2020
Impact of Preoperative Lymphopenia on Survival Following Left Ventricular Assist Device Placement
Stawiarski K, Agboola O, Park J, Geirsson A, Jacoby D, Bellumkonda L, Ahmad T, Chou J, Lee F, Mangi A, Bonde P. Impact of Preoperative Lymphopenia on Survival Following Left Ventricular Assist Device Placement. ASAIO Journal 2020, 67: 650-657. PMID: 33074860, DOI: 10.1097/mat.0000000000001289.Peer-Reviewed Original ResearchConceptsAbsolute lymphocyte countCause mortalityLymphopenia groupLeft ventricular assist device patientsVentricular assist device patientsVentricular assist device placementCox proportional hazards modelImpact of lymphopeniaHeart failure populationKaplan-Meier plotsFurther clinical investigationProportional hazards modelLog-rank statisticsDurable LVADPreoperative lymphopeniaLVAD placementLymphocyte countLymphopenic patientsDevice patientsSingle centerPoor outcomePrognostic implicationsALC levelsFailure populationStudy population
2019
Improving Outcomes in INTERMACS 1 Category 1 Patients with Pre-LVAD, Awake Venous-Arterial Extracorporeal Membrane Oxygenation Support
Mori M, McCloskey G, Geirsson A, Mangi AA, Yun JJ, Jacoby D, Ahmad T, Bellumkonda L, Lee F, Chen ME, Bonde P. Improving Outcomes in INTERMACS 1 Category 1 Patients with Pre-LVAD, Awake Venous-Arterial Extracorporeal Membrane Oxygenation Support. ASAIO Journal 2019, Publish Ahead of Print: &na;. PMID: 30664019, DOI: 10.1097/mat.0000000000000908.Peer-Reviewed Original ResearchConceptsCategory 1 patientsECMO supportDurable LVADECMO groupDurable left ventricular assist device implantationVenous-arterial extracorporeal membrane oxygenationLeft ventricular assist device implantationVentricular assist device implantationCox proportional hazards analysisExtracorporeal membrane oxygenation supportECMO-supported patientsPost-LVAD survivalVenous-arterial ECMOOutcomes of patientsAssist device implantationEnd-organ functionMembrane oxygenation supportProportional hazards analysisExtracorporeal membrane oxygenationRisk of deathINTERMACS scaleInteragency RegistryOxygenation supportECMO patientsUnadjusted survival
2018
Serial Assessment of Coronary Flow Reserve by Rubidium-82 Positron Emission Tomography Predicts Mortality in Heart Transplant Recipients
Feher A, Srivastava A, Quail MA, Boutagy NE, Khanna P, Wilson L, Miller EJ, Liu YH, Lee F, Sinusas AJ. Serial Assessment of Coronary Flow Reserve by Rubidium-82 Positron Emission Tomography Predicts Mortality in Heart Transplant Recipients. JACC Cardiovascular Imaging 2018, 13: 109-120. PMID: 30343093, PMCID: PMC6461525, DOI: 10.1016/j.jcmg.2018.08.025.Peer-Reviewed Original ResearchMeSH KeywordsAgedCoronary Artery DiseaseFemaleFractional Flow Reserve, MyocardialHeart TransplantationHumansMaleMiddle AgedMyocardial Perfusion ImagingPositron-Emission TomographyPredictive Value of TestsProspective StudiesRadiopharmaceuticalsReproducibility of ResultsRubidium RadioisotopesTime FactorsTreatment OutcomeConceptsPositron emission tomographyLong-term prognostic valueSerial assessmentPET-2Pet-1Cause mortalityHT patientsPrognostic valueHigh CFRLow CFRRb positron-emission tomographyEmission tomographyRb-82 positron emission tomographyRubidium-82 positron emission tomographyPET imagingHeart transplantation patientsHistory of HTCardiac allograft vasculopathyHeart transplant recipientsLong-term mortalitySingle-center studyMultivariate Cox regressionCoronary flow reserveAllograft vasculopathyHT recipients
2016
Cumulative stress and autonomic dysregulation in a community sample
