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Related Experiment Videos

Body sway increases immediately after strabismus surgery.

Toshihiko Matsuo1, Akiko Narita, Masuo Senda

  • 1Department of Ophthalmology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama 700-8558, Japan. matsuot@cc.okayama-u.ac.jp

Acta Medica Okayama
|March 2, 2006
PubMed
Summary

Strabismus surgery in children significantly increases body sway immediately after the procedure. Preoperative factors like poor stereoacuity and abnormal head posture are linked to this increased postural instability.

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Area of Science:

  • Ophthalmology
  • Neurology
  • Biomechanics

Background:

  • Strabismus surgery aims to correct eye alignment.
  • Postural control is crucial for maintaining balance.
  • The impact of strabismus surgery on pediatric postural stability is not well-understood.

Purpose of the Study:

  • To investigate changes in body sway after strabismus surgery in children.
  • To identify preoperative clinical factors associated with body sway.

Main Methods:

  • Prospective study involving 28 children (3-12 years) undergoing strabismus surgery.
  • Computerized static stabilometry used to measure body sway (sway path length, speed, area) preoperatively and on postoperative day 3.
  • Analysis included eyes-open and eyes-closed conditions.

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Main Results:

  • Significant increase in body sway (path length, speed, area) observed postoperatively in all patients and in a subgroup with exotropia.
  • Postoperative deviation of center of pressure towards the heel noted in exotropia subgroup.
  • Preoperatively, patients lacking stereoacuity and those with abnormal head posture showed greater body sway.

Conclusions:

  • Strabismus surgery leads to immediate, significant increases in body sway in children.
  • Reduced stereoacuity and abnormal head posture are key preoperative predictors of poorer postural stability.