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A.V. Tereshhenko, J.A. Belyi, I.G. Trifanenkova, A.A. Vydrina
Dosing degree of anterior transposition of the inferior oblique muscle in a vertical strabismus surgery
Abstract
Dosing degree of anterior transposition of the inferior oblique muscle in a vertical strabismus surgery
A.V. Tereshhenko, J.A. Belyi, I.G. Trifanenkova, A.A. Vydrina
The Kaluga Branch of the S. Fyodorov Eye Microsurgery Federal State Institution, Kaluga, Russia
Introduction. Continuation of the search for the optimal methods and principles of surgical treatment of vertical strabismus caused by hyperfunction of the inferior oblique muscle, testifies to the relevance of developing new approaches to eliminate hypertropia depending on its severity.
Purpose. To develop a method of dosing the degree of anterior transposition of the inferior oblique muscle in the surgical treatment of vertical strabismus caused by hyperfunction of the inferior oblique muscle of various degrees of severity, and to evaluate its clinical efficacy.
Material and methods.In the follow-up period from January 2013 to October 2015, there were 60 children (96 eyes) aged from 3 to 17 years with a vertical strabismus caused by hyperfunction of the inferior oblique muscle. All patients underwent a complete pre- and post-operative examination as well as a surgical treatment. The weakening of the inferior oblique muscle was performed by means of its anterior dosed transposition.
Results. The study revealed no cases of intra-operative complications. Specific complications which were characteristic to the inferior oblique weakening procedures were not noted in any single case. Overcorrection was not observed either in case of surgical treatment of large vertical angles of strabismus, or in cases of surgical treatment of small vertical deviations. Restriction of mobility of the eyeballs was not recorded during the entire follow-up period in any patient. Residual hyperfunction of the inferior oblique muscle in 3 patients (5%) did not exceed the value of the vertical fusion and did not require an additional surgical treatment.
Conclusion.The technology allows to increase significantly the efficiency and safety of treatment, to decrease significantly the risk of complications, to reduce the duration of surgery and anesthesia, the quantity of surgical treatment stages, to create optimal conditions for restoration of visual functions in children.
Key words: strabismus, vertical strabismus, hyperfunction of the inferior oblique muscle, surgical treatment.
Страница источника: 24-30
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