2020
Rates and Predictors of Patient Underreporting of Hospitalizations During Follow-Up After Acute Myocardial Infarction
Caraballo C, Khera R, Jones PG, Decker C, Schulz W, Spertus JA, Krumholz HM. Rates and Predictors of Patient Underreporting of Hospitalizations During Follow-Up After Acute Myocardial Infarction. Circulation Cardiovascular Quality And Outcomes 2020, 13: e006231. PMID: 32552061, PMCID: PMC9465954, DOI: 10.1161/circoutcomes.119.006231.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionMyocardial infarctionHospitalization eventsMedical recordsLongitudinal multicenter cohort studyMulticenter cohort studyMedical record abstractionDifferent patient characteristicsHealth care eventsPatients' underreportingTRIUMPH registryAccuracy of reportingCohort studyPatient characteristicsRecord abstractionProspective studyClinical studiesClinical investigationHospitalizationPatientsCare eventsInfarctionEvent ratesParticipantsPredictorsSex Differences in Symptom Phenotypes Among Patients With Acute Myocardial Infarction
Brush JE, Krumholz HM, Greene EJ, Dreyer RP. Sex Differences in Symptom Phenotypes Among Patients With Acute Myocardial Infarction. Circulation Cardiovascular Quality And Outcomes 2020, 13: e005948. PMID: 32063049, PMCID: PMC7041412, DOI: 10.1161/circoutcomes.119.005948.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultBiological Variation, IndividualFemaleHealth Status DisparitiesHumansInterviews as TopicMaleMiddle AgedMyocardial InfarctionPatient AdmissionPhenotypePredictive Value of TestsProspective StudiesRisk AssessmentRisk FactorsSex FactorsSpainSymptom AssessmentUnited StatesYoung AdultConceptsAcute myocardial infarctionMyocardial infarctionMedical recordsYoung womenDiagnosis of AMIObservational cohort studyMedical record abstractionSymptom phenotypeDiagnostic processAnalysis of symptomsVIRGO StudyCohort studyRecord abstractionIndividual patientsClinician's abilityDiagnosis rateStandardized interviewPhenotype subgroupsSymptomsSimilar findingsYoung adultsWomenMenInfarctionPatients
2019
Characteristics, Management, and Outcomes of Patients Hospitalized for Heart Failure in China: The China PEACE Retrospective Heart Failure Study
Yu Y, Gupta A, Wu C, Masoudi FA, Du X, Zhang J, Krumholz HM, Li J, Group T. Characteristics, Management, and Outcomes of Patients Hospitalized for Heart Failure in China: The China PEACE Retrospective Heart Failure Study. Journal Of The American Heart Association 2019, 8: e012884. PMID: 31431117, PMCID: PMC6755852, DOI: 10.1161/jaha.119.012884.Peer-Reviewed Original ResearchConceptsHeart failureHF careSignificant healthcare resource utilizationBackground Heart failureGuideline-recommended medicationsLower inpatient mortalityAcute heart failureOutcomes of patientsHealthcare resource utilizationLower prescription ratesMedical record abstractionHeart Failure StudyTraditional Chinese medicineHospital mortalityConclusions PatientsInpatient mortalityPatient characteristicsTreatment withdrawalEjection fractionMedian agePrescription ratesRecord abstractionMedian lengthBiomarker testingInpatient setting
2017
Sex Differences in 1-Year All-Cause Rehospitalization in Patients After Acute Myocardial Infarction
Dreyer RP, Dharmarajan K, Kennedy KF, Jones PG, Vaccarino V, Murugiah K, Nuti SV, Smolderen KG, Buchanan DM, Spertus JA, Krumholz HM. Sex Differences in 1-Year All-Cause Rehospitalization in Patients After Acute Myocardial Infarction. Circulation 2017, 135: 521-531. PMID: 28153989, PMCID: PMC5312975, DOI: 10.1161/circulationaha.116.024993.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionAge-sex interactionHigh riskRehospitalization ratesClinical factorsMyocardial infarctionCox proportional hazards modelSignificant age-sex interactionCause rehospitalization rateSex differencesMedical record abstractionProportional hazards modelYears of ageFirst yearTRIUMPH studyCause rehospitalizationRecord abstractionPatient interviewsRehospitalizationUS CentersHazards modelPsychosocial factorsPhysician panelHealth statusPsychosocial state
2016
The China Patient-Centred Evaluative Assessment of Cardiac Events (China PEACE)-Prospective Study of 3-Vessel Disease: rationale and design
