The Laryngoscope · 2010
Comparison of gentamicin distribution in the inner ear following administration via the endolymphatic sac or round window.
Сравнительное исследованиеСтатьяПоддержка NIH: внешняя программаПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Zhang Yiliang, Zhang Ru, Dai Chunfu, Steyger Peter S, Yu Yongfu
Аннотация
OBJECTIVE/HYPOTHESIS: The distribution of gentamicin in the inner ear via the endolymphatic sac (ES) or round window (RW) routes was investigated.
STUDY DESIGN: Experimental study.
METHODS: A fluorescent gentamicin-Texas Red conjugate (GTTR) was adopted to visualize the gentamicin. Adult guinea pigs were treated with GTTR applied to the ES or RW, the animals were allowed to recover for 3 days, then confocal microscopy was used to observe and quantify GTTR distributions in cochlear and vestibular sensory epithelium.
RESULTS: When GTTR was applied via the ES, strong GTTR labeling was observed in the vestibule while little GTTR was detected in the cochlea (P < .0001). However, distinct GTTR fluorescence was observed in the cochlea and vestibule following RW application (P = .7967). There was less GTTR labeling in cochlea via ES application than through RW administration (P < .0001).
CONCLUSIONS: ES drug application may be preferable for the treatment of intractable Meniere's disease. Laryngoscope, 2010.
STUDY DESIGN: Experimental study.
METHODS: A fluorescent gentamicin-Texas Red conjugate (GTTR) was adopted to visualize the gentamicin. Adult guinea pigs were treated with GTTR applied to the ES or RW, the animals were allowed to recover for 3 days, then confocal microscopy was used to observe and quantify GTTR distributions in cochlear and vestibular sensory epithelium.
RESULTS: When GTTR was applied via the ES, strong GTTR labeling was observed in the vestibule while little GTTR was detected in the cochlea (P < .0001). However, distinct GTTR fluorescence was observed in the cochlea and vestibule following RW application (P = .7967). There was less GTTR labeling in cochlea via ES application than through RW administration (P < .0001).
CONCLUSIONS: ES drug application may be preferable for the treatment of intractable Meniere's disease. Laryngoscope, 2010.