Evaluation of the Possibilityof Restoration of Leg Length in Patients With Severe Hip Dysplasia in Different Variants of Surgical Technique of Hip Replacement

Abstract

The authors performed the comparative analysis of radiographs of two groups of patients with severe dysplastic coxarthrosis who underwent total hip replacement with osteotomy of T. Paavilainen and without it. The study revealed significant differences in the results: the degree of leg lengthening and the degree of displacement of the greater trochanter with the restoration of the anatomical center of rotation using osteotomy on T Paavilainen significantly greater than with a standard prosthesis. The average limb lengthening without osteotomy was 29.1 mm, 95% confidence interval (from 24.5 to 33.6), and using osteotomy - 45.7 mm (from 41.8 to 49.6) (p 0.0001). The average displacement of the greater trochanter without osteotomy was 27.2 mm, 95% confidence interval (from 22.8 to 31.6), and with osteotomy - 61.4 mm (from 54.4 to 68.4) (p 0, 0001).