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Adolescent total knee arthroplasty.

John R Martin1, Alan K Sutak1, Todd A Milbrandt1

  • 1Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA.

Arthroplasty Today
|July 12, 2017
PubMed
Summary
This summary is machine-generated.

Total knee arthroplasty (TKA) in patients aged 20 or younger showed 94% implant survivorship at 10 years. While risks exist, TKA can offer pain relief and good outcomes for adolescents with end-stage arthritis.

Keywords:
Adolescent orthopedicsArthritisTotal knee arthroplasty

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Area of Science:

  • Orthopedic Surgery
  • Pediatric Orthopedics
  • Arthroplasty

Background:

  • Adolescent end-stage arthritis management is challenging.
  • Nonoperative treatments are often ineffective.
  • Limited long-term data exists for total knee arthroplasty (TKA) in this age group.

Purpose of the Study:

  • To describe outcomes of TKA in patients aged 20 years and younger.
  • To evaluate implant survivorship in pediatric TKA patients.

Main Methods:

  • Retrospective review of the institutional Joint Registry.
  • Identified 19 patients (29 TKAs) aged 14-20 years undergoing primary TKA.
  • Average follow-up was 14.5 years.

Main Results:

  • Preoperative diagnoses included juvenile idiopathic arthritis, avascular necrosis, sepsis, trauma, dysplasia, and hemophilia.
  • Implant survivorship was 96% at 5 years and 94% at 10 years.
  • A decrease in TKAs for inflammatory arthritis was observed over decades.

Conclusions:

  • Standard TKA components achieved 95% 10-year implant survivorship in pediatric patients.
  • TKA in adolescents carries risks like infection and bone loss.
  • TKA may provide pain relief and good long-term results but requires cautious application.