Accuracy of Optical Coherence Tomography Measurements of Rectus Muscle Insertions in Adult Patients Undergoing Strabismus Surgery

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dc.citation.volume176
dc.contributor.authorRossetto, Julia D. [UNIFESP]
dc.contributor.authorCavuoto, Kara M.
dc.contributor.authorAllemann, Norma [UNIFESP]
dc.contributor.authorMcKeown, Craig A.
dc.contributor.authorCapo, Hilda
dc.coverageNew York
dc.date.accessioned2020-07-17T14:02:30Z
dc.date.available2020-07-17T14:02:30Z
dc.date.issued2017
dc.description.abstractPURPOSE: To assess the accuracy of anterior segment optical coherence tomography (AS-OCT) in measuring the distance of extraocular muscle (EOM) insertion to the limbus to improve preoperative assessment of adult patients undergoing strabismus surgery. DESIGN: Reliability analysis. METHODS: SETTING: An institutional practice. PATIENT POPULATION: Seventy-four adult patients scheduled for strabismus surgery on rectus muscles. OBSERVATION PROCEDURE: The distance between the EOM insertion and the limbus was measured preoperatively with AS-OCT. The value was compared with the intraoperative measurement obtained with calipers. Additional measurements included the limbus-anterior chamber angle distance with AS-OCT and the axial length with IOLMaster. MAIN OUTCOME MEASURE: Agreement between preoperative AS-OCT and intraoperative measurements. A difference of 51 mm was "clinically acceptable." RESULTS: A total of 144 muscles were analyzed. Thirty-one of 33 reoperated muscles were successfully imaged. AS-OCT measurements were within 1 mm of intraoperative measurements in 77% of all muscles. The accuracy was higher for muscles with no prior surgery (83%), as compared with reoperated muscles (58%). Although the accuracy decreased when comparing reoperations to primary surgeries for the medial (79% to 63%en
dc.description.abstractP = .09en
dc.description.abstract95% confidence interval [CI], -1.38 to 0.11) and the lateral rectus (81% to 49%en
dc.description.abstractP = .11en
dc.description.abstract95% CI, -2.06 to 0.22), the difference was not significant. No correlation between limbus-anterior chamber angle distance and axial length was established. CONCLUSIONS: AS-OCT is valuable in identifying EOM insertions in primary strabismus surgeries, but the accuracy decreases in reoperations. (C) 2017 Elsevier Inc. All rights reserved.en
dc.description.affiliationUniv Miami, Miller Sch Med, Bascom Palmer Eye Inst, Dept Ophthalmol, 900 NW 17th St, Miami, FL 33136 USA
dc.description.affiliationUniv Fed Sao Paulo, Dept Ophthalmol & Visual Sci, Sao Paulo, Brazil
dc.description.affiliationUnifespUniv Fed Sao Paulo, Dept Ophthalmol & Visual Sci, Sao Paulo, Brazil
dc.description.sourceWeb of Science
dc.description.sponsorshipCAPES FOUNDATION, MINISTRY OF EDUCATION OF BRAZIL, BRASILIA, BRAZIL
dc.format.extent236-243
dc.identifierhttp://dx.doi.org/10.1016/j.ajo.2017.01.025
dc.identifier.citationAmerican Journal Of Ophthalmology. New York, v. 176, p. 236-243, 2017.
dc.identifier.doi10.1016/j.ajo.2017.01.025
dc.identifier.issn0002-9394
dc.identifier.urihttps://repositorio.unifesp.br/handle/11600/54841
dc.identifier.wosWOS:000398885100030
dc.language.isoeng
dc.publisherElsevier Science Inc
dc.relation.ispartofAmerican Journal Of Ophthalmology
dc.rightsinfo:eu-repo/semantics/restrictedAccess
dc.titleAccuracy of Optical Coherence Tomography Measurements of Rectus Muscle Insertions in Adult Patients Undergoing Strabismus Surgeryen
dc.typeinfo:eu-repo/semantics/article
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