Inter-observer differences in interpretation of coronary pressure-wire pullback data by non-expert interventional cardiologists
Warisawa T, Howard JP, Cook CM, Ahmad Y, Doi S, Nakayama M, Goto S, Yakuta Y, Karube K, Seike F, Uetani T, Murai T, Kikuta Y, Shiono Y, Kawase Y, Shun-Shin MJ, Kaihara T, Higuma T, Ishibashi Y, Matsuda H, Nishina H, Matsuo H, Escaned J, Akashi YJ, Davies JE. Inter-observer differences in interpretation of coronary pressure-wire pullback data by non-expert interventional cardiologists. Cardiovascular Intervention And Therapeutics 2020, 36: 289-297. PMID: 32430763, DOI: 10.1007/s12928-020-00673-3.Peer-Reviewed Original ResearchConceptsInterventional cardiologistsInter-observer differencesCoronary artery diseaseLow-volume centersHigh-volume centersExpert interventional cardiologistsExpertise of physiciansPhysiological patternsArtery diseaseRisk stratificationCenter volumeNon-expert doctorsPooled accuracyDisease patternsCardiologistsYears of experienceReference standardDiseaseDoctorsRevascularizationPatientsYearsPhysiciansDifference 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