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This Article Full Text Full Text (PDF) Take the CME quiz: Vol. 6 No. 3, September 2001 Submit a response Alert me when this article is cited Alert me when eLetters are posted Alert me if a correction is posted Services E-mail this article to a friend Similar articles in this journal Alert me to new issues of the journal Add to My File Cabinet Download to citation manager Citing Articles Citing Articles via CrossRef Citing Articles via Google Scholar Google Scholar Articles by Mancuso, T. J. Search for Related Content PubMed Articles by Mancuso, T. J. Related Collections Anesthesiology

AAP Grand Rounds 6:31 (2001)
© 2001 American Academy of Pediatrics

The Bispectral Index Scale (BIS), A New Monitor of Hypnosis or Depth of Anesthesia

The first 20% of the full text of this article appears below.

This paper reviews the history and development of the Bispectral Index Scale (BIS), a new monitor which is currently approved by the FDA and which is being used not only as a research tool but also, increasingly, as a routine monitor in operating rooms. The monitor, which is a processed EEG, is used to estimate the so-called "depth" of anesthesia, also called the degree of hypnosis. Balanced anesthesia consists of areflexia, analgesia and hypnosis. The adequacy of analgesia is determined by the presence or absence of autonomic and somatic responses to surgical stimuli, while hypnosis is considered satisfactory if patients have no awareness or recall of the surgical procedure.

The rationale for use of a processed EEG as a monitor of the depth of anesthesia derives from the theory of general anesthesia. It is thought that general anesthetic agents cause unconsciousness by depressing . . . [Full Text of this Article]

Thomas J. Mancuso, MD, FAAP

Anesthesiology, Children’s Hospital, Boston, MA