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Steroids for traumatic optic neuropathy

Lookup NU author(s): Dr Patrick Yu Wai Man, Philip Griffiths


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BACKGROUND: Traumatic optic neuropathy (TON) is an important cause of severe visual loss following blunt or penetrating head trauma. Following the initial injury, optic nerve swelling within the optic nerve canal can result in secondary retinal ganglion cell loss. Optic nerve decompression with steroids or surgical interventions or both has therefore been advocated as a means of improving visual prognosis in TON. OBJECTIVES: The aim of this review was to examine the effectiveness and safety of using steroids in TON. SEARCH STRATEGY: We searched CENTRAL (which contains the Cochrane Eyes and Vision Group Trials Register) (The Cochrane Library 2010, Issue 11), MEDLINE (January 1950 to November 2010), EMBASE (January 1980 to November 2010), Latin American and Caribbean Literature on Health Sciences (LILACS) (January 1982 to November 2010), the metaRegister of Controlled Trials (mRCT) (, ( and Web of Science Conference Proceedings Citation Index- Science (CPCI-S). There were no language or date restrictions in the search for trials. The electronic databases were last searched on 23 November 2010. We also searched the reference lists of included studies, other reviews and book chapters on TON to find references to additional trials. The Science Citation Index was used to look for papers that cited the studies included in this review. We did not manually search any journals or conference proceedings. We contacted trial investigators and experts in the field to identify additional published and unpublished studies. SELECTION CRITERIA: We planned to include only randomised controlled trials (RCTs) of TON in which any steroid regime, either on its own or in combination with surgical optic nerve decompression, was compared to surgery alone or no treatment. DATA COLLECTION AND ANALYSIS: Two review authors independently assessed the titles and abstracts identified from the electronic searches. MAIN RESULTS: We included one study that met our selection criteria; a double-masked, placebo-controlled, randomised trial of high dose intravenous steroids in patients with indirect TON diagnosed within seven days of the initial injury. A total of 31 eligible participants were randomised to receive either high dose intravenous steroids (n = 16) or placebo (n = 15), and they were all followed-up for three months. Mean final best corrected visual acuity (BCVA) was 1.78±1.23 Logarithm of the Minimum Angle of Resolution (LogMAR) in the placebo group, and 1.11±1.14 LogMAR in the steroid group. The mean difference in BCVA between the placebo and steroid groups was 0.67 LogMAR (95% confidence interval -1.54 to 0.20), and this difference was not statistically significant (P = 0.13). At three months follow-up, an improvement in BCVA of 0.40 LogMAR occurred in eight eyes (8/15, 53.3%) in the placebo group, and in 11 eyes (11/16, 68.8%) in the treatment group. This difference was not statistically significant (P = 0.38). AUTHORS' CONCLUSIONS: There is a relatively high rate of spontaneous visual recovery in TON and there is no convincing data that steroids provide any additional visual benefit over observation alone. Recent evidence also suggests a possible detrimental effect of steroids in TON and further studies are urgently needed to clarify this important issue. Each case therefore needs to be assessed on an individual basis and proper informed consent is paramount.

Publication metadata

Author(s): Yu-Wai-Man P, Griffiths PG

Publication type: Review

Publication status: Published

Journal: Cochrane Database of Systematic Reviews

Year: 2011

Volume: 2011

Issue: 1

Pages: CD006032

Print publication date: 19/01/2011

ISSN (electronic): 1469-493X


DOI: 10.1002/14651858.CD006032.pub3