Rao C, Bongiovanni T, Li X, Gao H, Zhang H, Li J, Zhao Y, Yuan X, Hua K, Hu S, Krumholz HM, Jiang L, Zheng Z. The China Patient-Centred Evaluative Assessment of Cardiac Events (China PEACE)-Prospective Study of 3-Vessel Disease: rationale and design. BMJ Open 2016, 6: e009743. PMID: 26880670, PMCID: PMC4762131, DOI: 10.1136/bmjopen-2015-009743.Peer-Reviewed Original ResearchConceptsComplex coronary artery diseaseCoronary artery diseaseArtery diseaseLarge cardiovascular centresCardiac eventsProspective studyCardiovascular CenterTreatment strategiesCoronary revascularisation proceduresSYNTAX score calculationThree-vessel diseaseElective coronary angiographyMedical record abstractionPatient-reported outcomesAppropriateness of treatmentQuality improvement initiativesQuality of lifeEligible patientsRevascularisation proceduresAdverse eventsGuideline adherenceHospital factorsProspective cohortSecondary preventionCoronary angiographyReturn to Work After Acute Myocardial Infarction
Dreyer RP, Xu X, Zhang W, Du X, Strait KM, Bierlein M, Bucholz EM, Geda M, Fox J, D'Onofrio G, Lichtman JH, Bueno H, Spertus JA, Krumholz HM. Return to Work After Acute Myocardial Infarction. Circulation Cardiovascular Quality And Outcomes 2016, 9: s45-s52. PMID: 26908859, PMCID: PMC4771977, DOI: 10.1161/circoutcomes.115.002611.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionMyocardial infarctionYoung AMI Patients (VIRGO) studyPrevious coronary diseaseYoung populationPatients' sociodemographic characteristicsSex differencesMedical record abstractionMultivariable regression analysisCoronary diseasePatient characteristicsYounger patientsRecord abstractionPatient interviewsHealth characteristicsPsychosocial factorsWorse recoverySociodemographic characteristicsHealth measuresGreater riskYoung womenPhysical healthPatient studiesHigher likelihoodYoung men
2015
Do Non-Clinical Factors Improve Prediction of Readmission Risk? Results From the Tele-HF Study
Krumholz HM, Chaudhry SI, Spertus JA, Mattera JA, Hodshon B, Herrin J. Do Non-Clinical Factors Improve Prediction of Readmission Risk? Results From the Tele-HF Study. JACC Heart Failure 2015, 4: 12-20. PMID: 26656140, PMCID: PMC5459404, DOI: 10.1016/j.jchf.2015.07.017.Peer-Reviewed Original ResearchConceptsReadmission ratesPatient-reported informationHeart failureHealth statusReadmission riskC-statisticRisk scorePsychosocial variablesMedical record abstractionWeeks of dischargeReadmission risk modelNon-clinical factorsCandidate risk factorsReadmission risk predictionRecord abstractionClinical variablesPatient interviewsMedical recordsRisk factorsPatientsPsychosocial informationPsychosocial characteristicsTelephone interviewsRisk predictionScores10 year trends in urban–rural disparities in treatments and outcomes after ST-elevation myocardial infarction in China: insights from the China PEACE-Retrospective Acute Myocardial Infarction Study
Li X, Murugiah K, Li J, Wang Q, Hu S, Masoudi F, Spertus J, Downing N, Chan P, Krumholz H, Jiang L, Group C. 10 year trends in urban–rural disparities in treatments and outcomes after ST-elevation myocardial infarction in China: insights from the China PEACE-Retrospective Acute Myocardial Infarction Study. The Lancet 2015, 386: s2. DOI: 10.1016/s0140-6736(15)00580-2.Peer-Reviewed Original ResearchST-segment elevation myocardial infarctionCase of STEMIUrban hospitalRural hospitalsMyocardial infarctionAcute Myocardial Infarction StudyST-elevation myocardial infarctionMedical chart abstractionACEI/ARBMyocardial Infarction StudyElevation myocardial infarctionMedical record abstractionAdjusted odds ratioCertain clinical conditionsTwo-stage random sampling designQuality of careRisk-adjusted ratesCompleteness of documentationHospital complicationsHospital mortalityHospital deathReperfusion therapyChart abstractionComposite outcomeFamily Planning CommissionGender Differences in the Trajectory of Recovery in Health Status Among Young Patients With Acute Myocardial Infarction
Dreyer RP, Wang Y, Strait KM, Lorenze NP, D'Onofrio G, Bueno H, Lichtman JH, Spertus JA, Krumholz HM. Gender Differences in the Trajectory of Recovery in Health Status Among Young Patients With Acute Myocardial Infarction. Circulation 2015, 131: 1971-1980. PMID: 25862743, PMCID: PMC4657729, DOI: 10.1161/circulationaha.114.014503.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionHealth status scoresHealth statusMyocardial infarctionStatus scoreMedical record abstractionMental summary scoresShort Form-12Disease-specific measuresHealth status measuresWomen's health statusYears of ageLower health status scoresLinear mixed-effects analysisPatients 18Younger patientsRecord abstractionForm-12Excess riskMixed-effects analysisPatient interviewsSpanish hospitalsBaseline hospitalizationSummary scoresGender differencesGender differences in pre-event health status of young patients with acute myocardial infarction: A VIRGO study analysis
