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[Oculomotor nerve paralysis in intracranial aneurysm]
E Orłowska1, E Jaszczuk, M Marciniak
1Kliniki Neurologicznej CSK WAM w Warszawie.
Neurologia I Neurochirurgia Polska
|November 1, 1988
Summary
Intracranial aneurysms can damage the oculomotor nerve, causing paralysis or partial issues. Arteriography is crucial for diagnosing unclear oculomotor nerve damage, especially with posterior communicating artery aneurysms.
Area of Science:
- Neurosurgery
- Neurology
- Vascular Neurology
Background:
- Intracranial aneurysms are a significant cause of neurological deficits.
- Oculomotor nerve (cranial nerve III) palsy can result from various pathologies, including aneurysms.
Observation:
- A study analyzed 257 surgical cases for intracranial aneurysms.
- Eight cases (3.1%) showed oculomotor nerve damage linked to posterior communicating artery or internal carotid artery aneurysms.
- Damage included complete paralysis (6 patients) and partial involvement (2 patients).
Findings:
- Four aneurysms were unruptured but presented with headache and subsequent oculomotor nerve damage.
- Aneurysms of the posterior communicating artery were implicated in oculomotor nerve compromise.
- The study highlights a direct correlation between specific aneurysm locations and oculomotor nerve dysfunction.
Implications:
- Early diagnosis of oculomotor nerve damage is critical.
- Arteriography is recommended for all unclear cases of oculomotor nerve damage to identify potential aneurysms.
- Prompt identification and management of intracranial aneurysms can prevent irreversible neurological deficits.