Abstract
Purpose
Rim-off lateral wall decompression may be associated with functional and cosmetic deficit. Our objective, therefore, was to describe the functional and cosmetic results of deep lateral orbital decompression with and without anterior rim repositioning for thyroid eye disease.
Methods
In this retrospective comparative case series all consecutive thyroid eye disease patients who underwent deep lateral wall decompression at the Royal Victorian Eye and Ear Hospital between 1990–2007 and the Goldschleger Eye Institute, Sheba Medical Center between 2008–2011 were included. Patients were divided into two groups: the “rim-on” group in which the anterior lateral orbital rim was repositioned and the “rim-off” group in which it was left off. Main outcome measures were: proptosis reduction, postoperative oscillopsia and diplopia, presence of visible or palpable lateral orbit depression.
Results
One hundred and twelve patients who underwent 186 orbital decompressions were included in the final analysis. The average proptosis reduction for two- and three-wall decompressions ranged between 4.6-4.9 mm in the rim-on and 4.6-5.7 mm in the rim-off group respectively. The prevalence of postoperative oscillopsia was similar in both groups. The preoperative diplopia worsened in 17 patients (32.1 %) in the rim-on group and in seven patients (12.3 %) in the rim-off group (P = .02, chi-square test). None of the patients developed visible or palpable lateral orbit depression.
Conclusions
Deep lateral orbital decompression without anterior rim repositioning may be an effective approach to enhance functional and cosmetic outcomes in thyroid eye disease patients without increasing the risk of lateral wall depression or postoperative oscillopsia.
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The authors thank Ms. Esther Eshkoli for professional English editing.
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The study was supported in part by the Talpiot Medical Leadership Program, Sheba Medical Center, Tel Hashomer, Israel, which had no role in the design or conduct of this research. No funding was received for this research
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All authors certify that they have no affiliations with or involvement in any organization or entity with any financial interest (such as honoraria; educational grants; participation in speakers’ bureaus; membership, employment, consultancies, stock ownership, or other equity interest; and expert testimony or patent-licensing arrangements), or non-financial interest (such as personal or professional relationships, affiliations, knowledge, or beliefs) in the subject matter or materials discussed in this manuscript.
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All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. This is a retrospective study, and for this type of study formal consent is not required.
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Sagiv, O., Satchi, K., Kinori, M. et al. Comparison of lateral orbital decompression with and without rim repositioning in thyroid eye disease. Graefes Arch Clin Exp Ophthalmol 254, 791–796 (2016). https://doi.org/10.1007/s00417-015-3237-2
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DOI: https://doi.org/10.1007/s00417-015-3237-2