2015
An Administrative Claims Measure of Payments Made for Medicare Patients for a 30-Day Episode of Care for Acute Myocardial Infarction
Kim N, Bernheim SM, Ott LS, Han L, Spivack SB, Xu X, Volpe M, Liu A, Krumholz HM. An Administrative Claims Measure of Payments Made for Medicare Patients for a 30-Day Episode of Care for Acute Myocardial Infarction. Medical Care 2015, 53: 542-549. PMID: 25970575, DOI: 10.1097/mlr.0000000000000361.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionMyocardial infarctionICD-9 codes 410Administrative Claims MeasurePatients 65 yearsDate of admissionClaims-based measuresIntraclass correlation coefficient scoreIntraclass correlation coefficientValue of careHigh-value careClinical variablesDischarge diagnosisMedicare patientsMedicare claimsClinical careAMI episodeAMI hospitalizationCare costsCode 410HospitalizationMedicaid ServicesHospitalClaims measuresCare
2014
Payments for Acute Myocardial Infarction Episodes-of-Care Initiated at Hospitals With and Without Interventional Capabilities
Ben-Josef G, Ott LS, Spivack SB, Wang C, Ross JS, Shah SJ, Curtis JP, Kim N, Krumholz HM, Bernheim SM. Payments for Acute Myocardial Infarction Episodes-of-Care Initiated at Hospitals With and Without Interventional Capabilities. Circulation Cardiovascular Quality And Outcomes 2014, 7: 882-888. PMID: 25387777, DOI: 10.1161/circoutcomes.114.000927.Peer-Reviewed Original ResearchConceptsNon-PCI hospitalsCoronary artery bypass graft ratesPCI hospitalsAcute myocardial infarctionMyocardial infarctionPercutaneous coronary intervention capabilityAcute myocardial infarction admissionsLower revascularization ratesPrincipal discharge diagnosisTreatment of patientsMyocardial infarction admissionsHigh rateMyocardial infarction episodeGraft ratePCI capabilityPCI useIndex admissionRevascularization ratesClinical characteristicsPatient demographicsDays postadmissionDischarge diagnosisMedicare patientsCare proceduresMedicare fee
2013
Hospital readmission performance and patterns of readmission: retrospective cohort study of Medicare admissions
Dharmarajan K, Hsieh AF, Lin Z, Bueno H, Ross JS, Horwitz LI, Barreto-Filho JA, Kim N, Suter LG, Bernheim SM, Drye EE, Krumholz HM. Hospital readmission performance and patterns of readmission: retrospective cohort study of Medicare admissions. The BMJ 2013, 347: f6571. PMID: 24259033, PMCID: PMC3898430, DOI: 10.1136/bmj.f6571.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionRetrospective cohort studyReadmission diagnosesReadmission ratesHeart failureMyocardial infarctionCohort studySpecific diagnosisReadmission performanceHospital readmission performancePatterns of readmissionDay readmission rateRisk-standardized readmission ratesLow performing hospitalsHospital performanceHigh performing hospitalsReadmission timingDay readmissionHospital stayIndex admissionHospital dischargeReadmission patternsHospital admissionCommon diagnosisMedian timeDiagnoses and Timing of 30-Day Readmissions After Hospitalization for Heart Failure, Acute Myocardial Infarction, or Pneumonia
Dharmarajan K, Hsieh AF, Lin Z, Bueno H, Ross JS, Horwitz LI, Barreto-Filho JA, Kim N, Bernheim SM, Suter LG, Drye EE, Krumholz HM. Diagnoses and Timing of 30-Day Readmissions After Hospitalization for Heart Failure, Acute Myocardial Infarction, or Pneumonia. JAMA 2013, 309: 355-363. PMID: 23340637, PMCID: PMC3688083, DOI: 10.1001/jama.2012.216476.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionCommon readmission diagnosesAcute MI hospitalizationReadmission diagnosesDays of hospitalizationPatient demographic characteristicsHeart failureMyocardial infarctionHF hospitalizationReadmission timingPneumonia hospitalizationsMedian timeMI hospitalizationMedicare feeIndex HF hospitalizationIndex pneumonia hospitalizationProportion of patientsDemographic characteristicsService claims dataMI cohortPneumonia cohortHF cohortCondition categoriesHospitalizationReadmission