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JYMS : Journal of Yeungnam Medical Science

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Myung Mi Kim 2 Articles
Suddenly fixed upward ocular deviation under general anesthesia
Won Jae Kim, Sang Jin Park, Myung Mi Kim
Yeungnam Univ J Med. 2017;34(2):290-292.   Published online December 31, 2017
DOI: https://doi.org/10.12701/yujm.2017.34.2.290
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AbstractAbstract PDF
Various changes in ocular position are possible during general anesthesia as opposed to the awakening state. However, unexpected ocular deviation under general anesthesia is a disconcerting event as it can lead to difficult complications intraoperatively. To date, sudden fixed upward ocular deviation has been rarely reported previously. This phenomenon was observed in an 8-year-old boy during strabismus surgery. Suddenly fixed upward ocular deviation occurred when the speculum was inserted into the right eye. When the eyeball was pulled down, using forceps, there was some resistance, such as contracture of superior rectus. The eyeball sprang back into the upward position when the forceps was released. These changes could hamper the good exposition of the surgical field, leading to significant intraoperative difficulties and complications. Surgeons should be aware of this possibility, despite general anesthesia; if it occurs, proceed with the surgery as planned preoperatively, and both ophthalmic and anesthetic interventions should be used to solve this problem.
Surgical Treatment of the Upshoot and Downshoot in Duane's Retraction Syndrome.
Myung Mi Kim
Yeungnam Univ J Med. 1989;6(2):127-132.   Published online December 31, 1989
DOI: https://doi.org/10.12701/yujm.1989.6.2.127
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  • 1 Download
AbstractAbstract PDF
The upshoot and downshoot in Duane's retraction syndrome is believed to be related to a leash effect from the lateral rectus muscle. When the eye is rotated into the adducted position, the lateral rectus muscle slips over the globe, producing the up-and downshoot on adduction. The splitting of the ends of the lateral rectus into a Y configuration prevents the rotation of the globe up or down by stabilizing the muscle's position on the eye. Three patients with Duane's retraction syndrome demonstrated abnormal vertical movement on adduction and underwent a Y-splitting on the lateral rectus. In all patients, marked decrease in the up-and downshoot in noted after surgery.

JYMS : Journal of Yeungnam Medical Science