Comparison of peripapillary choroidal thickness between healthy subjects and patients with Parkinson''s disease

Garcia-Martin, E. (Universidad de Zaragoza) ; Pablo, L.E. (Universidad de Zaragoza) ; Bambo, M.P. (Universidad de Zaragoza) ; Alarcia, R. ; Polo, V. (Universidad de Zaragoza) ; Larrosa, J.M. (Universidad de Zaragoza) ; Vilades, E. ; Cameo, B. ; Orduna, E. ; Ramirez, T. ; Satue, M.
Comparison of peripapillary choroidal thickness between healthy subjects and patients with Parkinson''s disease
Resumen: Purpose: To study peripapillary choroidal thickness (PPCT) in healthy subjects using swept-source optical coherence tomography (SS-OCT), and to evaluate PPCT differences between Parkinson''s disease (PD) patients, and age- and sex-matched healthy controls. Design: Case-control study Methods: 80 healthy subjects and 40 PD patients were consecutively recruited in this single institution study. The healthy subjects were divided into two populations: a teaching population (n = 40, used to establish choroidal zones) and a validating population (n = 40, used to compare measurements with PD patients). An optic disc 6.0x6.0 mm three-dimensional scan was obtained using Deep Range Imaging (DRI) OCT Triton. A 26x26 cube-grid centered on the optic disc was generated to automatically measure choroidal thickness. Five concentric choroidal zones were established and used to compare PPCT between healthy and PD patients. Results: PPCT was significantly thicker in PD patients compared with controls in all four concentric zones evaluated (p=0.0001). PPCT followed a similar pattern in controls and PD; it was thicker in the temporosuperior region, followed by the superior, temporal, nasal, and inferior regions. Conclusion: PD patients presented with an increased PPCT in all zones surrounding the optic disc compared with healthy subjects. The peripapillary choroidal tissue showed a concentric pattern, with the thickness increasing with increasing distance from the optic nerve. SS-OCT could be useful for evaluating choroidal thinning in clinical practice.
Idioma: Inglés
DOI: 10.1371/journal.pone.0177163
Año: 2017
Publicado en: PloS one 12, 5 (2017), e0177163 [13pp]
ISSN: 1932-6203

Factor impacto JCR: 2.766 (2017)
Categ. JCR: MULTIDISCIPLINARY SCIENCES rank: 15 / 64 = 0.234 (2017) - Q1 - T1
Factor impacto SCIMAGO: 1.164 - Agricultural and Biological Sciences (miscellaneous) (Q1) - Medicine (miscellaneous) (Q1) - Biochemistry, Genetics and Molecular Biology (miscellaneous) (Q1)

Tipo y forma: Article (Published version)
Área (Departamento): Área Oftalmología (Dpto. Cirugía,Ginecol.Obstetr.)

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