated as the ratio of mean distal coronary pressure to mean aortic pressure during the wave-free period of diastole. Routine cutoff ... Read More

由 CM Cook 著作 · 2016 · 被引用 41 次 — This has not previously been assessed for fractional flow reserve (FFR), instantaneous wave-free ratio (iFR), and whole-cycle distal pressure/ ... Read More

Like FFR, iFR is performed with high fidelity pressure wires that are passed distal to the coronary stenosis. The enhancement over FFR obviates the need for ... Read More

2019年7月16日 — ... pressure wire to generate an FFR (Fractional Flow Reserve) or iFR. ... identify key components of a pressure wire system and the meaning ... Read More

Instantaneous wave-free ratio is performed using high fidelity pressure wires that are passed distal to the coronary stenosis. iFR isolates a specific period in ... Read More

由 T Warisawa 著作 · 2019 · 被引用 21 次 — The physiological pattern of coronary artery disease was an important influencing factor for FFR/iFR discordance. Read More

由 CM Cook 著作 · 2016 · 被引用 41 次 — This has not previously been assessed for fractional flow reserve (FFR), instantaneous wave-free ratio (iFR), and whole-cycle distal pressure/proximal pressure ... Read More

The Abbott PressureWire X guidewire is key to percutaneous coronary ... in over 3,500 lesions and 2,000 patients6-10 to show diagnostic equivalence to iFR‡. Read More

FFR and iFR can be obtained during routine coronary angiography by using a pressure wire to calculate the ratio between coronary pressure distal to a ... Read More