2020
Extracting lung function measurements to enhance phenotyping of chronic obstructive pulmonary disease (COPD) in an electronic health record using automated tools
Akgün KM, Sigel K, Cheung KH, Kidwai-Khan F, Bryant AK, Brandt C, Justice A, Crothers K. Extracting lung function measurements to enhance phenotyping of chronic obstructive pulmonary disease (COPD) in an electronic health record using automated tools. PLOS ONE 2020, 15: e0227730. PMID: 31945115, PMCID: PMC6964890, DOI: 10.1371/journal.pone.0227730.Peer-Reviewed Original ResearchMeSH KeywordsCohort StudiesData MiningElectronic Health RecordsForced Expiratory VolumeHealth Information SystemsHospitalizationHumansLungNatural Language ProcessingPulmonary Disease, Chronic ObstructiveSeverity of Illness IndexSoftwareUnited StatesUnited States Department of Veterans AffairsVeteransVital CapacityConceptsChronic obstructive pulmonary diseaseVeterans Aging Cohort StudyObstructive pulmonary diseaseFEV1 valuesPulmonary diseasePhenotyping of patientsPulmonary function testsAging Cohort StudyLung function measurementsElectronic health record dataHealth record dataStructured electronic health record dataPositive predictive valueElectronic health recordsAirflow obstructionChart reviewCohort studyExpiratory volumeCOPD phenotypesFunction testsVital capacityFEV1 measurementsDATA SOURCESPredictive valueClinical notes
2018
Accuracy of electronic health record data for the diagnosis of chronic obstructive pulmonary disease in persons living with HIV and uninfected persons
Crothers K, Rodriguez CV, Nance RM, Akgun K, Shahrir S, Kim J, Hoo G, Sharafkhaneh A, Crane HM, Justice AC. Accuracy of electronic health record data for the diagnosis of chronic obstructive pulmonary disease in persons living with HIV and uninfected persons. Pharmacoepidemiology And Drug Safety 2018, 28: 140-147. PMID: 29923258, PMCID: PMC6309326, DOI: 10.1002/pds.4567.Peer-Reviewed Original ResearchMeSH KeywordsAdministration, InhalationAge FactorsAlgorithmsBronchodilator AgentsCohort StudiesData AccuracyData Interpretation, StatisticalDrug PrescriptionsElectronic Health RecordsFemaleHIV InfectionsHumansInternational Classification of DiseasesLogistic ModelsMaleMiddle AgedNebulizers and VaporizersPrevalencePulmonary Disease, Chronic ObstructiveRisk FactorsSmokingSpirometryConceptsChronic obstructive pulmonary diseaseICD-9 codesObstructive pulmonary diseaseElectronic health record dataHealth record dataPulmonary diseaseHIV-Associated Lung Emphysema (EXHALE) studyIntegrated Clinical Systems cohortVeterans Aging Cohort StudyHIV uninfected personsAIDS Research NetworkAging Cohort StudyRecord dataEHR dataReceiver-operating curveCohort studyRespiratory symptomsHIV statusUninfected personsClinical variablesDevelopment cohortClinical indicationsSpirometry dataSpirometryUninfected individualsMarkers of chronic obstructive pulmonary disease are associated with mortality in people living with HIV
Triplette M, Justice A, Attia EF, Tate J, Brown ST, Goetz MB, Kim JW, Rodriguez-Barradas MC, Hoo GWS, Wongtrakool C, Akgün K, Crothers K. Markers of chronic obstructive pulmonary disease are associated with mortality in people living with HIV. AIDS 2018, 32: 487-493. PMID: 29135579, PMCID: PMC6366454, DOI: 10.1097/qad.0000000000001701.Peer-Reviewed Original ResearchConceptsChronic obstructive pulmonary diseaseObstructive pulmonary diseaseRisk of deathStudy participantsVACS IndexPulmonary diseaseComputed tomographyImpact of COPDVeterans Aging Cohort Study (VACS) IndexMultivariable Cox regression modelsBurden of comorbiditiesPredictors of mortalityPulmonary function testingCox regression modelMedian followUninfected subjectsAirflow obstructionCohort studyPulmonary functionPulmonary variablesFunction testingMultivariable modelPLWHCT characteristicsMortality rate
