2013
Variation Exists in Rates of Admission to Intensive Care Units for Heart Failure Patients Across Hospitals in the United States
Safavi KC, Dharmarajan K, Kim N, Strait KM, Li SX, Chen SI, Lagu T, Krumholz HM. Variation Exists in Rates of Admission to Intensive Care Units for Heart Failure Patients Across Hospitals in the United States. Circulation 2013, 127: 923-929. PMID: 23355624, PMCID: PMC3688061, DOI: 10.1161/circulationaha.112.001088.Peer-Reviewed Original ResearchConceptsIntensive care unitHeart failureRisk-standardized mortalityICU admissionICU useCare unitPatient outcomesCoronary intensive care unitMedical intensive care unitNoninvasive positive pressure ventilationSurgical intensive care unitTop quartileGreater ICU useOverall heart failureTop quartile hospitalsICU admission ratePercent of patientsPremier Perspective databaseHeart failure patientsPositive pressure ventilationRate of admissionHigh-cost settingsQuality of careHF admissionsICU days
2001
Physician characteristics and the initiation of beta-adrenergic blocking agent therapy after acute myocardial infarction in a managed care population.
Fehrenbach SN, Budnitz DS, Gazmararian JA, Krumholz HM. Physician characteristics and the initiation of beta-adrenergic blocking agent therapy after acute myocardial infarction in a managed care population. The American Journal Of Managed Care 2001, 7: 717-23. PMID: 11464429.Peer-Reviewed Original ResearchConceptsBeta-adrenergic blocking agentsAcute myocardial infarctionBeta-adrenergic blocking agent therapyRegion of hospitalizationFamily practice physiciansPhysician characteristicsBlocking agentMyocardial infarctionHospital dischargeAgent therapyPractice physiciansPercent of patientsRetrospective administrative data analysisPatient agePatient characteristicsMedication claimsStudy cohortCare populationCardiac treatmentAdministrative data analysisInfarctionMultivariate modelPhysiciansHospitalizationCare organizations
2000
Variations among hospitals in the quality of care for heart failure.
Luthi JC, McClellan WM, Fitzgerald D, Herrin J, Delaney RJ, Krumholz HM, Bratzler DW, Elward K, Cangialose CB, Ballard DJ. Variations among hospitals in the quality of care for heart failure. Effective Clinical Practice : ECP 2000, 3: 69-77. PMID: 10915326.Peer-Reviewed Original ResearchConceptsQuality of careCongestive heart failureLeft ventricular functionHeart failureVentricular functionEnzyme inhibitorsLeft ventricular systolic dysfunctionAngiotensin-converting enzyme inhibitorDaily weight monitoringPercent of patientsVentricular systolic dysfunctionProportion of patientsHospital medical recordsLow sodium dietQuality Improvement ProgramSubstantial hospitalSystolic dysfunctionDischarge medicationsHospital variationDischarge instructionsMedical recordsPractice patternsPatientsTarget doseWeight monitoring
1996
Cardiac Risk of Noncardiac Surgery in Patients with Asymmetric Septal Hypertrophy
Haering M, Comunale M, Parker R, Lowenstein E, Douglas P, Krumholz H, Manning W. Cardiac Risk of Noncardiac Surgery in Patients with Asymmetric Septal Hypertrophy. Anesthesiology 1996, 85: 254-259. PMID: 8712439, DOI: 10.1097/00000542-199608000-00005.Peer-Reviewed Original ResearchConceptsAdverse cardiac eventsAsymmetric septal hypertrophyAdverse perioperative cardiac eventsPerioperative cardiac eventsCongestive heart failureCardiac eventsNoncardiac surgerySeptal hypertrophyHeart failureMajor surgeryCardiac riskMyocardial infarctionImportant independent risk factorOutflow tract gradientPercent of patientsDuration of surgeryIndependent risk factorLength of surgerySystolic anterior motionPrior myocardial infarctionCoronary artery diseaseType of anesthesiaAnterior mitral leafletEmergent cardioversionTract gradient