感音神经性聋是耳鼻咽喉科常见病、多发病之一,其发病机制目前尚未完全明确,因其可能的致病因素和临床表现复杂多样,使得该病仍无确切的治疗方法,目前的治疗仍以全身给药为主。由于血-迷路屏障的存在,许多药物的吸收与分布受到限制,治疗效果既不确切也不理想。为达到内耳组织间 Sensorineural deafness is one of the common and frequently occurring diseases of otorhinolaryngology. The pathogenesis of it is not yet fully understood. Due to the complexity and variety of possible causative factors and clinical manifestations, there is still no definite treatment for this disease. At present, Treatment is still systemic. Because of the blood-labyrinth barrier, the absorption and distribution of many drugs are limited and the therapeutic effect is neither exact nor ideal. To reach the inner ear tissue