2020
Difference in functional assessment of individual stenosis severity in serial coronary lesions between resting and hyperemic pressure-wire pullback: Insights from the GIFT registry
Warisawa T, Howard JP, Kawase Y, Tanigaki T, Omori H, Cook CM, Ahmad Y, Francis DP, Akashi YJ, Matsuo H, Davies JE. Difference in functional assessment of individual stenosis severity in serial coronary lesions between resting and hyperemic pressure-wire pullback: Insights from the GIFT registry. International Journal Of Cardiology 2020, 312: 10-15. PMID: 32376416, DOI: 10.1016/j.ijcard.2020.05.001.Peer-Reviewed Original ResearchConceptsFractional flow reserveInstantaneous wave-free ratioCoronary lesionsPressure-wire pullbackCoronary artery lesionsPhysiological assessmentArtery lesionsConsecutive patientsCoronary stenosisHemodynamic significanceWave-free periodFlow reserveHemodynamic interactionSerial lesionsSerial stenosesFunctional assessmentStenosis severityLesionsStenosisHyperemic conditionsStatistical differenceWhole cardiac cycleReference standardCardiac cyclePredominance
2018
Coronary Hemodynamics in Patients With Severe Aortic Stenosis and Coronary Artery Disease Undergoing Transcatheter Aortic Valve Replacement Implications for Clinical Indices of Coronary Stenosis Severity
Ahmad Y, Götberg M, Cook C, Howard JP, Malik I, Mikhail G, Frame A, Petraco R, Rajkumar C, Demir O, Iglesias JF, Bhindi R, Koul S, Hadjiloizou N, Gerber R, Ramrakha P, Ruparelia N, Sutaria N, Kanaganayagam G, Ariff B, Fertleman M, Anderson J, Chukwuemeka A, Francis D, Mayet J, Serruys P, Davies J, Sen S. Coronary Hemodynamics in Patients With Severe Aortic Stenosis and Coronary Artery Disease Undergoing Transcatheter Aortic Valve Replacement Implications for Clinical Indices of Coronary Stenosis Severity. JACC Cardiovascular Interventions 2018, 11: 2019-2031. PMID: 30154062, PMCID: PMC6197079, DOI: 10.1016/j.jcin.2018.07.019.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overAortic Valve StenosisBlood Flow VelocityCardiac CatheterizationCoronary Artery DiseaseCoronary StenosisFemaleFractional Flow Reserve, MyocardialHemodynamicsHumansHyperemiaLondonMalePredictive Value of TestsReproducibility of ResultsSeverity of Illness IndexSwedenTranscatheter Aortic Valve ReplacementTreatment OutcomeConceptsSevere aortic stenosisTranscatheter aortic valve replacementCoronary artery diseaseCoronary stenosis severityAortic stenosisHyperemic coronary flowFractional flow reserveArtery diseaseCoronary flowStenosis severityWave-free periodClinical indicesHyperemic flowFlow reserveInstantaneous wave-free ratio valueIntracoronary pressureConcomitant coronary artery diseaseAortic valve replacementStenotic aortic valvesInstantaneous wave-free ratioPhasic coronary flowValve replacementHyperemic indexAortic valveCoronary pressure
2017
Fractional Flow Reserve/Instantaneous Wave-Free Ratio Discordance in Angiographically Intermediate Coronary Stenoses An Analysis Using Doppler-Derived Coronary Flow Measurements
Cook CM, Jeremias A, Petraco R, Sen S, Nijjer S, Shun-Shin MJ, Ahmad Y, de Waard G, van de Hoef T, Echavarria-Pinto M, van Lavieren M, Lamee R, Kikuta Y, Shiono Y, Buch A, Meuwissen M, Danad I, Knaapen P, Maehara A, Koo BK, Mintz GS, Escaned J, Stone GW, Francis DP, Mayet J, Piek JJ, van Royen N, Davies JE. Fractional Flow Reserve/Instantaneous Wave-Free Ratio Discordance in Angiographically Intermediate Coronary Stenoses An Analysis Using Doppler-Derived Coronary Flow Measurements. JACC Cardiovascular Interventions 2017, 10: 2514-2524. PMID: 29268881, PMCID: PMC5743106, DOI: 10.1016/j.jcin.2017.09.021.Peer-Reviewed Original ResearchAgedBlood Flow VelocityCardiac CatheterizationCoronary AngiographyCoronary StenosisCoronary VesselsDatabases, FactualEchocardiography, DopplerFemaleFractional Flow Reserve, MyocardialHumansHyperemiaMaleMiddle AgedPredictive Value of TestsPrognosisReproducibility of ResultsRetrospective StudiesSeverity of Illness Index