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Rotational acetabular osteotomy using biodegradable internal fixation.

S Nakamura1, Y Takatori, S Morimoto

  • 1Department of Orthopaedic Surgery, Faculty of Medicine, The University of Tokyo, Tokyo, Japan. nakamura@med.teikyo-u.ac.jp

International Orthopaedics
|September 15, 1999
PubMed
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Biodegradable poly-L-lactide screws in rotational acetabular osteotomy showed a low complication rate. Further investigation into local dermatitis incidence with biodegradable implants is recommended.

Area of Science:

  • Orthopedic Surgery
  • Biomaterials Science

Background:

  • Rotational acetabular osteotomy is a surgical procedure used to correct hip dysplasia.
  • Biodegradable implants offer potential advantages over traditional metallic hardware, such as avoiding the need for a second surgery for removal.

Purpose of the Study:

  • To evaluate the safety and complication profile of biodegradable poly-L-lactide screws used in rotational acetabular osteotomy.
  • To assess the long-term outcomes and identify potential adverse events associated with these implants.

Main Methods:

  • A prospective study involving 41 patients (41 hips) who underwent rotational acetabular osteotomy using biodegradable poly-L-lactide screws.
  • Patients were followed for an average of 4.9 years to monitor for complications.
  • Complications such as infection, thrombophlebitis, and dermatitis were recorded and analyzed.

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Main Results:

  • A low overall complication rate was observed.
  • Two patients developed small subcutaneous abscesses around non-absorbable sutures, which resolved after suture removal.
  • One case of thrombophlebitis resolved with aspirin, and one case of local dermatitis was treated successfully with steroid therapy.

Conclusions:

  • Biodegradable poly-L-lactide screws appear to be a safe option for rotational acetabular osteotomy with a manageable complication profile.
  • The incidence of local dermatitis following the use of biodegradable implants warrants further investigation.