Comparison of ultrasound and X-ray checking on degenarative dislocation of hip / 中国矫形外科杂志

ABSTRACT

[Objective]To evaluate the effectiveness of ultrasound screening for degenarative dislocation of hip(DDH)in infant.[Method]Fifty infant hips were accepted for the ultrasound screening and the pelvic radiograph simultaneously.The author measured the ? angle on ultrasonography and the acetabulum index(AI)on the radiograph,then evaluated the data by different criteria.[Result]Forty-two hips were diagnosised as DDH according to the X-ray,but by the ultrasound there only 13 hips were abnormal.The author analyzed the data by paired-sample x2 test,there was significant difference between two methods(P