2021
Temporal relationship of computed and structured diagnoses in electronic health record data
Schulz WL, Young HP, Coppi A, Mortazavi BJ, Lin Z, Jean RA, Krumholz HM. Temporal relationship of computed and structured diagnoses in electronic health record data. BMC Medical Informatics And Decision Making 2021, 21: 61. PMID: 33596898, PMCID: PMC7890604, DOI: 10.1186/s12911-021-01416-x.Peer-Reviewed Original ResearchMeSH KeywordsDiabetes MellitusElectronic Health RecordsHumansHypertensionInformation Storage and RetrievalOutpatientsConceptsElectronic health recordsStructured diagnosisOutpatient blood pressureElectronic health record dataAcademic health systemLow-density lipoproteinHealth record dataBlood pressureStructured data elementsAdministrative claimsHypertensionClinical informationHyperlipidemiaClinical phenotypeEquivalent diagnosisVital signsHealth systemDiagnosisProblem listAdditional studiesHealth recordsRecord dataTimely accessEHR dataPatients
2015
Differences in Colonoscopy Quality Among Facilities: Development of a Post-Colonoscopy Risk-Standardized Rate of Unplanned Hospital Visits
Ranasinghe I, Parzynski CS, Searfoss R, Montague J, Lin Z, Allen J, Vender R, Bhat K, Ross JS, Bernheim S, Krumholz HM, Drye EE. Differences in Colonoscopy Quality Among Facilities: Development of a Post-Colonoscopy Risk-Standardized Rate of Unplanned Hospital Visits. Gastroenterology 2015, 150: 103-113. PMID: 26404952, DOI: 10.1053/j.gastro.2015.09.009.Peer-Reviewed Original ResearchConceptsUnplanned hospital visitsDay of colonoscopyHospital visitsOutpatient facilitiesColonoscopy qualityHealthcare costsRisk-standardized ratesHospital outpatient departmentsUtilization Project dataAmbulatory surgery centersLogistic regression modelsHierarchical logistic regressionQuality improvement effortsPrior arrhythmiaAbdominal painElectrolyte imbalanceOutpatient departmentSurgery centersCommon causeHospital careOutcome measuresPsychiatric disordersColonoscopyUtilization ProjectPatient choice
2011
Statin Use in Outpatients With Obstructive Coronary Artery Disease
Arnold SV, Spertus JA, Tang F, Krumholz HM, Borden WB, Farmer SA, Ting HH, Chan PS. Statin Use in Outpatients With Obstructive Coronary Artery Disease. Circulation 2011, 124: 2405-2410. PMID: 22064595, PMCID: PMC3527107, DOI: 10.1161/circulationaha.111.038265.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overArterial Occlusive DiseasesCardiovascular DiseasesCholesterol, LDLCoronary Artery DiseaseFemaleHumansHydroxymethylglutaryl-CoA Reductase InhibitorsMaleMiddle AgedOutpatientsPractice Guidelines as TopicProspective StudiesRegistriesRetrospective StudiesRisk FactorsTreatment OutcomeConceptsObstructive coronary artery diseaseLow-density lipoprotein cholesterol levelsCoronary artery diseaseLipoprotein cholesterol levelsLipid-lowering therapyCholesterol levelsStatin therapyUntreated patientsStatin treatmentArtery diseaseLow-density lipoprotein cholesterol valuesNonstatin lipid-lowering medicationsRobust clinical trial evidenceRecent coronary revascularizationClinical trial evidenceLipid-lowering medicationsRoutine outpatient careLipoprotein cholesterol valuesRate of treatmentNonstatin medicationsNonstatin therapiesOutpatient registryCardiovascular morbidityCoronary revascularizationLipid management
2007
Identifying Heart Failure Patients at High Risk for Near-Term Cardiovascular Events With Serial Health Status Assessments
Kosiborod M, Soto GE, Jones PG, Krumholz HM, Weintraub WS, Deedwania P, Spertus JA. Identifying Heart Failure Patients at High Risk for Near-Term Cardiovascular Events With Serial Health Status Assessments. Circulation 2007, 115: 1975-1981. PMID: 17420346, DOI: 10.1161/circulationaha.106.670901.Peer-Reviewed Original ResearchConceptsKansas City Cardiomyopathy QuestionnaireHeart failure outpatientsHealth status assessmentCause mortalityCardiovascular mortalityKaplan-Meier survival analysisHigh-risk patientsHeart failure patientsAcute myocardial infarctionProportional hazards modelIntensity of treatmentStatus assessmentKCCQ scoresCardiovascular deathCardiovascular eventsClinical deteriorationMultivariable adjustmentFailure patientsHeart failureOutpatient visitsMyocardial infarctionHigh riskHospitalizationPatientsCombined outcome
