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  • Title: Proximal osteotomy of the tibia for the treatment of genu recurvatum in adults.
    Author: Moroni A, Pezzuto V, Pompili M, Zinghi G.
    Journal: J Bone Joint Surg Am; 1992 Apr; 74(4):577-86. PubMed ID: 1583053.
    Abstract:
    Twenty-seven opening-wedge osteotomies of the proximal part of the tibia were performed in twenty-five patients who had genu recurvatum. In sixteen knees, the genu recurvatum was due entirely to osseous deformity. In the remaining eleven knees, it was due to a combination of osseous and soft-tissue deformity; in five, the deformity was predominantly osseous and in six, primarily in the soft tissues (the ligaments and capsule). The average age of the patients was twenty-three years (range, fifteen to fifty-four years). The osteotomy was proximal to the tibial tuberosity in twenty-two knees. In eighteen of these knees, the tuberosity was detached with its patellar ligament and then reattached to the proximal part of the tibia over the block of bone in the opened wedge; in the remaining four knees, the tibial tuberosity was not detached. The osteotomy was distal to the tuberosity in five knees. The patients were followed for an average of 14.5 years (range, three to thirty years). Of the eighteen knees in which the osteotomy had been proximal to the tibial tuberosity and the tuberosity had been detached and then reattached, nine (50 per cent) had a result that was excellent; five (28 per cent), good; and four (22 per cent), fair. Of the four knees in which the operation had been proximal to but without detachment of the tuberosity, one had a result that was excellent; two, good; and one, fair. Of the five knees in which the osteotomy was distal to the tibial tuberosity, one had a result that was good; three, fair; and one, poor. Of the twenty-one knees in which the deformity was entirely or predominantly osseous, eighteen (86 per cent) had an excellent or good result. None of the six knees in which the deformity was predominantly in the soft tissues had an excellent or good result. Patients in whom the deformity was not primarily osseous, and those in whom the operation was distal to the tibial tubercle, were much more likely to have a fair or poor result.
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