• Int. J. Clin. Pract. · Jan 2022

    Clinical Manifestations of Supra-Large Range Nonperfusion Area in Diabetic Retinopathy.

    • Nianting Tong, Liangyu Wang, Huimin Gong, Lin Pan, Fuxiang Yuan, and Zhanyu Zhou.
    • Department of Ophthalmology, Qingdao Municipal Hospital, Qingdao, China.
    • Int. J. Clin. Pract. 2022 Jan 1; 2022: 8775641.

    ObjectiveWe describe the clinical manifestations of supra-large range nonperfusion area (SLRNPA) in diabetic retinopathy (DR).MethodsThis was a retrospective case-control study. A total of 260 eyes of 236 patients with DR who underwent pars plana vitrectomy in the Department of Ophthalmology of Qingdao Municipal Hospital from February 2016 to June 2019 were enrolled. Fundus fluorescein angiography was performed after surgery to determine whether SLRNPA or non-SLRNPA in DR was present. All demographic and clinical data were carefully collected.ResultsForty-one eyes of 22 patients were diagnosed with SLRNPA in DR (15.77% of all eyes). Compared to non-SLRNPA, SLRNPA patients were more likely to be male and younger with earlier DR onset, a smoking history, other comorbidities, and a higher HbA1c level. SLRNPA in DR eyes exhibited more neovascular glaucoma (NVG) and diabetic keratopathy (DK) than did other eyes. Such eyes were more likely to require anti-VEGF therapy before surgery or a silicone oil or a gas tamponade during surgery and to suffer from persistent corneal epithelial erosion and NVG recurrence after surgery.ConclusionsSLRNPA in DR is a severe status of DR. Treatment for DR patients with SLRNPA is difficult, and the prognosis is poor, so clinicians must thus pay more attention to SLRNPA in DR.Copyright © 2022 Nianting Tong et al.

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