Dreyer RP, Smolderen KG, Strait KM, Beltrame JF, Lichtman JH, Lorenze NP, D’Onofrio G, Bueno H, Krumholz HM, Spertus JA. Gender differences in pre-event health status of young patients with acute myocardial infarction: A VIRGO study analysis. European Heart Journal Acute Cardiovascular Care 2015, 5: 43-54. PMID: 25681487, PMCID: PMC4658311, DOI: 10.1177/2048872615568967.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionPrior coronary artery diseaseCoronary artery diseaseHealth statusMyocardial infarctionYounger patientsArtery diseaseCoronary artery disease historyDisease-specific health statusAcute myocardial infarction patientsAggressive symptom controlCornerstone of careWorse physical functionBaseline health statusMedical record abstractionVisual analog scaleHealth status outcomesMyocardial infarction patientsDisease-specific measuresMean health scoresLogistic regression analysisQuality of lifeHealth status informationGender differencesSymptom control
2014
Design and rationale of the comprehensive evaluation of risk factors in older patients with AMI (SILVER-AMI) study
Dodson JA, Geda M, Krumholz HM, Lorenze N, Murphy TE, Allore HG, Charpentier P, Tsang SW, Acampora D, Tinetti ME, Gill TM, Chaudhry SI. Design and rationale of the comprehensive evaluation of risk factors in older patients with AMI (SILVER-AMI) study. BMC Health Services Research 2014, 14: 506. PMID: 25370536, PMCID: PMC4239317, DOI: 10.1186/s12913-014-0506-4.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionHealth status declineOlder patientsRisk factorsGeriatric impairmentsHospital readmissionOlder adultsDetailed medical record abstractionStatus declineDiagnostic study resultsPost-AMI outcomesProportion of patientsProspective cohort studyMedical record abstractionAMI studyHealth status measuresClinical characteristicsCohort studyRecord abstractionAdverse outcomesMyocardial infarctionAcademic hospitalHospital assessmentMultivariable regressionStatus measuresProtocol for the China PEACE (Patient-centered Evaluative Assessment of Cardiac Events) retrospective study of coronary catheterisation and percutaneous coronary intervention
Li J, Dharmarajan K, Li X, Lin Z, Normand SL, Krumholz HM, Jiang L, Group F. Protocol for the China PEACE (Patient-centered Evaluative Assessment of Cardiac Events) retrospective study of coronary catheterisation and percutaneous coronary intervention. BMJ Open 2014, 4: e004595. PMID: 24607563, PMCID: PMC3948460, DOI: 10.1136/bmjopen-2013-004595.Peer-Reviewed Original ResearchConceptsPercutaneous coronary interventionCoronary catheterisationCoronary interventionPatient characteristicsRetrospective studyCardiovascular diseaseComplications of treatmentCost of hospitalisationMedical record abstractionPatterns of careDiagnostic testing patternsTwo-stage clusterHospital outcomesRecord abstractionChinese healthcare systemStudy protocolCase ascertainmentImproved careCatheterisationProcedural treatmentsHospitalCentral Ethics CommitteeChinese hospitalsPatientsChina National Center
2004
Delay in diagnosis of acute myocardial infarction: Increasingly common, lower quality of care
Graff L, Wang Y, Foody J, Meehan T, Tuozzo K, Krumholz H, Radford M. Delay in diagnosis of acute myocardial infarction: Increasingly common, lower quality of care. Annals Of Emergency Medicine 2004, 44: s46. DOI: 10.1016/j.annemergmed.2004.07.151.Peer-Reviewed Original ResearchAcute myocardial infarctionQuality of careDiagnosis of AMIUnstable anginaMyocardial infarctionAMI casesPossible acute myocardial infarctionCoronary artery diseaseMedical record abstractionPrincipal discharge diagnosisSecondary diagnosis codesAMI dischargeDischarge therapyAdmission diagnosisComorbidity scoreArtery diseasePatient characteristicsComorbid conditionsRecord abstractionAcute careDischarge diagnosisDiagnosis codesAnginaAMI diagnosisCare measurement
2003
Metformin and Thiazolidinedione Use in Medicare Patients With Heart Failure
Masoudi FA, Wang Y, Inzucchi SE, Setaro JF, Havranek EP, Foody JM, Krumholz HM. Metformin and Thiazolidinedione Use in Medicare Patients With Heart Failure. JAMA 2003, 290: 81-85. PMID: 12837715, DOI: 10.1001/jama.290.1.81.Peer-Reviewed Original ResearchConceptsHeart failureDiabetic patientsConcomitant diabetesThiazolidinedione useMedicare beneficiariesRetrospective medical record abstractionUse of metforminAdvanced heart failureProportion of patientsHeart failure therapyMedical record abstractionAcute care hospitalsMetformin useFailure therapyHospital dischargeCare hospitalRecord abstractionOptimal carePrimary diagnosisAntihyperglycemic drugsMedicare patientsDrug treatmentPatterns of usePatientsPackage inserts