Electroretinographic Assessments of Macular Function after Brilliant Blue G Staining for Inner Limiting Membrane Peeling

被引:0
作者
Terauchi, Gaku [1 ]
Shinoda, Kei [1 ,2 ]
Yagura, Kazuma [1 ]
Kawashima, Makoto [1 ]
Matsumoto, Soiti Celso [1 ,3 ]
Mizota, Atsushi [1 ]
Miyake, Yozo [4 ]
机构
[1] Teikyo Univ, Sch Med, Tokyo 1738606, Japan
[2] Saitama Med Univ, Fac Med, Saitama 3500495, Japan
[3] Matsumoto Eye Clin, Tokushima 7711705, Japan
[4] Kobe Eye Ctr Next Vis, Kobe 6500047, Japan
关键词
brilliant blue G; electroretinogram; epiretinal membrane; inner limiting membrane; macular hole; vitrectomy; INDOCYANINE GREEN; TRIAMCINOLONE ACETONIDE; INTRAVITREAL TRIAMCINOLONE; HOLE; TEMPERATURE; TOXICITY; SURGERY; EYES; VISUALIZATION; VITRECTOMY;
D O I
10.3390/jcm11216404
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Purpose: The purpose of this study was to determine the effect of brilliant blue G (BBG) staining of the inner limiting membrane (ILM) on macular function. Method: Fourteen eyes of 14 patients consisting of 9 men and 5 women who underwent vitreous surgery with ILM peeling were studied. The mean age of the patients was 68.8 +/- 9.14 years. Three eyes had a macular hole and eleven eyes had an epiretinal membrane. The ILM was made more visible by spraying 0.25% BBG into the vitreous cavity. The macular function was assessed by recording intraoperative focal macular electroretinograms (iFMERGs) before and after the intravitreal spraying of the BBG dye. The iFMERGs were recorded three times after core vitrectomy. The first recording was performed before the BBG injection (Phase 1, baseline), the second recording was performed after the spraying of the BBG and washing out the excess BBG (Phase 2), and the third recording was performed after the ILM peeling (Phase 3). All recordings were performed after 5 min of light-adaptation and stabilization of the intraocular conditions. The iFMERGs were recorded twice at each phase. The implicit times and amplitudes of the a- and b-wave, the PhNR, and the d-wave were measured. Wilcoxon signed-rank test were used to determine the significance of differences of the findings at Phase 2 vs. Phase 1 and Phase 3 vs. Phase 1. A p value < 0.05 was taken to be statistically significant. Results: The average implicit times of the a-wave, b-wave, PhNR, and d-wave were not significantly different in Phase 1, 2, and 3. The average a-wave, b-wave, PhNR, and d-wave amplitudes at Phase 1 did not differ significantly from that at Phase 2 and at Phase 3. Conclusions: The results indicated that the intravitreal injection of BBG does not alter the physiology of the macula, and we conclude that BBG is safe. We also conclude that iFMERGs can be used to monitor the macular function safely during intraocular surgery.
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页数:9
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