2024
Sex differences in treatment strategies for pulmonary embolism in older adults: The SERIOUS-PE study of RIETE participants and US Medicare beneficiaries.
Bikdeli B, Leyva H, Muriel A, Lin Z, Piazza G, Khairani C, Rosovsky R, Mehdipour G, O'Donoghue M, Madridano O, Lopez-Saez J, Mellado M, Diaz Brasero A, Grandone E, Spagnolo P, Lu Y, Bertoletti L, López-Jiménez L, Jesús Núñez M, Blanco-Molina Á, Gerhard-Herman M, Goldhaber S, Bates S, Jimenez D, Krumholz H, Monreal M. Sex differences in treatment strategies for pulmonary embolism in older adults: The SERIOUS-PE study of RIETE participants and US Medicare beneficiaries. Vascular Medicine 2024, 1358863x241292023. PMID: 39588564, DOI: 10.1177/1358863x241292023.Peer-Reviewed Original ResearchRegistro Informatizado Enfermedad TromboEmbolicaIntermediate-risk PEInferior vena cavaPulmonary embolismFibrinolytic therapyAdvanced therapiesInferior vena cava filter placementUS Medicare beneficiariesSex differencesOlder adultsMedicare beneficiariesAnticoagulation patternsFilter placementVena cavaMale patientsClinical outcomesTreatment strategiesAssess sex differencesPE therapyTherapyRisk factorsStandardized differenceAnticoagulationTherapy utilizationSex disparities
2016
China PEACE risk estimation tool for in-hospital death from acute myocardial infarction: an early risk classification tree for decisions about fibrinolytic therapy
Li X, Li J, Masoudi FA, Spertus JA, Lin Z, Krumholz HM, Jiang L. China PEACE risk estimation tool for in-hospital death from acute myocardial infarction: an early risk classification tree for decisions about fibrinolytic therapy. BMJ Open 2016, 6: e013355. PMID: 27798032, PMCID: PMC5093680, DOI: 10.1136/bmjopen-2016-013355.Peer-Reviewed Original ResearchConceptsST-segment elevation myocardial infarctionAcute myocardial infarctionFibrinolytic therapyLow-risk groupMyocardial infarctionHospital deathHospital mortalitySegment elevation myocardial infarctionCardiac Events (PEACE) studyHospital death riskComposite of deathElevation myocardial infarctionSystolic blood pressureTime of presentationRelative risk reductionCross-sectional studyBaseline mortality riskAcute reperfusionMajor bleedingReperfusion therapyBlood pressureDerivation cohortStudy cohortChina PatientValidation cohortFibrinolytic therapy in hospitals without percutaneous coronary intervention capabilities in China from 2001 to 2011: China PEACE-retrospective AMI study
Li J, Li X, Ross JS, Wang Q, Wang Y, Desai NR, Xu X, Nuti SV, Masoudi FA, Spertus JA, Krumholz HM, Jiang L, Group F. Fibrinolytic therapy in hospitals without percutaneous coronary intervention capabilities in China from 2001 to 2011: China PEACE-retrospective AMI study. European Heart Journal Acute Cardiovascular Care 2016, 6: 232-243. PMID: 26787648, DOI: 10.1177/2048872615626656.Peer-Reviewed Original ResearchConceptsST-segment elevation myocardial infarctionElevation myocardial infarctionFibrinolytic therapyMyocardial infarctionPercutaneous coronary intervention capabilitySequential cross-sectional studiesChina PEACE-Retrospective AMI StudyPrimary reperfusion strategyPercutaneous coronary interventionLittle clinical evidenceCross-sectional studyQuality of careTwo-stage random samplingCoronary interventionHospital delayNeedle timeReperfusion strategySymptom onsetTherapy useClinical evidenceEmergency departmentMedian admissionIdeal patientPatientsWeighted proportion
2015
Sex Differences in Reperfusion in Young Patients With ST-Segment–Elevation Myocardial Infarction
