4Guglieminotti J, Desmonts JM, Dureuil B. Effects of tracheal suctioning on respiratory resistance in mechanically ventilated patients[J]. Chest, 1998, 113:1 335.
5Boutros AR. Arterial blood oxygenation during and after endotracheal suctioning in the apneic patient[J]. Anesthesiology,1970,32:114.
6Carlon GC, Fox SJ, Ackerman NJ. Evaluation of a closed - tracheal suction system [ J ]. Crit Care Med, 1987,15 (5) :522 - 525.
7Webb CH, Hogg GM. Contamination of multi - use closed tracheal suction catheters: an in - vitro study [ J ]. J Hosp Infect, 1995, 31(3): 219 ~224.
8Choong K,Chatrkaw P,Frndova HM,et al. Comparison of loss in lung volume with open versus in - line catheter endotracheal suctioning[ J]. Pediatric Crit Care Med,2003,4( 1 ) :69 ~ 73.
9Johnson KL,Kearney PA,Johnson SB,et al. Closed versus open endotracheal suctioning: Costs and physiologic consequences [ J ]. Crit Care Medicine, 1994,22 (4) :658 ~ 666.