Adverse reactions of botulinum toxin type A for treating strabismus in children

<p> <b>E.E. Sidorenko<sup>1,2</sup>, I.A. Ostanina<sup>2</sup>, K.N.M. Rosel’o<sup>1</sup>, D.V. Migel’<sup>1,2</sup>, E.I. Sidorenko<sup>1</sup></b> </p> <p> <b><sup>1</sup>Pirogov Russian...

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Main Authors: E.E. Sidorenko, I.A. Ostanina, K.N.M. Rosel’o, D.V. Migel, E.I. Sidorenko
Format: Article
Language:Russian
Published: Prime-Media 2022-05-01
Series:РМЖ "Клиническая офтальмология"
Online Access:http://clinopht.com/upload/iblock/bc2/bc2430f5492bfebeeb8153cb7080fb19.pdf
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author E.E. Sidorenko
I.A. Ostanina
K.N.M. Rosel’o
D.V. Migel
E.I. Sidorenko
author_facet E.E. Sidorenko
I.A. Ostanina
K.N.M. Rosel’o
D.V. Migel
E.I. Sidorenko
author_sort E.E. Sidorenko
collection DOAJ
description <p> <b>E.E. Sidorenko<sup>1,2</sup>, I.A. Ostanina<sup>2</sup>, K.N.M. Rosel’o<sup>1</sup>, D.V. Migel’<sup>1,2</sup>, E.I. Sidorenko<sup>1</sup></b> </p> <p> <b><sup>1</sup>Pirogov Russian National Research Medical University, Moscow, Russian Federation</b> </p> <p> <b><sup>2</sup>V.F. Voino-Yasenetskiy Scientific and Practical Center for Specialized Medical Care <br> </b><b>&nbsp; </b><b>for Children, Moscow, Russian Federation</b> </p> <p> <i><b>Background</b>: the use of botulinum toxin type A (BTA) in ophthalmology for extraocular disorders in children and adults became possible was pioneered by A. Scott in the 1980s. Lack of experience and understudied risks of this treatment modality in Russia prevent the introduction of chemodenervation into daily ophthalmic practice. In addition, several adverse reactions of BTA were reported. Therefore, these adverse reactions should be considered when choosing this treatment in adults and children.</i> </p> <p> <i><b>Aim</b>: to assess the efficiency and adverse reactions of BTA when treating strabismus in children.</i> </p> <p> <i><b>Patients and Methods: </b>212 children (424 eyes) aged seven months to 15 years with estab-lished strabismus were enrolled. Visual fixation and acuity were measured before BTA injection. BTA was injected in horizontal extraocular muscles (average dose 3.40 U).</i> </p> <p> <i><b>Results</b>: the average angle of strabismus was 33.28±12.96°, the average angle of eso-tropia was 33.69±12.86°, the average angle of exotropia was 31.50±13.41°. Neutralization of strabismus angle was achieved in 92.2%, a reduction in strabismus angle was reported in 7.8%. In total, 288 procedures were performed. 76 patients (35.85%) required re-surgeries. In most cases, re-chemodenervation was performed in children with a strabismus angle &gt;25° (Hirschberg test). Adverse reactions of chemodenervation were blepharoptosis (2.83%), hypereffect (17.45%), conjunctival redness, and edema at the injection sites. These adverse reactions were self-limited, no specific treatment was needed.</i> </p> <p> <i><b>Conclusion</b>: chemodenervation by BTA injection in hyperfunctional extraocular muscles is a highly effective, non-traumatic, and safe treatment for strabismus in children. All adverse reactions identified by our study were transient.</i> </p> <p> <i><b>Keywords</b>: botulinum toxin type A, postoperative complications, strabismus, nystagmus, extraocular disorders, chemodenervation.</i> </p> <p> <i><b>For citation: </b>Sidorenko E.E., Ostanina I.A., Rosel’o K.N.M. et al. Adverse reactions of botulinum toxin type A for treating strabismus in children. Russian Journal of Clinical Ophthalmology. 2022;22(2):145–148 (in Russ.). DOI: 10.32364/2311-7729-2022-22-2-145-148.</i> </p> <i><br> </i><br>
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institution Kabale University
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2619-1571
language Russian
publishDate 2022-05-01
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record_format Article
series РМЖ "Клиническая офтальмология"
