1994
Double sequential external shocks for refractory ventricular fibrillation
Hoch D, Batsford W, Greenberg S, McPherson C, Rosenfeld L, Marieb M, Levine J. Double sequential external shocks for refractory ventricular fibrillation. Journal Of The American College Of Cardiology 1994, 23: 1141-1145. PMID: 8144780, DOI: 10.1016/0735-1097(94)90602-5.Peer-Reviewed Original ResearchMeSH KeywordsElectric CountershockElectrophysiologyFemaleHeart Conduction SystemHumansMaleMiddle AgedVentricular Fibrillation
1992
Strategies in the Surgical Treatment of Malignant Ventricular Arrhythmias An 8-year Experience
GEHA A, ELEFTERIADES J, HSU J, BIBLO L, HOCH D, BATSFORD W, ROSENFELD L, CARLSON M, JOHNSON N, WALDO A. Strategies in the Surgical Treatment of Malignant Ventricular Arrhythmias An 8-year Experience. Annals Of Surgery 1992, 216: 309-317. PMID: 1417180, PMCID: PMC1242614, DOI: 10.1097/00000658-199209000-00010.Peer-Reviewed Original ResearchConceptsAutomatic implantable cardioverter defibrillatorSubendocardial resectionVentricular tachycardiaSurgical treatmentLV aneurysmSudden deathThirty-day mortality rateSevere LV dysfunctionCongestive heart failureRecurrent ventricular tachycardiaSignificant myocardial ischemiaLong-term survivorsMalignant ventricular arrhythmiasMalignant ventricular tachyarrhythmiasCent of survivorsImplantable cardioverter defibrillatorLong-term survivalActuarial survivalAntiarrhythmic medicationsLate deathsComparable patientsLV dysfunctionConsecutive patientsHeart failureVentricular arrhythmiasAntiarrhythmic drug exacerbation of ventricular tachycardia inducibility during electrophysiologic study
Sager P, Perlmutter R, Rosenfeld L, Batsford W. Antiarrhythmic drug exacerbation of ventricular tachycardia inducibility during electrophysiologic study. American Heart Journal 1992, 123: 926-933. PMID: 1550002, DOI: 10.1016/0002-8703(92)90698-u.Peer-Reviewed Original ResearchConceptsTest-negative groupInducible ventricular tachycardiaTest positive groupVentricular tachycardiaElectrophysiologic studyVentricular arrhythmiasClinical characteristicsSignificant organic heart diseaseInducible sustained ventricular tachycardiaDrug-induced exacerbationGroups' clinical characteristicsInducible ventricular arrhythmiasDrug testsVentricular ejection fractionVentricular tachycardia inductionOrganic heart diseaseSustained ventricular tachycardiaBundle branch blockDrug-free stateVentricular tachycardia inducibilityTachycardia inductionAntiarrhythmic therapyInducible arrhythmiasEjection fractionVentricular aneurysm
1989
Rapid self-terminating ventricular tachycardia induced during electrophysiologic study: A prospective evaluation
Sager P, Perlmutter R, Rosenfeld L, McPherson C, Batsford W. Rapid self-terminating ventricular tachycardia induced during electrophysiologic study: A prospective evaluation. Journal Of The American College Of Cardiology 1989, 13: 385-390. PMID: 2913116, DOI: 10.1016/0735-1097(89)90516-0.Peer-Reviewed Original ResearchConceptsGroup B patientsSelf-terminating ventricular tachycardiaGroup A patientsB patientsGroup C patientsVentricular tachycardiaA patientsC patientsElectrophysiologic studyGroup ALeft ventricular ejection fractionClinical ventricular arrhythmiasVentricular ejection fractionCoronary artery diseaseStructural heart diseaseSustained ventricular tachycardiaInduced ventricular tachycardiaClinical characteristicsArtery diseaseEjection fractionVentricular arrhythmiasPatient groupProspective evaluationElectrophysiologic characteristicsHeart disease
1988
Electrophysiologic effects of thrombolytic therapy in patients with a transmural anterior myocardial infarction complicated by left ventricular aneurysm formation
Sager P, Perlmutter R, Rosenfeld L, McPherson C, Wackers F, Batsford W. Electrophysiologic effects of thrombolytic therapy in patients with a transmural anterior myocardial infarction complicated by left ventricular aneurysm formation. Journal Of The American College Of Cardiology 1988, 12: 19-24. PMID: 3379204, DOI: 10.1016/0735-1097(88)90350-6.Peer-Reviewed Original ResearchConceptsGroup B patientsLeft ventricular aneurysm formationTransmural anterior myocardial infarctionGroup A patientsVentricular aneurysm formationAnterior myocardial infarctionThrombolytic therapyB patientsVentricular tachycardiaA patientsVentricular arrhythmiasMyocardial infarctionAneurysm formationNew bundle branch blockPeak creatine kinase-MB levelsLeft ventricular ejection fractionCreatine kinase-MB levelsClinical arrhythmic eventsEarly thrombolytic therapyCongestive heart failureVentricular ejection fractionSustained ventricular tachycardiaInduced ventricular arrhythmiasBundle branch blockPostmyocardial infarction patients
1987
Dissociation of electrophysiologic and pharmacologic stability during an abbreviated oral loading regimen of amiodarone
