In addition, using hypnosis in multiple sessions before the day of the procedure produced the highest percentage of significant results.
Hypnosis was most effective with minor surgical procedures.
The researchers fairly note their risk of bias and suggest further studies using minimally effective control conditions and systematic control of the intervention dose and timing would strengthen these conclusions.
Citation: Kendrick C, Sliwinski J, Yu Y, Johnson A, Fisher W, Kekecs Z, Elkins G. Hypnosis for Acute Procedural Pain: A Critical Review. International Journal of Clinical Hypnosis. 2016; 64 (1):pages 75-115.
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