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Osseointegrated implants in children: experience from our first 100 patients
G Granström1, K Bergström, M Odersjö
1Department of Otolaryngology, Head and Neck Surgery, Göteborg University, Sweden. gosta.granstrom@orlss.gu.se
Summary
Osseointegrated implants are effective for children, with lower failure rates than adults. However, young patients may require more revision surgeries due to bone growth.
Area of Science:
- Otolaryngology
- Pediatric Surgery
- Biomaterials Engineering
Background:
- Osseointegrated implants are used for hearing aids and prostheses in children.
- Indications include bilateral ear malformations, necessitating specialized surgical approaches.
Observation:
- Surgery is typically a two-stage procedure with a 3-4 month healing interval.
- Average bone thickness was 2.5 mm; 12 patients required bone augmentation.
- 39% of implants were placed near critical structures like the dura or air cells.
Findings:
- Implant failure rate was 5.8% (170 fixtures); skin reactions occurred in 9.1% over 21 years.
- Revision surgery was needed in 22% of patients due to temporal bone appositional growth.
- Implant failure is lower in children, skin reactions are similar to adults, but revisions are more common.
Implications:
- Osseointegration offers good functional and aesthetic outcomes in pediatric patients.
- Careful patient selection and surgical planning are crucial for success.
- Further research into managing bone growth in pediatric osseointegration is warranted.
