Unilateral inferior oblique anterior transposition for dissociated vertical deviation

Journal of AAPOS : the Official Publication of the American Association for Pediatric Ophthalmology and Strabismus
Erick D Bothun, C Gail Summers

Abstract

This study analyzes the outcomes after unilateral inferior oblique anterior transposition (IOAT) for manifest dissociated vertical deviation (DVD). A retrospective chart review was conducted for all patients who had unilateral or markedly asymmetric DVD, ipsilateral overaction of the inferior oblique muscle, lack of alternating fixation, and underwent unilateral IOAT surgery between March 1997 and March 2001. In each case, the bunched inferior oblique muscle was anteriorly transposed to the lateral edge of the insertion of the inferior rectus muscle. The primary outcome variable was change in DVD. Secondary outcome variables included inferior oblique muscle action, graded from -4 to +4, and vertical deviation in primary gaze. Ten consecutive patients met the inclusion criteria. Median age at the time of surgery was 14 years (range, 2 to 41 years.) Mean follow-up was 25 months (range, 6 to 60 months). Ipsilateral DVD in primary position decreased from a mean of 20.2 prism diopters (PD) (range, 14 to 33 PD) to 3.7 PD (range, 0 to 9 PD) (t test, P <.001). Nine (90%) of the patients had an excellent postoperative result (residual DVD of 0 to 4 PD) and one (10%) had a good result (5 to 9 PD). Inferior oblique overaction was eliminat...Continue Reading

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Citations

Oct 2, 2008·Neurosurgery·Peter D Angevine, Harel Deutsch
Nov 21, 2015·The Cochrane Database of Systematic Reviews·Sarah R HattJonathan M Holmes
Jan 26, 2011·Journal of Pediatric Ophthalmology and Strabismus·Zhale RajaviMehdi Yaseri
Apr 24, 2010·Journal of Pediatric Ophthalmology and Strabismus·Se Yup LeeYoung Chun Lee
Oct 2, 2021·Journal of Pediatric Ophthalmology and Strabismus·Andrea LemboPaolo Nucci

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