Hyunwoong Kim_SCIENTIFIC POSTER 2015

Objectives:

To investigate clinical features according to the diurnal blood pressure variation in branch retinal vein occlusion (BRVO) using 24-hour ambulatory blood pressure monitoring (24-hour ABPM).

Methods:

24-hour ABPM was performed in patients with BRVO. The non-dipper was defined as a nocturnal systolic blood pressure (SBP) decrease less than 10%. Retinal vein occlusion site in fluorescein angiography was identified and correlation of best corrected visual acuity( BCVA) and central macular thickness with diurnal blood pressure variation were analyzed at initial visit and 3,6 month follow up.

Results:

A total 74 eyes of 73 patients with BRVO were included. Forty three patients were the non-dipper and thirty patients were the dipper. The rate of diagnosis for actual hypertension using 24-hour ABPM is 79.09% in non-dipper group and 47.67% in dipper group. The non-dipper group had a tendency for higher branch retinal vein occlusion site than the dipper group(p=0.039). There were no statistically significant differences in the mean BCVA(LogMAR) and mean central macular thickness at initial, 3 and 6 month visit between non-dipper and dipper group.

Conclusion:

Higher rate of non-dipper was showed in BRVO patients, respectively. The non-dipper group had a tendency for higher branch retinal vein occlusion site than the dipper group. Diurnal blood pressure variation did not relate with macular thickness and visual acuity in BRVO.

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