Lampert R, Tuit K, Hong KI, Donovan T, Lee F, Sinha R. Cumulative stress and autonomic dysregulation in a community sample. Stress 2016, 19: 269-279. PMID: 27112063, PMCID: PMC5072401, DOI: 10.1080/10253890.2016.1174847.Peer-Reviewed Original ResearchConceptsHeart rate variabilityAdverse life eventsChronic stressLife eventsPoor cardiovascular outcomesChronic stressorsCardiac autonomic functionPrimary preventive strategiesAmbulatory ECG monitoringCumulative stress scoreRegression analysisLow-frequency powerNon-invasive measureRecent life eventsCumulative stressCardiovascular outcomesAutonomic functionAutonomic dysregulationPreventive strategiesNN intervalsAutonomic statusHealthy individualsHealth behaviorsECG monitoringRate variability
2010
Effects of Reiki on Autonomic Activity Early After Acute Coronary Syndrome
Friedman RS, Burg MM, Miles P, Lee F, Lampert R. Effects of Reiki on Autonomic Activity Early After Acute Coronary Syndrome. Journal Of The American College Of Cardiology 2010, 56: 995-996. PMID: 20828654, DOI: 10.1016/j.jacc.2010.03.082.Peer-Reviewed Original ResearchCommon Genes Contribute to Depressive Symptoms and Heart Rate Variability: The Twins Heart Study
Su S, Lampert R, Lee F, Bremner JD, Snieder H, Jones L, Murrah NV, Goldberg J, Vaccarino V. Common Genes Contribute to Depressive Symptoms and Heart Rate Variability: The Twins Heart Study. Twin Research And Human Genetics 2010, 13: 1-9. PMID: 20158303, PMCID: PMC2905576, DOI: 10.1375/twin.13.1.1.Peer-Reviewed Original ResearchConceptsHeart rate variabilityCoronary artery diseaseDepressive symptomsHRV indicesReduced heart rate variabilityRate variabilityElectrocardiographic Holter recordingsMeasurements of HRVBeck Depression Inventory-IICurrent depressive symptomsSignificant inverse correlationVietnam Era Twin RegistryFrequency domain variablesBivariate genetic modelingCommon neurobiological dysfunctionArtery diseaseAutonomic dysregulationHolter recordingsHeart StudyMiddle-aged male twinsHRV frequencySymptomsCommon genetic componentInventory-IIHigh frequency
2009
Pleiotropy of C-Reactive Protein Gene Polymorphisms With C-Reactive Protein Levels and Heart Rate Variability in Healthy Male Twins
Su S, Lampert R, Zhao J, Bremner JD, Miller A, Snieder H, Lee F, Khan D, Goldberg J, Vaccarino V. Pleiotropy of C-Reactive Protein Gene Polymorphisms With C-Reactive Protein Levels and Heart Rate Variability in Healthy Male Twins. The American Journal Of Cardiology 2009, 104: 1748-1754. PMID: 19962488, PMCID: PMC2818743, DOI: 10.1016/j.amjcard.2009.07.063.Peer-Reviewed Original ResearchConceptsC-reactive protein levelsHeart rate variabilityCRP gene polymorphismsCoronary artery diseaseCRP levelsGene polymorphismsArtery diseaseHRV indicesSymptomatic coronary artery diseaseReduced heart rate variabilityRate variabilityLower heart rate variabilityC-Reactive Protein Gene PolymorphismsPlasma CRP levelsCRP plasma levelsCRP single-nucleotide polymorphismsMale twinsProtein levelsSingle nucleotide polymorphismsHealthy male twinsBivariate structural equation modelingHigh-frequency powerCRP geneFrequency domain measuresProtein gene polymorphismsA Twin Study of Metabolic Syndrome and Autonomic Tone
GEHI AK, LAMPERT R, VELEDAR E, LEE F, GOLDBERG J, JONES L, MURRAH N, ASHRAF A, VACCARINO V. A Twin Study of Metabolic Syndrome and Autonomic Tone. Journal Of Cardiovascular Electrophysiology 2009, 20: 422-428. PMID: 19054251, PMCID: PMC2722434, DOI: 10.1111/j.1540-8167.2008.01363.x.Peer-Reviewed Original ResearchConceptsLower heart rate variabilityHeart rate variabilityAutonomic toneMetS componentsMetabolic syndromeMetS risk factorsHigher cardiovascular mortalityCoronary heart diseaseOne-unit incrementTwin pairsCardiovascular mortalityCardiac deathOverall mortalityAtrial fibrillationPotential confoundersHeart diseaseRisk factorsHeart StudyMiddle-aged male twinsAbnormal modulationRate variabilityMale twinsMetS.MetSSyndrome
