Novel Minimal Access Bone Anchored Hearing Implant Surgery and a New Surface Modified Titanium Implant, the Birmingham Experience.

Limbrick, Jack and Muzaffar, Jameel and Kumar, Raghu and Mulvihill, Daniel and Gaskell, Peter and Addison, Owen and Monksfield, Peter and Banga, Rupan (2019) Novel Minimal Access Bone Anchored Hearing Implant Surgery and a New Surface Modified Titanium Implant, the Birmingham Experience. Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology. ISSN 1537-4505.

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Abstract

BACKGROUND

Bone anchored hearing implants (BAHI) are widely used and highly successful, accompanied with a high level of patient satisfaction across most techniques. A large UK teaching hospital switched from the previously used wide diameter titanium fixture and drilling system to the novel minimally invasive technique and laser ablated titanium implant. Before this change the rates of fixture failure and skin problems necessitating abutment change were 1% each.

METHODS

Retrospective case note review of consecutive BAHI patients drawn from an electronic database between January 2015 and October 2016.

RESULTS

Data from a total of 118 procedures were reviewed, with different combinations of surgical techniques and implant types. Sixty procedures were performed via the novel minimally invasive technique with 21 failures (35%). Fourty-eight modified minimally invasive technique procedures were performed with seven failures. In 64 of the procedures, laser ablated titanium fixtures were placed with 21 failures (32.8%). In 54 procedures wide diameter titanium fixtures were placed with eight failures (5%).

CONCLUSION

Initial experience with the novel minimally invasive technique and laser ablated titanium fixture showed significantly higher failure rates than expected. This prompted a change to an open technique and subsequent abandonment of the laser ablated titanium fixture and custom drilling solution in our institution.

Item Type: Article
Subjects: WV Otorhinolaryngology. ENT medicine
Divisions: Ambulatory Care > ENT
Womens and Childrens > Paediatrics
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Depositing User: Mrs Yolande Brookes
Date Deposited: 08 Nov 2019 14:28
Last Modified: 08 Nov 2019 14:28
URI: http://www.repository.uhblibrary.co.uk/id/eprint/2566

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