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Related Experiment Videos

Cranial nerve dysfunction following carotid endarterectomy.

J Maroulis1, A Karkanevatos, K Papakostas

  • 1Department of Vascular Surgery, Royal Liverpool University Hospital, UK.

International Angiology : a Journal of the International Union of Angiology
|February 24, 2001
PubMed
Summary

Cranial nerve injury occurs in 5.6% of carotid endarterectomy (CEA) patients, but most cases resolve within weeks without lasting disability. Careful surgical technique is key to preventing these transient complications.

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Area of Science:

  • Neurosurgery
  • Vascular Surgery
  • Otolaryngology

Background:

  • Carotid endarterectomy (CEA) is a common procedure for symptomatic carotid stenosis (>70%).
  • Cranial nerve injury is a recognized complication of CEA, alongside stroke and myocardial infarction.

Purpose of the Study:

  • To determine the incidence and follow-up of cranial nerve injury following CEA.
  • To assess the long-term outcomes of cranial nerve injuries post-CEA.

Main Methods:

  • Retrospective analysis of 269 patients undergoing CEA between January 1994 and December 1997.
  • Documentation and follow-up of all diagnosed cranial nerve injuries.

Main Results:

  • Fifteen cranial nerve injuries (5.6%) were documented.

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  • Injuries included vocal cord paralysis (2.6%), hypoglossal palsy (3.3%), glossopharyngeal nerve injury (0.7%), and facial nerve palsy (0.4%).
  • All patients improved within weeks, with no residual disability at follow-up (2 weeks to 14 months).

    • Conclusions:

    • Cranial nerve injuries after CEA are typically transient and linked to surgical manipulation.
    • Prompt otolaryngological evaluation and long-term follow-up are recommended for affected patients.
    • Thorough knowledge of cranial nerve anatomy is crucial for surgeons to prevent iatrogenic injuries.