2008
Noninvasive Detection of Risk for Emotion Provoked Myocardial Ischemia
Burg MM, Graeber B, Vashist A, Collins D, Earley C, Liu J, Lampert R, Soufer R. Noninvasive Detection of Risk for Emotion Provoked Myocardial Ischemia. Psychosomatic Medicine 2008, 71: 14-20. PMID: 18941131, PMCID: PMC2739989, DOI: 10.1097/psy.0b013e318187c035.Peer-Reviewed Original ResearchMeSH KeywordsAgedAngerAngiotensin-Converting Enzyme InhibitorsBlood PressureCoronary DiseaseEpinephrineFemaleHeart RateHumansImagery, PsychotherapyMaleManometryMiddle AgedMyocardial IschemiaNorepinephrinePlethysmographyPredictive Value of TestsPulsatile FlowRiskSensitivity and SpecificityStress, PsychologicalTomography, Emission-Computed, Single-PhotonVascular ResistanceConceptsPeripheral arterial tonometryCoronary artery diseasePAT ratioMyocardial ischemiaMajor adverse cardiac eventsStable coronary artery diseaseLower PAT ratioMental stress ischemiaAdverse cardiac eventsNew perfusion defectsCT myocardial perfusionSensitivity/specificityStress ischemiaArterial tonometryCardiac eventsArtery diseaseBlood pressureACE inhibitionPerfusion defectsHeart rateMyocardial perfusionPatientsEnzyme inhibitorsClinical settingIschemia
2004
Differential impact of parasympathetic withdrawal to mental stress ischemia as assessed by noninvasive evaluation of myocardial perfusion and/or function
Vashist A, Arrighi J, Lampert R, Burg M, Soufer R. Differential impact of parasympathetic withdrawal to mental stress ischemia as assessed by noninvasive evaluation of myocardial perfusion and/or function. Journal Of Nuclear Cardiology 2004, 11: s21. DOI: 10.1016/j.nuclcard.2004.06.068.Peer-Reviewed Original ResearchChronic coronary artery diseaseRegional LV dysfunctionMyocardial ischemiaParasympathetic withdrawalLV dysfunctionChronic chronic coronary artery diseaseMental stress ischemiaRate-pressure productCoronary artery diseaseGreater parasympathetic withdrawalHigh-frequency powerStress ischemiaArtery diseaseNon-invasive imagingMPI defectsSympathovagal balanceIndividual patientsSPECT-MPIIschemiaMyocardial perfusionNoninvasive evaluationPatientsMental arithmetic taskAutonomic responsesSPECT defectsDo electrocardiographic changes with adenosine myocardial perfusion imaging predict ischaemia in patients with left ventricular hypertrophy?
Vashist A, Victoria A, Blum S, Bella J, Heller E. Do electrocardiographic changes with adenosine myocardial perfusion imaging predict ischaemia in patients with left ventricular hypertrophy? Nuclear Medicine Communications 2004, 25: 553-556. PMID: 15167513, DOI: 10.1097/01.mnm.0000126630.47661.d9.Peer-Reviewed Original ResearchMeSH KeywordsAdenosineCausalityComorbidityElectrocardiographyExercise TestFemaleHumansHypertrophy, Left VentricularIncidenceMaleMiddle AgedMyocardial IschemiaPrevalencePrognosisRadionuclide ImagingReproducibility of ResultsRetrospective StudiesSensitivity and SpecificityStatistics as TopicUnited StatesConceptsLeft ventricular hypertrophyECG changesVentricular hypertrophyBaseline electrocardiogramElectrocardiographic changesPredictive valueSevere coronary artery diseaseEvidence of ischaemiaCoronary artery diseaseAdenosine myocardial perfusionForm of exercisePresence of collateralsNegative predictive valuePositive predictive valueArtery diseaseConsecutive patientsImaging correlatesTc-sestamibiIschaemiaMyocardial perfusionPatientsX minHypertrophyPerfusionStress test
2002
Association of heart rate response with scan and left ventricular function on adenosine myocardial perfusion imaging
Vashist A, Heller E, Blum S, Brown E, Bhalodkar N. Association of heart rate response with scan and left ventricular function on adenosine myocardial perfusion imaging. The American Journal Of Cardiology 2002, 89: 174-177. PMID: 11792338, DOI: 10.1016/s0002-9149(01)02196-8.Peer-Reviewed Original ResearchConceptsBeats/minMyocardial perfusion imagingEjection fractionAbnormal scansAdenosine myocardial perfusionHeart rate responseVentricular functionScan groupMyocardial perfusionAdenosine myocardial perfusion imagingAbnormal scan groupAdenosine stress testNormal scan groupRate responseNormal ejection fractionLV ejection fractionAverage HRSingle photon emissionConsecutive patientsMean ageNormal scansPeak HRReversible defectsGroup 2HR response
2001
1.10 Decrease in heart rate variability as a predictor of abnormal scan on adenosine myocardial perfusion imaging
Vashist A, Blum S, Brown E, Bhalodkar N. 1.10 Decrease in heart rate variability as a predictor of abnormal scan on adenosine myocardial perfusion imaging. Journal Of Nuclear Cardiology 2001, 8: s3. DOI: 10.1016/s1071-3581(01)80441-4.Peer-Reviewed Original Research