Caloric test and video head impulse test sensitivity as vestibular impairment predictors before cochlear implant surgery.

Objectives: Currently, cochlear implant procedures are becoming increasingly broad and have greatly expanded. Bilateral cochlear implants and cochlear implants are more frequently applied in children. Our hypothesis is that the video head impulse test may be more sensitive than the caloric test in detecting abnormal vestibular function before cochlear implant surgery.

Video head impulse test relevance in the early postoperative period after cochlear implantation.

Background: Cochlear implantation (CI) is the gold standard therapy for profound or severe sensorineural hearing loss. It is a safe surgical procedure but, because of the proximity of the cochlea and vestibule, postoperative vestibular disorder may occur. Our hypothesis is that the video head impulse test (vHIT) may be a good tool to achieve a topographic diagnosis of dizziness in the early postoperative period after CI.

Preoperative vestibular assessment protocol of cochlear implant surgery: an analytical descriptive study.

Introduction: Cochlear implants are undeniably an effective method for the recovery of hearing function in patients with hearing loss.

Objective: To describe the preoperative vestibular assessment protocol in subjects who will be submitted to cochlear implants.

Methods: Our institutional protocol provides the vestibular diagnosis through six simple tests: Romberg and Fukuda tests, assessment for spontaneous nystagmus, Head Impulse Test, evaluation for Head Shaking Nystagmus and caloric test.