Peri-implant bony overgrowth as a cause of revision surgery in auditory osseointegrated implantation

Publication date: July 2016
Source:International Journal of Pediatric Otorhinolaryngology, Volume 86
Author(s): Jared J. Tompkins, Dana K. Petersen, Daniel D. Sharbel, Brian J. McKinnon, C. Bruce MacDonald
Implantation of auditory osseointegrated implants, also known as bone-anchored hearing systems (BAHS), represents a surgical option for select pediatric patients aged 5 years or older with hearing loss. Functional indications in this patient population include conductive or mixed hearing loss. Common complications of implantation include skin infections, chronic skin irritation, hypertrophic skin overgrowth, and loose abutments. In a case series of 15 pediatric patients, we discovered an unexpectedly high skin-related complication rate requiring surgical revision of 53%. During revision surgery, we discovered 5 patients who exhibited significant bony overgrowth at the abutment site, a complication infrequently noted in past literature.



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