4Druding MC.Re-examining the practice of normal saline instillation prior to suctioning[J].Medsurg Nursing,1997,6(4):209～212
5Blackwood B.Normal saline instillation with endotracheal suctioning:primum non nocere(first do no harm)[J].Journal of Aduanced Nursing,1999,29(4):928～934
6JI YR,Kim HS,Park JH.Instillation of normal saline before suctioning in patients with pneumonia[J].Yonsei Medical Journal,2002,43(5):607～612
7Martins DE Araujo MT,Vieira SB,Vasquez EC,et al.Heated humidifcation or face mask to prevent upper airway dryness during continuous positive airway pressuretherapy[J].Chest,2000,117(1):142～147
8Guglielminotti J,Desmonts JM,Dureuil B.Effects of tracheal suctioning on respiratory resistances in mechanically ventilated patients [J].Chest,1998,113 (5):1335～ 1338
