The result indicated that the etiology of presbycusis is cochlea microcirculation handicap, which will induce free radicals cumulation, hair cell loss and cilia changes.

• 这些结果表明，老年性耳聋的主要病理机制可能主要是由于微循环障碍导致大量自由基堆积，毛细胞缺失和纤毛结构改变。