1Esteban A,Anzueto A,Alia I,et al.How is the mechanical ventilation em ployed in the intensive care unit? An international utilization review.Am J spir Crit Care Med,2000,161:1450-1458.
2Fischler L,Erhart S,Kleger GR,et al.Prevalence of tracheostomy in ICU patients:a nation-wide survey in Switzerland.Intensive Care Med,2000,26:1428-1433.
3Plummer AL,Gracey DR.Consensus conference on artificial airways in patients receivingg mechanical ventilation.Chest,1989,96:178-180.
4Durbin CG.Indications and timing of tracheostomy.Respir Care,2005,50:483-487.
5Marsh HM,Gillespie DJ,Baumgartner AE.Ti ming of tracheostomy in the critically ill patient.Chest,1989,96:190-193.
6Van Heurn LWE.When and how should we do a tracheostomy? Curr Opin Crit Care,2000,6:267-270.
7Rumbak MJ,Newton M,Truncale T,et al.A prospective,randomized,study comparing early percutaeous dilational trachcotomy to prolonged translaryngeal intubation (delayed tracheotomy) in critically ill medical patients.Crit Care Med,2004,32:1689-1694.
8Nasraway SA,Jacobi J,Murray MJ,et al.Members of the task force of the american college of critical care medicine of the society of critical care medicine and the american society of health-system pharmacist,in alliance with the americal college of chest physicians.Sedation,analgesia,and neuromuscular blockade of the critically ill adult:revised clinical practice guidelines for 2002.Crit Care Med,2002,20:117-118.
9Brook AD,Ahrens TS,Schaiff R,et al.Effect of a nursing-implemented sedation protocol on the duration of mechanical ventilation.Crit Care Med,1999,27:2609-2615.
10Kress JP,Pohlman AS,O' Connor MF,et al.The long-term psychological effeets of daily sedative interruption on critically ill patients.Am J Respir Crit Care Med,2003,168:1457-1461.