Results 101 to 110 of about 7,220,590 (185)

Baseline coronary pressures, instant wave-free ratio (iFR) and Pd/Pa: making the most of available information

, 2013
AIMS: Adoption of fractional flow reserve (FFR) remains low (6-8%), partly because of the time, cost and potential inconvenience associated with vasodilator administration.
Asrress, KN, Hughes, AD, Mikhail, GW, Al-Bustami, M, Bellamy, M, Davies, JE, Sen, S, Echavarría-Pinto, M, Kaprielian, R, Mayet, J, Malik, IS, Baker, CS, Sethi, A, Escaned, J, Khan, MA, Lefroy, D, Francis, DP, Di Mario, C, Nam, CW, Park, JJ, Gonzalo, N, Koo, BK, Macías, E, Petraco, R, Foale, RA, Redwood, S, Nijjer, S   +26 more
core   +1 more source

Invasive Physiologic Study Across Various Spectrum of Coronary Artery Fistulas with Concomitant Coronary Artery Stenosis

Majalah Kardiologi Indonesia
Background: Most CAFs are asymptomatic but it might have serious hemodynamic consequences causing signs and symptoms of myocardial ischemia and heart failure prompting intervention, be it percutaneous or surgical, to manage the hemodynamic burden ...
Theresia Sri Rezeki Sembiring, Arwin Saleh Mangkuanom, Doni Firman, Amir Aziz Alkatiri, Nanda Iryuza   +4 more
doaj   +1 more source

TCTAP C-211 The Discrepancy Between Instantaneous Wave-Free Ratio(iFR) and Fractional Flow Reserve(FFR). Is It a Matter Wrong or Right?

Journal of the American College of Cardiology, 2015
### Patient initials or identifier number 26866428 ### Relevant clinical history and physical exam 79 years old, female Chief compliant: Dyspnea on exertion Risk factors: Hypertension / DM / Dyslipidemia (+/+/+) H/o CVA: (-) Smoking/ alcohol: nonsmoker, no alcohol recently FHx ...
openaire   +1 more source

ePoster

European Journal of Neurology, Volume 32, Issue S1, June 2025.
wiley   +1 more source

Dobutamine stress echocardiography after positive CCTA: diagnostic performance using fractional flow reserve and instantaneous wave-free ratio as reference standards

Open Heart
Aims To assess the diagnostic accuracy of dobutamine stress echocardiography (DSE) in symptomatic patients with a low to intermediate pretest probability of obstructive coronary artery disease (CAD) and a positive coronary CT angiography (CCTA).Methods ...
Rune Wiseth, Svend Aakhus, Espen Holte, Anders Tjellaug Bråten   +3 more
doaj   +1 more source

Clinical effects of physiologic lesion testing in influencing treatment strategy for multi-vessel coronary artery disease

American Heart Journal Plus
Background: The application of fractional flow reserve (FFR) and instantaneous wave-free ratio (iFR) in multivessel coronary artery disease (CAD) patients has not been definitively explored.
Harsh Rawal, Tung D. Nguyen, Efehi Igbinomwanhia, Lloyd W. Klein   +3 more
doaj   +1 more source

Numerical Simulation of Instantaneous Wave-Free Ratio of Stenosed Coronary Artery

, 2019
Instantaneous wave-free ratio (iFR), an invasive index of coronary artery tree, can evaluate the functional performance of vascular stenosis without pharmacological vasodilators.
Wenxin Wang, Bao Li, Xi Zhao, Boyan Mao, Chensi Xu, Youjun Liu, Jian Liu   +6 more
core   +1 more source

Clinical outcomes of patients with deferred revascularisation based on fractional flow reserve (FFR) and instantaneous wave-free ratio (iFR) negative coronary artery lesions in Pakistani population

Journal of the Pakistan Medical Association
Objective: To assess long-term clinical outcomes and factors associated with target vessel revascularisation in patients with deferred revascularisation based on negative fractional flow reserve and negative instantaneous wave-free ratio. Method: The longitudinal, retrospective study was conducted from July 1, 2020, to January 1, 2022, at the Aga Khan ...
null Muhammad Nasir Rahman, Jamshed Ali, null Sheema Saadia, Ghufran Adnan   +3 more
openaire   +4 more sources

TCT-239 Does Adenosine Administration Improve Diagnostic Classification Of The Instantaneous Wave–Free Ratio (iFR)?

Journal of the American College of Cardiology, 2012
Sen, Sayan, Asrress, Kaleab, Petraco, Ricardo, Nijjer, Sukhjinder, Broyd, Christopher, Foin, Nicolas, Foale, Rodney, Malik, Iqbal, Mikhail, Ghada, Sethi, Amarjit, Khan, Masood, Khawaja, Muhammed, Hughes, Alun, Francis, Darrel, Baker, Christopher, Mayet, Jamil, Di Mario, Carlo, Escaned, Javier, Redwood, Simon, Davies, Justin   +19 more
openaire   +1 more source

iFR(instantaneous wave-free ratio)(用語解説)

Journal of JCS Cardiologists, 2015
openaire   +2 more sources