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Influence of the Size of the Foveal Avascular Zone on Functional and Morphological Parameters in Patients with Early-Stage Diabetic Retinopathy

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  • معلومة اضافية
    • بيانات النشر:
      Dove Press
    • الموضوع:
      2022
    • Collection:
      Dove Medical Press
    • نبذة مختصرة :
      Marcus Werner Storch,1 Greta Zinser,1 Peer Lauermann,1 Mohammed Haitham Khattab,1 Anna Nguyen-Höhl,1 Dirk Raddatz,2 Katja Gollisch,2 Josep Callizo,1 Hans Hoerauf,1 Nicolas Feltgen1 1Department of Ophthalmology, University of Göttingen, Göttingen, Niedersachsen, Germany; 2Department of Gastroenterology, Gastrointestinal Oncology and Endocrinology, University of Göttingen, Göttingen, Niedersachsen, GermanyCorrespondence: Marcus Werner Storch, Department of Ophthalmology, University of Göttingen, Robert-Koch-Str. 40, Göttingen, 37075, Germany, Tel +49-551-39-63580, Fax +49-551-39-63582, Email marcus.storch86@googlemail.comPurpose: To correlate functional and morphological parameters with foveal avascular zone’s (FAZ) size in diabetic patients with mild to moderate stage nonproliferative diabetic retinopathy.Methods: Monocentric and prospective study of a consecutive case series of diabetic patients. Medical history, best corrected visual acuity (BCVA), best corrected high/low contrast visual acuity (BChcVA/BClcVA), mean sensitivity (MS) and mean defect (MD) in central visual field testing, and FAZ size in fluorescein-angiography (FAG) were recorded. Macular thickness (central point thickness CPT, central subfield thickness CST) and volume measurements (central subfield volume CSV, total macular volume) were taken from SD-OCT (6x6mm ETDRS-grid). Groups were categorised as presenting FAZ sizes smaller (G1) or larger (G2) than 0.35mm2. Smallest (Q1) and largest quartiles (Q3) were also compared.Results: Thirty-six of 40 patients were included. MS differed significantly between G1 (n = 6) and G2 (n = 30), and BChcVA/BClcVA as well as TMV correlated significantly with FAZ size in correlation analysis. Mean HbA1c tended to be lower in G1 than G2. Patients in G1 were slightly older than in G2. Treatment period with insulin was shorter in G1/Q1 than in G2/Q3. CPT and TMV were lower in G1/Q1 than in G2/Q3. Our analysis of the FAZ in terms of patient age, HbA1c, disease duration and insulin therapy duration revealed ...
    • File Description:
      text/html
    • Relation:
      https://www.dovepress.com/influence-of-the-size-of-the-foveal-avascular-zone-on-functional-and-m-peer-reviewed-fulltext-article-OPTH
    • الدخول الالكتروني :
      https://www.dovepress.com/influence-of-the-size-of-the-foveal-avascular-zone-on-functional-and-m-peer-reviewed-fulltext-article-OPTH
    • Rights:
      info:eu-repo/semantics/openAccess
    • الرقم المعرف:
      edsbas.C83017F4