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Bupivacaine injection to treat exotropia and esotropia.
MedLine Citation:
PMID:  21091334     Owner:  NLM     Status:  In-Process    
PURPOSE: To report the results of bupivacaine injection into the extraocular muscles to treat horizontal strabismus, both exotropia and esotropia.
METHODS: Bupivacaine, 4.5 ml of a 0.50% solution, was injected into the medial rectus muscle in each of 14 exotropic patients and into the lateral rectus muscle in each of 6 esotropic patients with electromyographic control. The measures of alignment were made before the procedure and 1, 3, 6, and 12 months after injection.
RESULTS: Of 20 patients, 15 had improved ocular alignment with the average change of 8.46, 8.2, 8.33 and 9 prism diopters (PD) at 1,3, 6 and 12 months, respectively. Two of 5 (40%) incomitant strabismus patients and 13 of 15 (86.66%) comitant strabismus patients had improvement in ocular alignment. Eleven of 14 exotropic patient and 4 of 6 esotropic patients had improvement in ocular alignment, averaging 9.73, 9.36, 9.54 and 6 PD in the exotropic group and 5, 5, 5, and 10.5 PD in the esotropic group. There was no serious complication from the injections.
CONCLUSIONS: Bupivacaine injection improved ocular alignment in some patients. Denervated extraocular muscle did not respond well to bupivacaine. Bupivacaine improved ocular alignment equally in esotropic and exotropic patients.
Sorot Wutthiphan; Sombat Srisuwanporn
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Strabismus     Volume:  18     ISSN:  1744-5132     ISO Abbreviation:  Strabismus     Publication Date:  2010 Dec 
Date Detail:
Created Date:  2010-11-24     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9310896     Medline TA:  Strabismus     Country:  England    
Other Details:
Languages:  eng     Pagination:  137-41     Citation Subset:  IM    
Department of Ophthalmology, Priest Hospital, Thailand.
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