2022
Sex-based differences in atrial fibrillation ablation adverse events
Mszar R, Friedman D, Ong E, Du C, Wang Y, Zeitler E, Cunningham S, Akar J, Curtis J, Freeman J. Sex-based differences in atrial fibrillation ablation adverse events. Heart 2022, 109: 595-605. PMID: 36104219, DOI: 10.1136/heartjnl-2022-321192.Peer-Reviewed Original ResearchMeSH KeywordsAdultAtrial FibrillationCatheter AblationCohort StudiesFemaleHumansLungMaleQuality of LifeTreatment OutcomeConceptsAcute pulmonary vein isolationAdverse eventsPulmonary vein isolationAtrial fibrillationHigh riskSex-based differencesVein isolationCatheter ablationFemale sexLarge prospective registryHospital adverse eventsMajor adverse eventsObservational cohort studyPhrenic nerve damageAF ablation proceduresQuality of lifeAblation RegistryMore comorbiditiesProspective registryAF ablationCohort studyPericardial effusionNerve damagePatient sexVascular injury
2011
Use of Medical Imaging Procedures With Ionizing Radiation in Children: A Population-Based Study
Dorfman AL, Fazel R, Einstein AJ, Applegate KE, Krumholz HM, Wang Y, Christodoulou E, Chen J, Sanchez R, Nallamothu BK. Use of Medical Imaging Procedures With Ionizing Radiation in Children: A Population-Based Study. JAMA Pediatrics 2011, 165: 458-464. PMID: 21199972, PMCID: PMC3686496, DOI: 10.1001/archpediatrics.2010.270.Peer-Reviewed Original ResearchConceptsDiagnostic imaging proceduresTomographic scanImaging proceduresRetrospective cohort analysisPopulation-based ratesPediatric populationPlain radiographyCohort analysisHigh dosesMedical diagnostic imaging proceduresStudy periodAppropriate useChildrenHigh rateMedical imaging proceduresScansFrequent useHealth care marketUS health care marketYearsPatientsInfantsPopulationCare marketUnitedHealthcare
2001
Blood Transfusion in Elderly Patients with Acute Myocardial Infarction
Wu W, Rathore S, Wang Y, Radford M, Krumholz H. Blood Transfusion in Elderly Patients with Acute Myocardial Infarction. New England Journal Of Medicine 2001, 345: 1230-1236. PMID: 11680442, DOI: 10.1056/nejmoa010615.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionBlood transfusionMyocardial infarctionElderly patientsHematocrit valuesMortality rateLower short-term mortality rateMedicare beneficiaries 65 yearsShort-term mortality rateUse of transfusionsCoronary artery diseaseBeneficiaries 65 yearsDegree of anemiaLow hematocrit valuesArtery diseaseRetrospective studySubgroup analysisTransfusionPatientsAdmissionInfarctionMortalityHematocritAdverse effectsAnemiaPredicting one-year mortality among elderly survivors of hospitalization for an acute myocardial infarction: results from the Cooperative Cardiovascular Project
Krumholz H, Chen J, Chen Y, Wang Y, Radford M. Predicting one-year mortality among elderly survivors of hospitalization for an acute myocardial infarction: results from the Cooperative Cardiovascular Project. Journal Of The American College Of Cardiology 2001, 38: 453-459. PMID: 11499737, DOI: 10.1016/s0735-1097(01)01395-x.Peer-Reviewed Original ResearchConceptsOne-year mortalityAcute myocardial infarctionMyocardial infarctionPeripheral vascular diseaseCohort of patientsBody mass indexCooperative Cardiovascular ProjectRisk of mortalityDeath one yearPopulation-based sampleSimple risk modelRenal dysfunctionVentricular dysfunctionElderly patientsOlder patientsUrinary incontinenceHeart failureMass indexAcute carePrognostic importanceMean ageVascular diseaseMedical recordsRisk groupsOlder survivors
1999
Comparing AMI Mortality Among Hospitals in Patients 65 Years of Age and Older
Krumholz H, Chen J, Wang Y, Radford M, Chen Y, Marciniak T. Comparing AMI Mortality Among Hospitals in Patients 65 Years of Age and Older. Circulation 1999, 99: 2986-2992. PMID: 10368115, DOI: 10.1161/01.cir.99.23.2986.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionMyocardial infarctionWhite blood cell countPatients 65 yearsSystolic blood pressureCongestive heart failureMedical chart reviewReceiver-operating characteristic curveBlood cell countRisk-adjusted outcomesYears of ageAdministrative billing codesRisk-adjustment modelsHospital outcomesSerum creatinineChart reviewDerivation cohortHeart failurePatient characteristicsBlood pressureCardiac arrestValidation cohortCandidate predictor variablesAMI mortalityBilling codes