Distal Femoral Osteotomy Plate

No obvious ligament injury or fracture was famous on MRI and physical examination. However, he gradually became aware of the valgus deformity of the best knee. Finally, he couldn’t participate in a sports exercise due to proper knee ache. X-ray photographs on the age of 18 at an initial go to to our division confirmed severe valgus deformity with mechanical lateral distal femoral angle of seventy one degrees in distinction to left mLDFA which was 87 levels.

distal femoral osteotomy

The intermuscular septum between vastus lateralis and biceps femoris, posterior aspect of vastus medialis is identified and elevated. Meticulous dissection within the appropriate airplane is critical here as this can decide the exposure during the procedure. Depiction of each the traditional mechanical and anatomic axis of the lower limb in a bilateral standing full-size anteroposterior radiograph. The mechanical axis follows a line from the femoral head by way of the center of the talus. The anatomic axis follows a line through the middle of the femoral shaft via the middle of the tibia to the center of the ankle. A bony bridge on the lateral aspect of the growth plate was noted on MRI taken at age of sixteen.

Advantages Of Distal Femoral Osteotomy

Valgus knee alignment in excess of physiological valgus leads to extreme loading of the lateral compartment, which can potentially enhance the chance of osteoarthritis and might place the medial knee buildings vulnerable to chronic attenuation. Varus-producing distal femoral osteotomies have been proposed for correction of valgus malalignment, to alleviate rigidity on medial-sided constructions, in addition to to off-load the lateral compartment. A distal femoral osteotomy is a process whereby a surgical fracture is created at the finish of the femur and the shape of the bone is changed. The video describes our most popular technique for lateral opening wedge distal femoral osteotomy. The patient is supine, with the operative extremity draped in a traditional sterile trend. Typically, a more lateral pores and skin incision is made to realize entry to the lateral femoral cortex.

Otherwise, there is a threat that the hinge on the within part of the knee could crack or the screws might break because too much weight is being placed on them from relying on the plate and screws to hold the fracture aside rather than permitting the bone to heal. The most typical type of distal femoral osteotomy is one which involves an incision on the skin of the knee. Distal femoral medial closing-wedge osteotomy on the best distal femur of a cadaveric specimen. The patient is positioned in the supine place, with viewing from the left aspect of the patient.

Distal Femoral Osteotomy & High Tibial Osteotomy: When, The Place And The Way

Occasionally patients have injury to their articular cartilage that is limited to the outside of the knee. When this area alone is affected then it is named lateral compartment osteoarthritis. When the cartilage in all three compartments of the knee is broken then this is named tricompartmental osteoarthritis and this isn’t normally suitable for osteotomy surgical procedure. If a concomitant intra-articular process, corresponding to a lateral femoral condyle cartilage procedure is to be carried out, then an extended lateral peripatellar approach is really helpful. Typically, we favor to complete concomitant procedures prior to the osteotomy; arthroscopy may be used for diagnostic functions as wanted earlier than proceeding . In circumstances of concomitant procedures, for example, lateral femoral condyle osteochondral allograft transplantation is accomplished first to keep away from hyperflexing the knee that could trigger intraoperative loss of fixation.

The success price of distal femoral osteotomies is felt to be about 70% to seventy five% at 10 years. The success fee additionally relies upon upon the quantity of arthritis of the lateral compartment, if there’s a concurrent meniscal transplant or cartilage resurfacing procedure, and also if the patient just isn’t significantly obese . In basic, patients who smoke are not candidates for a distal femoral osteotomy as a result of bone doesn’t heal very properly in people who smoke and this may generally be a contraindicated surgical process in this circumstance. A varus-producing DFO may be a superb option to enhance pain and performance in patients with isolated lateral compartment disease and valgus alignment.

Recovery From Osteotomy Surgery

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