2006
Physical activity in a cohort of HIV-positive and HIV-negative injection drug users
Smit E, Crespo C, Semba R, Jaworowicz D, Vlahov D, Ricketts E, Ramirez-Marrero F, Tang A. Physical activity in a cohort of HIV-positive and HIV-negative injection drug users. AIDS Care 2006, 18: 1040-1045. PMID: 17012097, DOI: 10.1080/09540120600580926.Peer-Reviewed Original ResearchConceptsInjection drug usersHIV-positive participantsHIV-positive injection drug usersInjection drug useHIV-negativeVigorous activityPhysical activityDrug usersDrug usePaffenbarger Physical Activity QuestionnaireRecent injection drug usersHIV-negative injection drug usersIntravenous Experience cohortActive antiretroviral therapyCohort of HIVHIV-negative participantsPhysical Activity QuestionnairePhysical activity levelsAntiretroviral therapyHIV infectionViral loadHIV treatmentActivity QuestionnaireAnthropometric measurementsEnergy expenditure
2005
Injection Drug Use Is an Independent Risk Factor for Iron Deficiency and Iron Deficiency Anemia Among HIV-Seropositive and HIV-Seronegative Women
Dancheck B, Tang A, Thomas A, Smit E, Vlahov D, Semba R. Injection Drug Use Is an Independent Risk Factor for Iron Deficiency and Iron Deficiency Anemia Among HIV-Seropositive and HIV-Seronegative Women. JAIDS Journal Of Acquired Immune Deficiency Syndromes 2005, 40: 198-201. PMID: 16186738, DOI: 10.1097/01.qai.0000165909.12333.07.Peer-Reviewed Original ResearchMeSH KeywordsAdultAnemia, Iron-DeficiencyCase-Control StudiesFemaleHIV SeronegativityHIV SeropositivityHumansMiddle AgedSubstance Abuse, IntravenousConceptsInjection drug useIron deficiency anemiaHepatitis C virus statusFemale injection drug usersC virus statusInjection drug usersDeficiency anemiaDrug useIron deficiencyRisk factorsVirus statusDrug usersMultivariate analysisInjection drug use historyCD4 lymphocyte countHIV-seronegative womenIndependent risk factorHIV-positive womenCross-sectional studyFurther longitudinal studiesNatural history studiesIntravenous Experience (ALIVE) studyDrug use historyHIV-seropositiveLymphocyte count
2001
Sex Differences in Risk Factors for HIV Seroconversion Among Injection Drug Users: A 10-Year Perspective
Strathdee S, Galai N, Safaiean M, Celentano D, Vlahov D, Johnson L, Nelson K. Sex Differences in Risk Factors for HIV Seroconversion Among Injection Drug Users: A 10-Year Perspective. JAMA Internal Medicine 2001, 161: 1281-1288. PMID: 11371255, DOI: 10.1001/archinte.161.10.1281.Peer-Reviewed Original ResearchConceptsInjection drug usersIncidence of HIVHIV seroconversionRisk factorsProspective studyDrug usersHigh-risk heterosexual activityHuman immunodeficiency virus interventionsHIV-negative injection drug usersHuman immunodeficiency virus (HIV) infectionFemale injection drug usersImmunodeficiency virus infectionInjection drug useDrug-related risksHomosexual activityTime-dependent covariatesHIV testMedian agePerson yearsDaily injectionsNeedle sharingCocaine injectionHIV riskVirus infectionSeroconversion
2000
Correlates of enrollment in methadone maintenance treatment programs differ by HIV-serostatus
