Factors associated with visual recovery after sub-Tenon injection of triamcinolone acetonide in diabetic macular edema

Hiroko Kawashima, Kenichi Mizukawa, Junichi KiryuDepartment of Ophthalmology, Kawasaki Medical School, Okayama, JapanBackground: The purpose of this retrospective chart review was to evaluate factors associated with improvement of visual acuity after a single sub-Tenon injection of triamcinolone ace...

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Autores principales:	Kawashima H, Mizukawa K, Kiryu J
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2012
Materias:	Ophthalmology RE1-994
Acceso en línea:	https://doaj.org/article/83e4a94b21584a83936d45401b4f538b
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spelling	oai:doaj.org-article:83e4a94b21584a83936d45401b4f538b2021-12-02T02:47:41ZFactors associated with visual recovery after sub-Tenon injection of triamcinolone acetonide in diabetic macular edema1177-54671177-5483https://doaj.org/article/83e4a94b21584a83936d45401b4f538b2012-08-01T00:00:00Zhttp://www.dovepress.com/factors-associated-with-visual-recovery-after-sub-tenon-injection-of-t-a10660https://doaj.org/toc/1177-5467https://doaj.org/toc/1177-5483Hiroko Kawashima, Kenichi Mizukawa, Junichi KiryuDepartment of Ophthalmology, Kawasaki Medical School, Okayama, JapanBackground: The purpose of this retrospective chart review was to evaluate factors associated with improvement of visual acuity after a single sub-Tenon injection of triamcinolone acetonide in patients with diabetic macular edema.Methods: We reviewed the medical records for 63 consecutive eyes with diabetic macular edema treated by sub-Tenon injection of triamcinolone acetonide and assessed at 2 months postoperatively. We evaluated changes in morphology, foveal photoreceptor status, and parafoveal cystic change, and also measured the central retinal thickness and macular volume. The association of these factors with improvement of vision (logarithm of the minimum angle of resolution, logMAR) was investigated.Results: Eyes were classified as having cystoid macular edema (CME, n = 52), serous retinal detachment (n = 24), or diffuse diabetic macular edema (n = 4). In eyes with CME, the mean logMAR of visual acuity improved significantly (P = 0.003) from 0.35 &plusmn; 0.31 at baseline to 0.29 &plusmn; 0.29 after 2 months. However, there was no significant improvement of visual acuity in the eyes with serous retinal detachment or diffuse diabetic macular edema after sub-Tenon injection of triamcinolone acetonide (P = 0.549 and P = 0.545, respectively). The central retinal thickness and macular volume were both reduced significantly after sub-Tenon injection of triamcinolone acetonide in eyes with CME and serous retinal detachment. However, improvement of visual acuity in the eyes with CME was not correlated with the reduction of central retinal thickness or macular volume. Parafoveal cystic changes showed significant improvement after sub-Tenon injection of triamcinolone acetonide in eyes with CME. Photoreceptor status was significantly associated with the visual prognosis in eyes with CME, but not in eyes with serous retinal detachment.Conclusion: Visual acuity improved significantly after sub-Tenon injection of triamcinolone acetonide without photoreceptor recovery in eyes with CME. Improvement of parafoveal cystic changes in the eyes with CME suggests that bipolar cells or their accessory cells might have displayed functional recovery.Keywords: diabetic macular edema, triamcinolone acetonide, sub-Tenon injection, cystoid macular edema, external limiting membraneKawashima HMizukawa KKiryu JDove Medical PressarticleOphthalmologyRE1-994ENClinical Ophthalmology, Vol 2012, Iss default, Pp 1307-1314 (2012)
institution	DOAJ
collection	DOAJ
language	EN
topic	Ophthalmology RE1-994
spellingShingle	Ophthalmology RE1-994 Kawashima H Mizukawa K Kiryu J Factors associated with visual recovery after sub-Tenon injection of triamcinolone acetonide in diabetic macular edema
description	Hiroko Kawashima, Kenichi Mizukawa, Junichi KiryuDepartment of Ophthalmology, Kawasaki Medical School, Okayama, JapanBackground: The purpose of this retrospective chart review was to evaluate factors associated with improvement of visual acuity after a single sub-Tenon injection of triamcinolone acetonide in patients with diabetic macular edema.Methods: We reviewed the medical records for 63 consecutive eyes with diabetic macular edema treated by sub-Tenon injection of triamcinolone acetonide and assessed at 2 months postoperatively. We evaluated changes in morphology, foveal photoreceptor status, and parafoveal cystic change, and also measured the central retinal thickness and macular volume. The association of these factors with improvement of vision (logarithm of the minimum angle of resolution, logMAR) was investigated.Results: Eyes were classified as having cystoid macular edema (CME, n = 52), serous retinal detachment (n = 24), or diffuse diabetic macular edema (n = 4). In eyes with CME, the mean logMAR of visual acuity improved significantly (P = 0.003) from 0.35 &plusmn; 0.31 at baseline to 0.29 &plusmn; 0.29 after 2 months. However, there was no significant improvement of visual acuity in the eyes with serous retinal detachment or diffuse diabetic macular edema after sub-Tenon injection of triamcinolone acetonide (P = 0.549 and P = 0.545, respectively). The central retinal thickness and macular volume were both reduced significantly after sub-Tenon injection of triamcinolone acetonide in eyes with CME and serous retinal detachment. However, improvement of visual acuity in the eyes with CME was not correlated with the reduction of central retinal thickness or macular volume. Parafoveal cystic changes showed significant improvement after sub-Tenon injection of triamcinolone acetonide in eyes with CME. Photoreceptor status was significantly associated with the visual prognosis in eyes with CME, but not in eyes with serous retinal detachment.Conclusion: Visual acuity improved significantly after sub-Tenon injection of triamcinolone acetonide without photoreceptor recovery in eyes with CME. Improvement of parafoveal cystic changes in the eyes with CME suggests that bipolar cells or their accessory cells might have displayed functional recovery.Keywords: diabetic macular edema, triamcinolone acetonide, sub-Tenon injection, cystoid macular edema, external limiting membrane
format	article
author	Kawashima H Mizukawa K Kiryu J
author_facet	Kawashima H Mizukawa K Kiryu J
author_sort	Kawashima H
title	Factors associated with visual recovery after sub-Tenon injection of triamcinolone acetonide in diabetic macular edema
title_short	Factors associated with visual recovery after sub-Tenon injection of triamcinolone acetonide in diabetic macular edema
title_full	Factors associated with visual recovery after sub-Tenon injection of triamcinolone acetonide in diabetic macular edema
title_fullStr	Factors associated with visual recovery after sub-Tenon injection of triamcinolone acetonide in diabetic macular edema
title_full_unstemmed	Factors associated with visual recovery after sub-Tenon injection of triamcinolone acetonide in diabetic macular edema
title_sort	factors associated with visual recovery after sub-tenon injection of triamcinolone acetonide in diabetic macular edema
publisher	Dove Medical Press
publishDate	2012
url	https://doaj.org/article/83e4a94b21584a83936d45401b4f538b
work_keys_str_mv	AT kawashimah factorsassociatedwithvisualrecoveryaftersubtenoninjectionoftriamcinoloneacetonideindiabeticmacularedema AT mizukawak factorsassociatedwithvisualrecoveryaftersubtenoninjectionoftriamcinoloneacetonideindiabeticmacularedema AT kiryuj factorsassociatedwithvisualrecoveryaftersubtenoninjectionoftriamcinoloneacetonideindiabeticmacularedema
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Factors associated with visual recovery after sub-Tenon injection of triamcinolone acetonide in diabetic macular edema

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