D'Onofrio G, Safdar B, Lichtman JH, Strait KM, Dreyer RP, Geda M, Spertus JA, Krumholz HM. Sex Differences in Reperfusion in Young Patients With ST-Segment–Elevation Myocardial Infarction. Circulation 2015, 131: 1324-1332. PMID: 25792558, PMCID: PMC4652789, DOI: 10.1161/circulationaha.114.012293.Peer-Reviewed Original ResearchConceptsST-segment elevation myocardial infarctionMyocardial infarctionReperfusion therapyAcute ST-segment elevation myocardial infarctionProspective observational cohort studyYoung AMI Patients (VIRGO) studyTime guidelinesYoung womenObservational cohort studyProportion of patientsElevation myocardial infarctionPercutaneous coronary interventionYears of ageSex differencesPatients 18Reperfusion strategyCohort studyCoronary interventionFibrinolytic therapyNeedle timeYounger patientsReperfusion delayRatio of womenReperfusion guidelinesSex disparities
2011
National Performance on Door-In to Door-Out Time Among Patients Transferred for Primary Percutaneous Coronary Intervention
Herrin J, Miller LE, Turkmani DF, Nsa W, Drye EE, Bernheim SM, Ling SM, Rapp MT, Han LF, Bratzler DW, Bradley EH, Nallamothu BK, Ting HH, Krumholz HM. National Performance on Door-In to Door-Out Time Among Patients Transferred for Primary Percutaneous Coronary Intervention. JAMA Internal Medicine 2011, 171: 1879-1886. PMID: 22123793, PMCID: PMC4312661, DOI: 10.1001/archinternmed.2011.481.Peer-Reviewed Original ResearchConceptsPercutaneous coronary interventionDIDO timeCoronary interventionST-segment elevation acute myocardial infarctionMixed-effects multivariable modelElevation acute myocardial infarctionPrimary percutaneous coronary interventionMedian DIDO timeAcute myocardial infarctionFibrinolytic therapyPatient characteristicsMultivariable analysisEmergency departmentMyocardial infarctionHospital characteristicsMultivariable modelPatientsRural hospitalsHospitalMedicaid ServicesAge categoriesInterventionAfrican AmericansMinutesTreatment time
2009
Choice of Reperfusion Strategy at Hospitals With Primary Percutaneous Coronary Intervention
Fazel R, Krumholz HM, Bates ER, French WJ, Frederick PD, Nallamothu BK. Choice of Reperfusion Strategy at Hospitals With Primary Percutaneous Coronary Intervention. Circulation 2009, 120: 2455-2461. PMID: 19948977, DOI: 10.1161/circulationaha.109.860544.Peer-Reviewed Original ResearchConceptsST-segment elevation myocardial infarctionElevation myocardial infarctionPCI-capable hospitalsPrimary PCIReperfusion strategyMyocardial infarctionFibrinolytic therapySystem-related factorsPercutaneous coronary intervention capabilityMyocardial Infarction (TIMI) risk scorePrimary percutaneous coronary interventionHierarchical multivariable logistic regressionKey clinical factorsPercutaneous coronary interventionMultivariable logistic regressionPCI useCardiogenic shockCoronary interventionClinical factorsIntracranial hemorrhageNonwhite raceNational registryRisk factorsAdvanced ageFemale gender
2008
An early invasive strategy versus ischemia-guided management after fibrinolytic therapy for ST-segment elevation myocardial infarction: A meta-analysis of contemporary randomized controlled trials