Rosenfeld L, Kennedy E, Perlmutter R, Bookbinder M, McPherson C, Batsford W. Dissociation of electrophysiologic and pharmacologic stability during an abbreviated oral loading regimen of amiodarone. American Heart Journal 1987, 114: 1367-1374. PMID: 3687689, DOI: 10.1016/0002-8703(87)90538-2.Peer-Reviewed Original ResearchConceptsVentricular tachycardiaMicrograms/Sinus node recovery timeCycle lengthLoading regimenEarly outpatient managementOral loading regimenSinus cycle lengthSinoatrial conduction timeWenckebach cycle lengthVentricular refractory periodsDesethylamiodarone levelsElectrophysiologic testingHV intervalOutpatient managementElectrophysiologic studySerum levelsInpatient therapyElectrophysiologic changesTreatment periodConduction timeHigh-pressure liquid chromatographyRefractory periodDosing phaseRegimen
1986
Ventricular tachycardia induction: Comparison of triple extrastimuli with an abrupt change in ventricular drive cycle length
Rosenfeld L, McPherson C, Kennedy E, Stark S, Batsford W. Ventricular tachycardia induction: Comparison of triple extrastimuli with an abrupt change in ventricular drive cycle length. American Heart Journal 1986, 111: 868-874. PMID: 3706105, DOI: 10.1016/0002-8703(86)90635-6.Peer-Reviewed Original ResearchConceptsRight ventricular apexDouble extrastimuliTriple extrastimuliVentricular arrhythmiasVentricular tachycardiaVentricular apexCycle lengthSerial drug testingGroup III patientsDrive cycle lengthSustained ventricular tachycardiaIndwelling catheterIII patientsClinical arrhythmiaLow suspicionStimulation protocolTachycardiaExtrastimuliPatientsGroup IArrhythmiasDrug testingCatheterFibrillationSuspicionMechanisms and relevance of arrhythmias induced by high-current programmed ventricular stimulation
Kennedy E, Rosenfeld L, McPherson C, Stark S, Batsford W. Mechanisms and relevance of arrhythmias induced by high-current programmed ventricular stimulation. The American Journal Of Cardiology 1986, 57: 598-603. PMID: 3953446, DOI: 10.1016/0002-9149(86)90842-8.Peer-Reviewed Original ResearchMeSH KeywordsAgedArrhythmias, CardiacCardiac Pacing, ArtificialElectrocardiographyElectrophysiologyFemaleHeart VentriclesHumansMaleMiddle AgedConceptsSustained ventricular tachycardiaVentricular fibrillationTriple extrastimuliVentricular stimulationVentricular tachycardiaDiastolic thresholdConduction timeCoupling intervalExtrastimulus coupling intervalLocal conduction timeIntraventricular conduction timeVentricular refractory periodsUncertain clinical significanceVentricular refractorinessSustained arrhythmiaClinical significanceRefractory periodStimulation modalitiesExtrastimuliStimulationTachycardiaPatientsArrhythmogenicityArrhythmiasGreater increment
1985
Evaluation by serial electrophysiologic studies of an abbreviated oral loading regimen of amiodarone
Kennedy E, Rosenfeld L, McPherson C, Batsford W. Evaluation by serial electrophysiologic studies of an abbreviated oral loading regimen of amiodarone. The American Journal Of Cardiology 1985, 56: 867-871. PMID: 3904386, DOI: 10.1016/0002-9149(85)90772-6.Peer-Reviewed Original ResearchConceptsVentricular tachycardia cycle lengthOral loading regimenTachycardia cycle lengthVentricular refractory periodsVentricular tachycardia inducibilityTachycardia inducibilityAV nodal Wenckebach cycle lengthCycle lengthRefractory periodLoading regimenSerial electrophysiologic testingMonths of therapyWeeks of therapyLow maintenance doseSerial electrophysiologic studiesWenckebach cycle lengthMinority of casesMaintenance therapyOral amiodaroneElectrophysiologic testingMaintenance doseMaintenance regimensHV intervalElectrophysiologic studyAH intervalDay-to-day reproducibility of responses to right ventricular programmed electrical stimulation: Implications for serial drug testing
McPherson C, Rosenfeld L, Batsford W. Day-to-day reproducibility of responses to right ventricular programmed electrical stimulation: Implications for serial drug testing. The American Journal Of Cardiology 1985, 55: 689-695. PMID: 3976510, DOI: 10.1016/0002-9149(85)90138-9.Peer-Reviewed Original ResearchConceptsVentricular tachycardiaVT inductionElectrical stimulationInduction of VTAntiarrhythmic drug therapySerial drug testingSecond control studySuch patientsPatient groupDrug therapyDay reproducibilityPatientsMore PEControl studyElectrical stimuliDrug testingStimulation modeBaseline stateStimulationTherapyInductionDaysFirst studyResponseTachycardia
1983
Intraventricular Wenckebach conduction and localized reentry in a case of right ventricular dysplasia with recurrent ventricular tachycardia
Rosenfeld L, Batsford W. Intraventricular Wenckebach conduction and localized reentry in a case of right ventricular dysplasia with recurrent ventricular tachycardia. Journal Of The American College Of Cardiology 1983, 2: 585-591. PMID: 6875123, DOI: 10.1016/s0735-1097(83)80290-3.Peer-Reviewed Original ResearchConceptsRecurrent ventricular tachycardiaRight ventricular dysplasiaVentricular dysplasiaVentricular tachycardiaWenckebach conductionSerial electrophysiologic studiesContinuous electrical activityRight ventricular apexTermination of tachycardiaElectrophysiologic findingsAntiarrhythmic drugsElectrophysiologic studyRight ventricleLocalized reentryReentrant mechanismVentricular apexNoninvasive evaluationTachycardiaReproducible initiationElectrical activityDysplasiaAbnormal portionExtrastimuliPatientsArrhythmias