[Differences in the changes of blood clotting state after initial trauma fractures and twice trauma fractures].

Objective: To compare changes of blood clotting state after initial trauma fractures and twice trauma fractures, investigate the effect of fracture history to the state of the blood clotting after secondary trauma fractures.

Methods: Thirty New Zealand rabbits were selected, aged 5-6 months, males and females unlimited, weighted 2.4-2.