Clinical Observation Of Under Varus Femoral Trochanter Osteotomy For The Treatment Of DDH

Objective: Implementation of DDH with varus osteotomy femoral trochanter, to explore the varus Angle of femoral neck stem Angle, stem epiphyseal Angle influence the efficacy of postoperative effect. For children with preoperative data such as postoperative femoral neck stem Angle, stem epiphyseal Angle, such as comparison, to evaluate postoperative function and x ray film, discuss the techniques and the existing problems in the clinical treatment of DDH, sum up experience, promote the clinical progress.Method: Chooseing patients who conformed to the standard of DDH in clinical, the implementation of joint rotation under open reduction and femoral trochanter in shortening osteotomy combined modified by Pemberton acetabulum keratoplasty, postoperatively standard time limit of limb fixation and functional exercise. Collected postoperative x line piece or more than half of three-dimensional CT image data, and activity, the hip function of preoperative limb postoperative femoral neck stem Angle, stem epiphyseal Angle for recording, and data analysis, and evaluation criteria proposed by JiShiJun and other congenital hip dislocation, a functional score.Results: All children are given under varus femoral trochanter osteotomy, a total of 53 patients with 80 hips. The evaluation results of the total fine rate was 83.75%, respectively,optimal(30-26 points) : 51 hip, good(25-21 points) : 16 hips,(20-16 points) : 11 hips, bad(15-11 points) : 2 hip; Use SPSS 17.0 statistical software for preoperative and postoperative neck stem Angle, stem epiphyseal Angle were analyzed, using T test T value:T1 = 28.06, p < 0.01; T2 = 26.23, P2 < 26.23. Conclusion: Under varus femoral trochanter osteotomy can be a very good correction too big neck stem Angle and stem epiphyseal Angle, to measure the neck stem Angle and stem epiphyseal Angle method to determine the varus Angle, effective for the stability of the relationship between postoperative femoral head a mortar clear, have important effects on preventing postoperative dislocation again, the epiphyseal stem epiphyseal growth direction Angle and femoral head cannot beignored. Varus cut bone and improved by Pemberton acetabulum keratoplasty joint operation, is an effective way for the treatment of DDH in children. Operation skills in excessive correction is of vital importance to the neck stem Angle and stem epiphyseal Angle.