2023
Epidemiologic trends of domestic violence–related ocular injuries among pediatric patients: data from the Nationwide Emergency Department Sample 2008-2017
Andoh J, Miguez S, Andoh S, Mehta S, Mir T, Chen E, Jain S, Teng C, Nwanyanwu K. Epidemiologic trends of domestic violence–related ocular injuries among pediatric patients: data from the Nationwide Emergency Department Sample 2008-2017. Journal Of American Association For Pediatric Ophthalmology And Strabismus 2023, 27: 335.e1-335.e8. PMID: 37931837, PMCID: PMC10859911, DOI: 10.1016/j.jaapos.2023.09.008.Peer-Reviewed Original ResearchConceptsOcular injuriesHospital stayED encountersMedian chargePediatric emergency department patientsCommon ocular diagnosisEye/adnexaMedian hospital stayEmergency department patientsMechanism of injuryInpatient hospital stayCross-sectional studyLow socioeconomic statusLowest income quartileSpecific social determinantsPediatric patientsAnnual incidenceDepartment patientsMedicaid insuranceMedian lengthTrauma hospitalSecondary diagnosisOcular diagnosisEpidemiologic trendsPatients
2020
Ophthalmic Medication Expenditures and Out-of-Pocket Spending An Analysis of United States Prescriptions from 2007 through 2016
Chen EM, Kombo N, Teng CC, Mruthyunjaya P, Nwanyanwu K, Parikh R. Ophthalmic Medication Expenditures and Out-of-Pocket Spending An Analysis of United States Prescriptions from 2007 through 2016. Ophthalmology 2020, 127: 1292-1302. PMID: 32359935, PMCID: PMC7508869, DOI: 10.1016/j.ophtha.2020.04.037.Peer-Reviewed Original ResearchConceptsOphthalmic medicationsMedication expendituresOOP expenditureLongitudinal cohort studyOverall drug expendituresUnited States populationPrescription drug spendingGlaucoma medicationsCohort studyMedication useDry eyePrescription usePrescription expendituresPrescription medicationsOOP expensesMedicationsCopayment assistancePocket expenditureOOP spendingDrug expendituresPocket spendingDrug spendingIndirect costsMEPS participantsLinear regressionNeighborhood Deprivation and Adherence to Initial Diabetic Retinopathy Screening
Yusuf R, Chen EM, Nwanyanwu K, Richards B. Neighborhood Deprivation and Adherence to Initial Diabetic Retinopathy Screening. Ophthalmology Retina 2020, 4: 550-552. PMID: 32139294, PMCID: PMC8281953, DOI: 10.1016/j.oret.2020.01.016.Peer-Reviewed Original Research
2019
Barriers to and Facilitators of Diabetic Retinopathy Screening Utilization in a High-Risk Population
Fairless E, Nwanyanwu K. Barriers to and Facilitators of Diabetic Retinopathy Screening Utilization in a High-Risk Population. Journal Of Racial And Ethnic Health Disparities 2019, 6: 1244-1249. PMID: 31463812, PMCID: PMC6880869, DOI: 10.1007/s40615-019-00627-3.Peer-Reviewed Original ResearchConceptsHigh-risk populationEye examDiabetic retinopathyVision lossQualified community health centersCommunity health centersLow socioeconomic statusUse of screeningBackgroundDiabetic retinopathyMedian ageEye careHealth centersClinic experienceDiabetesPatientsVision statusRetinopathyConclusionsThe factorsMethodsQualitative interviewsVisual symptomsSocioeconomic statusHealth insuranceImportant facilitatorsExamParticipants
2018
Spontaneous Rupture of an Iris Stromal Cyst
Hall LB, Nwanyanwu K. Spontaneous Rupture of an Iris Stromal Cyst. Ophthalmology 2018, 125: 30. PMID: 29268865, DOI: 10.1016/j.ophtha.2017.09.005.Peer-Reviewed Original Research
2016
Ocular Syphilis Presenting as Bilateral Acute Retinal Necrosis in an Immunocompetent Host.
Hussnain SA, Ketner S, Coady PA, Kombo N, Nwanyanwu K. Ocular Syphilis Presenting as Bilateral Acute Retinal Necrosis in an Immunocompetent Host. Connecticut Medicine 2016, 80: 533-536. PMID: 29772137.Peer-Reviewed Original ResearchConceptsBilateral acute retinal necrosisAcute retinal necrosisOcular syphilisRetinal necrosisCases of syphilisOphthalmic testingOcular inflammationGreat masqueraderImmunocompetent hostsDiagnostic dilemmaClinical signsHigh indexSyphilisNecrosisSignsInflammationPatientsPresentingOphthalmologistsSymptomsCliniciansSuspicion
2014
Reduced Fluorescein Angiography and Fundus Photography Use in the Management of Neovascular Macular Degeneration and Macular Edema During the Past DecadeImaging Tests for Macular Diseases
Schneider EW, Mruthyunjaya P, Talwar N, Nwanyanwu K, Nan B, Stein JD. Reduced Fluorescein Angiography and Fundus Photography Use in the Management of Neovascular Macular Degeneration and Macular Edema During the Past DecadeImaging Tests for Macular Diseases. Investigative Ophthalmology & Visual Science 2014, 55: 542-549. PMID: 24346174, PMCID: PMC3907135, DOI: 10.1167/iovs.13-13034.Peer-Reviewed Original ResearchConceptsNeovascular age-related macular degenerationProportion of patientsMacular edemaFluorescein angiographyFundus photographyOptical coherence tomographyMacular degenerationDiagnostic testingIncident neovascular age-related macular degenerationAge-related macular degenerationRepeated-measures logistic regressionNeovascular macular degenerationTraditional diagnostic testingUse of OCT
2013
Predicting Development of Proliferative Diabetic Retinopathy
Nwanyanwu K, Talwar N, Gardner TW, Wrobel JS, Herman WH, Stein JD. Predicting Development of Proliferative Diabetic Retinopathy. Diabetes Care 2013, 36: 1562-1568. PMID: 23275374, PMCID: PMC3661803, DOI: 10.2337/dc12-0790.Peer-Reviewed Original ResearchConceptsNonproliferative diabetic retinopathyDiabetic retinopathy progressionRetinopathy progressionDiabetic retinopathyMultivariable Cox regression analysisProgression risk scoreHigh-risk patientsRetrospective cohort analysisCox regression analysisProliferative diabetic retinopathyFive-year probabilityLow-risk individualsCare recipient ageAdvanced diseaseRecipient ageDiabetes mellitusGlycemic controlClaims databaseVision lossDisease progressionCohort analysisRisk scoreManaged-care networkPredicting DevelopmentRetinopathy