The influences of gender and aging on optic nerve head microcirculation in healthy adults.
Sci Rep
; 9(1): 15636, 2019 10 30.
Article
em En
| MEDLINE
| ID: mdl-31666674
ABSTRACT
Potential differences in the nature of the influences of aging and gender on the optic nerve head (ONH) microcirculation, using laser speckle flowgraphy (LSFG) were evaluated. We studied 908 healthy subjects (men = 701, age 50.0 ± 9.1 yrs, women = 208, 49.8 ± 9.5 yrs, p = 0.76). The average, maximum (Max), and minimum (Min) mean blur rate (MBR) in a heartbeat were evaluated. The parameters were analyzed separately for the tissue, vessels, and throughout the ONH (All). We investigated which MBR sections are correlated with gender and age by univariate and multivariate regression analyses. The Max MBR-All (r = -0.31) was most strongly correlated with gender (men = 1, women = 0). The Min MBR-All (r = -0.24) was most strongly correlated with age, followed by Min MBR-All (r = -0.20). The factors contributing independently to the Max MBR-All were gender (ß = -0.15), pulse pressure, spherical refraction, ocular perfusion pressure, and red blood cell (RBC) count. The factors contributing independently to the Min MBR-Vessel were gender (ß = -0.09), age (ß = -0.25), body mass index, heart rate, and spherical refraction. The factors contributing independently to the Min-MBR-All were age (ß = -0.22), heart rate, and RBC count. Our results revealed that gender differences influence the Max MBR, and aging influences the Min MBR. These correlations were stronger than that of average MBR.
Texto completo:
1
Base de dados:
MEDLINE
Assunto principal:
Disco Óptico
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Microcirculação
Tipo de estudo:
Observational_studies
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Prevalence_studies
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Risk_factors_studies
Limite:
Adult
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Humans
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Male
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Middle aged
Idioma:
En
Revista:
Sci Rep
Ano de publicação:
2019
Tipo de documento:
Article
País de afiliação:
Japão