El Oksh, D., El-gazzar, H., Elsayed, M., Mohamed, S. (2023). The Role of Optical Coherence Tomography Angiography to Assess Retinal Perfusion of Non-Proliferative Diabetic Retinopathy. Benha Medical Journal, 40(Special issue (Surgery)), 320-335. doi: 10.21608/bmfj.2022.170146.1691
Dina El Oksh; Hamdy Ahmed El-gazzar; Mohamed Anany Elsayed; Soha Moussa Mohamed. "The Role of Optical Coherence Tomography Angiography to Assess Retinal Perfusion of Non-Proliferative Diabetic Retinopathy". Benha Medical Journal, 40, Special issue (Surgery), 2023, 320-335. doi: 10.21608/bmfj.2022.170146.1691
El Oksh, D., El-gazzar, H., Elsayed, M., Mohamed, S. (2023). 'The Role of Optical Coherence Tomography Angiography to Assess Retinal Perfusion of Non-Proliferative Diabetic Retinopathy', Benha Medical Journal, 40(Special issue (Surgery)), pp. 320-335. doi: 10.21608/bmfj.2022.170146.1691
El Oksh, D., El-gazzar, H., Elsayed, M., Mohamed, S. The Role of Optical Coherence Tomography Angiography to Assess Retinal Perfusion of Non-Proliferative Diabetic Retinopathy. Benha Medical Journal, 2023; 40(Special issue (Surgery)): 320-335. doi: 10.21608/bmfj.2022.170146.1691
The Role of Optical Coherence Tomography Angiography to Assess Retinal Perfusion of Non-Proliferative Diabetic Retinopathy
1ophthalmology department,faculty of medicine,Benha university,Benha,egypt
2ophthalmology department, faculty of medicine, benha university, benha, egypt
Abstract
Background: Diabetic retinopathy (DR) is one of the leading causes of visual impairment and blindness in patients aged 20-47. Clinically, DR has two stages: non-proliferative diabetic retinopathy (NPDR) and proliferative diabetic retinopathy (PDR). The aim of this work was to assess retinal microvasculature abnormalities in different stages of non-proliferative diabetic retinopathy using optical coherence tomography angiography. Methods: This cross-sectional case control study was carried out on 90 eyes of 55 subjects attending outpatient clinic of Ophthalmology department (35 of healthy non-diabetic, 15 of mild NPDR, 27 of moderate NPDR and 13 of severe NPDR). Results: At 3x3 size scan of OCTA, FAZ and PERIM were significantly more enlarged in case group compared to the control group (both p < 0.001) however, superficial and deep VD% were significantly lower in case group compared to the control group (both p < 0.001). There was a significant difference among the three subgroups (mild, moderate and severe) as regards FAZ, superficial and deep VD% (all p < /p>
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