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Adjustable vertical rectus muscle transposition surgery

D M Laby1, A L Rosenbaum

  • 1Division of Pediatric Ophthalmology and Strabismus, Jules Stein Eye Institute, University of California, Los Angeles 90024.

Journal of Pediatric Ophthalmology and Strabismus
|March 1, 1994
PubMed
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Adjustable vertical rectus muscle transposition effectively treats esotropia in patients with lateral rectus palsy. This technique helps correct vertical deviations, improving outcomes for strabismus surgery.

Area of Science:

  • Ophthalmology
  • Strabismus Surgery

Background:

  • Vertical rectus muscle transposition is used for esotropia in abducens palsy and Duane syndrome.
  • This surgery can lead to manifest vertical deviations, necessitating further correction.

Purpose of the Study:

  • To evaluate the efficacy of adjustable suture vertical rectus muscle transposition in reducing surgical complications.
  • To assess the incidence of vertical deviations after this modified transposition technique.

Main Methods:

  • Ten patients with abnormal lateral rectus function underwent vertical rectus muscle transposition using adjustable sutures.
  • Preoperative diagnoses included abducens palsy (70%) and Duane syndrome (30%).
  • Deviations were measured in prism diopters (PD) esotropia in the primary position.

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Main Results:

  • Post-surgery, 80% of patients remained esotropic, 10% became exotropic, and 40% developed manifest vertical deviations.
  • All vertical deviations were corrected intraoperatively by recessing the vertical rectus muscle.
  • Exotropia in one patient was reduced by recessing both vertical muscles.

Conclusions:

  • Adjustable suture vertical rectus muscle transposition is a viable technique for treating esotropia associated with lateral rectus palsy.
  • The adjustable suture allows for intraoperative correction of induced vertical deviations, improving surgical outcomes.