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Clinical Trial
. 2002 Feb;109(2):384-8.
doi: 10.1016/s0161-6420(01)00884-3.

Correction of restricted extraocular muscle motility in surgical management of strabismus in graves' ophthalmopathy

Affiliations
Clinical Trial

Correction of restricted extraocular muscle motility in surgical management of strabismus in graves' ophthalmopathy

Vu Thuy Nguyen et al. Ophthalmology. 2002 Feb.

Abstract

Objective: To compare the success rates for strabismus surgery designed to correct limitation of duction with surgery designed to correct deviation in patients with Graves' ophthalmopathy.

Design: Retrospective nonrandomized comparative trial.

Participants: One hundred thirty-seven patients with Graves' ophthalmopathy who had undergone at least one extraocular muscle surgery were divided into two groups: those whose first surgery occurred before June 1997 (control group) and those whose first surgery occurred in June 1997 or thereafter (case group).

Interventions: Extraocular muscle surgery primarily directed at either correcting deviation (control group) or correcting limitation of ductions (case group).

Main outcome measures: Postoperative deviations in the primary position were measured in prism diopters 30 to 180 days after surgery. A postoperative deviation of less than 5 diopters was considered a successful surgical outcome.

Results: Patients undergoing strabismus surgery specifically designed to correct limitation of duction achieved a 74% success rate compared with a 44% success rate in the control group (P < 0.01). Furthermore, the rate of reoperation in this group was only 27% compared with 44% in the control group (P < 0.04).

Conclusions: Compared with surgery aimed primarily at the correction of deviation, extraocular muscle surgery tailored to address restriction of ductions in patients with Graves' ophthalmopathy is associated with improved surgical success of initial realignment and with a lower rate of reoperation

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