EFFECTS OF CONVERSATIONAL HYPNOSIS ON RELATIVE PARASYMPATHETIC TONE AND PATIENT COMFORT DURING AXILLARY BRACHIAL PLEXUS BLOCKS FOR AMBULATORY UPPER LIMB SURGERY:A Quasiexperimental Pilot Study |
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Authors: | Emmanuel Boselli Hervé Musellec Franck Bernard Nicolas Guillou Pierre Hugot Caroline Augris-Mathieu |
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Affiliation: | 1. University of Lyon, University Lyon I Claude Bernard, APCSe VetAgroSup UPSP 2016.A101, Lyon, France;2. Centre hospitalier privé Saint-Grégoire, Saint-Grégoire, France;3. Hospices Civils de Lyon, édouard Herriot Hospital, Lyon, France |
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Abstract: | This two-center quasiexperimental pilot study was to determine the effect of conversational hypnosis on patient comfort and parasympathetic tone, which may represent a quantitative measure of hypnotic depth, during regional anesthesia. The patients received conversational hypnosis in one center and oral premedication in the other. The patients’ subjective comfort (0-10 rating scale) and objective parasympathetic tone, as assessed by the Analgesia/Nociception Index (ANI), were measured before and after regional anesthesia. The parasympathetic tone and comfort scores evidenced a significantly greater increase in the hypnosis patients than in controls. These findings suggest that using conversational hypnosis during regional anesthesia may be followed by a subjective increase in patient comfort and an objective increase in parasympathetic tone, monitored by ANI. |
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