The concentrations of drug in perilimph after otocyst was infused with MTH were higher than those of after niche was placed with granule gelfoam soaked with MTH in every hour,and there were significant differences in between except those in 4 and 6 h.

• 在取材的每个时间点,鼓室内灌注给药后外淋巴液中的甲泼尼龙浓度均高于明胶海绵圆窗给药者,除4、6 h外,两者相比差异有统计学意义。