Retrobulbar blood flow changes in eyes with diabetic retinopathy a 10 year follow up study

Meira Neudorfer,1,* Rivka Kessner,1,* Dafna Goldenberg,1 Anat Lavie,1 Ada Kessler21Department of Ophthalmology, 2Radiology Ultrasound Unit, Sackler Faculty of Medicine, Tel Aviv Sourasky Medical Center, Tel Aviv University, Tel Aviv, Israel*These authors contributed equally to this workPurpose: We...

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Autores principales:	Neudorfer M, Kessner R, Goldenberg D, Lavie A, Kessler A
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2014
Materias:	Ophthalmology RE1-994
Acceso en línea:	https://doaj.org/article/9176ebeb76e449fcab504ba117d93391
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spelling	oai:doaj.org-article:9176ebeb76e449fcab504ba117d933912021-12-02T07:49:27ZRetrobulbar blood flow changes in eyes with diabetic retinopathy a 10 year follow up study1177-5483https://doaj.org/article/9176ebeb76e449fcab504ba117d933912014-11-01T00:00:00Zhttp://www.dovepress.com/retrobulbar-blood-flow-changes-in-eyes-with-diabetic-retinopathy-a-10--peer-reviewed-article-OPTHhttps://doaj.org/toc/1177-5483 Meira Neudorfer,1,* Rivka Kessner,1,* Dafna Goldenberg,1 Anat Lavie,1 Ada Kessler21Department of Ophthalmology, 2Radiology Ultrasound Unit, Sackler Faculty of Medicine, Tel Aviv Sourasky Medical Center, Tel Aviv University, Tel Aviv, Israel*These authors contributed equally to this workPurpose: We sought to assess long-term changes in the flow parameters of retrobulbar vessels in diabetic patients.Methods: The retrobulbar circulation of 138 eyes was evaluated between 1994 and 1995 and 36 eyes were reevaluated between 2004 and 2008 (study group). They were divided into four groups: eyes of diabetic patients without diabetic retinopathy (DR), eyes with nonproliferative DR, eyes with proliferative DR, and eyes of nondiabetic patients (controls). Color Doppler imaging was used to assess the flow velocities in the major retrobulbar vessels. The resistive index (RI) was calculated and compared among the groups and between the two time periods.Results: RI values of the central retinal artery and posterior ciliary artery had increased in the two non-DR groups and in the nonproliferative DR group, with a surprising decrease measured in eyes with proliferative DR (P= nonsignificant [NS]). Combining the nonproliferative DR and proliferative DR groups resulted in a milder increase of the RI of the posterior ciliary artery (P= NS) and the central retinal artery (P=0.02) in the DR group compared to the other groups.Conclusion: Our results demonstrate that an increase of the resistance in the retrobulbar vessels, as a part of DR, can lessen over time and may even be reversed.Keywords: color Doppler imaging, diabetic retinopathy, retrobulbar blood flowNeudorfer MKessner RGoldenberg DLavie AKessler ADove Medical PressarticleOphthalmologyRE1-994ENClinical Ophthalmology, Vol 2014, Iss default, Pp 2325-2332 (2014)
institution	DOAJ
collection	DOAJ
language	EN
topic	Ophthalmology RE1-994
spellingShingle	Ophthalmology RE1-994 Neudorfer M Kessner R Goldenberg D Lavie A Kessler A Retrobulbar blood flow changes in eyes with diabetic retinopathy a 10 year follow up study
description	Meira Neudorfer,1,* Rivka Kessner,1,* Dafna Goldenberg,1 Anat Lavie,1 Ada Kessler21Department of Ophthalmology, 2Radiology Ultrasound Unit, Sackler Faculty of Medicine, Tel Aviv Sourasky Medical Center, Tel Aviv University, Tel Aviv, Israel*These authors contributed equally to this workPurpose: We sought to assess long-term changes in the flow parameters of retrobulbar vessels in diabetic patients.Methods: The retrobulbar circulation of 138 eyes was evaluated between 1994 and 1995 and 36 eyes were reevaluated between 2004 and 2008 (study group). They were divided into four groups: eyes of diabetic patients without diabetic retinopathy (DR), eyes with nonproliferative DR, eyes with proliferative DR, and eyes of nondiabetic patients (controls). Color Doppler imaging was used to assess the flow velocities in the major retrobulbar vessels. The resistive index (RI) was calculated and compared among the groups and between the two time periods.Results: RI values of the central retinal artery and posterior ciliary artery had increased in the two non-DR groups and in the nonproliferative DR group, with a surprising decrease measured in eyes with proliferative DR (P= nonsignificant [NS]). Combining the nonproliferative DR and proliferative DR groups resulted in a milder increase of the RI of the posterior ciliary artery (P= NS) and the central retinal artery (P=0.02) in the DR group compared to the other groups.Conclusion: Our results demonstrate that an increase of the resistance in the retrobulbar vessels, as a part of DR, can lessen over time and may even be reversed.Keywords: color Doppler imaging, diabetic retinopathy, retrobulbar blood flow
format	article
author	Neudorfer M Kessner R Goldenberg D Lavie A Kessler A
author_facet	Neudorfer M Kessner R Goldenberg D Lavie A Kessler A
author_sort	Neudorfer M
title	Retrobulbar blood flow changes in eyes with diabetic retinopathy a 10 year follow up study
title_short	Retrobulbar blood flow changes in eyes with diabetic retinopathy a 10 year follow up study
title_full	Retrobulbar blood flow changes in eyes with diabetic retinopathy a 10 year follow up study
title_fullStr	Retrobulbar blood flow changes in eyes with diabetic retinopathy a 10 year follow up study
title_full_unstemmed	Retrobulbar blood flow changes in eyes with diabetic retinopathy a 10 year follow up study
title_sort	retrobulbar blood flow changes in eyes with diabetic retinopathy a 10 year follow up study
publisher	Dove Medical Press
publishDate	2014
url	https://doaj.org/article/9176ebeb76e449fcab504ba117d93391
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Retrobulbar blood flow changes in eyes with diabetic retinopathy a 10 year follow up study

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