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Effect of simultaneous dosaged distraction on the preservation of injured growth zone

Experimental study was performed on 22 puppies aged 3-8 months. Growth zone of the distal femur was examined after the modeling of its injury. There were three experimental groups: 1st - formation of 1-2 mm diastasis between the fragments using simultaneous distraction and fixation with interosseous osteosynthesis device on the day of injury (12 dogs); 2nd - formation of 1-2 mm diastasis and fixation with the device 2-3 days after injury (5 dogs); 3rd - treatment of the injured growth zone with plaster cast (5 dogs). Radiologic and morphologic examinations of the growth zone were performed. The best results were obtained in the 1st experimental group.