Shah N, Celentano D, Vlahov D, Stambolis V, Johnson L, Nelson K, Strathdee S. Correlates of enrollment in methadone maintenance treatment programs differ by HIV-serostatus. AIDS 2000, 14: 2035-2043. PMID: 10997409, DOI: 10.1097/00002030-200009080-00020.Peer-Reviewed Original ResearchMeSH KeywordsAdultBaltimoreCohort StudiesFemaleHealth Services AccessibilityHIV AntibodiesHIV InfectionsHIV SeronegativityHIV SeropositivityHumansMaleMethadoneMiddle AgedNeedle-Exchange ProgramsProspective StudiesRisk-TakingSocioeconomic FactorsSubstance Abuse Treatment CentersSubstance Abuse, IntravenousConceptsMethadone maintenance treatment programInjection drug usersMaintenance treatment programNeedle exchange programsHIV serostatusHIV-seronegative injection drug usersSeronegative injection drug usersHIV-negative injection drug usersTreatment programHIV-seropositive participantsHealth care providersTreatment slotsNeedle exchange program participantsAfrican AmericansHIV testProspective cohortCare providersDrug usersProgram attendanceOlder ageCertain subgroupsVulnerable populationsSimilar proportionsBehavioral factorsEnrollmentCervical Neoplasia and Repeated Positivity of Human Papillomavirus Infection In Human Immunodeficiency Virus-seropositive and -seronegative Women
Ahdieh L, Munoz A, Vlahov D, Trimble C, Timpson L, Shah K. Cervical Neoplasia and Repeated Positivity of Human Papillomavirus Infection In Human Immunodeficiency Virus-seropositive and -seronegative Women. American Journal Of Epidemiology 2000, 151: 1148-1157. PMID: 10905527, DOI: 10.1093/oxfordjournals.aje.a010165.Peer-Reviewed Original ResearchMeSH KeywordsAdultAntiviral AgentsCD4 Lymphocyte CountFemaleHIV InfectionsHIV SeronegativityHIV SeropositivityHumansImmunosuppression TherapyIncidenceLongitudinal StudiesPapillomaviridaePapillomavirus InfectionsRisk AssessmentSurvival AnalysisTumor Virus InfectionsUterine Cervical DysplasiaUterine Cervical NeoplasmsConceptsCervical intraepithelial neoplasiaHuman papillomavirus infectionHPV positivityHPV clearancePapillomavirus infectionHIV infectionBiopsy-confirmed cervical intraepithelial neoplasiaAssociation of HIVPotent antiretroviral therapyCervicovaginal lavage specimensHuman immunodeficiency virusCells/Reversal of immunosuppressionPolymerase chain reaction-based assaySeronegative womenAntiretroviral therapyHIV- womenHPV resultsHIV- participantsHPV DNACervical neoplasiaHIV serostatusIntraepithelial neoplasiaImmunodeficiency virusRelated immunosuppressionImproved Antioxidant Status Among HIV-Infected Injecting Drug Users on Potent Antiretroviral Therapy
Tang A, Smit E, Semba R, Shah N, Lyles C, Li D, Vlahov D. Improved Antioxidant Status Among HIV-Infected Injecting Drug Users on Potent Antiretroviral Therapy. JAIDS Journal Of Acquired Immune Deficiency Syndromes 2000, 23: 321-326. DOI: 10.1097/00042560-200004010-00006.Peer-Reviewed Original ResearchConceptsHIV-positive IDUsHIV-negative IDUsAntiretroviral therapySerum antioxidant levelsLutein/zeaxanthinStudy subjectsART regimenAntioxidant levelsSerum levelsDrug usersProtease inhibitorsLow serum antioxidant levelsPotent antiretroviral therapyInjecting Drug UsersExcess oxidative stressOxidative stress levelsΒ-cryptoxanthinAlcohol intakeSerum antioxidantsDietary intakeAntioxidant statusSignificant overall differenceΑ-tocopherolSerum αDrug useImproved antioxidant status among HIV-infected injecting drug users on potent antiretroviral therapy.
