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Emergency management of orbital compartment syndrome: Lateral canthotomy and cantholysis case series
Rebecca Ilona Peisah1, Kevin Ostrowski2
1University of Notre Dame, St Vincent's Clinical School, Darlinghurst, NSW, Australia.
Background:
Orbital compartment syndrome (OCS) is considered a time critical condition that requires urgent surgical decompression to preserve vision. This study aims to evaluate the current clinical criteria for performing a lateral canthotomy and cantholysis (LCC) in the emergency management of suspected traumatic OCS.
Methods:
A retrospective audit of patients with suspected traumatic OCS presenting to an adult major trauma centre between January 1, 2017, and August 1, 2022, was performed.
Results:
20 patients with traumatic OCS treated with a LCC were identified. Five patients satisfied the definitive clinical criteria for LCC. The remaining 15 patients received LCC based on secondary clinical findings, or computed tomography (CT) findings suggestive of OCS. 17 patients received non-contrast CT scanning prior to LCC. Of the nine patients noted to regain baseline or close to baseline vision, only one was decompressed within two hours of injury.
Conclusion:
Despite OCS being a clinical diagnosis, the signs and symptoms associated with OCS are difficult to elicit on presentation. Seeking imaging should not delay time to decompression when clinical diagnostic criteria are present. However, imaging may have a role in determining the need for orbital decompression where the absolute indications for LCC cannot be adequately assessed.
