4De Benedettis G,LorenzetteA, Migliore M,et al. Postoper- ative-pain in neurosurgery:A pilot study in brain surgery[J]. neurosurgerty, 1996,38 (3) : 466.
6Chen SC, Feng G. Clinic investigation and logistic analysis of risk factors of recurrent hemorrhage after operation in the earlier period of cerebral hemorrhage[J]. Acta Neurochir Suppl, 2005,95(5) : 119-121.
7Telleria Diaz A. Surgical treatment of hypertensive spon- taneousintracerebral hemorrhage behavior yet to be de- fined[J]. Rev Neurol, 2008,27 (155) : 162.
8Hoy SM, Keating GM. Dexmedetomidine. A review of its use for sedation in mechanically ventilated patients in an intensive care setting and for procedural sedation[J]. Drugs, 2011,71 (11) : 1481-1501.
9Jackson DL,Proudfoot CW,Cann KF,et al. The inci- dence of sub-optimal sedation in the ICU:A systematic review[J]. Critical Care, 2009,13 (6) : 204.
10Ma P,Liu J,Xi X,et al. Practice of sedation and theperception of discomfort during mechanical ventilation in Chinese intensive care units[J]. Crit Care,2010,25 (3) : 451-457.
