Results 71 to 80 of about 3,798,071 (209)

Impact of Right Atrial Pressure on Fractional Flow Reserve Measurements: Comparison of Fractional Flow Reserve and Myocardial Fractional Flow Reserve in 1,600 Coronary Stenoses

open access: yes, 2016
This study sought to assess the impact of a wide range of mean right atrial pressure (Pra) on fractional flow reserve (FFR ...
Rusinaru, Dan   +12 more
core   +1 more source

The impact of multiple vessel disease on fractional flow reserve

open access: yes, 2009
Background - Fractional flow reserve (FFR) is a method for the assessment of intermediate lesions. The impact of lesions at other coronary arteries on the FFR is not clear.
Timurkaynak, Timur   +3 more
core   +1 more source

One-dimensional computational flow modelling using patient specific geometry to assess fractional flow reserve (FFR) [PDF]

open access: yes, 2022
Fractional flow reserve (FFR) improves the assessment of the physiological significance of coronary lesions compared with conventional angiography. However, it requires additional interventional techniques and equipment to perform.
KEVIN MOHEE
core  

Adsorbent Materials for Hydrocarbons Removal by Geopolymerization of Halloysite Clay Nanotubes Filled Within Chitosan Matrix

open access: yesAdvanced Materials Interfaces, Volume 13, Issue 19, 6 October 2026.
Alkaline activation of halloysite clay nanotubes embedded in a chitosan matrix converts bionanocomposite films into porous geopolymeric materials with enhanced adsorption capacity toward hydrocarbons in both vapor and aqueous phases. The improved adsorption performance was demonstrated by the efficient capture of dodecane vapors and phenol from water ...
Alessandro Lo Bianco   +6 more
wiley   +1 more source

Impact of the lesion location on fractional flow reserve

open access: yes, 2009
Introduction - Fractional flow reserve (FFR) is a method to determine the significance of a lesion. Although an FFR measurement of < 0.75 is accepted to show ischaemia, the effect of the location of the lesion on the coronary artery is not known.
Ozdemir, Murat   +5 more
core   +1 more source

Integrated CT-derived fractional flow reserve and perivascular fat attenuation index: a multimodal approach to predict in-stent restenosis

open access: yesFrontiers in Cardiovascular Medicine
BackgroundA significant proportion of patients develop in-stent restenosis (ISR) following percutaneous coronary intervention (PCI) with stent implantation, adversely impacting long-term outcomes.
Wentao Zhao   +7 more
doaj   +1 more source

Significance of Microvascular Function in Visual—Functional Mismatch Between Invasive Coronary Angiography and Fractional Flow Reserve

open access: yesJournal of the American Heart Association: Cardiovascular and Cerebrovascular Disease, 2017
BackgroundDespite a moderate correlation between angiographical stenosis and physiological significance, the mechanism of discordance has not been fully elucidated, particularly regarding the significance of microvascular function.
Taishi Yonetsu   +13 more
doaj   +1 more source

Sex Differences in Long‐Term Outcomes in Patients With Deferred Revascularization Following Fractional Flow Reserve Assessment: International Collaboration Registry of Comprehensive Physiologic Evaluation

open access: yesJournal of the American Heart Association: Cardiovascular and Cerebrovascular Disease, 2020
Background Sex‐specific differences may influence prognosis after deferred revascularization following fractional flow reserve (FFR) measurement. This study sought to investigate the sex differences in long‐term prognosis of patients with deferred ...
Masahiro Hoshino   +46 more
doaj   +1 more source

Preclinical Serial Assessment of Virtual Physiology After Implantation of a Novel Endoluminal Resorbable Fibrillated Scaffold

open access: yesCatheterization and Cardiovascular Interventions, Volume 108, Issue 4, Page 1206-1214, October 1, 2026.
ABSTRACT Background The resorbable fibrillated scaffold (RFS) is a novel electrospun, polylactide‐based endoluminal scaffold developed for peripheral arterial applications. Its porous microfibre architecture is intended to support host cell infiltration and vascular restoration.
Kotaro Miyashita   +16 more
wiley   +1 more source

Predictive factors of discordance between the instantaneous wave-free ratio and fractional flow reserve

open access: yes, 2019
To identify clinical, angiographic and hemodynamic predictors of discordance between instantaneous wave-free ratio (iFR) and fractional flow reserve (FFR)
Fearon, William F   +120 more
core   +1 more source

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