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Establishing a Consensus Definition of a Knee Fracture-Dislocation (Schenck Knee Dislocation V) Using a Global
Michael J Medvecky1, Joseph B Kahan1, Dustin L Richter2
1Department of Orthopaedics and Rehabilitation, Yale School of Medicine, New Haven, Connecticut.
The Journal of Bone and Joint Surgery. American Volume
|June 23, 2023
Summary
This study defines specific fracture patterns for the Schenck Knee Dislocation (KD) V subcategory using surgeon consensus. It clarifies complex knee injuries for better classification and treatment.
Area of Science:
- Orthopedic surgery
- Traumatology
- Biomechanics
Background:
- Knee fracture-dislocations are complex injuries lacking a clear definition within the Schenck Knee Dislocation (KD) V subcategory.
- Establishing a precise definition is crucial for accurate diagnosis and treatment planning.
Purpose of the Study:
- To establish a universally accepted, precise definition for fracture patterns within the Schenck KD V subcategory.
- To improve the classification of complex knee injuries.
Main Methods:
- A modified Delphi technique was employed with 46 international surgeons specializing in multiligamentous knee injuries.
- Three rounds of online surveys were conducted to achieve consensus on fracture pattern inclusion/exclusion.
- Consensus was defined as ≥70% agreement.
Main Results:
- Eleven specific fracture patterns were agreed upon for inclusion in the Schenck KD V subcategory.
- These include various femur, tibial plateau, tibial tubercle, and patellar fractures.
- Fourteen fracture patterns were excluded, and two failed to reach consensus.
Conclusions:
- The study successfully established a consensus-based definition for the Schenck KD V subcategory using the Delphi technique.
- This provides a more precise framework for classifying knee fracture-dislocations.
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