Table 1. Indications, Contraindications, and Complications of an Auditory Brainstem Implant^2,4

Indications	Contraindications	Complications
Approved by the FDA Age ≥12 years with neurofibromatosis type 2 Non-approved indications under clinical study Postmeningitis ossification of both cochleae Otosclerosis Cochlear trauma Cochlear nerve disruption Cochlear nerve aplasia Cochlear malformation Auditory neuropathy (idiopathic and caused by bony entrapment)	Central cause of deafness Brainstem deformity Significant medical co-morbidities Low life expectancy Severe developmental delay	Cerebrospinal fluid leak Meningitis Cerebellar contusion and hemorrhage Permanent facial palsy Facial nerve palsy Lower cranial nerve injury Hydrocephalus Cerebellar edema Wound infection Temporary dysphonia Transient facial palsy Balance issues Tinnitus Headache Device failure