J Korean Ophthalmol Soc > Volume 51(11); 2010 > Article
Journal of the Korean Ophthalmological Society 2010;51(11):1471-1478.
DOI: https://doi.org/10.3341/jkos.2010.51.11.1471    Published online November 15, 2010.
Correlation Between Nocturnal Dip and Progression of Glaucoma.
Hong Ryung Seo, Won Yeol Ryu, Sae Heun Rho
Department of Ophthalmology, Dong-A University College of Medicine, Pusan, Korea. shrho@donga.ac.kr
야간혈압하강이 녹내장의 진행에 미치는 영향
Department of Ophthalmology, Dong-A University College of Medicine, Pusan, Korea
To investigate the effect of nocturnal dip influence on the progression of glaucomatous visual field defect. METHODS: We performed 24hr ABPM and V/F tests on patients diagnosed with NTG (140 patients, 280 eyes) and POAG (84 patients, 168 eyes). Nocturnal dips below 10% were classified as non-dippers, and those above 10% were noted as dippers. The correlations among nocturnal dip, progression of glaucomatous visual field defect, and hypertension treatment were examined. RESULTS: In NTG, dippers in both systolic and diastolic blood pressure furthered glaucomatous visual field defects, with a relative risk of approximately three times that of non-dippers. Hypertension treatment was not influenced by the progression of glaucomatous visual field defect but was influenced by dips in the systolic and diastolic pressures in NTG and in diastolic pressure in POAG. Nocturnal dips were more frequent in the group with progression of the visual field compared to those in the group with non-progression of the visual field in NTG. CONCLUSIONS: Dipper caused a progression of glaucomatous visual field defects in NTG and was influenced by hypertension treatment in NTG and POAG. Performing 24hr ABPM should be helpful for glaucoma patients with progression of a glaucomatous visual field defect even when the IOP is less than the target pressure. In addition, hypertension treatment should be considered an important factor in the treatment of glaucoma.
Key Words: Dipper;Hypertension treatment;Nocturnal dip;Progression of visual field defect;24-hour blood pressure monitoring

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