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Plasma fatty acids and primary open-angle glaucoma in the elderly: the Montrachet population-based study

Abstract : BACKGROUND: To compare plasma fatty acids (FAs) between participants with primary open-angle glaucoma (POAG) and participants without neuropathy in an elderly population and to investigate specific FAs pattern in POAG. METHODS: We conducted a population-based study in participants older than 75 years. Participants underwent a comprehensive eye examination with optic nerve photographs, visual field test and optic nerve OCT with RNFL thickness measurement. Glaucomatous status was defined according to the International Society for Epidemiologic and Geographical Ophthalmology classification. Lipids were extracted from plasma and FAs methylesters prepared and analyzed by gas chromatography-mass spectrometry. RESULTS: Among the 1153 participants of the Montrachet study 810 were retained for analysis and 68 had POAG. The mean age was 82.11 ± 3.67. In multivariable analysis FAs levels were not different between POAG participants and controls (P = 0.078). A FAs pattern characterized by high negative weight of gamma-linoleic acid, eicosapentaenoic acid polyunsaturated FAs (PUFAs), Cis-7 hexadecenoic acid monounsaturated FAs (MUFAs) and high positive weight of eicosadienoic acid, docosatetraenoic acid, docosapentaenoic n-6, alpha linoleic acid PUFAs, eicosenoic acid MUFAs, margaric acid and behenic acid saturated FAs was positively associated with POAG. After adjustment for major confounders, individuals in the upper tertile of FAs pattern scores compared with those in the lower tertile were more likely to present POAG (OR = 3.09 [95% CI 1.29-7.40] P = 0.013). CONCLUSIONS: We found no significant difference regarding isolated plasma FAs between participants with POAG and participants without neuropathy in elderly but specific FAs pattern might be associated with POAG.
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https://hal.inrae.fr/hal-03186865
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Submitted on : Wednesday, March 31, 2021 - 2:19:37 PM
Last modification on : Wednesday, June 9, 2021 - 3:15:27 PM

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Alicia Chemaly, Louis Arnould, Alassane Seydou, Pierre-Henry Gabrielle, Florian Baudin, et al.. Plasma fatty acids and primary open-angle glaucoma in the elderly: the Montrachet population-based study. BMC Ophthalmology, BioMed Central, 2021, 21 (1), pp.146. ⟨10.1186/s12886-021-01910-w⟩. ⟨hal-03186865⟩

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