[Migration of the Tips of Metal Implants during Treatment of Coxa Vara Adolescentium (Slipped Capital Femoral Epiphysis)].

PURPOSE OF THE STUDY This paper aims to detect, through a retrospective study, the migration of the tips of used metal implants (K-wires or a screw) in the direction out from the proximal femoral epiphysis as a part of studied basic radiometric characteristics of the cohort, with no intention of the authors to evaluate the therapy outcomes. MATERIAL AND METHODS It was a retrospective multicentre study including patients of two orthopaedic clinics and one department of orthopaedics treated in the period 2005-2018. The same treatment procedure was used in all three centres.

[Simultaneous Bilateral Femoral Osteotomies in Neurogenic Hip Instability: a Feasibility Study].

PURPOSE OF THE STUDY The study aimed to evaluate the intraoperative and early postoperative response to simultaneous bilateral femoral osteotomy usually accompanied by soft tissue release of hip joints, or open reduction, capsuloplasty, pelvic osteotomy or extraarticular shelf procedure. MATERIAL AND METHODS A bilateral surgery was performed in 16 children. Twelve children suffered from (spastic) cerebral palsy and there was one case of paralytic dislocation in a patient with myelomeningocele, while the remaining patients suffered from chromosome I aberrations, Dandy-Walker syndrome and merosin-deficient muscular dystrophy.

[Accuracy of proximal femur correction achieved with LCP paediatric hip plates].

Purpose Of The Study: The aim of the study was to evaluate, in comparison with the pre-operative planning, the accuracy of proximal femur correction achieved with the use of locking compression paediatric hip plates (LCP) in children and adolescents and to assess pre- and post-operative complications.

Material And Methods: A group of 52 patients in whom proximal femoral osteotomy using the LCP was performed on a total of 55 hips between September 2009 and February 2013 were retrospectively evaluated. The following diagnoses were treated: unstable hip in cerebral palsy, 18 operations; Legg-Calvé-Perthes disease, 10 operations; coxa vara of aetiology other than coxa vara adolescentium (CVA), eight operations; true CVA, six operations; femoral shortening by the Wagner method, six procedures; proximal femoral derotation osteotomy, four procedures; and post-traumatic pseudoarthrosis of the proximal femur, three operations.

[Exactness of correction of proximal femoral deformities using conventional angled blade plates and the cannulated paediatric osteotomy system. Comparison of two methods].

Purpose Of The Study: The aim of the study was to compare the exactness of correction of proximal femoral deformities between the patients treated with AO angled blade plates and those managed by the cannulated paediatric osteotomy system (CAPOS).

Material And Methods: In the period from 1994 to 2003, corrective osteotomy of the proximal femur using the conventional AO angled blade plate (90°, 120°, 130°) was performed on 57 hips in 42 children. In the period 2004-2012, 68 hips in 59 children were treated by the CAPOS method.

[Arthroscopic stabilization procedure for multidirectional shoulder instability].

Purpose Of The Study: The authors describe an arthroscopic procedure for multidirectional shoulder instability and its results in a group of their patients. They present a new argument to the widely accepted view that multidirectional instability of the shoulder is not an indication to surgical treatment.

Material: A total of nine shoulders in seven patients were indicated to surgical intervention because of multidirectional shoulder instability.