2005
Validity of Using an Electronic Medical Record for Assessing Quality of Care in an Outpatient Setting
Benin AL, Vitkauskas G, Thornquist E, Shapiro ED, Concato J, Aslan M, Krumholz HM. Validity of Using an Electronic Medical Record for Assessing Quality of Care in an Outpatient Setting. Medical Care 2005, 43: 691-698. PMID: 15970784, DOI: 10.1097/01.mlr.0000167185.26058.8e.Peer-Reviewed Original ResearchConceptsElectronic medical recordsManagement of pharyngitisMedical recordsHealth Plan Employer DataDiagnostic testsEpisode of pharyngitisOutpatient electronic medical recordsProportion of episodesDiagnosis of pharyngitisOutpatient settingTotal episodesPharyngitisEmployer DataElectronic databasesDiagnostic testingClinical encountersMeasures of qualityEpisodesComplete evaluationCareAssessing QualityPediatricsYearsProportionDiagnosisLow-to-Moderate Alcohol Intake and Health Status in Heart Failure Patients
Salisbury AC, House JA, Conard MW, Krumholz HM, Spertus JA. Low-to-Moderate Alcohol Intake and Health Status in Heart Failure Patients. Journal Of Cardiac Failure 2005, 11: 323-328. PMID: 15948080, DOI: 10.1016/j.cardfail.2004.11.009.Peer-Reviewed Original ResearchConceptsKansas City Cardiomyopathy QuestionnaireModerate alcohol intakeHealth statusHF hospitalizationAlcohol intakeAlcohol abstinenceBaseline Kansas City Cardiomyopathy QuestionnaireShort Form-12 scoresComplete alcohol abstinenceHeart failure guidelinesMulticenter observational studyHeart failure patientsModerate alcohol consumptionSF-12 scoresKCCQ scoresHF outpatientsHF patientsFailure patientsMultivariable analysisBaseline differencesObservational studyModerate drinkersAlcohol consumptionSimilar outcomesAlcohol useThe Obesity Paradox: Body Mass Index and Outcomes in Patients With Heart Failure
Curtis JP, Selter JG, Wang Y, Rathore SS, Jovin IS, Jadbabaie F, Kosiborod M, Portnay EL, Sokol SI, Bader F, Krumholz HM. The Obesity Paradox: Body Mass Index and Outcomes in Patients With Heart Failure. JAMA Internal Medicine 2005, 165: 55-61. PMID: 15642875, DOI: 10.1001/archinte.165.1.55.Peer-Reviewed Original ResearchConceptsBody mass indexHeart failureDigitalis Investigation Group trialBaseline body mass indexStable heart failureStudy of patientsLean patientsObese patientsMass indexHealthy weightAdverse outcomesChronic diseasesGroup trialsGeneral populationStable outpatientsBetter outcomesPatientsOutcomesOverweightObesityOutpatientsDiseaseTrials
2003
The association of left ventricular ejection fraction, mortality, and cause of death in stable outpatients with heart failure
Curtis JP, Sokol SI, Wang Y, Rathore SS, Ko DT, Jadbabaie F, Portnay EL, Marshalko SJ, Radford MJ, Krumholz HM. The association of left ventricular ejection fraction, mortality, and cause of death in stable outpatients with heart failure. Journal Of The American College Of Cardiology 2003, 42: 736-742. PMID: 12932612, DOI: 10.1016/s0735-1097(03)00789-7.Peer-Reviewed Original ResearchConceptsLeft ventricular ejection fractionVentricular ejection fractionHeart failureCause of deathLVEF groupHF patientsMultivariable adjustmentEjection fractionStable outpatientsAssociation of LVEFHigher left ventricular ejection fractionLow left ventricular ejection fractionDigitalis Investigation Group trialHigh LVEF groupStable HF patientsPrognostic importanceAbsolute riskPrognostic indicatorSinus rhythmGroup trialsMortality ratePatientsMortalityDeathOutpatients