The efficacy of hyperbaric oxygen therapy in the treatment of central retinal artery occlusion

BMJ Case Reports
Andreia SoaresCarla Ferreira

Abstract

Central retinal artery occlusion (CRAO) is an ophthalmological emergency. Various treatment modalities have been tried, but none have shown to alter natural history of the disease. Hyperoxia can restore retinal oxygenation, and favourable results were obtained with hyperbaric oxygen therapy (HBOT). We report two patients with sudden visual loss due to CRAO treated with HBOT. Case 1: a 61-year-old female, presented with CRAO in her left eye(OS). She was submitted to eight sessions of HBOT(2.4atmosphere absolute (ATA)). BCVA(Best corrected visual acuity) improved from counting fingers (CF) to 1.0 and fluorescein angiography (FA) showed a normalisation. Vascular study showed a value of 8.8% for HbA1c and ventricular extrasystoles. Case 2: a 69-year-old male presented with CRAO in his OS. Nine sessions of HBOT(2.4 ATA) were performed. Best corrected visual acuity (BCVA)improved from CF to 0.8 and the FA was normalised. Vascular study revealed an atheromatous carotid disease, and cardiac pathology. HBOT seems to be beneficial on the recovery of vision following CRAO.

References

Aug 26, 2000·Der Ophthalmologe : Zeitschrift der Deutschen Ophthalmologischen Gesellschaft·S AisenbreyK Heimann
Feb 1, 2002·European Journal of Ophthalmology·I BeiranB Miller
Nov 26, 2002·Klinische Monatsblätter für Augenheilkunde·Andreas W A WeinbergerNorbert F Schrage
Mar 20, 2008·Survey of Ophthalmology·Halit Oguz, Gungor Sobaci
Oct 15, 2011·American Journal of Ophthalmology·Johannes Menzel-SeveringBabac Mazinani

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Citations

Feb 25, 2020·Case Reports in Ophthalmological Medicine·Ana Sofia LopesFrancisco Guerreiro
Dec 22, 2019·Graefe's Archive for Clinical and Experimental Ophthalmology = Albrecht Von Graefes Archiv Für Klinische Und Experimentelle Ophthalmologie·Ilka SchmidtDavid Kuerten
Jun 18, 2020·International Medical Case Reports Journal·Somya ChowdharyShailesh K Gupta
Jul 16, 2019·Retinal Cases & Brief Reports·Thomas C MastersKevin C Engel

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