2018
Emergency Department Volume and Outcomes for Patients After Chest Pain Assessment
Ko DT, Dattani ND, Austin PC, Schull MJ, Ross JS, Wijeysundera HC, Tu JV, Eberg M, Koh M, Krumholz HM. Emergency Department Volume and Outcomes for Patients After Chest Pain Assessment. Circulation Cardiovascular Quality And Outcomes 2018, 11: e004683. PMID: 30354285, DOI: 10.1161/circoutcomes.118.004683.Peer-Reviewed Original ResearchConceptsAcute coronary syndromeChest painHigh-volume EDsCoronary syndromeED volumeVolume thresholdCardiac medication useChest pain assessmentLower adverse outcomesEmergency department visitsAdjusted odds ratioPopulation-based dataProcess of carePotential confounding variablesHigher ED volumesHierarchical logistic regression modelsLogistic regression modelsEmergency department volumeCause deathCardiac testingComposite outcomeDepartment visitsDiabetes mellitusMedication usePrimary outcome
2003
Gender, age, and heart failure with preserved left ventricular systolic function
Masoudi FA, Havranek EP, Smith G, Fish RH, Steiner JF, Ordin DL, Krumholz HM. Gender, age, and heart failure with preserved left ventricular systolic function. Journal Of The American College Of Cardiology 2003, 41: 217-223. PMID: 12535812, DOI: 10.1016/s0735-1097(02)02696-7.Peer-Reviewed Original ResearchConceptsLeft ventricular systolic functionImpaired left ventricular systolic functionVentricular systolic functionHeart failureSystolic functionFemale genderDiagnosis of HFMedical chart abstractionCoronary artery diseasePrincipal discharge diagnosisAge 65 yearsMultivariable logistic regressionCross-sectional studyPotential confounding variablesRenal insufficiencyChart abstractionClinical characteristicsElderly patientsArtery diseaseEjection fractionPulmonary diseasePatient factorsAtrial fibrillationDischarge diagnosisPotential confounders