2016
Association of chronic obstructive pulmonary disease with frailty measurements in HIV-infected and uninfected Veterans
Akgün KM, Tate JP, Oursler KK, Crystal S, Leaf DA, Womack JA, Brown TT, Justice AC, Crothers K. Association of chronic obstructive pulmonary disease with frailty measurements in HIV-infected and uninfected Veterans. AIDS 2016, 30: 2185-2193. PMID: 27191979, DOI: 10.1097/qad.0000000000001162.Peer-Reviewed Original ResearchConceptsUninfected participantsVACS IndexHIV statusPhysical activityChronic obstructive pulmonary disease (COPD) prevalenceChronic obstructive pulmonary diseasePhysical limitation scaleLow physical activityObstructive pulmonary diseaseCross-sectional studyPhysiologic frailtyUninfected veteransCOPD managementFrailty measurementPulmonary diseaseUnadjusted analysesLimitation ScalePhysiologic biomarkersCOPDFunctional limitationsHIVUninfected individualsClinical biomarkersSelf-report survey itemsDisease prevalence
2013
Risk Factors for Hospitalization and Medical Intensive Care Unit (MICU) Admission Among HIV-Infected Veterans
Akgün KM, Gordon K, Pisani M, Fried T, McGinnis KA, Tate JP, Butt AA, Gibert CL, Huang L, Rodriguez-Barradas MC, Rimland D, Justice AC, Crothers K. Risk Factors for Hospitalization and Medical Intensive Care Unit (MICU) Admission Among HIV-Infected Veterans. JAIDS Journal Of Acquired Immune Deficiency Syndromes 2013, 62: 52-59. PMID: 23111572, PMCID: PMC4182723, DOI: 10.1097/qai.0b013e318278f3fa.Peer-Reviewed Original ResearchConceptsVACS Index scoreMedical intensive care unit admissionIntensive care unit admissionVeterans Aging Cohort StudyCare unit admissionMICU admissionIndex scoreRisk factorsHazardous alcohol useVACS IndexUnit admissionCurrent smokingChronic obstructive pulmonary diseaseAlcohol useNon-AIDS diseasesVA administrative databasesMultivariable Cox regressionSurvival of HIVObstructive pulmonary diseaseAging Cohort StudyElectronic medical recordsAntiretroviral therapyCause mortalityPrior AIDSPrior cancer
2012
HIV as an independent risk factor for incident lung cancer
Sigel K, Wisnivesky J, Gordon K, Dubrow R, Justice A, Brown ST, Goulet J, Butt AA, Crystal S, Rimland D, Rodriguez-Barradas M, Gibert C, Park LS, Crothers K. HIV as an independent risk factor for incident lung cancer. AIDS 2012, 26: 1017-1025. PMID: 22382152, PMCID: PMC3580210, DOI: 10.1097/qad.0b013e328352d1ad.Peer-Reviewed Original ResearchConceptsIncidence rate ratiosIndependent risk factorUninfected patientsLung cancerSimilar HIVHIV infectionSurveillance biasRisk factorsIncidence rateVeterans Aging Cohort Study Virtual CohortVeterans Affairs Central Cancer RegistryChronic obstructive pulmonary diseaseIncident lung cancerObstructive pulmonary diseaseCentral Cancer RegistryLung cancer stageSimilar stage distributionRace/ethnicityExcess smokingMultivariable adjustmentAnalytic cohortPulmonary diseaseBacterial pneumoniaCancer RegistryPotential confounders
2011
A Comparison of Treatment Eligibility for Hepatitis C Virus in HCV-Monoinfected Versus HCV/HIV-Coinfected Persons in Electronically Retrieved Cohort of HCV-Infected Veterans
