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Floating knee injuries: postoperative complications and outcome
Khawar Shahzad1, Rana Dawood Ahmad Khan1, Ajmal Yasin1
1Department of Orthopedic Surgery, Allied Hospital, Punjab Medical College, Faisalabad.
JPMA. the Journal of the Pakistan Medical Association
|February 16, 2016
Summary
This study evaluated floating knee injuries, finding that implant choice, fracture characteristics, and injury type significantly impact post-operative complications and functional outcomes. Proper classification and treatment are key for better results.
Area of Science:
- Orthopedic Surgery
- Trauma Management
Background:
- Floating knee injuries are complex polytrauma with significant morbidity.
- Optimal management strategies require careful consideration of fracture patterns and associated injuries.
Purpose of the Study:
- To assess post-operative complications and functional outcomes in floating knee injuries.
- To correlate outcomes with injury classification and treatment methods.
Main Methods:
- Prospective randomized study of 65 patients with floating knee injuries.
- Fracture classification using Fraser classification; treatment varied based on fracture type.
- Outcomes evaluated using Karlstrom's criteria at 1, 2, 3, and 6 months postoperatively.
Main Results:
- Majority of injuries (70.8%) were Fraser type I, often from motorbike accidents.
- High rates of non-union (12.3%), stiffness (32.3%), and infection (femur 16.9%, tibia 20%) were observed.
- Excellent or Good outcomes achieved in 65.2% of patients.
Conclusions:
- Functional outcomes are influenced by implant selection, fracture comminution, articular involvement, and open vs. closed nature.
- Adherence to classification-guided treatment can minimize complications and improve results.
