Macular vessel density in patients recovered from COVID 19

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dc.contributor.authorHazar, Leyla
dc.contributor.authorKarahan, Mine
dc.contributor.authorVural, Esra
dc.contributor.authorAva, Sedat
dc.contributor.authorErdem, Seyfettin
dc.contributor.authorDursun, Mehmet Emin
dc.contributor.authorKeklikci, Ugur
dc.date.accessioned2024-04-24T16:15:47Z
dc.date.available2024-04-24T16:15:47Z
dc.date.issued2021
dc.departmentDicle Üniversitesien_US
dc.description.abstractPurpose: The purpose is to evaluate macular vascular densities (VDs) using optical coherence tomography angiography (OCTA) in patients effected by coronavirus disease-2019 (COVID-19). Methods: The superficial (SF) and deep macular VD of 50 patients with SARS CoV2 pneumonia who had positive polymerase chain reaction (PCR) tests and who recovered after receiving treatment and 55 healthy age- and gender-matched controls were compared using OCTA. Blood inflammation parameters were also recorded. Results: There was no statistically significant difference between the two groups in terms of age and gender (p = 0.147 and p = 0.504, respectively). Nor was there a difference with respect to smokers between the two groups (p = 0.231). In COVID-19 patients, the VDs in superior hemi quadrant, superior quadrant and inferior quadrant, were significantly lower (p = 0.033, p = 0.029 and p = 0.042, respectively) in superficial plexus. It was also significantly lower in parafovea, superior hemi and superior quadrants (p = 0.026, p < 0.001 and p = 0.004, respectively) in deep plexus. In addition, white blood cell and neutrophil counts were significantly negatively correlated with the VD of the deep parafovea, deep superior quadrant and deep superior hemi quadrant (p < 0.05). There was no difference between the patient and control groups in both superficial and deep foveal avascular zone (FAZ) (p = 0.101 and p = 0.691 respectively). Conclusion: In COVID-19 disease, VD is low in some sectors in both SF and deep layers, but no change in FAZ. The effect of COVID 19 disease on the retina and whether it makes the retina sensitive to damage can only be understood with long-term follow-up.en_US
dc.identifier.doi10.1016/j.pdpdt.2021.102267
dc.identifier.issn1572-1000
dc.identifier.issn1873-1597
dc.identifier.pmid33785439en_US
dc.identifier.scopus2-s2.0-85103727035en_US
dc.identifier.scopusqualityN/Aen_US
dc.identifier.urihttps://doi.org/10.1016/j.pdpdt.2021.102267
dc.identifier.urihttps://hdl.handle.net/11468/15923
dc.identifier.volume34en_US
dc.identifier.wosWOS:000670313900008
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.relation.ispartofPhotodiagnosis and Photodynamic Therapyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectCovid-19en_US
dc.subjectRetinal Vesselsen_US
dc.subjectEyeen_US
dc.subjectOptical Coherence Tomography Angiographyen_US
dc.subjectPandemicen_US
dc.subjectVascular Densityen_US
dc.titleMacular vessel density in patients recovered from COVID 19en_US
dc.typeArticleen_US

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