[Muscular fatigue in chronic respiratory insufficiency. Physiopathologic considerations and therapeutic strategies].

The Authors has performed a careful exam of the pattern of chronic airways insufficiency in children. They dwell on the reasons which determinate the increase of the inspiratory muscular load and of difficulty of inspiratory muscles. Continuing that exam, the chronic anoxia of muscular cells (a bioptic study) is correlated with functional troubles of muscular fibre. In addition to that the Authors subdivide several different illness of lung in children according to the different mechanism of respiratory insufficiency. They conclude with the exam of strategy to use to obtain the diminution of the muscular load and of respiratory insufficiency.