AAGBI Core Topics Nottingham 2013 Depth of Anaesthesia Monitoring

This is the talk I delivered at the Association of Anaesthetists Core Topics Meeting, September 2013.

It aims to provide an update on Depth of Anaesthesia Monitoring, with a particular focus on the use of BIS.

The RCOA Matrix Codes for this talk are 2A04 & 1A03.

The handout of my slides can be found here: AAGBI DOA Nottm 2013 Handout


The origin of the magic MAC number

Eger EI, Saidman LJ & Brandstater B. Minimum alveolar anesthetic concentration: a standard of anesthetic potency. Anesthesiology 1965; 26:756-763.

RHH Journal Club. July 4th, 2013. Dr Niv Jena

Full-text article (if available)

This seminal body of work performed by Eger and his team in the 1960’s provides the basis for much of how we practice anaesthesia today. It continues to be referenced nearly 50 years later because of its importance. They introduced the concept of MAC and using it as a standard and comparison of potency of inhalational agents.

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BIS Off? No need for that…

Avidan MS, Jacobsohn E, Glick D et al. A. Prevention of intraoperative awareness in a high-risk surgical population. New England Journal of Medicine, 2011; 365: 591-600.

RHH Journal Club. July 4th, 2013. Dr Helen Findley

Full-text article (if available)

Is keeping BIS 40-60 better at preventing awareness than keeping end tidal at minimum 0.7 age adjusted MAC?

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