Anesth Analg 2007;105:539-540
© 2007 International Anesthesia Research Society
doi: 10.1213/01.ane.0000261261.29582.b6
LETTER TO THE EDITOR
Section Editor: Lawrence Saidman
Ketamine Versus Lidocaine for the Pain of Propofol Injection
Zafer Tabboush, MD
Department of Anesthesiology; Kingdom Hospital; Riyadh, Saudi Arabia; zafer{at}cyberia.net.lb
To the Editor:
Recently, Koo et al. (1) showed that ketamine 0.1 mg/kg administered just before propofol injection can reduce the incidence of propofol- induced pain. In their results, however, they mention that the incidence of pain in patients receiving ketamine 0.1 mg/kg did not differ significantly from that in patients who received 2 mL 2% lidocaine before propofol. This nonsignificant difference allows us to question the benefit from the use of ketamine to prevent propofol pain. The study of Koo et al. fails to change the established conclusion of previous studies showing that the most effective technique in reducing propofol pain is IV lidocaine given with a tourniquet as a Biers block before the injection of propofol (2,3).
REFERENCES
- Koo SW, Cho SJ, Kim YK, Ham KD, Hwang JH. Small-dose ketamine reduces the pain of propofol injection. Anesth Analg 2006;103:1444–7[Abstract/Free Full Text]
- Picard P, Tramer MR. Prevention of pain on injection with propofol: a quantitative systematic review. Anesth Analg 2000; 90:963–9[Abstract/Free Full Text]
- Johnson RA, Harper NJ, Chadwick S, Vohra A. Pain on injection of propofol: methods of alleviation. Anaesthesia 1990; 45:439–42[Web of Science][Medline]
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S.-W. Koo, S.-J. Cho, Y.-K. Kim, K.-D. Ham, and J.-H. Hwang
Ketamine for Reducing Propofol-Induced Pain
Anesth. Analg.,
August 1, 2007;
105(2):
540 - 540.
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