spelling doaj-art-3f49ee91a91145cf990f8c6c1b847e422025-01-16T09:39:38ZrusPrime-MediaРМЖ "Клиническая офтальмология"2311-77292619-15712022-05-0122231465Adverse reactions of botulinum toxin type A for treating strabismus in childrenE.E. Sidorenko0I.A. Ostanina1K.N.M. Rosel’o2D.V. Migel3E.I. Sidorenko4Russian Journal of Clinical Ophthalmology, Publisher of «Medicina-Inform» Address for correspondence: Russia, 105064, Moscow, P.O. Box 399Russian Journal of Clinical Ophthalmology, Publisher of «Medicina-Inform» Address for correspondence: Russia, 105064, Moscow, P.O. Box 399Russian Journal of Clinical Ophthalmology, Publisher of «Medicina-Inform» Address for correspondence: Russia, 105064, Moscow, P.O. Box 399Russian Journal of Clinical Ophthalmology, Publisher of «Medicina-Inform» Address for correspondence: Russia, 105064, Moscow, P.O. Box 399Russian Journal of Clinical Ophthalmology, Publisher of «Medicina-Inform» Address for correspondence: Russia, 105064, Moscow, P.O. Box 399<p> <b>E.E. Sidorenko<sup>1,2</sup>, I.A. Ostanina<sup>2</sup>, K.N.M. Rosel’o<sup>1</sup>, D.V. Migel’<sup>1,2</sup>, E.I. Sidorenko<sup>1</sup></b> </p> <p> <b><sup>1</sup>Pirogov Russian National Research Medical University, Moscow, Russian Federation</b> </p> <p> <b><sup>2</sup>V.F. Voino-Yasenetskiy Scientific and Practical Center for Specialized Medical Care <br> </b><b>&nbsp; </b><b>for Children, Moscow, Russian Federation</b> </p> <p> <i><b>Background</b>: the use of botulinum toxin type A (BTA) in ophthalmology for extraocular disorders in children and adults became possible was pioneered by A. Scott in the 1980s. Lack of experience and understudied risks of this treatment modality in Russia prevent the introduction of chemodenervation into daily ophthalmic practice. In addition, several adverse reactions of BTA were reported. Therefore, these adverse reactions should be considered when choosing this treatment in adults and children.</i> </p> <p> <i><b>Aim</b>: to assess the efficiency and adverse reactions of BTA when treating strabismus in children.</i> </p> <p> <i><b>Patients and Methods: </b>212 children (424 eyes) aged seven months to 15 years with estab-lished strabismus were enrolled. Visual fixation and acuity were measured before BTA injection. BTA was injected in horizontal extraocular muscles (average dose 3.40 U).</i> </p> <p> <i><b>Results</b>: the average angle of strabismus was 33.28±12.96°, the average angle of eso-tropia was 33.69±12.86°, the average angle of exotropia was 31.50±13.41°. Neutralization of strabismus angle was achieved in 92.2%, a reduction in strabismus angle was reported in 7.8%. In total, 288 procedures were performed. 76 patients (35.85%) required re-surgeries. In most cases, re-chemodenervation was performed in children with a strabismus angle &gt;25° (Hirschberg test). Adverse reactions of chemodenervation were blepharoptosis (2.83%), hypereffect (17.45%), conjunctival redness, and edema at the injection sites. These adverse reactions were self-limited, no specific treatment was needed.</i> </p> <p> <i><b>Conclusion</b>: chemodenervation by BTA injection in hyperfunctional extraocular muscles is a highly effective, non-traumatic, and safe treatment for strabismus in children. All adverse reactions identified by our study were transient.</i> </p> <p> <i><b>Keywords</b>: botulinum toxin type A, postoperative complications, strabismus, nystagmus, extraocular disorders, chemodenervation.</i> </p> <p> <i><b>For citation: </b>Sidorenko E.E., Ostanina I.A., Rosel’o K.N.M. et al. Adverse reactions of botulinum toxin type A for treating strabismus in children. Russian Journal of Clinical Ophthalmology. 2022;22(2):145–148 (in Russ.). DOI: 10.32364/2311-7729-2022-22-2-145-148.</i> </p> <i><br> </i><br>http://clinopht.com/upload/iblock/bc2/bc2430f5492bfebeeb8153cb7080fb19.pdf
spellingShingle E.E. Sidorenko
I.A. Ostanina
K.N.M. Rosel’o
D.V. Migel
E.I. Sidorenko
Adverse reactions of botulinum toxin type A for treating strabismus in children
РМЖ "Клиническая офтальмология"
title Adverse reactions of botulinum toxin type A for treating strabismus in children
title_full Adverse reactions of botulinum toxin type A for treating strabismus in children
title_fullStr Adverse reactions of botulinum toxin type A for treating strabismus in children
title_full_unstemmed Adverse reactions of botulinum toxin type A for treating strabismus in children
title_short Adverse reactions of botulinum toxin type A for treating strabismus in children
title_sort adverse reactions of botulinum toxin type a for treating strabismus in children
url http://clinopht.com/upload/iblock/bc2/bc2430f5492bfebeeb8153cb7080fb19.pdf
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