Jinu Han1, So Young Han1, Jong Bok Lee1, Sueng-Han Han2. 1. Institute of Vision Research, Department of Ophthalmology, Yonsei University College of Medicine, Seoul, Korea. 2. Institute of Vision Research, Department of Ophthalmology, Yonsei University College of Medicine, Seoul, Korea. Electronic address: shhan222@yuhs.ac.
Abstract
PURPOSE: To investigate surgical management of patients with long-standing antielevation syndrome following unilateral anterior transposition of inferior oblique muscle. METHODS: We present a series of 3 consecutive patients with significant hypotropia several years after unilateral anterior transposition surgery. An approach combining denervation-extirpation of the inferior oblique muscle and subsequent inferior rectus muscle recession and contralateral superior rectus muscle recession was used to manage all 3 patients. RESULTS: Denervation-extirpation surgery alone or with ipsilateral inferior rectus muscle recession were not enough to improve vertical misalignment in these patients. All 3 patients achieved successful results after denervation-extirpation surgery, ipsilateral inferior rectus muscle recession, and contralateral superior rectus muscle recession. CONCLUSIONS: In this case series, devervation-extirpation surgery on the inferior oblique muscle, ipsilateral inferior rectus recession, and contralateral superior rectus recession improved vertical misalignment in patients with long-standing antielevation syndrome after unilateral anterior transposition of the inferior oblique.
PURPOSE: To investigate surgical management of patients with long-standing antielevation syndrome following unilateral anterior transposition of inferior oblique muscle. METHODS: We present a series of 3 consecutive patients with significant hypotropia several years after unilateral anterior transposition surgery. An approach combining denervation-extirpation of the inferior oblique muscle and subsequent inferior rectus muscle recession and contralateral superior rectus muscle recession was used to manage all 3 patients. RESULTS: Denervation-extirpation surgery alone or with ipsilateral inferior rectus muscle recession were not enough to improve vertical misalignment in these patients. All 3 patients achieved successful results after denervation-extirpation surgery, ipsilateral inferior rectus muscle recession, and contralateral superior rectus muscle recession. CONCLUSIONS: In this case series, devervation-extirpation surgery on the inferior oblique muscle, ipsilateral inferior rectus recession, and contralateral superior rectus recession improved vertical misalignment in patients with long-standing antielevation syndrome after unilateral anterior transposition of the inferior oblique.