Abstract
BackgroundTo delineate the clinical characteristics and surgical outcomes of large angle sensory exotropia in pediatric patients.MethodsThe medical records of 54 large angle exotropia ≥40 PD patients aged from 1 to 18 years who were operated on between 2018 and 2021 and were followed up for 1 year were reviewed and contacted. Clinical characteristics and surgical outcomes were analyzed retrospectively. Patients were divided into two groups, group S patients had supermaximum recession resection and group E had augmented recession by lateral rectus muscle elongation with an autograft from the resected medial rectus muscle in the same eye. The clinical characteristics and results of both groups were compared.ResultsThe mean age of the studied patients with sensory exodeviation at the time of surgery was 8.3 ± 4.2 years. Mean of the duration of exotropia was 6.9 ± 2.2 years, and the mean of postoperative follow-up was 14.3 ± 4.2 months. Surgical success was achieved in 73.07% of group S and 82.14% of group E. Recurrence was more common with anterior segment pathology. Larger post-operative distant angles were strongly related to poorer visual acuities P = 0.001 and not related to the age of onset or the duration. Narrowing of the palpebral fissure improved in both groups at the last follow up P = 0.336. The limitation of abduction in both groups improved in the last follow up P = 0.145.ConclusionThe outcome of monocular surgery for sensory exotropia in children is satisfactory with no significant differences in results between lateral rectus muscle tendon autograft elongation technique and supermaximum recession resection. Recurrence is more common with anterior segment pathology. Larger post-operative distant angle of deviation is strongly related to poorer visual acuity.Clinical trial registrationThis study was retrospectively registered at clinicaltrials.gov (ID: NCT04286945) on 25-2-2020.
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