A tutorial on implantable hearing amplification options for adults with unilateral microtia and atresia.

Background: Patients with unilateral atresia and microtia encounter problems in sound localization and speech understanding in noise. Although there are four implantable hearing devices available, there is little discussion and evidence on the application of these devices on patients with unilateral atresia and microtia problems.

Objective: This paper will review the details of these four implantable hearing devices for the treatment of unilateral atresia.

Outcome of vibrant soundbridge middle ear implant in cantonese-speaking mixed hearing loss adults.

Objectives: To investigate the aided benefits, speech recognition in quiet and in noise, change in hearing and subjective report of satisfaction on mixed hearing loss adults implanted with Vibrant Soundbridge (VSB) middle ear implant.

Methods: Eight Cantonese speaking adult patients with mixed hearing loss were enrolled in a single-subject, repeated measures prospective study design. Audiometric testing, including air and bone conduction and word recognition under sound-field were conducted before surgery.