Zhongguo gu shang = China journal of orthopaedics and traumatology
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To investigate the clinical effect of atlantoaxial pedicle screw internal fixation for treatment of atlantoaxial dislocation. ⋯ Posterior approach atlantoaxial pedicle screw internal fixation have the advantages of direct screw placement, short-segment fusion, intraoperative reduction, fixation reliable, high fusion rate, and it can restablish the upper cervical vertebrae stability and help to recover the spinal cord and nerve function.
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To explore the operative method for the treatment of syndesmosis injury in ankle fractures. ⋯ The treatment for the syndesmosis diastasis with a three-cortices screw fixation in ankle fractures is effective. Good functional outcome can be obtained with anatomical restoration of the tibiofibular syndesmosis. The repair of deltoid ligament is important for stability of the lower tibiofibular syndesmosis. Removal of the screw before weight loading should be performed to avoid possible screw breakage.
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To observe the effectiveness of percutaneous bone marrow grafting for treatment of fractures nonunion. ⋯ Percutaneous autologous bone marrow grafting is an effective, easy and economic therapy for fracture nonunion. But stable internal or external fixation is the premise. Excessive bone defect, the gap more than 5 mm and mal-align requiring rectification is not appropriate for this therapy.