2008
Decreased heart rate variability is associated with higher levels of inflammation in middle-aged men
Lampert R, Bremner JD, Su S, Miller A, Lee F, Cheema F, Goldberg J, Vaccarino V. Decreased heart rate variability is associated with higher levels of inflammation in middle-aged men. American Heart Journal 2008, 156: 759.e1-759.e7. PMID: 18926158, PMCID: PMC2587932, DOI: 10.1016/j.ahj.2008.07.009.Peer-Reviewed Original ResearchConceptsC-reactive proteinCoronary artery diseaseBody mass indexHeart rate variabilityTraditional risk factorsInterleukin-6Risk factorsAutonomic functionPhysical activityDevelopment of CADSymptomatic coronary artery diseaseTraditional CAD risk factorsHigh-density lipoprotein cholesterolRate variabilityGraded inverse relationshipCAD risk factorsMiddle-aged menHigh-density lipoproteinAmbulatory electrocardiogram monitoringHigh-frequency powerAutonomic dysfunctionLipoprotein cholesterolArtery diseaseMass indexAutonomic dysregulationPacemaker Therapy for Early and Late Sinus Node Dysfunction in Orthotopic Heart Transplant Recipients: A Single‐Center Experience
LUEBBERT JJ, LEE FA, ROSENFELD LE. Pacemaker Therapy for Early and Late Sinus Node Dysfunction in Orthotopic Heart Transplant Recipients: A Single‐Center Experience. Pacing And Clinical Electrophysiology 2008, 31: 1108-1112. PMID: 18834460, DOI: 10.1111/j.1540-8159.2008.01149.x.Peer-Reviewed Original ResearchConceptsOrthotopic heart transplantationSinus node dysfunctionOHT recipientsEarly complicationsTransplant recipientsLate sinus node dysfunctionSignificant sinus node dysfunctionOrthotopic heart transplant recipientsHeart transplant clinicMean age 50.2Heart transplant recipientsSingle-center experienceAge 50.2Electrophysiology serviceTransplant clinicHeart transplantationHeart transplantPermanent pacemakerLikely multifactorialPacemaker therapyLarge cohortPatientsAmbulatory monitoringRecipientsPacemakerDepressive Symptoms and Heart Rate Variability: Evidence for a Shared Genetic Substrate in a Study of Twins
Vaccarino V, Lampert R, Bremner JD, Lee F, Su S, Maisano C, Murrah NV, Jones L, Jawed F, Afzal N, Ashraf A, Goldberg J. Depressive Symptoms and Heart Rate Variability: Evidence for a Shared Genetic Substrate in a Study of Twins. Psychosomatic Medicine 2008, 70: 628-636. PMID: 18606724, PMCID: PMC5884077, DOI: 10.1097/psy.0b013e31817bcc9e.Peer-Reviewed Original Research
2007
Effect of acetylcholinesterase inhibition with pyridostigmine on cardiac parasympathetic function in sedentary adults and trained athletes
Dewland TA, Androne AS, Lee FA, Lampert RJ, Katz SD. Effect of acetylcholinesterase inhibition with pyridostigmine on cardiac parasympathetic function in sedentary adults and trained athletes. AJP Heart And Circulatory Physiology 2007, 293: h86-h92. PMID: 17322413, DOI: 10.1152/ajpheart.01339.2006.Peer-Reviewed Original ResearchConceptsHeart rate recoveryPostexercise heart rate recoveryCardiac parasympathetic functionCardiac parasympathetic toneHeart rate variabilityRate recoveryParasympathetic toneSedentary adultsFrequency domain indicesHeart rateParasympathetic functionRate variabilityParasympathetic regulationSingle oral doseCardiac parasympathetic regulationExercise trainingCrossover trialOral doseParasympathetic pathwaysSedentary subjectsPyridostigmineHuman studiesPlaceboEfferent signalsAcetylcholinesterase inhibitors
