Prevalence and predictors of mechanical dyssynchrony as defined by phase analysis in patients with left ventricular dysfunction undergoing gated SPECT myocardial perfusion imaging
Samad Z, Atchley AE, Trimble MA, Sun JL, Shaw LK, Pagnanelli R, Chen J, Garcia EV, Iskandrian AE, Velazquez EJ, Borges-Neto S. Prevalence and predictors of mechanical dyssynchrony as defined by phase analysis in patients with left ventricular dysfunction undergoing gated SPECT myocardial perfusion imaging. Journal Of Nuclear Cardiology 2010, 18: 24-30. PMID: 21082299, PMCID: PMC3077282, DOI: 10.1007/s12350-010-9310-7.Peer-Reviewed Original ResearchMeSH KeywordsAgedAlgorithmsCardiac-Gated Single-Photon Emission Computer-Assisted TomographyFemaleHumansImage EnhancementImage Interpretation, Computer-AssistedIncidenceMaleMyocardial Perfusion ImagingNorth CarolinaPrevalenceReproducibility of ResultsRisk AssessmentRisk FactorsSensitivity and SpecificityVentricular Dysfunction, LeftConceptsLeft ventricular dysfunctionMechanical dyssynchronyVentricular dysfunctionIndependent predictorsBlack raceQRS durationPhase SDGated SPECT myocardial perfusionLeft ventricular ejection fractionTomography myocardial perfusion imagingStress scoresVentricular ejection fractionIschemic heart diseasePopulation of patientsMeasures of dyssynchronySPECT myocardial perfusionMyocardial perfusion imagingSingle photon emissionSignificant dyssynchronyEjection fractionEntire cohortUnivariate predictorsClinical variablesHeart diseaseMale gender