2020
E-Consult Protocoling to Improve the Quality of Cardiac Stress Tests
Shah N, Eisman A, Winchester D, Morrison A, Qureshi R, Sarkar I, Wu W. E-Consult Protocoling to Improve the Quality of Cardiac Stress Tests. JACC Cardiovascular Imaging 2020, 14: 512-514. PMID: 33011119, PMCID: PMC8045139, DOI: 10.1016/j.jcmg.2020.08.009.Peer-Reviewed Original Research
2018
Impaired right ventricular reserve predicts adverse cardiac outcomes in adults with congenital right heart disease
Yeh D, Schmidt A, Eisman A, Serfas J, Naqvi M, Youniss M, Ryfa A, Khan A, Safi L, Tabtabai S, Bhatt A, Lewis G. Impaired right ventricular reserve predicts adverse cardiac outcomes in adults with congenital right heart disease. Heart 2018, 104: 2044. PMID: 30030334, DOI: 10.1136/heartjnl-2017-312572.Peer-Reviewed Original ResearchConceptsCardiopulmonary exercise testingRV reserveRight ventricleHeart failureNew York Heart Association classPrimary composite clinical outcomeFirst-pass radionuclide ventriculographyPrevalence of heart failureRV ejection fractionRV systolic functionEvent-free survivalMedian follow-upCongenital heart diseaseReserve groupComposite clinical outcomeAdverse cardiac outcomesTertiary care centreRight ventricular reserveAdverse cardiovascular outcomesPredicting adverse cardiovascular outcomesSystolic function assessmentRV dilatationACHD populationPrognostic impactAsymptomatic patients
2017
Exercise Intolerance in Heart Failure With Preserved Ejection Fraction
Houstis N, Eisman A, Pappagianopoulos P, Wooster L, Bailey C, Wagner P, Lewis G. Exercise Intolerance in Heart Failure With Preserved Ejection Fraction. Circulation 2017, 137: 148-161. PMID: 28993402, PMCID: PMC5760316, DOI: 10.1161/circulationaha.117.029058.Peer-Reviewed Original ResearchConceptsCardiopulmonary exercise testingExercise capacityCardiac outputExercise intoleranceHeart failurePathway defectsDiffusing capacityExercise testMechanisms of exercise intolerancePeak VO<sub>2</sub>Patient's cardiac outputSymptoms of HFpEFBody mass indexPatient's exercise capacityEjection fractionHFpEFMass indexInvasive monitoringPatient's defectRelative to controlsBlood gasesMultiple defectsPatientsComorbid defectsDisease heterogeneity
2015
Pulmonary vascular response patterns during exercise in interstitial lung disease
Degani-Costa L, Levarge B, Digumarthy S, Eisman A, Harris R, Lewis G. Pulmonary vascular response patterns during exercise in interstitial lung disease. European Respiratory Journal 2015, 46: 738-749. PMID: 25976688, DOI: 10.1183/09031936.00191014.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsAgedAnaerobic ThresholdCardiac OutputChi-Square DistributionCohort StudiesExercise TestExercise ToleranceFemaleHumansHypertension, PulmonaryLinear ModelsLogistic ModelsLung Diseases, InterstitialMaleMiddle AgedPredictive Value of TestsPrognosisReference ValuesRespiratory Function TestsRetrospective StudiesRisk AssessmentSex FactorsStroke VolumeVascular ResistanceConceptsInterstitial lung diseasePulmonary vascular dysfunctionPulmonary artery pressureAbnormal pulmonary vascular responseInvasive cardiopulmonary exercise testingInterstitial lung disease patientsPulmonary vascular responsePeak oxygen consumptionPulmonary hypertensionAssociated with lower peak oxygen consumptionLung diseaseVascular responsesAbnormal pulmonary artery pressureMean pulmonary artery pressureLow peak oxygen consumptionMinute ventilation/carbon dioxide productionOvert pulmonary hypertensionPulmonary vascular diseaseVentilation/carbon dioxide productionExercise oxygen desaturationPulmonary function testsCardiopulmonary exercise testingBody mass indexMean PAPOxygen desaturation