Journal Article
Study

Awareness with recall during general anaesthesia: a prospective observational evaluation of 4001 patients.

Errando CL, Sigl JC, Robles M, et al. British journal of anaesthesia. 2008;101:178-85.

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.