A Comparative Review of Osseointegration Failure Between Osseointegrated Bone Conduction Device Models in Pediatric Patients

Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology
Kurt L NelsonJohn L Dornhoffer

Abstract

Compare rates of osseointegration failure (OIF) between system 2 (200 series) and system 3 (BI300) osseointegrated bone conduction device (OCBD) models. Case series with chart review. Tertiary referral center. Pediatric patients who were implanted with either system 2 or system 3 OCBD between May 2009 and July 2014 at Arkansas Children's Hospital. Implantation with either system 2 or system 3 OCBD using 3- and 4-mm implants with 5.5- and 8.5-mm abutments (system 2) or 6- and 9-mm abutments (system 3). OIF with resulting loss of flange-fixture. OIF occurred in 28.6% (14/49) of implanted fixtures in system 2 compared with 8.0% (2/25) of implanted fixtures in system 3 (p = 0.042). The average time to complication for system 2 was 13 months compared with 3 months for system 3. The causes of OIF in system 2 were trauma (n = 4), chronic soft tissue disease (n = 5), or idiopathic in nature (n = 5). System 3 failures were both because of trauma. Using the combined cohorts, the average age of patients who experienced OIF was 8.7 years, compared with 11.4 years in patients without OIF (p = 0.047). There was no difference in OIF among 3-mm and 4-mm screws (p = 0.876), linear and flap technique (p = 0.375), or surgeons (p = 0.211). System ...Continue Reading

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Citations

Jan 13, 2017·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·Michael E KubalaJohn L Dornhoffer
Jun 19, 2018·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·Scott ShapiroAdam Cassis
Oct 12, 2018·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·Aren BezdjianSam J Daniel
Jul 30, 2019·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·Patricia L PurcellSharon L Cushing
Jan 14, 2020·Clinical and Experimental Otorhinolaryngology·Soyeon KimIl Joon Moon

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