In tested group, slight paradoxical respiration occurred in 2 dogs and could not be seen in 2 weeks. 实验组2只出现轻度的反常呼吸,2周后反常呼吸消失;
Results Paradoxical respiration occurred and the intrathoracic pressure kept negative but with no bulge of malactic tissues after the fulfilment of the floating thoracic wall models. 结果浮动胸壁模型完成后,均出现反常呼吸,胸腔内压力为负值,未出现软化部分膨出;
It is concluded that the pathophysiological changes of the flail chest is mainly caused by paradoxical respiration, and the traction of the flail segment is a sim le and effective method of treatment. 其病理生理改变主要是因为反常呼吸运动所致,牵引治疗仍不失为一种有效的治疗方法。