4Cothren C,Offner PJ,Moore EE,et al.Evaluation of a new technique for bedside percutaneous tracheostomy. The American Journal of Surgery . 2002
5Kaiser E,Cantais E,Goutorbe P,et al.Prospective randomized comparison of progressive dilational vs forceps dilational percutaneous tracheostomy. Anaesthesia and Intensive Care . 2006
6Sengupta N,Ang KL,Prakash D,et a1.Twenty monthsroutine use of a new percutaneous tracheostomy set usingcontrolled rotating dilation. Anesthesia and Analgesia . 2004
7MeyerM,,Critch low J,Mansharamani N,et al.Repeat bedside per-cutaneous dilational tracheostomy is a safe procedure. Critical Care Medicine . 2002
3Johnson JI, Cheatham ML, Sagraves SG, et al. Percutantaneous dilational tracheostomy: a comparison of single-versus multiple-dilator techniques [J]. Crit Care Med ,2001,29(6) : 1251-1254.
