突发性耳聋(sudden hearing loss,SHL)即突然发生的原因不明的感音神经性聋,其病因不明,发病机制复杂。主要表现为听力在瞬间、几小时或几天内突然下降,耳聋或轻或重,重者全聋,多为单侧。青年及中老年均可发病,在飞行人员中也时有报道。该病治疗疗效不十分理想,有一定自限性,临床上常予以扩血管、激素及营养神经类药 Sudden hearing loss (sudden hearing loss, SHL) that sudden unexplained sensorineural deafness, its etiology is unknown, the pathogenesis is complicated. Mainly for the hearing in an instant, a few hours or days suddenly dropped, deaf or light or heavy, severe deafness, mostly unilateral. Young and middle-aged can be sick, also reported in the flight crew. The treatment of disease is not very satisfactory, there is a certain self-limiting, often clinically to vasodilators, hormones and neurotrophic drugs