2020
Physician trajectories of abandoning long‐course breast radiotherapy and their cost impact
Xu X, Soulos PR, Herrin J, Wang S, Pollack CE, Evans SB, Yu JB, Gross CP. Physician trajectories of abandoning long‐course breast radiotherapy and their cost impact. Health Services Research 2020, 56: 497-506. PMID: 33070305, PMCID: PMC8143683, DOI: 10.1111/1475-6773.13572.Peer-Reviewed Original ResearchConceptsPhysician peer groupsWhole breast irradiationCF-WBIRisk-adjusted ratesBreast radiotherapyPractice patternsLow useChronic Conditions Data WarehouseDistinct practice patternsPatients' clinical characteristicsSetting of radiotherapyAdjuvant breast radiotherapyYears of ageDistinct trajectoriesImportant cost implicationsHigher useAdjuvant radiotherapyClinical characteristicsEligible womenBreast cancerCost implicationsLatent class growth analysisService beneficiariesMedicare programRadiotherapy
2019
Association Between Degrees of Separation in Physician Networks and Surgeons’ Use of Perioperative Breast Magnetic Resonance Imaging
Shi Y, Pollack CE, Soulos PR, Herrin J, Christakis NA, Xu X, Gross CP. Association Between Degrees of Separation in Physician Networks and Surgeons’ Use of Perioperative Breast Magnetic Resonance Imaging. Medical Care 2019, 57: 460-467. PMID: 31008899, PMCID: PMC6522278, DOI: 10.1097/mlr.0000000000001123.Peer-Reviewed Original ResearchConceptsBreast magnetic resonance imagingMagnetic resonance imagingPerioperative magnetic resonance imagingMRI useResonance imagingSurgeons' useBreast cancer carePatient-sharing networksPractice of surgeonsPairs of surgeonsUnproven benefitRetrospective studyPhysician pairsCancer carePractice patternsBreast cancerMRI utilizationMedicare dataSurgical colleaguesPatientsSurgeonsStudy periodPhysician networksCareAssociation
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