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Related Experiment Videos

Brainstem anesthesia presenting as dysarthria.

W J Rosen1

  • 1Section of Ophthalmology, Dartmouth-Hitchcock Medical Center, Lebanon, New Hampshire 03756-0001, USA.

Journal of Cataract and Refractive Surgery
|August 13, 1999
PubMed
Summary
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Dysarthria, or difficulty speaking, was the first sign of a rare complication from retrobulbar injection during cataract surgery. The injection penetrated the optic nerve sheath, causing brainstem anesthesia and multiple cranial nerve palsies.

Area of Science:

  • Ophthalmology
  • Neurology
  • Anesthesiology

Background:

  • Retrobulbar injections are standard for cataract surgery anesthesia.
  • Complications, though rare, can be severe.

Observation:

  • A patient developed dysarthria immediately following a retrobulbar injection.
  • This was followed by signs of brainstem anesthesia and cranial nerve palsies.

Findings:

  • The dysarthria was the initial indicator of optic nerve sheath penetration by the injection.
  • This led to unintended brainstem anesthesia and subsequent neurological deficits.

Implications:

  • This case highlights a rare but serious complication of retrobulbar injections.
  • Awareness of dysarthria as a presenting sign can aid in early diagnosis and management of such events.

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