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Related Experiment Videos

Infected total knee arthroplasty treated with arthrodesis using a modular nail.

B J Waldman1, M A Mont, K R Payman

  • 1Johns Hopkins University School of Medicine, Department of Orthopaedic Surgery, Baltimore, Maryland, USA.

Clinical Orthopaedics and Related Research
|November 5, 1999
PubMed
Summary

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Intramedullary arthrodesis using a titanium nail offers a reliable solution for infected total knee replacements. This method achieved a 95% fusion rate with fewer complications than traditional techniques.

Area of Science:

  • Orthopedic Surgery
  • Infectious Disease Management
  • Biomaterials in Orthopedics

Background:

  • Infected total knee arthroplasty (TKA) presents limited surgical options, often leading to challenging knee arthrodesis.
  • Traditional arthrodesis methods carry risks of nonunion, malunion, and recurrent infection.

Purpose of the Study:

  • To evaluate the efficacy of a modular titanium intramedullary nail for knee arthrodesis after infected TKA.
  • To compare complication rates with conventional arthrodesis techniques.

Main Methods:

  • Retrospective review of 21 patients undergoing knee arthrodesis with a coupled titanium nail post-infected TKA.
  • Follow-up averaged 2.4 years, assessing fusion rates and complications.

Main Results:

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  • A 95% solid arthrodesis rate (20/21 patients) was achieved without further intervention.
  • Mean time to fusion was 6.3 months; one nonunion was successfully treated with bone grafting.
  • The intramedullary nail demonstrated a high fusion rate and reduced complications compared to historical methods.

Conclusions:

  • Intramedullary arthrodesis with a coupled titanium nail is a reliable and effective treatment for infected TKA.
  • This technique offers a favorable alternative, improving fusion success and minimizing complications.