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Hypnosis and anesthesia: back to the future.

Enrico Facco1,2

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Summary

Hypnosis enhances pain management by altering brain activity and increasing pain thresholds to surgical anesthesia levels. This drug-free technique offers significant benefits for perioperative care, reducing distress and improving outcomes.

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Area of Science:

  • Neuroscience
  • Psychology
  • Medical Hypnosis

Background:

  • Hypnosis, a state of focused attention and heightened imagination, was historically used as an anesthetic before pharmacological options emerged.
  • Modern research reveals hypnosis modulates brain regions involved in pain perception, including the prefrontal cortex and pain neuromatrix.
  • Studies demonstrate hypnosis can increase pain thresholds to levels comparable to surgical anesthesia.

Purpose of the Study:

  • To review the scientific evidence supporting hypnosis as an effective tool in pain management and perioperative care.
  • To highlight the neurophysiological mechanisms underlying hypnotic analgesia.
  • To explore the applications of hypnosis in surgical and postoperative settings.

Main Methods:

  • Review of recent studies investigating the effects of hypnosis on brain activity and pain perception.
  • Analysis of clinical data on hypnosis use in surgical interventions and patient recovery.
  • Examination of the impact of hypnosis on emotional distress, pain, and medication use.

Main Results:

  • Hypnosis significantly modifies prefrontal cortex and default mode network activity.
  • Hypnotic analgesia increases pain threshold to surgical anesthesia levels and reduces pain-related cardiovascular responses.
  • Evidence shows positive effects on perioperative emotional distress, pain, medication consumption, and surgical outcomes.

Conclusions:

  • Hypnosis is a safe, drug-free method for managing pain and distress during surgical procedures and recovery.
  • It can be used as a sole anesthetic, an adjunct to pharmacological anesthesia, or in pre- and postoperative care.
  • Hypnosis offers a cost-effective approach to improving patient care with no adverse events.