Wijeysundera HC, You JJ, Nallamothu BK, Krumholz HM, Cantor WJ, Ko DT. An early invasive strategy versus ischemia-guided management after fibrinolytic therapy for ST-segment elevation myocardial infarction: A meta-analysis of contemporary randomized controlled trials. American Heart Journal 2008, 156: 564-572.e2. PMID: 18760142, DOI: 10.1016/j.ahj.2008.04.024.Peer-Reviewed Original ResearchMeSH KeywordsAngioplasty, Balloon, CoronaryCardiac CatheterizationElectrocardiographyFemaleFibrinolytic AgentsHemorrhageHumansInjections, IntravenousInpatientsMaleMiddle AgedMyocardial InfarctionMyocardial IschemiaMyocardial ReperfusionRandomized Controlled Trials as TopicRecurrenceStentsStrokeThrombolytic TherapyConceptsST-segment elevation myocardial infarctionEarly invasive strategyPercutaneous coronary interventionElevation myocardial infarctionFibrinolytic therapyInvasive strategyMajor bleedingSTEMI patientsMyocardial infarctionHospital major bleedingIntravenous fibrinolytic therapyLarge randomized trialsRisk of strokeSignificant reductionCause mortalityEligible trialsCoronary interventionRandomized trialsContemporary trialsStent useInclusion criteriaPatientsReinfarctionTherapyTrials
2007
Acute Reperfusion Therapy in ST-Elevation Myocardial Infarction from 1994-2003
Nallamothu BK, Blaney ME, Morris SM, Parsons L, Miller DP, Canto JG, Barron HV, Krumholz HM, Investigators R. Acute Reperfusion Therapy in ST-Elevation Myocardial Infarction from 1994-2003. The American Journal Of Medicine 2007, 120: 693.e1-693.e8. PMID: 17679128, PMCID: PMC2020513, DOI: 10.1016/j.amjmed.2007.01.028.Peer-Reviewed Original ResearchConceptsAcute reperfusion therapyST-elevation myocardial infarctionReperfusion therapyMyocardial infarctionIdeal patientPrimary percutaneous coronary interventionPercutaneous coronary interventionNational performance measuresChest painCoronary interventionFibrinolytic therapySymptom onsetNational registryPatientsTherapyInfarctionKey subgroupsAppropriate utilizationTime periodRecent time periodPainRegistryCohortContemporary useImportant opportunityImpact of Delay in Door-to-Needle Time on Mortality in Patients With ST-Segment Elevation Myocardial Infarction
McNamara RL, Herrin J, Wang Y, Curtis JP, Bradley EH, Magid DJ, Rathore SS, Nallamothu BK, Peterson ED, Blaney ME, Frederick P, Krumholz HM. Impact of Delay in Door-to-Needle Time on Mortality in Patients With ST-Segment Elevation Myocardial Infarction. The American Journal Of Cardiology 2007, 100: 1227-1232. PMID: 17920362, PMCID: PMC2715362, DOI: 10.1016/j.amjcard.2007.05.043.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overArrhythmias, CardiacCaliforniaCohort StudiesEmergency Service, HospitalEmergency TreatmentFemaleFibrinolytic AgentsHospital MortalityHumansMaleMedical RecordsMyocardial InfarctionOutcome Assessment, Health CareRegistriesRetrospective StudiesThrombolytic TherapyTime and Motion StudiesTime FactorsConceptsST-segment elevation myocardial infarctionElevation myocardial infarctionNeedle timeFibrinolytic therapyMyocardial infarctionHospital mortalitySymptom onsetOdds ratioReperfusion strategyAdjunctive medicationsHospital arrivalShorter doorTimely administrationNational registryRepresentative cohortPatientsMortalityInfarctionTherapyIndependent effectsCohortMinutesSmaller centersOnsetImpact of delayRescue Angioplasty or Repeat Fibrinolysis After Failed Fibrinolytic Therapy for ST-Segment Myocardial Infarction A Meta-Analysis of Randomized Trials
