Serial Analysis of Anterior Chamber Depth and Angle Status Using Anterior Segment Optical Coherence Tomography After Boston Keratoprosthesis

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dc.contributor.authorKang, Joann J.
dc.contributor.authorAllemann, Norma [UNIFESP]
dc.contributor.authorla Cruz, Jose de
dc.contributor.authorCortina, Maria Soledad
dc.contributor.institutionUniv Illinois
dc.contributor.institutionUniversidade Federal de São Paulo (UNIFESP)
dc.date.accessioned2016-01-24T14:34:33Z
dc.date.available2016-01-24T14:34:33Z
dc.date.issued2013-10-01
dc.description.abstractPurpose:To analyze iris behavior and angle status using serial anterior segment optical coherence tomography (AS-OCT) after Boston keratoprosthesis (KPro).Methods:A prospective cases series consisted of 11 eyes with implanted type 1 KPro at a tertiary care institution. the patients underwent preoperative and serial postoperative AS-OCT imaging. the main outcome measures included anterior chamber angle (ACA) at representative meridians (0 degrees, 45 degrees, 90 degrees, 135 degrees, 180 degrees, 225 degrees, 270 degrees, and 315 degrees), grading of total ACA as open (>10 degrees), shallow (1 degrees and 10 degrees) or closed (<1 degrees), preoperative anterior chamber depth (ACD), postoperative anatomical and functional ACD, and the presence of iris-back plate touch and peripheral anterior synechiae.Results:The mean follow-up with serial AS-OCT was 13.1 months. Preoperatively, 54.5%, 27.3%, and 18.2% of the eyes had open, shallow, and closed angles, respectively. the mean change in the effective ACD decreased postoperatively by 1.61 mm. At 0 degree and 180 degree meridians, the ACA decreased by a mean change of 6.95 degrees and 8.40 degrees, with a mean change of 8.12 degrees for all meridians. Eight (72.7%) eyes had synechiae with 7.3 and 6.7 clock hours of peripheral anterior synechiae and iris-back plate touch. At the last follow-up, 7 (63.6%) eyes had considerable progression of angle closure (change in grading of total angle), and 18.2%, 36.4%, and 45.5% had open, shallow, and closed angles, respectively.Conclusions:KPro implantation induced progressive angle closure, shallowing of the anterior chamber, and synechiae formation that is not visible on clinical examination. Serial AS-OCT plays an important role in the detection and monitoring of progressive angle closure, and clinical correlation is needed to assess the association with glaucoma development or progression.en
dc.description.affiliationUniv Illinois, Dept Ophthalmol & Visual Sci, Chicago, IL 60612 USA
dc.description.affiliationUniversidade Federal de São Paulo, Dept Ophthalmol, São Paulo, Brazil
dc.description.affiliationUnifespUniversidade Federal de São Paulo, Dept Ophthalmol, São Paulo, Brazil
dc.description.sourceWeb of Science
dc.format.extent1369-1374
dc.identifierhttp://dx.doi.org/10.1097/ICO.0b013e3182a0cff5
dc.identifier.citationCornea. Philadelphia: Lippincott Williams & Wilkins, v. 32, n. 10, p. 1369-1374, 2013.
dc.identifier.doi10.1097/ICO.0b013e3182a0cff5
dc.identifier.issn0277-3740
dc.identifier.urihttp://repositorio.unifesp.br/handle/11600/36855
dc.identifier.wosWOS:000324747000016
dc.language.isoeng
dc.publisherLippincott Williams & Wilkins
dc.relation.ispartofCornea
dc.rightsinfo:eu-repo/semantics/restrictedAccess
dc.subjectBoston keratoprosthesisen
dc.subjectanterior segment optical coherence tomographyen
dc.subjectangle closureen
dc.titleSerial Analysis of Anterior Chamber Depth and Angle Status Using Anterior Segment Optical Coherence Tomography After Boston Keratoprosthesisen
dc.typeinfo:eu-repo/semantics/article
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