Instantaneous wave–free ratio (IFR) VS myocardial perfusion imaging by single photon emission tomography (MPI-SPECT) in assessment of significance of moderate coronary artery disease [PDF]
Al-Azhar International Medical Journal, 2023 Background: The noninvasive technique known as myocardial perfusion imaging is used to assess the functional relevance of borderline coronary artery abnormalities. Additionally, well-validated intrusive technique known as instantaneous wave-free ratio is
Essam Mohamed Nosier +3 more
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Pathophysiological factors contributing to fractional flow reserve and instantaneous wave-free ratio discordance [PDF]
Reviews in Cardiovascular Medicine, 2022 The diagnostic accuracy and clinical benefits of instantaneous wave-free ratio (iFR) compared to fractional flow reserve (FFR) have been well-established in the literature. Despite the advantages of non-hyperemic pressure indices, approximately 20% of
Benjamin Fogelson +3 more
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Wave Climate, Geotechnical and Geophysical Analysis of the Tillamook Jetties [PDF]
Wave Energy AS (WE) is an ocean energy company from Norway established to develop, test, market and commercialize the patented SSG™ wave energy converter technology.
Wave Energy AS, Bakke, Monica
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Impact of target coronary artery stenosis severity measured by instantaneous wave-free ratio on to bypassed graft patency [PDF]
Ķazaķstannyṇ Klinikalyķ Medicinasy, 2021 Background: This study aimed to assess the impact of the measurement of the degree of target coronary artery stenosis using the instantaneous wave-free ratio (iFR) on patency of attached grafts.
Almas Tolegenuly +2 more
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Contrast medium Pd/Pa ratio in comparison to fractional flow reserve, quantitative flow ratio and instantaneous wave-free ratio for evaluation of intermediate coronary lesions [PDF]
Advances in Interventional Cardiology, 2020 Paweł Kleczyński +4 more
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Instantaneous Wave-Free Ratio: Novel Adenosine-Free Method to Assess Intracoronary Physiology
, 2023 Fractional flow reserve assessment was accepted as a crucial strategy in stable patients undergoing coronary angiography without prior noninvasive evaluation in the presence of borderline lesions and in patients with multivessel coronary artery disease ...
IGLESİAS, Juan F. +5 more
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Journal of the American Heart Association: Cardiovascular and Cerebrovascular Disease, 2022 Background Post–percutaneous coronary intervention (PCI) fractional flow reserve ≥0.90 is an accepted marker of procedural success, and a cutoff of ≥0.95 has recently been proposed for post‐PCI instantaneous wave‐free ratio.
Muhammad Aetesam‐ur‐Rahman +10 more
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Diabetes mellitus and long-term safety of FFR and iFR-based coronary revascularization deferral
REC: Interventional Cardiology (English Ed.), 2022 Introduction and objectives: The safety of physiology-based revascularization in patients with diabetes mellitus has been scarcely investigated. Our objective was to determine the safety of deferring revascularization based on the fractional flow reserve
Alex F. Castro‐Mejía +11 more
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Journal of Medicine in Scientific Research, 2021 Background Myocardial perfusion imaging (MPI) is noninvasive test used for evaluation of functional significance of borderline coronary artery lesions.
Ahmed Zayed
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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 [PDF]
, 2014 : 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
Vrints, Christiaan +5 more
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