BACKGROUND: Alternative methods of hip arthroplasty as a result of the complete destruction of the epiphysis and femoral neck using the preserved part of the apophysis of this segment are not widely reported, which may be useful for specialists who are faced with the choice of providing such assistance. AIM: To present the long-term results of treating children with the hip joint reconstruction method developed in the clinic using trochanteric arthroplasty by utilizing the intact cartilaginous part of the greater trochanter apophysis for the treatment of defects resulting from osteolysis of the femoral head and neck after epiphyseal osteomyelitis. MATERIALS AND METHODS: The results of the surgical treatment of seven children (two of them had a bilateral process) who underwent reconstruction of nine hip joints according to the proposed method were analyzed. The procedures were performed at the age of 210 years. The intervention involved the surgical preparation of the acetabulum with repositioning of the greater trochanter after proximal angulation osteotomy of the hip at the metadiaphyseal level. In four patients with a unilateral process, Salter innominate osteotomy was additionally performed in one or two stages. In five patients with a unilateral process with further growth, limb lengthening was performed. The efficiency index was evaluated using both anatomical and functional results. In a bilateral process, the assessment considered the function of the worst operated joints. RESULTS: In six children, good and, in one child with a bilateral process, satisfactory long-term clinical and functional results were obtained (assessed 1020 years after the first reconstructive surgery). All of them had restored limb support without pain, with a sufficient range of motion. The method was organ-preserving, which enabled an opportunity for walking, and an anatomically favorable situation for further arthroplasty has been created, the timing of which has been postponed to a mature period. CONCLUSIONS: The method developed in the clinic for the surgical use of the greater trochanter for the reconstruction of the hip joint after infectious osteolysis of the head and neck of the femur is effective, allowing for a long time to maintain leg support using the patients tissues.
The results of long-terms vegetation studies of the Kulan plateau, which is located in the Badhyz reserve in the southeastern Turkmenistan, are presented. The geographical position of the region and the diversity of landscapes promoted to the formation of the specific flora, represented by various groups of Mediterranean, Iranian, Turanian, as well as Middle and Central Asian species. Very specific ephemeroid plant communities with Poa bulbosa и Carex pachystylis dominated in lower layer were syntaxonomically studied for the first time. The upper layer includes the tall herbs, especially Ferula badrakema, an endemic species of Badhyz. Communities were classified as the suballiance Poo bulbosae– Ferulenion badrakemii suball. nov. of the alliance Vulpio persicae–Caricion pachystylidis Świerszcz et al. 2020 of the order Cymbopogono–Brachypodietalia ramosi Horvatič 1963 of the class Lygeo sparti–Stipetea tenacissimae Rivas-Mart. 1978 nom. conserv. propos. Сommunities of grasses on slight turf sands are classified as part of the provisional alliance Stipagrostion pennati prov. The position of the alliance in the system of high-rank syntaxa has not yet been determined. The 5 new associations and 6 subassociations were allocated.
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