[Clinical analysis of idiopathic sudden sensorineural hearing loss with vertigo].

ISSHL with vertigo group lost hearing more severely than ISSHL without vertigo group. Also, the improvement of hearing and the effective after treatment were really poor. The symptoms of ISSHL with BPPV group improved and eased significantly than that of ISSHL without BPPV group. The major of BPPV secondary to the ISSHL occurs in the posterior semicircular canal. The canalith repositioning is an effective therapy to the secondary BPPV.