Abstract
Experimental modelling of stable and unstable dislocation fractures of the elbow joint in rats was made by surgical separation (using Liston bone cutters) of the lateral area on the condyle of humerus and the head of radius, according to models. Results of histological examination demonstrated that, when both types of dislocation fractures were modelled, after 21 postoperative days the articular joints developed destructive changes, inflammation and fibrosis of joint capsule and some reorganization of the subchondral bone. The above abnormalities, typical for posttraumatic osteoarthritis, were more expressed in models of an unstable dislocation fracture of the elbow joint in rats.
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