Wijeysundera HC, Vijayaraghavan R, Nallamothu BK, Foody JM, Krumholz HM, Phillips CO, Kashani A, You JJ, Tu JV, Ko DT. Rescue Angioplasty or Repeat Fibrinolysis After Failed Fibrinolytic Therapy for ST-Segment Myocardial Infarction A Meta-Analysis of Randomized Trials. Journal Of The American College Of Cardiology 2007, 49: 422-430. PMID: 17258087, DOI: 10.1016/j.jacc.2006.09.033.Peer-Reviewed Original ResearchConceptsRescue percutaneous coronary interventionPercutaneous coronary interventionST-segment myocardial infarctionFibrinolytic therapyCause mortalityMinor bleedingRandomized trialsRisk of strokeSignificant clinical improvementImproved clinical outcomesSignificant risk reductionFixed-effects modelRescue angioplastySTEMI patientsClinical improvementConservative managementConservative treatmentCoronary interventionHospital dischargeHeart failureClinical outcomesMyocardial infarctionBest therapyCommon treatmentPatients
2006
Gender Differences in Treatment of Heart Failure and Acute Myocardial Infarction
Gold LD, Krumholz HM. Gender Differences in Treatment of Heart Failure and Acute Myocardial Infarction. Cardiology In Review 2006, 14: 180-186. PMID: 16788330, DOI: 10.1097/01.crd.0000194093.53005.f0.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionHeart failureMyocardial infarctionCoronary artery bypass graft surgeryNational Heart Failure ProjectArtery bypass graft surgeryLeft ventricular ejection fractionShort-term mortality rateEnzyme inhibitor prescriptionHeart Failure ProjectBypass graft surgeryPercutaneous coronary interventionVentricular ejection fractionCooperative Cardiovascular ProjectRisk of mortalityQuality of carePoor quality careGraft surgeryInhibitor prescriptionCoronary interventionFibrinolytic therapyReadmission ratesCardiac catheterizationEjection fractionACE inhibitorsThe Pre-Hospital Electrocardiogram and Time to Reperfusion in Patients With Acute Myocardial Infarction, 2000–2002 Findings From the National Registry of Myocardial Infarction-4
Curtis JP, Portnay EL, Wang Y, McNamara RL, Herrin J, Bradley EH, Magid DJ, Blaney ME, Canto JG, Krumholz HM. The Pre-Hospital Electrocardiogram and Time to Reperfusion in Patients With Acute Myocardial Infarction, 2000–2002 Findings From the National Registry of Myocardial Infarction-4. Journal Of The American College Of Cardiology 2006, 47: 1544-1552. PMID: 16630989, DOI: 10.1016/j.jacc.2005.10.077.Peer-Reviewed Original ResearchConceptsST-segment elevation myocardial infarctionPre-hospital electrocardiogramPrimary percutaneous coronary interventionMyocardial infarction 4Mean doorReperfusion timeHospital characteristicsNational registryTreatment of STEMILimited contemporary informationElevation myocardial infarctionPercutaneous coronary interventionBundle branch blockAcute reperfusionECG usePCI cohortReperfusion therapyBalloon timeCoronary interventionFibrinolytic therapyTherapy cohortMyocardial infarctionBranch blockNational guidelinesDrug timeRegionalization of ST-Segment Elevation Acute Coronary Syndromes Care Putting a National Policy in Proper Perspective
Rathore SS, Epstein AJ, Nallamothu BK, Krumholz HM. Regionalization of ST-Segment Elevation Acute Coronary Syndromes Care Putting a National Policy in Proper Perspective. Journal Of The American College Of Cardiology 2006, 47: 1346-1349. PMID: 16580519, PMCID: PMC2789345, DOI: 10.1016/j.jacc.2005.11.053.Peer-Reviewed Original ResearchConceptsPrimary percutaneous coronary interventionPrimary PCISTEMI patientsFibrinolytic therapyPCI hospitalsST-segment elevation myocardial infarction (STEMI) careAcute coronary syndrome careHigh-volume PCI hospitalsHigh-risk STEMI patientsElevation Myocardial Infarction CareHigh-volume hospitalsLow-volume hospitalsPercutaneous coronary interventionMyocardial infarction careCardiac care facilitiesHealth care resourcesHealth care systemInitial hospitalPCI patientsCoronary interventionU.S. health care systemAverage patientSingle deathCare facilitiesPatientsRelation Between Hospital Specialization With Primary Percutaneous Coronary Intervention and Clinical Outcomes in ST-Segment Elevation Myocardial Infarction
