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[The floating knee: a retrospective analysis of 172 cases]
G Piétu1, F Jacquot, J-M Féron
1Clinique chirurgicale traumatologique et orthopédique, Hôtel-Dieu, CHU de Nantes, place Alexis-Ricordeau, 44093 Nantes Cedex 1. guy.pietu@chu-nantes.fr
Revue De Chirurgie Orthopedique Et Reparatrice De L'Appareil Moteur
|December 11, 2007
Summary
This study on 172 floating knee injuries found that older age, type II lesions, distal femur fractures, and open fractures negatively impact outcomes. Intramedullary nailing showed no improved results with a single incision but significantly reduced operating time.
Area of Science:
- Orthopedic Surgery
- Trauma Surgery
- Biomechanics
Context:
- Floating knee injuries are complex orthopedic emergencies.
- This study reviews 172 cases to analyze injury patterns and treatment outcomes.
- A significant proportion of patients were polytraumatized with open fractures.
Purpose:
- To evaluate the characteristics and outcomes of floating knee injuries.
- To identify factors influencing functional outcomes after surgical intervention.
- To assess the effectiveness of intramedullary nailing in treating these injuries.
Summary:
- 71.5% of injuries were Fraser type I; Type II had subgroups A, B, and C. Open fractures occurred in 69.2% of patients, with an average Injury Severity Score of 19.5.
- Intramedullary nailing was the primary fixation for femur (73%) and tibia (54.4%). Mean follow-up was 34.2 months.
- Factors associated with poor functional outcomes included older age, type II lesions, distal femur fractures, and open fractures. Single-incision intramedullary nailing did not improve outcomes but reduced operating time.
Impact:
- Identifies key prognostic factors for poor outcomes in floating knee injuries.
- Provides insights into surgical management strategies and their associated results.
- Highlights the importance of early surgical intervention and appropriate fracture fixation.