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Simultaneous Versus Staged Balanced Decompression for Thyroid-Related Compressive Optic Neuropathy.

Chris Y Wu1, Andrew W Stacey, Alon Kahana

  • 1Department of Ophthalmology and Visual Sciences, WK Kellogg Eye Center, University of Michigan, Ann Arbor, Michigan, U.S.A.

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Both simultaneous and staged balanced decompression effectively treat thyroid-related compressive optic neuropathy (CON). Individualized patient care and choice are key, as both methods show similar outcomes for vision and proptosis.

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Area of Science:

  • Ophthalmology
  • Endocrinology
  • Surgical Research

Background:

  • Thyroid-related compressive optic neuropathy (CON) can cause significant visual impairment.
  • Balanced orbital decompression is a surgical approach to manage CON.
  • The optimal surgical technique, simultaneous versus staged decompression, requires further investigation.

Purpose of the Study:

  • To compare the visual and exophthalmometry outcomes of simultaneous versus staged balanced decompression in patients with thyroid-related CON.
  • To evaluate the efficacy of different surgical timing strategies for CON.

Main Methods:

  • Retrospective study of 53 patients (80 orbits) undergoing simultaneous or staged balanced decompression for thyroid-related CON.
  • Outcomes assessed included improvement in CON score (visual function) and proptosis reduction.
  • Statistical analysis involved univariate and multivariate mixed linear regression models.

Main Results:

  • Staged balanced decompression showed a trend toward greater CON score reduction in univariate analysis (p=0.038).
  • However, neither CON score reduction nor proptosis reduction differed significantly between simultaneous and staged decompression after multivariate adjustment.
  • No statistically significant differences in proptosis reduction were observed between the two techniques.

Conclusions:

  • Simultaneous and staged balanced decompression are equally effective for visual and proptosis outcomes in thyroid-related CON.
  • Individualized patient care and patient preference should guide surgical timing decisions.
  • Further research is needed to validate the CON score and explore individualized treatment strategies for thyroid eye disease.