2014
Hospital Variation in Noninvasive Positive Pressure Ventilation for Acute Decompensated Heart Failure
Kulkarni VT, Kim N, Dai Y, Dharmarajan K, Safavi KC, Bikdeli B, Lindenauer PK, Testani J, Dries DL, Krumholz HM. Hospital Variation in Noninvasive Positive Pressure Ventilation for Acute Decompensated Heart Failure. Circulation Heart Failure 2014, 7: 427-433. PMID: 24633829, PMCID: PMC4386575, DOI: 10.1161/circheartfailure.113.000698.Peer-Reviewed Original ResearchConceptsAcute decompensated heart failureNoninvasive positive pressure ventilationDecompensated heart failureRisk-standardized mortality ratesPositive pressure ventilationHeart failureIntubation rateMortality ratePressure ventilationUse of NPPVHospital risk-standardized mortality ratesHigher intubation rateHospital practice patternsHospital-level outcomesCross-sectional studyHierarchical logistic regression modelsLogistic regression modelsNIPPV useHospital variationSuch hospitalizationsPractice patternsHospitalizationHospitalQuartileBottom quartile
2013
Spending more, doing more, or both? An alternative method for quantifying utilization during hospitalizations
Lagu T, Krumholz HM, Dharmarajan K, Partovian C, Kim N, Mody PS, Li S, Strait KM, Lindenauer PK. Spending more, doing more, or both? An alternative method for quantifying utilization during hospitalizations. Journal Of Hospital Medicine 2013, 8: 373-379. PMID: 23757115, PMCID: PMC4014449, DOI: 10.1002/jhm.2046.Peer-Reviewed Original ResearchVariation Exists in Rates of Admission to Intensive Care Units for Heart Failure Patients Across Hospitals in the United States
Safavi KC, Dharmarajan K, Kim N, Strait KM, Li SX, Chen SI, Lagu T, Krumholz HM. Variation Exists in Rates of Admission to Intensive Care Units for Heart Failure Patients Across Hospitals in the United States. Circulation 2013, 127: 923-929. PMID: 23355624, PMCID: PMC3688061, DOI: 10.1161/circulationaha.112.001088.Peer-Reviewed Original ResearchMeSH KeywordsCohort StudiesCross-Sectional StudiesDatabases, FactualFemaleHeart FailureHospital MortalityHospitalsHumansIntensive Care UnitsMalePatient AdmissionUnited StatesConceptsIntensive care unitHeart failureRisk-standardized mortalityICU admissionICU useCare unitPatient outcomesCoronary intensive care unitMedical intensive care unitNoninvasive positive pressure ventilationSurgical intensive care unitTop quartileGreater ICU useOverall heart failureTop quartile hospitalsICU admission ratePercent of patientsPremier Perspective databaseHeart failure patientsPositive pressure ventilationRate of admissionHigh-cost settingsQuality of careHF admissionsICU days
2012
Procedure Intensity and the Cost of Care
Chen SI, Dharmarajan K, Kim N, Strait KM, Li SX, Safavi KC, Lindenauer PK, Krumholz HM, Lagu T. Procedure Intensity and the Cost of Care. Circulation Cardiovascular Quality And Outcomes 2012, 5: 308-313. PMID: 22576844, PMCID: PMC3415230, DOI: 10.1161/circoutcomes.112.966069.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAged, 80 and overCosts and Cost AnalysisCross-Sectional StudiesFemaleHeart FailureHospital Bed CapacityHospital CostsHospital MortalityHospitalizationHospitals, RuralHospitals, TeachingHospitals, UrbanHumansLength of StayLinear ModelsMaleMiddle AgedModels, EconomicOutcome and Process Assessment, Health CareResidence CharacteristicsRisk AssessmentRisk FactorsTime FactorsTreatment OutcomeUnited StatesYoung AdultConceptsHF hospitalizationHeart failureInvasive proceduresHospital groupRisk-standardized mortality ratesProportion of patientsLength of stayCost of careWilcoxon rank sum testHigher procedure ratesRank sum testPatient demographicsPerspective databaseMedian lengthSurgical proceduresProcedure ratesHospitalizationOutcome differencesMortality rateHospitalPatientsPractice styleProcedure useSum testOverall use
2006
Challenges in ambulatory resident education: medication knowledge in disadvantaged patients.
Kim N, Talwalkar J, Holmboe E. Challenges in ambulatory resident education: medication knowledge in disadvantaged patients. Connecticut Medicine 2006, 70: 549-57. PMID: 17131901.Peer-Reviewed Original ResearchConceptsMedication knowledgePatients' medication knowledgeSide effectsMedication namesPoor medication knowledgeLow-income patientsCross-sectional studyDiscrepant medicationsResident providersClinic visitsMost patientsDisadvantaged patientsMedication adherenceMedication mismanagementSame clinicTherapeutic failureChronic conditionsChronic diseasesTreatment goalsMedication informationClinic accessPatientsMedicationsTeaching clinicPatient safety