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Journals and Conferences
Callotasis is a new technique of limb lengthening involving slow distraction of the callus formed in response to a proximal submetaphyseal corticotomy. Using a dynamic axial fixator with telescoping capabilities, distraction begins after 2 weeks. When the required length is attained, the fixator is held in the rigid mode until radiographic evidence of… (More)
The incidence of hip fractures continues to rise. This study is the first evaluation of a new intramedullary implant, the Veronail, that provides double axis fixation into the femoral head and allows the surgeon to choose whether to use sliding or fixed locked proximal screw fixation for trochanteric femoral fractures. The fractures were classified… (More)
Callotasis is a lengthening technique that involves slow, controlled distraction after subperiosteal-submetaphyseal osteotomy. The technique and its advantages over other methods are described. Results of lengthenings involving 270 operated bone segments (146 femurs and 124 tibias) in 140 patients are reviewed. Ninety-five patients had limb-length… (More)
The fundamental concepts underlying lengthening surgery for the congenital short femur were gained from experience in treating 35 cases by means of chondrodiatasis and callotasis.
Achondroplastic patients having lengthening surgery of the lower limbs were preoperatively evaluated from psychologic, functional, vascular, and endocrinometabolic points of view. Long-term research is required to determine effects of surgical correction of achondroplasia from both psychologic and various physical points of view.
We report our experience of lengthening by over 30% a total of 117 lower limbs in achondroplastic patients. We have compared four methods: transverse osteotomy, oblique osteotomy, callotasis of the shaft and chondrodiatasis of the epiphysis. Chrondrodiatasis of the femur and callotasis of the tibia are the techniques which gave fewest complications.