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Case Reports

Non-arteritic Posterior Ischaemic Optic Neuropathy Treated with Intravenous Prostaglandin E1 and Oral Corticosteroids

, , , , &
Pages 81-84 | Received 21 Nov 2009, Accepted 19 Dec 2010, Published online: 20 Mar 2011
 

Abstract

Intravenous prostaglandin E1 and oral corticosteroids were used to treat the ischaemic phase of a non-arteritic posterior ischaemic optic neuropathy with immediate visual improvement. Non-arteritic posterior ischaemic optic neuropathy is a disorder of reduced blood flow to the retrobulbar optic nerve, usually of acute onset. It has been suggested that high-dose steroid therapy given soon after the onset of visual loss can result in significant visual improvement. This treatment, however, is not universally successful. The addition of a potent vasodilator to the corticosteroids could help restore ocular blood flow and improve visual acuity. This paper presents the use of prostaglandin E1 (PGE1), a powerful vasodilator of the microcirculation, to treat non-arteritic posterior ischaemic optic neuropathy. In this case report a 68-year-old white male with hereditary haemochromatosis was seen 8 hours after sudden loss of visual acuity in his left eye (OS) to 4/10. The diagnosis of non-arteritic posterior ischaemic optic neuropathy was made and he was immediately given oral corticosteroids. Intravenous PGE1 was given the next morning, 24 hours after the sudden loss of vision, once ischaemia of the optic nerve was confirmed by colour Doppler imaging. The visual acuity in the OS improved from 4/10 to 11/10 within 1 day. A visual field (VF) post treatment showed a peripheral scotoma without a central scotoma. At 12 months post treatment the vision OS remained 11/10. No complications due to the use of PGE1 were seen. The authors conclude that PGE1 should be considered in addition to steroids in cases of NA-PION to immediately restore blood flow to the optic nerve and improve visual acuity.

Declaration of interest: The authors report no conflicts of interest. The authors alone are responsible for the content and writing of the paper.

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