Retinal nerve fibre layer/ganglion cell-inner plexiform layer thickness ratio in patients with systemic hypertension
- Lee, Woo Hyuk; Lee, Min-Woo; Lim, Hyung-Bin; Kim, Min-Su; Ryu, Cheon Kuk; Han, Yong-Seop; Kim, Jung-Yeul
- Issue Date
- ganglion cell& #8208; inner plexiform layer; hypertension; optical coherence tomography; retinal nerve fibre layer
- ACTA OPHTHALMOLOGICA, v.100, no.1, pp.E150 - E156
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- ACTA OPHTHALMOLOGICA
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- Purpose Acute and chronic hypertension may have different pathophysiological mechanisms in the retina. Here, we compared the retinal nerve fibre layer (RNFL)/ganglion cell-inner plexiform layer (GC-IPL) thickness ratios of patients with 'relieved' severe hypertensive retinopathy (relieved HTNR) and chronic hypertension without retinopathy (chronic HTN) to those of normal controls. Methods We performed cross-sectional study. The eyes were divided into the following groups: normal controls (Group A, age >= 50 years; Group D, age <50 years); chronic HTN (Group B, <10 years of HTN; TNHT; Group C, >= 10 years of HTN); and relieved HTNR (previously diagnosed with grade IV HTNR and relieved retinopathy for >1 year; Group E), and the RNFL/GC-IPL thickness ratio was compared among Groups A-C and between Groups D and E. Results A total of 379 eyes were included in this study. Groups A-E consisted of 145, 59, 63, 60 and 52 eyes, respectively. The RNFL/GC-IPL thickness ratios were 1.161 +/- 0.093, 1.158 +/- 0.082 and 1.162 +/- 0.089 in groups A-C, respectively, and did not showed a statistically difference (p = 0.966). The RNFL/GC-IPL thickness ratio of groups D and E were 1.169 +/- 0.080 and 1.221 +/- 0.080, respectively, and showed a statistically difference (p = 0.001). Conclusions The RNFL/GC-IPL thickness ratios of the chronic HTN group did not show a difference compared with the normal controls. However, relieved HTNR patients showed a higher ratio than the normal controls. Physicians should be aware that acute hypertensive injury could affect the RNFL/GC-IPL thickness ratio.
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- College of Medicine > Department of Medicine > Journal Articles
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