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Efficacy of the active middle-ear implant in patients with sensorineural hearing loss
C L Butler1, P Thavaneswaran, I H Lee
1Australian Safety and Efficacy Register of New Interventional Procedures - Surgical, Royal Australasian College of Surgeons, Adelaide, South Australia, Australia.
Introduction:
This systematic review aims to advise on the effectiveness of the active middle-ear implant in patients with sensorineural hearing loss, compared with external hearing aids.
Methods:
A systematic search of several electronic databases, including PubMed and Embase, was used to identify relevant studies for inclusion.
Results:
Fourteen comparative studies were included. Nine studies reported on the primary outcome of functional gain: one found that the middle-ear implant was significantly better than external hearing aids (p < 0.001), while another found that external hearing aids were generally significantly better than middle-ear implants (p < 0.05). Six of the seven remaining studies found that middle-ear implants were better than external hearing aids, although generally no clinically significant difference (i.e. ≥ 10 dB) was seen.
Conclusion:
Generally, the active middle-ear implant appears to be as effective as the external hearing aid in improving hearing outcomes in patients with sensorineural hearing loss.
