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Managing the Patella in Revision Knee Surgery.

Jesus M Villa, Derek F Amanatullah, Erik Nathan Hansen

Instructional Course Lectures

|November 25, 2025

Summary

Orthopaedic surgeons must weigh the benefits and risks of patellar resurfacing in revision total knee arthroplasty. Understanding indications, complications, and surgical options is crucial for managing patellar bone loss.

Area of Science:

Orthopaedic Surgery
Biomedical Engineering

Background:

Revision total knee arthroplasty (TKA) presents unique challenges, particularly concerning the patella.
Decisions regarding patellar management impact functional outcomes and revision success.

Purpose of the Study:

To outline the critical considerations for patellar resurfacing during revision TKA.
To review indications, risk factors, and potential complications of patellar resurfacing.
To discuss surgical strategies for extensor mechanism reconstruction and management of patellar bone loss.

Main Methods:

Literature review of existing studies on patellar resurfacing in revision TKA.
Analysis of surgical techniques for patellar reconstruction and bone defect management.
Synthesis of current evidence on outcomes and complications.

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Main Results:

Indications for patellar resurfacing in revision TKA are multifactorial.
Potential complications include instability, wear, and infection.
Various surgical options exist for addressing patellar bone loss and extensor mechanism deficiencies.

Conclusions:

Informed decision-making regarding patellar resurfacing requires a thorough understanding of its associated risks and benefits.
Tailored surgical approaches are necessary for optimal management of complex patellar issues in revision TKA.
Further research is needed to refine indications and optimize outcomes for patellar management in revision TKA.