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MINERVA ORTOPEDICA E TRAUMATOLOGICA
A Journal on Orthopedics and Traumatology
HIP AND KNEE RECONSTRUCTION
Minerva Ortopedica e Traumatologica 2009 June;60(3):241-7
Minimally-invasive total knee arthroplasty
Parratte S., Garcia Parra C., Aubaniac J.-M., Argenson J.-N.
Center for Arthritis Surgery Sainte Marguerite Hospital University of the Mediterranee, Marseille, France
Minimally invasive surgery in total knee arthroplasty, as for unicompartmental knee arthroplasty, has been developed based on the hypothesis that minimizing the surgical trauma on the soft tissue and the extensor mechanism may reduce the discharge period and improve the functional recovery, without compromising implant positioning. When the indication of primary unconstrained prosthesis has been decided, there is no real contraindication, however using this approach for revision or obese patients is not recommended. A shorter skin incision is performed, but the attitude toward the quadriceps tendon and the absence of patellar eversion are the most important points to define the approach as mini-invasive. Several mini-invasive techniques have been described according to the type of quadricipital incision: parapatellar, midvastus or subvastus approach. The first clinical results tend to show faster recovery related to the less invasive approach without compromising implant position.