Investigative ophthalmology & visual science · 2019
Longitudinal Changes in the Peripapillary Retinal Nerve Fiber Layer Thickness in Hypertension: 4-Year Prospective Observational Study.
СтатьяНаблюдательное исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Lee Min-Woo, Lee Woo-Hyuk, Park Gi-Seok, Lim Hyung-Bin, Kim Jung-Yeul
Аннотация
PURPOSE: To determine longitudinal changes in the peripapillary retinal nerve fiber layer (pRNFL) thickness in patients with hypertension (HTN).
METHODS: Participants without any ophthalmic disease were divided into two groups: an HTN group (50 eyes) that included patients with HTN for ≥5 years and a control group. After the initial visit, pRNFL thicknesses were measured four more times at 1-year intervals using spectral-domain optical coherence tomography. The pRNFL thickness was fitted using linear mixed models. Univariate and multivariate generalized linear mixed models were used to determine factors associated with pRNFL reductions over time.
RESULTS: The mean ages of the HTN and control groups were 62.9 ± 6.2 and 60.7 ± 6.1 years, respectively, and they were not significantly different (P = 0.089). The baseline mean pRNFL thicknesses were 90.50 ± 8.31 and 93.90 ± 8.77 μm; they were significantly different (P = 0.049). The mean pRNFL reduction rate was -0.99 and -0.40 μm/y in the HTN and control groups, respectively; the interaction between group and duration was significant (P < 0.001). In the linear mixed model determination of factors associated with pRNFL reduction, there was no significant factor in the control group. In the HTN group, age, and axial length showed significant results in both univariate and multivariate analyses (estimate: -0.362 and -2.618; P = 0.042 and 0.026, respectively).
CONCLUSIONS: Patients with HTN had a significantly greater decrease in pRNFL than normal individuals. Additionally, age and axial length significantly affected the reduction in pRNFL in HTN patients.
METHODS: Participants without any ophthalmic disease were divided into two groups: an HTN group (50 eyes) that included patients with HTN for ≥5 years and a control group. After the initial visit, pRNFL thicknesses were measured four more times at 1-year intervals using spectral-domain optical coherence tomography. The pRNFL thickness was fitted using linear mixed models. Univariate and multivariate generalized linear mixed models were used to determine factors associated with pRNFL reductions over time.
RESULTS: The mean ages of the HTN and control groups were 62.9 ± 6.2 and 60.7 ± 6.1 years, respectively, and they were not significantly different (P = 0.089). The baseline mean pRNFL thicknesses were 90.50 ± 8.31 and 93.90 ± 8.77 μm; they were significantly different (P = 0.049). The mean pRNFL reduction rate was -0.99 and -0.40 μm/y in the HTN and control groups, respectively; the interaction between group and duration was significant (P < 0.001). In the linear mixed model determination of factors associated with pRNFL reduction, there was no significant factor in the control group. In the HTN group, age, and axial length showed significant results in both univariate and multivariate analyses (estimate: -0.362 and -2.618; P = 0.042 and 0.026, respectively).
CONCLUSIONS: Patients with HTN had a significantly greater decrease in pRNFL than normal individuals. Additionally, age and axial length significantly affected the reduction in pRNFL in HTN patients.