1Bonde P, Papaehristos I, McCraith A, et al. Sputum retention after lung operation: prospective randomized trial shows superiority of prophylactic minitraeheostomy in high-risk patients[J]. Ann Thorac Surg,2002,74(1) : 196-202.
2Rumbak M J, Newton M, Truncale T, et al. A prospective, random- ized, study comparing early percutaneous dilatational traeheotomy to prolonged translaryngeal intubation (delayed tracheotomy) in critically ill medical patients[J]. Crit Care Med, 2004,32 (8): 1689 -1694.
3Dunham C M, Ransom K J. Assessment of early tracheostomy in trauma patients a systematic review and meta-analysis [J]. Am Surg,2006,72(3) :276-281.
