2022
Cardiac Status Among Heart Failure Patients With Implantable Cardioverter Defibrillators Before, During, and After COVID-19 Lockdown
Lu Y, Jones PW, Murugiah K, Caraballo C, Mahajan S, Massey D, Ahmed R, Bader E, Krumholz H. Cardiac Status Among Heart Failure Patients With Implantable Cardioverter Defibrillators Before, During, and After COVID-19 Lockdown. Journal Of Cardiac Failure 2022, 28: 1372-1374. PMID: 35690314, PMCID: PMC9187866, DOI: 10.1016/j.cardfail.2022.05.012.Peer-Reviewed Original ResearchMeSH KeywordsCommunicable Disease ControlCOVID-19Death, Sudden, CardiacDefibrillators, ImplantableElectric CountershockHeart FailureHumansConceptsImplantable cardioverter defibrillatorHeart failure patientsCRT-D devicesCardiac statusFailure patientsHeart failureCardioverter defibrillatorCardiac resynchronization therapy defibrillatorAcute cardiac conditionsMedical care deliveryInpatient careCardiac conditionsPhysiologic markersInpatient servicesPatientsCardiac healthCare deliveryMarked restrictionImplanted ICDsMinneapolis/Saint PaulSex subgroupsDefibrillatorCOVID-19Telemedicine servicesCOVID-19 lockdown
2009
Racial Differences in Survival After In-Hospital Cardiac Arrest
Chan PS, Nichol G, Krumholz HM, Spertus JA, Jones PG, Peterson ED, Rathore SS, Nallamothu BK, Investigators F. Racial Differences in Survival After In-Hospital Cardiac Arrest. JAMA 2009, 302: 1195-1201. PMID: 19755698, PMCID: PMC2795316, DOI: 10.1001/jama.2009.1340.Peer-Reviewed Original ResearchConceptsHospital cardiac arrestCardiac arrestBlack patientsWhite patientsSuccessful resuscitationPostresuscitation survivalRacial differencesHospital sitesIn-Hospital Cardiac ArrestLower ratesPulseless ventricular tachycardiaRate of survivalCohort studyHospital dischargePatient characteristicsClinical factorsImmediate resuscitationPostresuscitation periodNational registryVentricular tachycardiaHospital CenterVentricular fibrillationCardiopulmonary resuscitationAdditional adjustmentPatientsHospital Variation in Time to Defibrillation After In-Hospital Cardiac Arrest
Chan PS, Nichol G, Krumholz HM, Spertus JA, Nallamothu BK. Hospital Variation in Time to Defibrillation After In-Hospital Cardiac Arrest. JAMA Internal Medicine 2009, 169: 1265-1273. PMID: 19636027, DOI: 10.1001/archinternmed.2009.196.Peer-Reviewed Original ResearchConceptsCardiac arrestHospital factorsHospital variationIn-Hospital Cardiac ArrestHospital-level effectsHospital cardiac arrestWorse survivalImproved survivalPatient factorsAdult inpatientsHospital predictorsNational registryHospital ratesCardiopulmonary resuscitationGreater oddsIdentical covariatesDefibrillation delaysHospitalDefibrillationDefibrillation timeSurvivalArrestWide variationPatientsInpatients
2008
ACC/AHA/HRS 2008 Guidelines for Device-Based Therapy of Cardiac Rhythm Abnormalities: Executive Summary A Report of the American College of Cardiology/American Heart Association Task Force on Practice Guidelines (Writing Committee to Revise the ACC/AHA/NASPE 2002 Guideline Update for Implantation of Cardiac Pacemakers and Antiarrhythmia Devices) Developed in Collaboration With the American Association for Thoracic Surgery and Society of Thoracic Surgeons
Epstein AE, DiMarco JP, Ellenbogen KA, Estes NA, Freedman RA, Gettes LS, Gillinov AM, Gregoratos G, Hammill SC, Hayes DL, Hlatky MA, Newby LK, Page RL, Schoenfeld MH, Silka MJ, Stevenson LW, Sweeney MO, Smith S, Jacobs A, Adams C, Anderson J, Buller C, Creager M, Ettinger S, Faxon D, Halperin J, Hiratzka L, Hunt S, Krumholz H, Kushner F, Lytle B, Nishimura R, Ornato J, Page R, Riegel B, Tarkington L, Yancy C. ACC/AHA/HRS 2008 Guidelines for Device-Based Therapy of Cardiac Rhythm Abnormalities: Executive Summary A Report of the American College of Cardiology/American Heart Association Task Force on Practice Guidelines (Writing Committee to Revise the ACC/AHA/NASPE 2002 Guideline Update for Implantation of Cardiac Pacemakers and Antiarrhythmia Devices) Developed in Collaboration With the American Association for Thoracic Surgery and Society of Thoracic Surgeons. Heart Rhythm 2008, 5: 934-955. PMID: 18534377, DOI: 10.1016/j.hrthm.2008.04.015.Peer-Reviewed Original ResearchDelayed Time to Defibrillation after In-Hospital Cardiac Arrest
S. C, M. K, Graham N, K. N, Investigators T. Delayed Time to Defibrillation after In-Hospital Cardiac Arrest. New England Journal Of Medicine 2008, 358: 9-17. PMID: 18172170, DOI: 10.1056/nejmoa0706467.Peer-Reviewed Original ResearchMeSH KeywordsAgedComorbidityElectric CountershockFemaleHeart ArrestHeart FailureHospital Bed CapacityHospital MortalityHospitalizationHumansLogistic ModelsMaleMiddle AgedMultivariate AnalysisMyocardial InfarctionRetrospective StudiesSurvival AnalysisTachycardia, VentricularTime FactorsVentricular FibrillationConceptsHospital cardiac arrestCardiac arrestHospital dischargeIn-Hospital Cardiac ArrestOverall median timePulseless ventricular tachycardiaMultivariable logistic regressionLower ratesMedian timeVentricular arrhythmiasBlack raceHospital characteristicsNational registryVentricular tachycardiaCardiopulmonary resuscitationExpert guidelinesVentricular fibrillationHospital unitsLogistic regressionPatientsDefibrillationSurvivalArrestHospitalMinutes of delay
1993
Cardioversion from Atrial Fibrillation without Prolonged Anticoagulation with Use of Transesophageal Echocardiography to Exclude the Presence of Atrial Thrombi
Manning W, Silverman D, Gordon S, Krumholz H, Douglas P. Cardioversion from Atrial Fibrillation without Prolonged Anticoagulation with Use of Transesophageal Echocardiography to Exclude the Presence of Atrial Thrombi. New England Journal Of Medicine 1993, 328: 750-755. PMID: 8437595, DOI: 10.1056/nejm199303183281102.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overAtrial FibrillationCoronary ThrombosisEchocardiographyElectric CountershockFemaleHeart AtriaHeparinHumansMaleMiddle AgedWarfarinConceptsAtrial thrombusLong-term anticoagulationAtrial fibrillationTransesophageal echocardiographyOral anticoagulationEarly cardioversionTransthoracic echocardiographyLong-term oral anticoagulationConventional noninvasive techniquesOral anticoagulation therapyShort-term anticoagulationPresence of thrombusAnticoagulation therapyEmbolic eventsQualifying patientsConsecutive patientsProlonged anticoagulationSuccessful cardioversionSinus rhythmAnticoagulationCardioversionEchocardiographyPatientsThrombusFibrillation