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https://www.arca.fiocruz.br/handle/icict/69984
SARS-COV-2 INDUCED ABDUCENS NERVE PALSY: A CASE REPORT AND RESPONSE TO METHYLPREDNISOLONE
Author
Affilliation
Universidade Federal do Amazonas. Manaus, AM, Brasil.
Universidade do Estado do Amazonas. Manaus, AM, Brasil.
Hospital Adventista de Manaus. Manaus, AM, Brasil.
Universidade Federal do Amazonas. Manaus, AM, Brasil.
Fundação Oswaldo Cruz. Instituto Leônidas & Maria Deane. Manaus, AM, Brasil.
Universidade do Estado do Amazonas. Manaus, AM, Brasil.
Hospital Adventista de Manaus. Manaus, AM, Brasil.
Universidade Federal do Amazonas. Manaus, AM, Brasil.
Fundação Oswaldo Cruz. Instituto Leônidas & Maria Deane. Manaus, AM, Brasil.
Abstract
Introduction: The abducens nerve (sixth cranial nerve) is a motor nerve that innervates the lateral rectus muscle, playing a key role in ocular abduction. Palsy of this nerve leads to convergent strabismus and diplopia. Common causes include strokes, trauma, inflammation, and infections, though in some cases, the etiology remains un-determined. With the emergence of COVID-19, neurological manifestations such as cranial neuropathies, including abducens nerve palsy, have been reported. Case presentation: We present a case of a previously healthy 48-year-old male diagnosed with SARS-CoV-2 infection who developed abducens nerve palsy in the left eye. Following the resolution of respiratory symp-toms, strabismus persisted. Treatment with methylprednisolone was initiated, resulting in partial recovery within one week and complete resolution after three months. Conclusion: SARS-CoV-2-induced abducens nerve palsy can be reversible with conservative treatment using methylprednisolone. Early recognition and appropriate management are crucial for achieving a favorable prognosis.
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