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Related Experiment Videos

[Pelvic bone defects in alloarthroplasty].

K Otto1, G W Baars, E Nieder

  • 1Endo-Klinik, Hamburg.

Der Orthopade
|August 1, 1987
PubMed
Summary

Acetabular bone loss complicates artificial cup fixation. Treatment strategies for acetabular defects depend on biomechanical, bacteriological, and patient factors, with bony reconstruction for aseptic cases and antibiotic cement for septic cases.

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Area of Science:

  • Orthopedic Surgery
  • Biomaterials Science
  • Reconstructive Surgery

Context:

  • Significant acetabular bone loss presents challenges for total hip replacement (THR) fixation.
  • Causes include revision THR, acetabular tumor resection, and trauma.
  • Treatment decisions hinge on defect biomechanics, infection status, and patient condition.

Purpose:

  • To outline treatment strategies for acetabular bone defects.
  • To present methods for achieving stable fixation in compromised acetabular bone.
  • To discuss reconstructive options for severe bone loss.

Summary:

  • Aseptic acetabular defects are addressed with bony reconstruction using homografts, with approximately 1000 procedures performed between 1982-1986.
  • Septic defects utilize antibiotic-loaded acrylic cement and screws.
  • For extreme bone destruction, the saddle prosthesis is an alternative, used in 76 cases (1979-1984).
  • Other options include resection arthroplasty, arthrodesis, and partial pelvic replacement.

Impact:

  • Provides a framework for managing complex acetabular bone loss.
  • Highlights the efficacy of homografts and antibiotic cement in specific scenarios.
  • Offers the saddle prosthesis as a viable option for severe acetabular destruction.

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