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  • Title: Peripapillary choroidal thickness by enhanced depth imaging optical coherence tomography: the impact of metabolic syndrome.
    Author: Loureiro M, Braga AC, Meira D, Sepúlveda P, Agrelos L, Torres P.
    Journal: Eur J Ophthalmol; 2017 Jun 26; 27(4):428-432. PubMed ID: 28009408.
    Abstract:
    PURPOSE: To assess the impact of metabolic syndrome (MetS) on the peripapillary choroidal thickness (PPCT) and to characterize the PPCT in a Portuguese population. METHODS: This prospective study included 104 eyes. Detailed medical and ophthalmic examinations were performed; the PPCT was measured by spectral-domain optical coherence tomography (SD-OCT) using enhanced depth imaging (EDI) modality. The PPCT changes with MetS, as well as with other clinical and demographic factors, were investigated. RESULTS: The mean PPCT was 142.4 ± 54.0 µm (58-303 µm); it was thickest superiorly, followed by the temporal, nasal, and inferior sectors. The PPCT was significantly associated with axial length (p<0.001), age (p = 0.001), intraocular pressure (IOP) (p = 0.041), weight (p = 0.015), and arterial hypertension (p = 0.044). The presence of MetS was associated with thinner PPCT in all sectors, being statistically significant in the temporal (p = 0.032) and inferotemporal (p = 0.034) sectors. CONCLUSIONS: The choroidal thickness was significantly less in temporal and inferotemporal sectors in patients with MetS than in controls. This may suggest vascular insufficiency around the optic nerve head.
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