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Anesth Analg 2005;101:927
© 2005 International Anesthesia Research Society
doi: 10.1213/01.ANE.0000173675.08695.E8

LETTER TO THE EDITOR

Timing of Acupuncture Stimulation

Warren P. Bagley, MD

Department of Anesthesiology; University of Tennessee Medical Center at Knoxville; Knoxville, TN; wbagley{at}utmck.edu

To the Editor:

The Chernyak et al. (1) article created some questions. First of all, there is no such point as SP 34. There are only 21 points on the spleen channel, and it runs up the medial side of the leg. The proper point designation for the specified point (Liangqiu) is ST 34. A minor error, but one which is consistent throughout the article.

Another comment deals with the manner of stimulation applied. Why did the investigators use a mixed-frequency approach? Which needles were connected, and in what sequence? More importantly, how was the acupuncture stimulus intensity known to be the same between groups?

At the outset, volunteers underwent a "needling test." What was the nature of the "needling test?" Were any subjects excluded?

With only seven subjects, it might be argued that one outlier could significantly affect the outcome. In Figure 1, it appears that this could well be the reason for lack of statistical significance in the "At-Induction" group.

More studies with larger numbers are needed before this conclusion should be adopted.

Reference

  1. Chernyak G, Sengupta P, Rainer L, et al. The timing of acupuncture stimulation does not influence anesthetic requirement. Anesth Analg 2005;100:387–92.[Abstract/Free Full Text]




This Article
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Lippincott, Williams & Wilkins Anesthesia & Analgesia® is published for the International Anesthesia Research Society® by Lippincott Williams & Wilkins with the assistance of Stanford University Libraries' HighWire Press®. Copyright 2006 by the International Anesthesia Research Society. Online ISSN: 1526-7598   Print ISSN: 0003-2999 HighWire Press