Tang A, Smit E, Semba R, Shah N, Lyles C, Li D, Vlahov D. Improved antioxidant status among HIV-infected injecting drug users on potent antiretroviral therapy. JAIDS Journal Of Acquired Immune Deficiency Syndromes 2000, 23: 321-6. PMID: 10836754, DOI: 10.1097/00126334-200004010-00006.Peer-Reviewed Original ResearchConceptsHIV-positive IDUsHIV-negative IDUsAntiretroviral therapySerum antioxidant levelsLutein/zeaxanthinStudy subjectsART regimenAntioxidant levelsSerum levelsDrug usersProtease inhibitorsLow serum antioxidant levelsSerum alpha-tocopherol levelsAlpha-tocopherolPotent antiretroviral therapyAlpha-tocopherol levelsExcess oxidative stressOxidative stress levelsAlcohol intakeSerum antioxidantsDietary intakeAntioxidant statusSignificant overall differenceDrug useHIV
1999
Prevalence of Lower Genital Tract Infections Among Human Immunodeficiency Virus (HIV)—Seropositive and High-Risk HIV-Seronegative Women
Cu-Uvin S, Hogan J, Warren D, Klein R, Peipert J, Schuman P, Holmberg S, Anderson J, Schoenbaum E, Vlahov D, Mayer K, Group F. Prevalence of Lower Genital Tract Infections Among Human Immunodeficiency Virus (HIV)—Seropositive and High-Risk HIV-Seronegative Women. Clinical Infectious Diseases 1999, 29: 1145-1150. PMID: 10524955, DOI: 10.1086/313434.Peer-Reviewed Original ResearchConceptsHIV-seronegative womenGenital tract infectionLower genital tract infectionHuman immunodeficiency virusTract infectionsBacterial vaginosisImmunodeficiency virusHigh-risk HIV-seronegative womenLower Genital Tract InfectionsRisk HIV-seronegative womenHuman papilloma virus infectionHIV-seropositive womenPapilloma virus infectionHigh-risk womenNeisseria gonorrhoeae infectionChlamydia trachomatis infectionHIV Epidemiology Research StudySimilar HIVSeropositive womenGonorrhoeae infectionBaseline visitTrachomatis infectionCandidal vaginitisVirus infectionInfectionSelf-Reported Bacterial Infections Among Women with or at Risk for Human Immunodeficiency Virus Infection
Flanigan T, Hogan J, Smith D, Schoenbaum E, Vlahov D, Schuman P, Mayer K. Self-Reported Bacterial Infections Among Women with or at Risk for Human Immunodeficiency Virus Infection. Clinical Infectious Diseases 1999, 29: 608-612. PMID: 10530455, DOI: 10.1086/598641.Peer-Reviewed Original ResearchConceptsHuman immunodeficiency virus (HIV) infectionCD4 cell countImmunodeficiency virus infectionBacterial infectionsRecent pneumoniaVirus infectionCell countHIV-negative womenHIV-seropositive womenUrinary tract infectionInjection drug useLogistic regression analysisSelf-reported pneumoniaCross-sectional analysisSeronegative womenTract infectionsHIV infectionDrug useLifetime historyInfectionPneumoniaMajor causeWomenRegression analysisCell categoriesComparison between a Whole Blood Interferon-γ Release Assay and Tuberculin Skin Testing for the Detection of Tuberculosis Infection among Patients at Risk for Tuberculosis Exposure
Kimura M, Converse P, Astemborski J, Rothel J, Vlahov D, Comstock G, Graham N, Chaisson R, Bishai W. Comparison between a Whole Blood Interferon-γ Release Assay and Tuberculin Skin Testing for the Detection of Tuberculosis Infection among Patients at Risk for Tuberculosis Exposure. The Journal Of Infectious Diseases 1999, 179: 1297-1300. PMID: 10191241, DOI: 10.1086/314707.Peer-Reviewed Original ResearchConceptsTuberculin skin testIFN-gamma releaseTuberculosis infectionWhole-Blood Interferon-γ Release AssayStandard tuberculin skin testInterferon-γ release assaysPercent agreementCulture-confirmed tuberculosisHIV-seropositive subjectsTuberculin skin testingHuman immunodeficiency virusInterferon-gamma releaseIntravenous drug usersSingle blood drawSeronegative patientsTuberculosis exposureSkin testingUninfected personsImmunodeficiency virusSkin testBlood drawUrban BaltimoreDrug usersRelease assaysFurther evaluation
1997
Comparison of Neuropsychological Performance between AIDS-Free Injecting Drug Users and Homosexual Men
Concha M, Selnes O, Vlahov D, Nance-Sproson T, Updike M, Royal W, Palenicek J, McArthur J. Comparison of Neuropsychological Performance between AIDS-Free Injecting Drug Users and Homosexual Men. Neuroepidemiology 1997, 16: 78-85. PMID: 9057169, DOI: 10.1159/000109674.Peer-Reviewed Original ResearchHIV Infection and Cognition in Intravenous Drug Users
Selnes O, Galai N, McArthur J, Cohn S, Royal W, Esposito D, Vlahov D. HIV Infection and Cognition in Intravenous Drug Users. Neurology 1997, 48: 223-230. PMID: 9008522, DOI: 10.1212/wnl.48.1.223.Peer-Reviewed Original Research
1996
HIV testing behaviors in a population of inner-city women at high risk for HIV infection.
