2018
Sex Differences in the Presentation and Perception of Symptoms Among Young Patients With Myocardial Infarction
Lichtman JH, Leifheit EC, Safdar B, Bao H, Krumholz HM, Lorenze NP, Daneshvar M, Spertus JA, D'Onofrio G. Sex Differences in the Presentation and Perception of Symptoms Among Young Patients With Myocardial Infarction. Circulation 2018, 137: 781-790. PMID: 29459463, PMCID: PMC5822747, DOI: 10.1161/circulationaha.117.031650.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionPerception of symptomsChest painCare-seeking behaviorSymptom presentationYounger patientsMyocardial infarctionST-segment elevation acute myocardial infarctionMultivariable hierarchical logistic regressionIndex AMI hospitalizationMajority of womenHierarchical logistic regressionStress/anxietyVIRGO StudyMuscle painPatient characteristicsPredominant symptomAMI symptomsPerceive symptomsProdromal symptomsPatient interviewsHeart diseasePainAMI hospitalizationUS hospitals
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
2014
Variation in Hospital-Level Risk-Standardized Complication Rates Following Elective Primary Total Hip and Knee Arthroplasty
Bozic KJ, Grosso LM, Lin Z, Parzynski CS, Suter LG, Krumholz HM, Lieberman JR, Berry DJ, Bucholz R, Han L, Rapp MT, Bernheim S, Drye EE. Variation in Hospital-Level Risk-Standardized Complication Rates Following Elective Primary Total Hip and Knee Arthroplasty. Journal Of Bone And Joint Surgery 2014, 96: 640-647. PMID: 24740660, DOI: 10.2106/jbjs.l.01639.Peer-Reviewed Original ResearchConceptsElective total hip arthroplastyTotal hip arthroplastyComplication rateBlack patientsStudy cohortTKA proceduresMedicaid patientsU.S. hospitalsMedicare feeElective primary total hip arthroplastyPrimary total hip arthroplastyElective primary total hipTotal knee arthroplasty proceduresPrimary total hipPeriprosthetic joint infectionKnee arthroplasty proceduresNational Medicare feeHigher proportionHospital-level riskNational Quality ForumCross-sectional analysisHierarchical logistic regressionTKA patientsCommon complicationPatient comorbidities