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Retinal artery occlusion after ophthalmic surgery under regional anaesthesia: A narrative review by Alfred WY Chua; Matthew J Chua; Brian P Harrisberg; Chandra M Kumar is a Medicine article available to read on EtoBox.

What is Retinal artery occlusion after ophthalmic surgery under regional anaesthesia: A narrative review about?

Two recent cases of central retinal artery occlusion under otherwise uncomplicated sub-Tenon’s block that resulted in significant visual loss after cataract surgery prompted us to undertake a literature review of such cases. We identified 97 cases of retinal artery occlusion after ophthalmic surgery under regional anaesthesia that had no immediate signs of block-related complications. These occurred after various intraocular (87%) and extraocular (13%) operations, across a wide range of ages (19–89 years) on patients with (59%) or without (39%) known risk factors. The anaesthetic techniques included 40 retrobulbar blocks, 36 peribulbar blocks, 19 sub-Tenon’s blocks, one topical anaesthetic and one unspecified local anaesthetic. Different strengths of lidocaine, bupivacaine, mepivacaine and ropivacaine, either alone or in various combinations, were used. The details of the anaesthetic techniques were often incomplete in the reports, which made comparison and analysis difficult. Only nine cases had their cause (optic nerve sheath injury) identified, while the mechanism of injury was unclear in the remaining patients. Various mechanisms were postulated; however, the cause was likely t

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Author

Alfred WY Chua; Matthew J Chua; Brian P Harrisberg; Chandra M Kumar

Publisher

SAGE Publications

Published

2023

Language

EN

Field

Medicine (Health Sciences)