| Optic nerve sheath diameter in normal-tension glaucoma patients. | |
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MedLine Citation:
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PMID: 21398413 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Background To report on the optic nerve sheath diameter (ONSD) in patients with normal-tension glaucoma (NTG) compared with controls without known optic nerve (ON) or intracranial disease. Methods In 18 patients with NTG (mean age 64.9±8.9 years; 7 women and 11 men), CT of the orbit was performed. 17 age- and gender-matched patients without ON or intracranial disease, who underwent CT of the orbits for non-ophthalmological reasons, served as controls. The widest intraorbital ONSD in axial sections was measured using a standardised technique. Study design: unmasked. Statistical analysis was performed using an independent two-tailed t Test and the non-parametric Spearman correlation test. Results ONSD was significantly (p<0.001) increased in NTG patients (right side: mean 7.9±0.9 mm SD; left: 8.0±1.1 mm) compared with controls (right: 6.3±0.5 mm; left: 6.1±0.6 mm). Neither the NTG nor the control group had a significant difference in ONSD between males and females or between right and left sides. Conclusions An increased ONSD is generally associated with increased intracranial pressure; however, ONSDs in a group of NTG patients also were significantly increased compared with controls. ON sheath compartmentation and thinning of the ON sheath are two possible explanations for an increase in the ONSD in patients with NTG. |
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Authors:
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Gregor Peter Jaggi; Neil Richard Miller; Josef Flammer; Robert N Weinreb; Luca Remonda; Hanspeter Esriel Killer |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-3-11 |
Journal Detail:
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Title: The British journal of ophthalmology Volume: - ISSN: 1468-2079 ISO Abbreviation: - Publication Date: 2011 Mar |
Date Detail:
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Created Date: 2011-3-14 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0421041 Medline TA: Br J Ophthalmol Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Kantonsspital Aarau, Switzerland. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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