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Related Experiment Videos

Endoscopically assisted strabismus surgery.

Michael Flanders1, Siew Yoong Hwang, Saeed Al-Ghamdi

  • 1Department of Ophthalmology, McGill University Health Center, Centre Hospitalier de l'Université de Montreal, Montreal, Canada. michael.flanders@mcgill.ca

American Journal of Rhinology
|July 12, 2007
PubMed
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Endoscopic sinus surgery (ESS) provides novel access to the posterior orbit for strabismus surgery. This technique facilitates medial rectus muscle exploration and repair, improving ocular alignment in complex cases.

Area of Science:

  • Ophthalmology
  • Surgical Innovation
  • Endoscopic Surgery

Background:

  • Posterior orbit exploration in strabismus surgery presents significant challenges.
  • Traditional open approaches carry risks and limitations.
  • Endoscopic sinus surgery (ESS) has not been previously applied to elective strabismus procedures.

Observation:

  • A transnasal endoscopic approach was utilized for a patient with severe restrictive strabismus due to thyroid orbitopathy.
  • The medial rectus (MR) muscle, inaccessible anteriorly, was identified, sectioned, and reattached.
  • Two additional cases involved endoscopic posterior orbit exploration following ESS-related MR injury.

Findings:

  • Endoscopic repositioning of the MR muscle improved ocular alignment in the primary case.

Related Experiment Videos

  • Endoscopic techniques facilitated management of MR injury, including temporary traction suture placement.
  • Exploration and lysis of adhesions were successfully performed endoscopically in anticipation of further strabismus surgery.

    • Implications:

    • The endoscopic approach expands access to the posterior orbit for elective strabismus surgery.
    • This technique offers a viable option for managing challenging strabismus cases and iatrogenic injuries.
    • Endoscopic posterior orbit exploration represents a significant advancement in surgical capabilities.