2006
Long-term assessment of cardiac function after dose-dense and -intense sequential doxorubicin (A), paclitaxel (T), and cyclophosphamide (C) as adjuvant therapy for high risk breast cancer
Abu-Khalaf MM, Juneja V, Chung GG, DiGiovanna MP, Sipples R, McGurk M, Zelterman D, Haffty B, Reiss M, Wackers FJ, Lee FA, Burtness BA. Long-term assessment of cardiac function after dose-dense and -intense sequential doxorubicin (A), paclitaxel (T), and cyclophosphamide (C) as adjuvant therapy for high risk breast cancer. Breast Cancer Research And Treatment 2006, 104: 341-349. PMID: 17051423, DOI: 10.1007/s10549-006-9413-7.Peer-Reviewed Original ResearchConceptsLeft ventricular ejection fractionEnd of chemotherapyEquilibrium radionuclide angiographyBreast cancerAdjuvant therapySequential doxorubicinCardiac functionIpsilateral axillary lymph nodesHigh-risk breast cancerRisk breast cancerClinical heart failureInitiation of chemotherapyAxillary lymph nodesVentricular ejection fractionEnd of therapyLong-term cardiotoxicityMedian absolute changeEligible patientsFilgrastim supportLate cardiotoxicityAxillary nodesAsymptomatic declineEjection fractionHeart failureLymph nodes
2005
Depressed autonomic nervous system function in African Americans and individuals of lower social class: A potential mechanism of race- and class-related disparities in health outcomes
Lampert R, Ickovics J, Horwitz R, Lee F. Depressed autonomic nervous system function in African Americans and individuals of lower social class: A potential mechanism of race- and class-related disparities in health outcomes. American Heart Journal 2005, 150: 153-160. PMID: 16084163, DOI: 10.1016/j.ahj.2004.08.008.Peer-Reviewed Original ResearchEffects of Psychologic Stress on Repolarization and Relationship to Autonomic and Hemodynamic Factors
LAMPERT R, SHUSTERMAN V, BURG MM, LEE FA, EARLEY C, GOLDBERG A, MCPHERSON CA, BATSFORD WP, SOUFER R. Effects of Psychologic Stress on Repolarization and Relationship to Autonomic and Hemodynamic Factors. Journal Of Cardiovascular Electrophysiology 2005, 16: 372-377. PMID: 15828878, DOI: 10.1046/j.1540-8167.2005.40580.x.Peer-Reviewed Original ResearchConceptsT-wave alternansMental stressVentricular arrhythmiasPsychological stressAmbulatory ECG monitoringT-wave amplitudePathophysiologic linkSusceptible patientsSystolic BPRepolarization indicesAlters indicesPsychologic stressRepolarization changesSudden deathPatientsHemodynamic factorsT-wave areaStress protocolECG monitoringArrhythmiasPhysiologic pathwaysRepolarizationMyocardial heterogeneityICDHr
2004
Comparative costs of home positive inotropic infusion versus in-hospital care in patients awaiting cardiac transplantation
Upadya SP, Sedrakyan A, Saldarriaga C, Nystrom K, Bozzo J, Lee FA, Katz SD. Comparative costs of home positive inotropic infusion versus in-hospital care in patients awaiting cardiac transplantation. Journal Of Cardiac Failure 2004, 10: 384-389. PMID: 15470648, DOI: 10.1016/j.cardfail.2004.02.004.Peer-Reviewed Original ResearchConceptsCardiac transplantationAutomatic implantable cardioverter defibrillatorInotropic therapyOutpatient strategiesAICD implantationHospital careEnd-stage heart failurePositive inotropic supportImplantable cardioverter defibrillatorDecision analysis modelInotropic supportHospital dischargeHeart failureInotropic infusionUnited NetworkHospital treatmentHospital costsCardioverter defibrillatorSuccessful bridgePatientsTransplantationHospital monitoringOutpatientsDaily costTherapyHome continuous positive inotropic infusion as a bridge to cardiac transplantation in patients with end-stage heart failure