Solomon L, Moore J, Gleghorn A, Astemborski J, Vlahov D. HIV testing behaviors in a population of inner-city women at high risk for HIV infection. JAIDS Journal Of Acquired Immune Deficiency Syndromes 1996, 13: 267-72. PMID: 8898672, DOI: 10.1097/00042560-199611010-00009.Peer-Reviewed Original ResearchConceptsHIV testHIV testingRisk behaviorsMultiple HIV testsPrior HIV testPrior HIV testingHIV testing historyInjection drug useHIV testing behaviorsHIV risk behaviorsInner-city womenHIV risk practicesMore sex partnersHigh-risk practicesHIV infectionHIV serostatusHIV StudyHigh riskRisk counselingSex partnersTesting historyDrug useSociodemographic characteristicsTesting behaviorWomenDietary intake of community-based HIV-1 seropositive and seronegative injecting drug users
Smit E, Graham N, Tang A, Flynn C, Solomon L, Vlahov D. Dietary intake of community-based HIV-1 seropositive and seronegative injecting drug users. Nutrition 1996, 12: 496-501. PMID: 8878141, DOI: 10.1016/s0899-9007(96)91726-8.Peer-Reviewed Original ResearchConceptsFood frequency questionnaireHIV-1 seropositivesDietary intakeDrug usersTotal fat consumptionFood frequency methodInjecting Drug UsersFood group analysisTotal caloric intakeFrequency questionnaireMedian intakeCaloric intakeFat consumptionLow intakeTotal caloriesHigh intakeHIV-1Dietary habitsVitamin EVitamin ANutritional statusSeropositivesIntakeDaily allowanceSpearman correlationEffect of Isoniazid Chemoprophylaxis on HIV-Related Mycobacterial Disease
Graham N, Galai N, Nelson K, Astemborski J, Bonds M, Rizzo R, Sheeley L, Vlahov D. Effect of Isoniazid Chemoprophylaxis on HIV-Related Mycobacterial Disease. JAMA Internal Medicine 1996, 156: 889-894. PMID: 8774208, DOI: 10.1001/archinte.1996.00440080089010.Peer-Reviewed Original ResearchConceptsM avium complexMycobacterial diseaseTuberculosis incidenceAvium complexCutaneous anergyIsoniazid chemoprophylaxisIsoniazid prophylaxisPreventive therapyRisk factorsIncidence rateCD4 lymphocyte cell countProspective observational cohort studyPPD-positive patientsTwice-weekly isoniazidWeeks of therapyObservational cohort studyLymphocyte cell countsMonths of diagnosisOverall incidence rateAnnual incidence ratePopulation-based dataStrong risk factorTuberculin-positive subjectsMycobacterium avium complexTuberculin-positive individuals
1994
Drug smoking, Pneumocystis carinii pneumonia, and immunosuppression increase risk of bacterial pneumonia in human immunodeficiency virus-seropositive injection drug users.
