6Degoute CS. Controlled hypotension a guide to drug choice[J]. Drugs, 2007,67(7):1053-1076.
7Fromme GA, MacKenzie RA, Gould AB Jr, et al. Controlled hypotension for orthognathic surgery[J]. Anesth Analg, 1986,65(6): 683-686.
8Lopez-Berlanga, Zaballos M, Benito C, et al. Continuous infusion of urapidil in ENT surgery [J]. Eur Anaesthesiol,2004, 21 (suppl32) :4-5.
9Tobias JD. Nieardipine for controlled hypotension during orthog- nathic surgery [J] .Plast Reconstr Surg,1997,99(6):1539-1543.
10Richa F, Yazigi A, El Hage C, et al. Demedetomidine: an agent for controlled hypotension in maxillo-facial surgery [J].Eur Anaesthesiol,2004, 21(suppl32):60-61.