1. AARC Clinical Practice Guidelines (2010) Endotracheal suctioning of mechanically ventilated patients with artificial airways. Respiratory Care 55(6):758–764
2. Afshari A, Safari M, Oshvandi K, Soltanian AR (2014) The effect of the open and closed system suctions on cardiopulmonary parameters: time and costs in patients under mechanical ventilation. Nursing and Midwifery Studies 3(2):e14097
3. Banfi P, Robert D (2013) Early tracheostomy or prolonged translaryngeal intubation in the ICU: a long running story. Respiratory Care 58(11):1995–1996
4. Berra L, De Marchi L, Panigada M, Yu ZX, Baccarelli A, Kolobow T (2004) Evaluation of continuous aspiration of subglottic secretion in an in vivo study. Critical Care Medicine 32(10):2071–2078
5. Bouza E, Pérez MJ, Muñoz P, Rincón C, Barrio JM, Hortal J (2008) Continuous aspiration of subglottic secretions in the prevention of ventilator-associated pneumonia in the postoperative period of major heart surgery. Chest 134(5):938–946