Nallamothu BK, Wang Y, Magid DJ, McNamara RL, Herrin J, Bradley EH, Bates ER, Pollack CV, Krumholz HM. Relation Between Hospital Specialization With Primary Percutaneous Coronary Intervention and Clinical Outcomes in ST-Segment Elevation Myocardial Infarction. Circulation 2006, 113: 222-229. PMID: 16401769, DOI: 10.1161/circulationaha.105.578195.Peer-Reviewed Original ResearchConceptsST-segment elevation myocardial infarctionElevation myocardial infarctionHospital mortalityBalloon timePPCI volumeFibrinolytic therapyClinical outcomesMyocardial infarctionPrimary percutaneous coronary intervention capabilityPercutaneous coronary intervention capabilityPrimary percutaneous coronary interventionHierarchical multivariable regressionMyocardial infarction 4Hospital-level factorsPercutaneous coronary interventionHospital specializationSTEMI patientsCoronary interventionHighest quartileShorter doorHospital characteristicsNational registryLowest quartileRelative riskMultivariable regression
2005
Hospital Improvement in Time to Reperfusion in Patients With Acute Myocardial Infarction, 1999 to 2002
McNamara RL, Herrin J, Bradley EH, Portnay EL, Curtis JP, Wang Y, Magid DJ, Blaney M, Krumholz HM, Investigators N. Hospital Improvement in Time to Reperfusion in Patients With Acute Myocardial Infarction, 1999 to 2002. Journal Of The American College Of Cardiology 2005, 47: 45-51. PMID: 16386663, PMCID: PMC1475926, DOI: 10.1016/j.jacc.2005.04.071.Peer-Reviewed Original ResearchConceptsST-segment elevation myocardial infarctionBalloon timeMin/yearNeedle timeMyocardial infarctionHospital characteristicsAcute ST-segment elevation myocardial infarctionPercutaneous coronary intervention cohortPercutaneous coronary intervention volumeElevation myocardial infarctionPercutaneous coronary interventionRetrospective observational studyFour-year study periodRapid reperfusionCoronary interventionFibrinolytic therapyHospital arrivalTherapy cohortReperfusion timeIntervention cohortNational registryIntervention volumeObservational studyHospital improvementPatientsRelationship Between Time of Day, Day of Week, Timeliness of Reperfusion, and In-Hospital Mortality for Patients With Acute ST-Segment Elevation Myocardial Infarction
Magid DJ, Wang Y, Herrin J, McNamara RL, Bradley EH, Curtis JP, Pollack CV, French WJ, Blaney ME, Krumholz HM. Relationship Between Time of Day, Day of Week, Timeliness of Reperfusion, and In-Hospital Mortality for Patients With Acute ST-Segment Elevation Myocardial Infarction. JAMA 2005, 294: 803-812. PMID: 16106005, DOI: 10.1001/jama.294.7.803.Peer-Reviewed Original ResearchMeSH KeywordsAdultAfter-Hours CareAgedAged, 80 and overAngioplasty, Balloon, CoronaryBenchmarkingChronology as TopicFemaleHospital MortalityHospitalsHumansMaleMiddle AgedMyocardial InfarctionMyocardial ReperfusionRegistriesRetrospective StudiesThrombolytic TherapyTime and Motion StudiesTime FactorsUnited StatesUtilization ReviewConceptsST-segment elevation myocardial infarctionPercutaneous coronary interventionElevation myocardial infarctionBalloon timeFibrinolytic therapyHospital mortalityMyocardial infarctionAcute ST-segment elevation myocardial infarctionDrug timeRegular hoursTimeliness of reperfusionIn-Hospital MortalityDay of weekPCI patientsReperfusion therapyCohort studyCoronary interventionMean doorHospital characteristicsCatheterization laboratoryBetter outcomesPatientsHospital subgroupsTherapyPatient arrivalTimes to Treatment in Transfer Patients Undergoing Primary Percutaneous Coronary Intervention in the United States
