Central retinal vascular trunk deviation in unilateral normal-tension glaucoma.
<h4>Purpose</h4>To investigate whether the position of the central retinal vascular trunk (CRVT), as a surrogate of lamina cribrosa (LC) offset, was associated with the presence of glaucoma in normal-tension glaucoma (NTG) patients.<h4>Methods</h4>The position of the CRVT was...
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oai:doaj.org-article:e852614478a840b98cd1fb01330cebc02021-12-02T20:06:46ZCentral retinal vascular trunk deviation in unilateral normal-tension glaucoma.1932-620310.1371/journal.pone.0254889https://doaj.org/article/e852614478a840b98cd1fb01330cebc02021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0254889https://doaj.org/toc/1932-6203<h4>Purpose</h4>To investigate whether the position of the central retinal vascular trunk (CRVT), as a surrogate of lamina cribrosa (LC) offset, was associated with the presence of glaucoma in normal-tension glaucoma (NTG) patients.<h4>Methods</h4>The position of the CRVT was measured as the deviation from the center of the Bruch's membrane opening (BMO), as delineated by spectral-domain optical coherence tomography imaging. The offset index was calculated as the distance of the CRVT from the BMO center relative to that of the BMO margin. The angular deviation of CRVT was measured with the horizontal nasal midline as 0° and the superior location as a positive value. The offset index and angular deviation were compared between glaucoma and fellow control eyes within individuals.<h4>Results</h4>NTG eyes had higher baseline intraocular pressure (P = 0.001), a larger β-zone parapapillary atrophy area (P = 0.013), and a larger offset index (P<0.001). In a generalized linear mixed-effects model, larger offset index was the only risk factor of NTG diagnosis (OR = 31.625, P<0.001). A generalized estimating equation regression model revealed that the offset index was larger in the NTG eyes than in the control eyes for all ranges of axial length, while it was the smallest for the axial length of 23.4 mm (all P<0.001).<h4>Conclusions</h4>The offset index was larger in the unilateral NTG eyes, which fact is suggestive of the potential role of LC/BMO offset as a loco-regional susceptibility factor.Ho-Kyung ChoungMartha KimSohee OhKyoung Min LeeSeok Hwan KimPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 7, p e0254889 (2021) |
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Medicine R Science Q Ho-Kyung Choung Martha Kim Sohee Oh Kyoung Min Lee Seok Hwan Kim Central retinal vascular trunk deviation in unilateral normal-tension glaucoma. |
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<h4>Purpose</h4>To investigate whether the position of the central retinal vascular trunk (CRVT), as a surrogate of lamina cribrosa (LC) offset, was associated with the presence of glaucoma in normal-tension glaucoma (NTG) patients.<h4>Methods</h4>The position of the CRVT was measured as the deviation from the center of the Bruch's membrane opening (BMO), as delineated by spectral-domain optical coherence tomography imaging. The offset index was calculated as the distance of the CRVT from the BMO center relative to that of the BMO margin. The angular deviation of CRVT was measured with the horizontal nasal midline as 0° and the superior location as a positive value. The offset index and angular deviation were compared between glaucoma and fellow control eyes within individuals.<h4>Results</h4>NTG eyes had higher baseline intraocular pressure (P = 0.001), a larger β-zone parapapillary atrophy area (P = 0.013), and a larger offset index (P<0.001). In a generalized linear mixed-effects model, larger offset index was the only risk factor of NTG diagnosis (OR = 31.625, P<0.001). A generalized estimating equation regression model revealed that the offset index was larger in the NTG eyes than in the control eyes for all ranges of axial length, while it was the smallest for the axial length of 23.4 mm (all P<0.001).<h4>Conclusions</h4>The offset index was larger in the unilateral NTG eyes, which fact is suggestive of the potential role of LC/BMO offset as a loco-regional susceptibility factor. |
format |
article |
author |
Ho-Kyung Choung Martha Kim Sohee Oh Kyoung Min Lee Seok Hwan Kim |
author_facet |
Ho-Kyung Choung Martha Kim Sohee Oh Kyoung Min Lee Seok Hwan Kim |
author_sort |
Ho-Kyung Choung |
title |
Central retinal vascular trunk deviation in unilateral normal-tension glaucoma. |
title_short |
Central retinal vascular trunk deviation in unilateral normal-tension glaucoma. |
title_full |
Central retinal vascular trunk deviation in unilateral normal-tension glaucoma. |
title_fullStr |
Central retinal vascular trunk deviation in unilateral normal-tension glaucoma. |
title_full_unstemmed |
Central retinal vascular trunk deviation in unilateral normal-tension glaucoma. |
title_sort |
central retinal vascular trunk deviation in unilateral normal-tension glaucoma. |
publisher |
Public Library of Science (PLoS) |
publishDate |
2021 |
url |
https://doaj.org/article/e852614478a840b98cd1fb01330cebc0 |
work_keys_str_mv |
AT hokyungchoung centralretinalvasculartrunkdeviationinunilateralnormaltensionglaucoma AT marthakim centralretinalvasculartrunkdeviationinunilateralnormaltensionglaucoma AT soheeoh centralretinalvasculartrunkdeviationinunilateralnormaltensionglaucoma AT kyoungminlee centralretinalvasculartrunkdeviationinunilateralnormaltensionglaucoma AT seokhwankim centralretinalvasculartrunkdeviationinunilateralnormaltensionglaucoma |
_version_ |
1718375394867937280 |