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Related Experiment Videos

Reoperation for failed prosthetic replacement used for limb salvage

D S Shin1, K L Weber, E Y Chao

  • 1Department of Orthopedics, Mayo Clinic, Rochester, Minnesota 55905, USA.

Clinical Orthopaedics and Related Research
|February 12, 1999
PubMed
Summary

Revision surgery for tumor prostheses is common due to long-term survival. Reoperation for failed implants is feasible, effective, and maintains function without compromising survival.

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Area of Science:

  • Orthopedic Surgery
  • Oncology
  • Biomedical Engineering

Background:

  • Segmental bone and joint prostheses are used for limb salvage in tumor patients.
  • Long-term survival necessitates addressing implant longevity and revision needs.

Purpose of the Study:

  • To evaluate the feasibility and effectiveness of reoperation for failed segmental bone and joint prostheses in tumor survivors.
  • To assess functional outcomes and implant survival rates after revision surgery.

Main Methods:

  • Retrospective review of 208 custom prosthetic replacements performed between 1970 and 1990.
  • Analysis of reoperation procedures, timing, and outcomes in 52 patients.
  • Functional assessment using the Musculoskeletal Tumor Society (MSTS) scoring system.

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Main Results:

  • 52 patients (25%) required reoperation at a mean of 37 months post-initial surgery.
  • Prosthetic revision was the most common reoperation (35 patients).
  • Implant survival rates were 79% at 5 years and 65% at 10 years for revised prostheses.
  • Reoperations for tumor recurrence or infection often led to amputation.
  • Functional outcomes remained comparable to pre-reoperation levels.

Conclusions:

  • Reoperation for failed bone and joint tumor prostheses is a viable option.
  • Revision surgery can be performed without compromising long-term implant or patient survival.
  • Functional results are generally maintained post-revision, supporting its effectiveness.