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Success of strabismus surgery in intermittent exotropia

2025-07Artigo científico Acesso aberto
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datacite.subject.sdg03:Saúde de Qualidade
dc.contributor.authorLino, Pedro
dc.contributor.authorAguiar, Pedro Vargues de
dc.contributor.authorCunha, João Paulo
dc.date.accessioned2025-12-18T10:09:17Z
dc.date.available2025-12-18T10:09:17Z
dc.date.issued2025-07
dc.descriptionThis research was funded by Fundação para a Ciência e Tecnologia (FCT, Portugal) through national funds to the Associated Laboratory in Translation and Innovation Towards Global Health REAL (LA/P/0117/2020).
dc.description.abstractIntroduction: Intermittent exotropia (IXT) is the most common form of childhood divergent strabismus. Surgery remains the primary approach to control ocular deviation and preserve binocular function. Although previous studies report a success rate of approximately 75%, factors influencing surgical outcomes remain insufficiently explored. This study evaluates the effectiveness of strabismus surgery in children with IXT and identifies predictors of postoperative alignment stability. Methods: This retrospective study included 258 children with basic-type IXT or divergence excess who underwent bilateral lateral rectus recession. Clinical records and surgical data were analyzed to determine the overall success rate and identify associated predictive factors. Results: The sample included 166 females (64.3%) and 92 males (35.7%), with a mean age of 11.19 ± 3.73 years. Surgical success was achieved in 238 patients (92.2%). Success rates were similar across sexes (92.8% in females vs. 91.3% in males). No significant associations were found between surgical success and sex, age, preoperative occlusion therapy, binocular function, or IXT subtype. However, patients with moderate preoperative deviations had higher success rates. A statistically significant difference was observed in the preoperative deviation angle between successful (31 ± 7.08∆) and unsuccessful (42 ± 7.27∆) cases. A lower AC/A ratio was also associated with better outcomes, although it was not the main predictor. Discussion: The high success rate (92.2%) suggests a limited impact of demographic or preoperative variables. The preoperative deviation angle emerged as the strongest predictor of success, with smaller angles correlating with more favorable surgical outcomes. These findings underscore the importance of accurate preoperative assessment in surgical planning for IXT.eng
dc.identifier.citationLino P, Aguiar PV, Cunha JP. Success of strabismus surgery in intermittent exotropia. J Pers Med. 2025;15(8):333.
dc.identifier.doi10.3390/jpm15080333
dc.identifier.issn2075-4426
dc.identifier.urihttp://hdl.handle.net/10400.21/22360
dc.language.isoeng
dc.peerreviewedyes
dc.publisherMDPI AG
dc.relation.hasversionhttps://www.mdpi.com/2075-4426/15/8/333
dc.relation.ispartofJournal of Personalized Medicine
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectOphthalmology
dc.subjectIntermittent exotropia
dc.subjectRecurrence
dc.subjectSurgery
dc.subjectSurgical success
dc.subjectStrabismus
dc.titleSuccess of strabismus surgery in intermittent exotropiaeng
dc.typejournal article
dspace.entity.typePublication
oaire.citation.issue8
oaire.citation.startPage333
oaire.citation.titleJournal of Personalized Medicine
oaire.citation.volume15
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85

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