Anesthesiology and Intensive Care

Clinical correlation of   bispectral index (BIS) (A).  Electroencephalographic (EEG) changes observed with increasing depth of anesthesia (B). (Adapted from Johansen JW, Sebel PS: Development and clinical application of electroencephalographic bispectrum monitoring. Anesthesiology 93:1336, 2000). (Redrawn From Kelley SD: Monitoring Level of Consciousness during Anesthesia and Sedation. Natick, MA, Aspect Medical Systems, 2003).

Conclusions of some studies that investigated e ffect of ketamine on bispectral index (BIS). Effect of ketamine on bispectral index during propofol--fentanyl anesthesia: a randomized controlled study.  Sengupta S ,  Ghosh S ,  Rudra A ,  Kumar P ,  Maitra G ,  Das T .                 Click to read more from source CONCLUSION : Thus, under stable propofol anesthesia, a bolus of  KETAMINE 0.5 MG/KG INCREASES BIS VALUES WHILE KETAMINE 0.2 MG/KG DOES NOT.                         Comparative effects of ketamine on Bispectral Index and spectral entropy of the electroencephalogram under sevoflurane anaesthesia   P.Hans, P.-Y. Dewandre ,  J. F. Brichant  and  V. Bonhomme Click to read more from source Conclusions.  Ketamine administered under sevoflurane anaesthesia causes a  signi...