Injuries to the posterolateral corner of the knee continue to be a complex problem for orthopedic surgeons. Early recognition and treatment are important factors in the patient's long-term outcome. To properly treat these patients, the surgeon must have a clear understanding of the anatomic relationships amongst the structures in the posterolateral knee. This knowledge combined with a thorough physical examination and imaging studies, allows the surgeon to make the correct diagnosis and devise an appropriate treatment plan. This article will discuss the anatomy, diagnosis, and treatment options to improve the surgeon's understanding of posterolateral knee injuries. The senior author's technique for anatomic reconstruction of the posterolateral corner of the knee and the rehabilitation protocol are described.
The use of femoral nails inserted in an unreamed manner in this series produced healing rates comparable with historic standards using reamed insertion. Smaller diameter nails inserted without reaming did not compromise fracture management and produced no increase in complication rates. The causes for delayed union or nonunion appear to be multifactorial, and secondary procedures should be considered if fractures have demonstrated little or no healing by three months.
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