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Focal lamina cribrosa defects and significant peripapillary choroidal thinning in patients with unilateral branch retinal vein occlusion

Authors
 Hae Min Kang  ;  Eun Woo Kim  ;  Jeong Hoon Choi  ;  Hyoung Jun Koh  ;  Sung Chul Lee 
Citation
 PLOS ONE, Vol.15(3) : e0230293, 2020-03 
Journal Title
 PLOS ONE 
Issue Date
2020-03
MeSH
Adult ; Aged ; Cross-Sectional Studies ; Female ; Humans ; Male ; Middle Aged ; Nerve Fibers / pathology* ; Optic Nerve Diseases / physiopathology* ; Retinal Vein Occlusion / physiopathology* ; Retrospective Studies
Abstract
Purpose: To investigate the prevalence of focal lamina cribrosa (LC) defects in patients with unilateral branch retinal vein occlusion (BRVO) and to compare ocular characteristics between eyes with and without focal LC defect and those eyes with normal-tension glaucoma (NTG). Methods: This retrospective, cross-sectional study included 121 patients. Thirty-nine patients had unilateral BRVO (BRVO group), 36 patients had NTG (NTG group), and 36 patients had vitreous floaters, but no other ocular diseases (control group). In addition to baseline characteristics such as age, sex, refractive errors, the ocular characteristics such as peripapillary choroidal thickness (PCT), retinal nerve fiber layer thickness, and subfoveal choroidal thickness were retrospectively analyzed. Results: Focal LC defects were detected in 20 eyes of 14 patients (38.9%) in the BRVO group, 24 eyes of 15 patients (41.7%) in the NTG group, and none in the control group (P<0.001). In the BRVO-affected eyes, the mean PCT was 102.7±31.1 μm in the eyes with focal LC defects, and 163.1±70.1 μm in the eyes without LC defects (P = 0.009). In the BRVO-affected eyes, the mean PCT was 102.7±31.1 μm in the eyes with focal LC defects, and 163.1±70.1 μm in the eyes without LC defects (P = 0.009). In the NTG group, the mean PCT was 133.1±48.9 μm in the eyes with focal LC defects and 170.8±81.9 μm in those without (P = 0.042). The other baseline and ocular characteristics were not significantly different between the eyes with and without focal LC defects in both the BRVO group and the NTG group. Conclusions: About 40% of the patients with unilateral BRVO had focal LC defect in the BRVO-affected eyes and unaffected fellow eyes, similar prevalence to the patients with NTG. The mean PCT was significantly thinner in the eyes with focal LC defect than those without in the patients with BRVO and those with NTG, suggesting possible pathophysiologic correlation between these two diseases.
Files in This Item:
T202005940.pdf Download
DOI
10.1371/journal.pone.0230293
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Ophthalmology (안과학교실) > 1. Journal Papers
Yonsei Authors
Koh, Hyoung Jun(고형준) ORCID logo https://orcid.org/0000-0002-5932-8516
Lee, Sung Chul(이성철) ORCID logo https://orcid.org/0000-0001-9438-2385
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/181482
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