Upadya S, Lee FA, Saldarriaga C, Verma S, Sedrakyan A, Nystrom K, Katz SD. Home continuous positive inotropic infusion as a bridge to cardiac transplantation in patients with end-stage heart failure. The Journal Of Heart And Lung Transplantation 2004, 23: 466-472. PMID: 15063407, DOI: 10.1016/s1053-2498(03)00203-1.Peer-Reviewed Original ResearchConceptsPositive inotropic therapyInotropic therapyCardiac transplantationFunctional capacityDecreased health care costsEnd-stage heart failureImplantable cardioverter-defibrillator dischargeHome therapy patientsStatus 1B patientsInitiation of therapyStable clinical statusNumber of hospitalizationsPre-treatment baselineImplantable cardioverter defibrillatorHealth care costsActuarial survivalInotropic treatmentRenal functionConsecutive patientsHeart failureClinical statusHemodynamic monitoringHome infusionInotropic infusionUnited Network
2003
Effects of propranolol on recovery of heart rate variability following acute myocardial infarction and relation to outcome in the Beta-Blocker Heart Attack Trial
Lampert R, Ickovics JR, Viscoli CJ, Horwitz RI, Lee FA. Effects of propranolol on recovery of heart rate variability following acute myocardial infarction and relation to outcome in the Beta-Blocker Heart Attack Trial. The American Journal Of Cardiology 2003, 91: 137-142. PMID: 12521623, DOI: 10.1016/s0002-9149(02)03098-9.Peer-Reviewed Original ResearchConceptsBeta-Blocker Heart Attack TrialAcute myocardial infarctionHeart rate variabilityPlacebo-treated patientsHeart Attack TrialMyocardial infarctionEffect of propranololBeta blockersAttack TrialDepressed heart rate variabilityRate variabilityRecovery of HRVLF/HF ratioPropranolol-treated patientsWeeks of treatmentHF ratioHigh-frequency powerPropranolol therapyPropranolol treatmentSympathetic predominanceAutonomic toneParasympathetic toneSympathovagal balanceImproved outcomesSudden death
2002
Heart rate variability during the week of September 11, 2001.
Lampert R, Baron SJ, McPherson CA, Lee FA. Heart rate variability during the week of September 11, 2001. JAMA 2002, 288: 575. PMID: 12150667, DOI: 10.1001/jama.288.5.575.Peer-Reviewed Original ResearchRacial Differences in the Use of Cardiac Procedures in Patients With Acute Myocardial Infarction
Funk M, Ostfeld AM, Chang VM, Lee FA. Racial Differences in the Use of Cardiac Procedures in Patients With Acute Myocardial Infarction. Nursing Research 2002, 51: 148-157. PMID: 12063413, DOI: 10.1097/00006199-200205000-00003.Peer-Reviewed Original ResearchMeSH KeywordsAgedAttitude of Health PersonnelBlack or African AmericanBlack PeopleChi-Square DistributionCohort StudiesConnecticutCoronary AngiographyFemaleHealth Services AccessibilityHumansLogistic ModelsMaleMiddle AgedMyocardial InfarctionMyocardial RevascularizationPatient TransferPrejudiceRetrospective StudiesWhite PeopleConceptsAcute myocardial infarctionUse of angiographyRevascularization proceduresMyocardial infarctionWhite patientsCardiac proceduresRacial differencesRegional cardiac referral centerCardiac referral centerRetrospective cohort studySubstantial racial differencesDemographic factorsObserved racial differencesConsecutive blacksCohort studyReferral centerCoronary angiographyBlack patientsClinical variablesMedical recordsOutlying hospitalsPatientsInfarctionAngiographyHospital