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Knee Arthrodesis Using the Masquelet Technique for Postoperative Uncontrolled Infection and Extensor
Kengo Abe1, Minoru Takasaki2, Shingo Fukagawa1
1Department of Orthopaedic Surgery, National Health Organization (NHO) Kokura Medical Center, Kitakyushu, JPN.
Cureus
|July 21, 2025
Summary
A challenging case of deep infection and patellar fracture after total knee arthroplasty (TKA) was successfully treated with knee arthrodesis using the Masquelet technique. This method achieved bone union and controlled infection, enabling limited ambulation.
Area of Science:
- Orthopedic Surgery
- Infectious Disease Management
Background:
- Total knee arthroplasty (TKA) is a common procedure with good outcomes, but postoperative deep infections present significant challenges.
- Complications such as patellar fracture and extensor mechanism deficiency following TKA can be difficult to manage.
Observation:
- A 55-year-old woman developed a patellar fracture and deep infection after TKA, complicated by loss of the extensor mechanism.
- Multiple surgical interventions were required, highlighting the complexity of the case.
Findings:
- Knee arthrodesis using the Masquelet technique with bilateral plates was performed.
- The procedure resulted in successful bone union and effective control of the deep infection.
- The patient regained the ability to walk short distances despite a leg length discrepancy.
Implications:
- The Masquelet technique is a viable option for managing severe postoperative infections after TKA, particularly when associated with bone defects and extensor mechanism loss.
- This approach facilitates infection control, promotes bone regeneration, and addresses extensor mechanism deficiency.
- Successful management can lead to improved functional outcomes, even in complex cases.
