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British Journal of Anaesthesia 2006 97(2):123-126; doi:10.1093/bja/ael158
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© The Board of Management and Trustees of the British Journal of Anaesthesia 2006. All rights reserved. For Permissions, please e-mail: journals.permissions@oxfordjournals.org

The doughnut and the hole: a new pharmacological concept for anaesthetists

The first 150 words of the full text of this article appear below.

It is time for anaesthetists to revisit a long acknowledged but little considered concept in clinical pharmacology. In our daily practice, we regularly think about the law of mass action, about reversible reactions and about diffusion gradients. We accept that passive diffusion along concentration gradients is a common cause of the pharmacological effects we utilize in every anaesthetic. Thus it is easy to conceive of recovery from neuromuscular block induced by the depolarizing agent, succinylcholine, occurring as the concentration of the drug reduces in the plasma following metabolism by plasma cholinesterase. The drug moves passively from the higher concentration at the postsynaptic nicotinic receptor back in to the plasma and recovery occurs. We also accept that if a further bolus dose of such a drug is given, neuromuscular block recurs: the balance of concentration of the drug would be shifted in the opposite direction.

From our undergraduate pharmacology days, we . . . [Full Text of this Article]

Cyclic oligosaccharides

Do we need a new neuromuscular antagonist?

Chelation (or encapsulation)

Dynamics of sugammadex (Org 25969)

Side-effects

The future

J. M. Hunter*,{dagger} and E. A. Flockton

University Department of Anaesthesia, Clinical Science Duncan Building, Daulby Street, Liverpool L69 3GA, UK

*E-mail: bja@liv.ac.uk


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Ian M. Bishton
British Journal of Anaesthesia, 11 Jul 2006 [Full text]