Caiaffa W, Vlahov D, Graham N, Astemborski J, Solomon L, Nelson K, Muñoz A. Drug smoking, Pneumocystis carinii pneumonia, and immunosuppression increase risk of bacterial pneumonia in human immunodeficiency virus-seropositive injection drug users. American Journal Of Respiratory And Critical Care Medicine 1994, 150: 1493-1498. PMID: 7952605, DOI: 10.1164/ajrccm.150.6.7952605.Peer-Reviewed Original ResearchMeSH KeywordsAdultAIDS-Related Opportunistic InfectionsCocaineCohort StudiesCrack CocaineFemaleHIV SeronegativityHIV SeropositivityHIV-1HumansImmunocompromised HostIncidenceMaleMarijuana SmokingOdds RatioPneumoniaPneumonia, PneumocystisRisk FactorsSmokingSubstance Abuse, IntravenousSubstance-Related DisordersConceptsInjection drug usersPneumocystis carinii pneumoniaHIV-seropositive injection drug usersBacterial pneumoniaOdds ratioCarinii pneumoniaCigarette smokingFirst episodeDrug usersIllicit drugsSeropositive injection drug usersCD4 lymphocyte countHIV-seronegative subjectsMedical record reviewHuman immunodeficiency virusCells/Conditional logistic regressionSeronegative subjectsCohort studyLymphocyte countRecord reviewImmunodeficiency virusControl subjectsRisk factorsUnivariate analysisDrug‐related behavior change for HIV transmission among American injection drug users
CELENTANO D, MUÑOZ A, CORN S, NELSON K, VLAHOV D. Drug‐related behavior change for HIV transmission among American injection drug users. Addiction 1994, 89: 1309-1317. PMID: 7804092, DOI: 10.1111/j.1360-0443.1994.tb03310.x.Peer-Reviewed Original ResearchConceptsInjection drug usersSeropositive injection drug usersRisk behaviorsHIV infectionDrug usersActive injection drug usersDrug-related risk behaviorsHuman immunodeficiency virus (HIV) transmissionHigh-risk drug-related behaviorsSemi-annual visitsMultiple logistic regressionBehavior changeGreater risk reductionDrug-related behaviorsLow-risk behaviorsSeropositive participantsHIV serostatusHIV transmissionLongitudinal cohortVaccine developmentPrevention programsLogistic regressionAIDS epidemicVirus transmissionBehavior maintenanceImpact of HIV infection on non-AIDS mortality among Italian injecting drug users
Zaccarelli M, Gattari P, Rezza G, Conti S, Spizzichino L, Vlahov D, Ippolito G, Lelli V, Valenzi C. Impact of HIV infection on non-AIDS mortality among Italian injecting drug users. AIDS 1994, 8: 345-350. PMID: 8031512, DOI: 10.1097/00002030-199403000-00008.Peer-Reviewed Original ResearchConceptsHIV seropositivesHIV serostatusAIDS mortalityMortality rateAge-adjusted standardized mortality ratiosDrug usersHIV-negative IDUsHIV-seronegative IDUsHIV-seropositive IDUPerson-time techniquesStandardized mortality ratioCause-specific mortalityDrug treatment centersRate of deathHIV-seronegativesPossible HIVHIV infectionHIV testingProspective studyMortality ratioExcess mortalityGeneral populationOverdose mortalityAIDS causesHIVComparison of self-reported injection frequencies for past 30 days and 6 months among intravenous drug users
Schültz C, Vlahov D, Anthony J, Graham N. Comparison of self-reported injection frequencies for past 30 days and 6 months among intravenous drug users. Journal Of Clinical Epidemiology 1994, 47: 191-195. PMID: 8113828, DOI: 10.1016/0895-4356(94)90024-8.Peer-Reviewed Original ResearchInterest in HIV vaccines among injection drug users in Baltimore, Maryland.
Vlahov D, Astemborski J, Solomon L, Galai N, Basarab L, Nelson K. Interest in HIV vaccines among injection drug users in Baltimore, Maryland. AIDS Research And Human Retroviruses 1994, 10 Suppl 2: s265-8. PMID: 7865315.Peer-Reviewed Original Research