1. Evaluation of macular vascular abnormalities identified by optical coherence tomography angiography in sickle cell disease

    Evaluation of macular vascular abnormalities identified by optical coherence tomography angiography in sickle cell disease

    Purpose To evaluate macular vascular flow abnormalities identified by optical coherence tomography angiography (OCT-A) in patients with various sickle cell genotypes. Design Prospective, observational case series. Methods This is a single institution case series of adult patients with various sickle cell genotypes. All patients underwent macular OCT-A (Avanti RTVue XR, Optovue Inc, Fremont, CA). Images were analyzed qualitatively for areas of flow loss and quantitatively for measures of foveal avascular area, parafoveal flow, and vascular density. The findings were compared by sickle cell genotype and retinopathy stage and correlated to retinal thickness and visual acuity. Results OCT-A scans of 82 ...

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