Awareness with recall during general anaesthesia: a prospective observational evaluation of 4001 patients.
Errando CL, Sigl JC, Robles M, et al. Awareness with recall during general anaesthesia: a prospective observational evaluation of 4001 patients. Br J Anaesth. 2008;101(2):178-85. doi:10.1093/bja/aen144.
Although only 1% of patients in this study experienced anesthesia awareness, most cases were preventable. Medication dosing errors and human factors were the predominant causes of failure to detect anesthesia awareness.