Distal Femoral Osteotomy

Several authors have identified a postoperative HKA of three–5° valgus or a mechanical axis at sixty two–sixty six% of the tibial width as optimum in medial OA . Recently studies contemplate the extent of medial chondromalacia and carry out an individually adjusted correction with a extra average focused vary of valgus (HKA 1.7–5° or 50–sixty five% of the whole tibial plateau width), whereas avoiding overcorrection . A knee joint arthroscopy is recommended in the same session, for addressing intraoperative pathologies and fantastic-tuning of correction, depending on the kind and extent of intraarticular injury .

Through applicable indication and affected person selection, both kinds of valgisation osteotomies close to the knee joint can provide improvements in clinical operate, pain level and quality of life. These joint-preserving interventions thus characterize a valuable therapy option in varus deformities. Varus deformities of the knee are regularly corrected by osteotomies, which must be performed at the degree of origin. But in contrast to excessive tibial osteotomies , little data exists for distal femoral osteotomies . An Osteotomy is a controlled surgical break or fracture of the bone to permit realignment of the limb.

Dfo (distal Femoral Osteotomy)

In the case of lateral compartment osteoarthritis we carry out an osteotomy in the femur to realign the knock knee to being more straight or even slightly bow legged. Patients with lateral compartment arthritis often complain of ache and stiffness around the knee. They typically level to the outer side of the knee as the primary focus of their ache. The knee can swell up particularly after strenuous activity and a few patients will observe grinding or locking of their knee. Depending upon the degree of severity of the symptoms they may have problem doing their usual sporting activities similar to operating, or strolling as far as regular. In common, patients who wish to remain comparatively high impression, especially laborers or patients who’re still pretty energetic, or in younger sufferers, a distal femoral osteotomy can be most well-liked over a complete knee substitute.

• The approach offered on this article supplies a safe, reproducible technique to perform the medial closing-wedge DFO.
• Corticocancellous wedges are harvested from the femoral neck portion of an allograft femoral head and positioned into the osteotomy website according to the preoperative plan.
• Among them, Salter-Harris sort II is the most typical, making up about half of progress plate fractures, whereas varieties IV and V are uncommon, accounting for just a few percent .
• The diaphyseal midline was marked with an electrocautery and a Codman pen to avoid angular deviation during the stabilization of the plaque.

Bone fusion is achieved and %MA is 48.5% from the medial fringe of the tibial plateau. Severe valgus deformity is famous with an FTA of one hundred sixty degrees and a %MA of a hundred% from the medial fringe of the tibial plateau. Limitations of this examine are the heterogeneous research population and the low case quantity for femoral and tibial osteotomies. The anticipated number of instances within this cohort and the mean values and standard deviations in accuracy and scientific outcome parameters in earlier studies were too small for a potential energy analysis. Additionally, long-term information about scientific perform or survival charges is missing. Several authors report an improvement of clinical scores for up to 5 years postoperatively after HTO.

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