2009
Use of phase analysis of gated SPECT perfusion imaging to quantify dyssynchrony in patients with mild-to-moderate left ventricular dysfunction
Atchley AE, Trimble MA, Samad Z, Shaw LK, Pagnanelli R, Chen J, Garcia EV, Iskandrian AE, Velazquez EJ, Borges-Neto S. Use of phase analysis of gated SPECT perfusion imaging to quantify dyssynchrony in patients with mild-to-moderate left ventricular dysfunction. Journal Of Nuclear Cardiology 2009, 16: 888-894. PMID: 19690935, PMCID: PMC3048054, DOI: 10.1007/s12350-009-9136-3.Peer-Reviewed Original ResearchConceptsModerate LV dysfunctionSevere LV dysfunctionLV dysfunctionMechanical dyssynchronyQRS durationNormal controlsGated SPECTModerate left ventricular dysfunctionNYHA class IIIPrevalence of dyssynchronyLeft ventricular dysfunctionCohort of patientsMajority of patientsLV mechanical dyssynchronyGated SPECT imagingCurrent selection criteriaLess dyssynchronyLVEF 35More dyssynchronyVentricular dysfunctionPatient selectionDyssynchronyPatientsSPECT perfusionDysfunction
2008
Repeatability and reproducibility of phase analysis of gated single-photon emission computed tomography myocardial perfusion imaging used to quantify cardiac dyssynchrony
Trimble MA, Velazquez EJ, Adams GL, Honeycutt EF, Pagnanelli RA, Barnhart HX, Chen J, Iskandrian AE, Garcia EV, Borges-Neto S. Repeatability and reproducibility of phase analysis of gated single-photon emission computed tomography myocardial perfusion imaging used to quantify cardiac dyssynchrony. Nuclear Medicine Communications 2008, 29: 374-381. PMID: 18317303, PMCID: PMC3048057, DOI: 10.1097/mnm.0b013e3282f81380.Peer-Reviewed Original ResearchConceptsSingle photon emissionLeft ventricular dysfunctionTomography perfusion imagingPhase standard deviationNormal controlsPerfusion imagingVentricular dysfunctionTomography myocardial perfusion imagingMyocardial perfusion imagingIntraclass correlation coefficientCardiac dyssynchronyDyssynchronyPatientsInterobserver comparisonsIntraobserver comparisonsDysfunctionPhase indexMean absolute differenceImaging
2007
Polymorphisms in Adenosine Receptor Genes are Associated with Infarct Size in Patients with Ischemic Cardiomyopathy
Tang Z, Diamond MA, Chen J, Holly TA, Bonow RO, Dasgupta A, Hyslop T, Purzycki A, Wagner J, McNamara DM, Kukulski T, Wos S, Velazquez EJ, Ardlie K, Feldman AM. Polymorphisms in Adenosine Receptor Genes are Associated with Infarct Size in Patients with Ischemic Cardiomyopathy. Clinical Pharmacology & Therapeutics 2007, 82: 435-440. PMID: 17728764, DOI: 10.1038/sj.clpt.6100331.Peer-Reviewed Original ResearchMeSH Keywords3' Untranslated RegionsBase SequenceCardiomyopathiesCase-Control StudiesDNA Mutational AnalysisGene FrequencyGenetic Predisposition to DiseaseHeart VentriclesHumansMolecular Sequence DataMutationMyocardial InfarctionMyocardial IschemiaPhenotypePolymorphism, Single NucleotideReceptor, Adenosine A1Receptor, Adenosine A2AReceptor, Adenosine A3Risk FactorsSeverity of Illness IndexVentricular Function, LeftConceptsIschemic cardiomyopathyInfarct sizeAdenosine receptor geneReceptor geneGenetic variantsPopulation of patientsVentricular functionVentricular sizeIschemic preconditioningNormal controlsHeart responseAdenosine receptorsCardiomyopathyIschemiaPatientsIndividual responsesDNA samplesResponsePolymorphismTherapyInjuryGenesVariants