Acute effect of pure oxygen breathing on diabetic macular edema

3 Citationer (Scopus)


Purpose. A small-scale pilot study of the pathophysiology of diabetic macular edema (DME) was made by assessing concomitant changes in macular volume (MV), mean arterial blood pressure (MABP), intraocular pressure (IOP), retinal artery diameter (RAD), and retinal vein diameter (RVD) in response to 120 minutes of pure oxygen breathing. Methods. Eleven eyes of 11 patients with DME were examined at baseline and while breathing pure oxygen for 120 minutes followed by 120 minutes of breathing atmospheric air. Macular volume was determined by optical coherence tomography, retinal trunk vessel diameters by fundus photography, intraocular pressure by pulse-air tonometry, and arterial blood pressure by sphygmomanometry. Results. After initiation of pure oxygen breathing, reductions of 2.6% in RAD (p=0.04) and 11.5% reduction in RVD (p
TidsskriftEuropean Journal of Ophthalmology
Sider (fra-til)0
StatusUdgivet - 2012


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