Chang Gung medical journal · 2004
Surgical management of strabismus for dysthyroid ophthalmopathy.
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Yang Meng-Ling, Hsu Hung-Na, Ma Lih, Kao Ling-Yuh
Аннотация
BACKGROUND: The study reports our 8-year experience in the surgical treatment of restrictive myopathy resulting from dysthyroid ophthalmopathy. We tried to determine the factors that contributed to favorable surgical outcomes.
METHODS: The charts of patients who had surgical treatment for strabismus related to dysthyroid ophthalmopathy at Chang Gung Memorial Hospital between January 1995 and December 2002 (n=25) were retrospectively reviewed, and factors that possibly influenced the outcome were statistically analyzed for significance.
RESULTS: The mean pre-operative vertical deviation of the 25 patients was 23.3 prism diopters and the pre-operative horizontal deviation was 11.3 prism diopters. The mean follow-up time was 29.7 months. Each patient had strabismus surgery an average of 1.5 times. The majority of patients (84%) were satisfied with the result. No significant difference in the success rate was evident between patients who waited less than 3 months before the surgery and those who waited for a longer period. The repeat surgery rate was significantly higher in the latter group. A shorter duration of diplopia and smaller angle of pre-operative horizontal deviation were contributors towards a favorable outcome.
CONCLUSIONS: A waiting time of less than 3 months prior to treatment of strabismus associated with dysthyroid ophthalmopathy produced a favorable outcome. The duration of diplopia and the pre-operative angle of horizontal deviation were the most important prognostic factors.
METHODS: The charts of patients who had surgical treatment for strabismus related to dysthyroid ophthalmopathy at Chang Gung Memorial Hospital between January 1995 and December 2002 (n=25) were retrospectively reviewed, and factors that possibly influenced the outcome were statistically analyzed for significance.
RESULTS: The mean pre-operative vertical deviation of the 25 patients was 23.3 prism diopters and the pre-operative horizontal deviation was 11.3 prism diopters. The mean follow-up time was 29.7 months. Each patient had strabismus surgery an average of 1.5 times. The majority of patients (84%) were satisfied with the result. No significant difference in the success rate was evident between patients who waited less than 3 months before the surgery and those who waited for a longer period. The repeat surgery rate was significantly higher in the latter group. A shorter duration of diplopia and smaller angle of pre-operative horizontal deviation were contributors towards a favorable outcome.
CONCLUSIONS: A waiting time of less than 3 months prior to treatment of strabismus associated with dysthyroid ophthalmopathy produced a favorable outcome. The duration of diplopia and the pre-operative angle of horizontal deviation were the most important prognostic factors.