The role and importance of deformities of the greater trochanter of the femur for hip function: development of working classification
On the basis of radiometric studies to identify possible options for the deviations in the structure of the greater trochanter (gt) in the pathology of the hip joint (hj) of various origins, to develop a working classification of its deformations (abnormal location) for further substantiation of methods of surgical treatment. methods: we performed a retrospective analysis of clinical examination and radiological diagnostics (x-ray, ct and mri) to compare the development of a trochanteric component of hj in 153 children with varying of its pathology (congenital dislocation and subluxation of the hip, deformation of the proximal femur due to injuries and inflammatory disorders, sepsis, suppurative arthritis, etc.) coxavara, aseptic necrosis of the femoral head, and hj patholog y on a background of neurological diseases (cerebral palsy, spinal hernia). results: there were identified and classified options of violation in gt structure as well as its spatial deviation from the norm with respect to the center of rotation of the femoral head in children with hj disorders of various origins. the most pronounced changes in the trochanteric component of hj were established in the case of inflammatory diseases carried in the period from birth to 6 years. changes of gt in cases of hj pathology of other genesis depend on the age at which it is developed, the area and the extent of damage in growth zones of the trochanter and the femoral head, peculiarities of pathology, treatment, the rate of growth of the child. firstly developed working classification of gt deformations in children for integrated assessment of hj, in particular its trochanteric component will create in the future a diagnostic and treatment algorithm of welltimed diagnostics, prediction and early surgical treatment, will lead to better anatomical and functional outcomes in patients with this pathology.
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