Butt AA, McGinnis K, Skanderson M, Justice AC. A Comparison of Treatment Eligibility for Hepatitis C Virus in HCV-Monoinfected Versus HCV/HIV-Coinfected Persons in Electronically Retrieved Cohort of HCV-Infected Veterans. AIDS Research And Human Retroviruses 2011, 27: 973-979. PMID: 21338329, PMCID: PMC3719436, DOI: 10.1089/aid.2011.0004.Peer-Reviewed Original ResearchConceptsChronic obstructive pulmonary diseaseHepatitis C virusDecompensated liver diseaseHCV-HIVTreatment eligibilityC virusCohort of HCVVA National Patient Care DatabaseNational Patient Care DatabasePharmacy Benefits Management databaseHCV treatment eligibilityHCV-HIV coinfectionRecent alcohol abuseHCV/HIVCurrent treatment guidelinesProportion of patientsObstructive pulmonary diseaseCoronary artery diseasePatient Care DatabaseActual clinical settingsCoinfected PersonsAggressive managementCommon contraindicationsPharmacy recordsRenal failure
2010
Decreased Serum Antibody Responses to Recombinant Pneumocystis Antigens in HIV-Infected and Uninfected Current Smokers
Crothers K, Daly KR, Rimland D, Goetz MB, Gibert CL, Butt AA, Justice AC, Djawe K, Levin L, Walzer PD. Decreased Serum Antibody Responses to Recombinant Pneumocystis Antigens in HIV-Infected and Uninfected Current Smokers. MSphere 2010, 18: 380-386. PMID: 21191078, PMCID: PMC3067379, DOI: 10.1128/cvi.00421-10.Peer-Reviewed Original ResearchConceptsRespiratory syncytial virusChronic obstructive pulmonary diseaseAntibody responseEnzyme-linked immunosorbent assayP. jiroveciiCurrent smokersSerum antibodiesHIV-negative subjectsObstructive pulmonary diseaseInjection drug useSerum antibody responseMultivariate Tobit regression modelsHazardous alcohol useCross-sectional analysisUninfected patientsCurrent smokingHIV infectionIndependent predictorsPulmonary diseaseSyncytial virusImmunosuppressive effectsSerologic studiesSubsequent riskPneumocystis jiroveciiDrug useHIV Infection and Risk for Incident Pulmonary Diseases in the Combination Antiretroviral Therapy Era
Crothers K, Huang L, Goulet JL, Goetz MB, Brown ST, Rodriguez-Barradas MC, Oursler KK, Rimland D, Gibert CL, Butt AA, Justice AC. HIV Infection and Risk for Incident Pulmonary Diseases in the Combination Antiretroviral Therapy Era. American Journal Of Respiratory And Critical Care Medicine 2010, 183: 388-395. PMID: 20851926, PMCID: PMC3266024, DOI: 10.1164/rccm.201006-0836oc.Peer-Reviewed Original ResearchConceptsChronic obstructive pulmonary diseaseObstructive pulmonary diseaseCombination antiretroviral therapy eraAntiretroviral therapy eraPulmonary diseaseTherapy eraPulmonary infectionHIV infectionVeterans Aging Cohort Study Virtual CohortIncident chronic obstructive pulmonary diseaseLower HIV RNA levelsVirtual cohortVeterans Affairs Healthcare SystemAssociation of HIVMost pulmonary diseasesHIV RNA levelsRates of asthmaIncidence rate ratiosSelf-reported smokingLarge Health SurveyPulmonary hypertensionUninfected patientsComorbid diseasesOpportunistic pneumoniaBacterial pneumonia
2005
The Impact of Cigarette Smoking on Mortality, Quality of Life, and Comorbid Illness Among HIV‐Positive Veterans
Crothers K, Griffith TA, McGinnis KA, Rodriguez‐Barradas M, Leaf DA, Weissman S, Gibert CL, Butt AA, Justice AC. The Impact of Cigarette Smoking on Mortality, Quality of Life, and Comorbid Illness Among HIV‐Positive Veterans. Journal Of General Internal Medicine 2005, 20: 1142-1145. PMID: 16423106, PMCID: PMC1490270, DOI: 10.1111/j.1525-1497.2005.0255.x.Peer-Reviewed Original ResearchConceptsChronic obstructive pulmonary diseaseQuality of lifeHIV-positive patientsImpact of smokingPhysical component summaryHIV-positive veteransCurrent smokersRespiratory symptomsBacterial pneumoniaActive antiretroviral therapyCD4 cell countHIV RNA levelsProspective observational studyObstructive pulmonary diseaseShort Form-12National VA databasesRace/ethnicityAntiretroviral therapyComorbid illnessesComponent summaryHIV infectionPatient questionnairePulmonary diseaseChart extractionCigarette smoking