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
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
Association of Age and Comorbidity with Physical Function in HIV-Infected and Uninfected Patients: Results from the Veterans Aging Cohort Study
Oursler KK, Goulet JL, Crystal S, Justice AC, Crothers K, Butt AA, Rodriguez-Barradas MC, Favors K, Leaf D, Katzel LI, Sorkin JD. Association of Age and Comorbidity with Physical Function in HIV-Infected and Uninfected Patients: Results from the Veterans Aging Cohort Study. AIDS Patient Care And STDs 2011, 25: 13-20. PMID: 21214375, PMCID: PMC3030913, DOI: 10.1089/apc.2010.0242.Peer-Reviewed Original ResearchConceptsChronic pulmonary diseaseAge-associated comorbiditiesPhysical functionUninfected patientsPulmonary diseaseUninfected subjectsSelf-reported physical functionVeterans Aging Cohort StudyAging of HIVHIV care guidelinesVeterans Aging CohortHIV clinical careAging Cohort StudyAssociation of ageCross-sectional analysisOlder HIVCohort studyHIV infectionHIV statusCare guidelinesPoor functionCardiovascular diseaseClinical carePhysical subscaleHIV
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
2007
Do Patterns of Comorbidity Vary by HIV Status, Age, and HIV Severity?
Goulet JL, Fultz SL, Rimland D, Butt A, Gibert C, Rodriguez-Barradas M, Bryant K, Justice AC. Do Patterns of Comorbidity Vary by HIV Status, Age, and HIV Severity? Clinical Infectious Diseases 2007, 45: 1593-1601. PMID: 18190322, PMCID: PMC3687553, DOI: 10.1086/523577.Peer-Reviewed Original ResearchConceptsHuman immunodeficiency virusCD4 cell countPatterns of comorbidityHIV infectionHIV statusCell countHIV severityOlder human immunodeficiency virusPrimary care guidelinesClinical Modification codesCells/Pulmonary diseaseComorbid conditionsMultivariable analysisViral loadCare guidelinesImmunodeficiency virusComorbiditiesInternational ClassificationMultimorbidityInfectionPresence of conditionsVeteransAgeDisease
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