Abstract
The knee articular cartilage and synovial membrane have been studied for metadiaphyseal leg lengthening using the methods of light miscroscopy, computer morpho- and stereometry. The manner of bone integrity breaking, the rate and rhythm of distraction conformed to the lengthening technique most often used in the clinic. The results of the histomorphometric analysis have demonstrated that when osteotomy at the level of metadiaphysis and manual distraction by 1 mm a day for 4 times is performed, synovitis of mild and moderate degree develops through subsynovial layer hypervascularization, as well as reactive-destructive changes in nerve fibers with the tendency to regeneration. The structural-functional changes of reactive and/or destructive-reparative character have been revealed in the articular cartilage, and the manifestation degree of these changes correlates with synovial membrane changes. The intensity of the destructive-reparative processes in the articular cartilage and synovial membrane depends on fixation stability.
Highlights
The knee articular cartilage and synovial membrane have been studied for metadiaphyseal leg lengthening using the methods of light miscroscopy, computer morpho- and stereometry
The results of the histomorphometric analysis have demonstrated that when osteotomy at the level of metadiaphysis and manual distraction by 1 mm a day for 4 times is performed, synovitis of mild and moderate degree develops through subsynovial layer hypervascularization, as well as reactive-destructive changes in nerve fibers with the tendency to regeneration
The structural-functional changes of reactive and/or destructive-reparative character have been revealed in the articular cartilage, and the manifestation degree of these changes correlates with synovial membrane changes
Summary
ГИСТОМОРФОМЕТРИЧЕСКИЙ АНАЛИЗ СУСТАВНОГО ХРЯЩА И СИНОВИАЛЬНОЙ ОБОЛОЧКИ КОЛЕННОГО СУСТАВА ПРИ МЕТАДИАФИЗАРНОМ УДЛИНЕНИИ ГОЛЕНИ (ЭКСПЕРИМЕНТАЛЬНО-МОРФОЛОГИЧЕСКОЕ ИССЛЕДОВАНИЕ). Компьютерной морфо- и стереометрии исследованы суставной хрящ и синовиальная оболочка коленного сустава при метадиафизарном удлинении голени. HISTOMORPHOMETRIC ANALYSIS OF THE KNEE ARTICULAR CARTILAGE AND SYNOVIUM FOR METADIAPHYSEAL LEG LENGTHENING (EXPERIMENTAL-AND-MORPHOLOGICAL STUDY). The knee articular cartilage and synovial membrane have been studied for metadiaphyseal leg lengthening using the methods of light miscroscopy, computer morpho- and stereometry. Преимущества диафизарного удлинения доказаны в экспериментальных исследованиях зарубежных и отечественных авторов [5, 10, 12, 15], однако в клинике наиболее часто отдаётся предпочтение метафизарному и метадиафизарному удлинению, что определяется представлением о лучших условиях остеогенеза. Цель – выявление особенностей изменений суставного хряща и синовиальной оболочки коленного сустава при метадиафизарном удлинении голени
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