Nallamothu BK, Bates ER, Herrin J, Wang Y, Bradley EH, Krumholz HM. Times to Treatment in Transfer Patients Undergoing Primary Percutaneous Coronary Intervention in the United States. Circulation 2005, 111: 761-767. PMID: 15699253, DOI: 10.1161/01.cir.0000155258.44268.f8.Peer-Reviewed Original ResearchConceptsPrimary PCIPrimary percutaneous coronary interventionST-segment elevation myocardial infarctionPercutaneous coronary interventionBalloon timeTransfer patientsCoronary interventionInterhospital transferMyocardial infarctionTotal doorRecent clinical trialsSpecific ECG findingsMultivariable hierarchical modelsChest painHospital presentationInitial hospitalFibrinolytic therapyPCI hospitalsPrimary outcomeSymptom onsetComorbid conditionsTreatment delayECG findingsHospital characteristicsNational registry
2004
Racial and Ethnic Differences in Time to Acute Reperfusion Therapy for Patients Hospitalized With Myocardial Infarction
Bradley EH, Herrin J, Wang Y, McNamara RL, Webster TR, Magid DJ, Blaney M, Peterson ED, Canto JG, Pollack CV, Krumholz HM. Racial and Ethnic Differences in Time to Acute Reperfusion Therapy for Patients Hospitalized With Myocardial Infarction. JAMA 2004, 292: 1563-1572. PMID: 15467058, DOI: 10.1001/jama.292.13.1563.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overAngioplasty, Balloon, CoronaryAsian PeopleBlack PeopleFemaleHispanic or LatinoHospitalsHumansInsurance, HospitalizationMaleMiddle AgedMyocardial InfarctionOutcome Assessment, Health CarePatient AdmissionRetrospective StudiesSocioeconomic FactorsThrombolytic TherapyTime and Motion StudiesTime FactorsUnited StatesWhite PeopleConceptsST-segment elevation myocardial infarctionAcute reperfusion therapyElevation myocardial infarctionMyocardial infarctionReperfusion therapyAfrican American/BlackBalloon timeInsurance statusAmerican/BlackEthnic differencesPercutaneous coronary interventionBundle branch blockAsian/Pacific IslandersHealth care disparitiesRace/ethnicity differencesRace/ethnicityClinical characteristicsCoronary interventionFibrinolytic therapyHospital arrivalNonwhite patientsPrimary reperfusionWhite patientsUS cohortHospital characteristics
2001
The Connecticut Cardiovascular Consortium: a unique, state-wide research collaboration to advance clinical outcomes in patients with heart disease.
Boden WE, McKay RG, Cabin HS, Radford MJ, Krumholz HM, Zaret BL, Garner L, Bull MB, Fisherkeller M, Kosinski EJ, Krauthamer MJ, Maljanian R, McDowell AV, Sands MJ, Schwartz KV, Seltzer JP, Hager JD. The Connecticut Cardiovascular Consortium: a unique, state-wide research collaboration to advance clinical outcomes in patients with heart disease. Connecticut Medicine 2001, 65: 597-604. PMID: 11702518.Peer-Reviewed Original ResearchConceptsST-segment elevation acute myocardial infarctionPercutaneous coronary interventionClinical outcomesSegment elevation acute myocardial infarctionConnecticut residentsPatient careElevation acute myocardial infarctionUltimate clinical impactHealth care delivery modelsAcute myocardial infarctionCurrent health care policiesClinical outcome assessmentHealth care providersGood clinical practiceHealth care accessDifferent treatment patternsEvidence-based medicineHealth care policyMechanical reperfusionMechanical revascularizationPCI capabilityCoronary interventionFibrinolytic therapyTreatment patternsMyocardial infarction