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Epiretinal membrane related vascular changes in diabetic eyes evaluated with optical coherence tomography angiography

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International Journal of Ophthalmology(English edition) 2023年第9期16卷 1503-1511页

作者： Umay Güvenç GünerÜney NurtenÜnlü Mehmet Akif Acar Dicle Hazırolan Özlem Candan Ankara Training and Research Hospital Ophthalmology Department Ankara 06800Türkiye

AIM:To evaluate the retinochoroidal microvascular circulation and anatomical structure of diabetic and nondiabetic patients with epiretinal membrane(ERM)with the help of optical coherence tomography angiography(OCT-A)and compare them with healthy control ***:In this prospective,cross-sectional study,a total of 165 eyes were evaluated,including 50 eyes of patients with diabetic ERM,54 eyes of idiopathic ERM(iERM)patients,and 61 eyes of healthy *** and disc angiography was performed by *** vessel density(VD)ratio was evaluated by dividing the VD of the foveal region by the VD of the parafoveal *** calculations were evaluated at the 95%confidence ***:macula superficial VD values of ERM cases were lower than that in the control group,while foveal VD was higher in ERM *** deep VD values of ERM cases were lower in all quadrants,except the *** width of the foveal avascular zone(FAZ)area was significantly lower in the ERM groups,and the FAZ width was lowest in iERM *** superficial VD ratio was significantly higher in the ERM groups,but there was no significant difference between ERM *** deep VD ratio was significantly higher in the iERM group than in the control ***:Diabetic and idiopathic ERMs differ in their mechanism of formation and clinical presentation,as well as their effect on retinal vascular *** the relationship of increase of retinal thickness with vascular integrity can be demonstrated with OCT-A,then,OCT-A can be used as a guide for ERM prognosis.

关键词： diabetic macular edema epiretinal membrane macula vessel density ratio optical coherence tomography angiography

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