Changes in axial length and choroidal thickness after intraocular pressure reduction resulting from trabeculectomy

Shinichi Usui,1,2 Yasushi Ikuno,2 Sato Uematsu,1 Yuko Morimoto,1 Yoshiaki Yasuno,3 Yasumasa Otori11National Hospital Organization, Osaka National Hospital, Osaka, Japan; 2Department of Ophthalmology, Osaka University Graduate School of Medicine, Suita, Japan; 3Computational Optics Group, University...

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Autores principales:	Usui S, Ikuno Y, Uematsu S, Morimoto Y, Yasuno Y, Otori Y
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2013
Materias:	Ophthalmology RE1-994
Acceso en línea:	https://doaj.org/article/af24c722d0dd4c759ef7f7a8cb869130
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spelling	oai:doaj.org-article:af24c722d0dd4c759ef7f7a8cb8691302021-12-02T05:00:00ZChanges in axial length and choroidal thickness after intraocular pressure reduction resulting from trabeculectomy1177-54671177-5483https://doaj.org/article/af24c722d0dd4c759ef7f7a8cb8691302013-06-01T00:00:00Zhttp://www.dovepress.com/changes-in-axial-length-and-choroidal-thickness-after-intraocular-pres-a13329https://doaj.org/toc/1177-5467https://doaj.org/toc/1177-5483Shinichi Usui,1,2 Yasushi Ikuno,2 Sato Uematsu,1 Yuko Morimoto,1 Yoshiaki Yasuno,3 Yasumasa Otori11National Hospital Organization, Osaka National Hospital, Osaka, Japan; 2Department of Ophthalmology, Osaka University Graduate School of Medicine, Suita, Japan; 3Computational Optics Group, University of Tsukuba, Tsukuba, JapanPurpose: To evaluate changes in axial length and choroidal thickness after trabeculectomy.Patients and methods: Fourteen patients under 80 years of age with glaucoma, were enrolled. The choroid was imaged using prototypical high-penetration optic coherence tomography (OCT) and the thickness was measured. Axial length, choroidal thickness, and intraocular pressure (IOP) were measured bilaterally at 3 pm 1 day before and 6 days after trabeculectomy. The choroidal thickness was measured at the fovea and four other locations (2 mm superior, temporal, inferior, and nasal to the center of the optic nerve head).Results: The IOP and axial length significantly decreased in eyes that underwent trabeculectomy (P < 0.0001 for the IOP; P < 0.001 for axial length comparisons). The mean choroidal thicknesses significantly increased in eyes that underwent trabeculectomy compared to preoperatively (P < 0.0001 for the fovea; P < 0.01 for four locations around the optic disc). The mean magnitude of change in IOP was correlated positively with the mean magnitude of change in axial length, but not correlated with the mean magnitude of change in choroidal thickness at the fovea that underwent trabeculectomy. The sum of the axial length and subfoveal choroidal thickness in eyes decreased significantly postoperatively (P <0.05).Conclusion: The axial length shortened, the choroid thickened, and the sum of the axial length and subfoveal choroidal thickness decreased with IOP reduction early after trabeculectomy.Keywords: choroidal thickness, trabeculectomy, optical coherence tomography, IOP reductionUsui SIkuno YUematsu SMorimoto YYasuno YOtori YDove Medical PressarticleOphthalmologyRE1-994ENClinical Ophthalmology, Vol 2013, Iss default, Pp 1155-1161 (2013)
institution	DOAJ
collection	DOAJ
language	EN
topic	Ophthalmology RE1-994
spellingShingle	Ophthalmology RE1-994 Usui S Ikuno Y Uematsu S Morimoto Y Yasuno Y Otori Y Changes in axial length and choroidal thickness after intraocular pressure reduction resulting from trabeculectomy
description	Shinichi Usui,1,2 Yasushi Ikuno,2 Sato Uematsu,1 Yuko Morimoto,1 Yoshiaki Yasuno,3 Yasumasa Otori11National Hospital Organization, Osaka National Hospital, Osaka, Japan; 2Department of Ophthalmology, Osaka University Graduate School of Medicine, Suita, Japan; 3Computational Optics Group, University of Tsukuba, Tsukuba, JapanPurpose: To evaluate changes in axial length and choroidal thickness after trabeculectomy.Patients and methods: Fourteen patients under 80 years of age with glaucoma, were enrolled. The choroid was imaged using prototypical high-penetration optic coherence tomography (OCT) and the thickness was measured. Axial length, choroidal thickness, and intraocular pressure (IOP) were measured bilaterally at 3 pm 1 day before and 6 days after trabeculectomy. The choroidal thickness was measured at the fovea and four other locations (2 mm superior, temporal, inferior, and nasal to the center of the optic nerve head).Results: The IOP and axial length significantly decreased in eyes that underwent trabeculectomy (P < 0.0001 for the IOP; P < 0.001 for axial length comparisons). The mean choroidal thicknesses significantly increased in eyes that underwent trabeculectomy compared to preoperatively (P < 0.0001 for the fovea; P < 0.01 for four locations around the optic disc). The mean magnitude of change in IOP was correlated positively with the mean magnitude of change in axial length, but not correlated with the mean magnitude of change in choroidal thickness at the fovea that underwent trabeculectomy. The sum of the axial length and subfoveal choroidal thickness in eyes decreased significantly postoperatively (P <0.05).Conclusion: The axial length shortened, the choroid thickened, and the sum of the axial length and subfoveal choroidal thickness decreased with IOP reduction early after trabeculectomy.Keywords: choroidal thickness, trabeculectomy, optical coherence tomography, IOP reduction
format	article
author	Usui S Ikuno Y Uematsu S Morimoto Y Yasuno Y Otori Y
author_facet	Usui S Ikuno Y Uematsu S Morimoto Y Yasuno Y Otori Y
author_sort	Usui S
title	Changes in axial length and choroidal thickness after intraocular pressure reduction resulting from trabeculectomy
title_short	Changes in axial length and choroidal thickness after intraocular pressure reduction resulting from trabeculectomy
title_full	Changes in axial length and choroidal thickness after intraocular pressure reduction resulting from trabeculectomy
title_fullStr	Changes in axial length and choroidal thickness after intraocular pressure reduction resulting from trabeculectomy
title_full_unstemmed	Changes in axial length and choroidal thickness after intraocular pressure reduction resulting from trabeculectomy
title_sort	changes in axial length and choroidal thickness after intraocular pressure reduction resulting from trabeculectomy
publisher	Dove Medical Press
publishDate	2013
url	https://doaj.org/article/af24c722d0dd4c759ef7f7a8cb869130
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Changes in axial length and choroidal thickness after intraocular pressure reduction resulting from trabeculectomy

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