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The control of postoperative pain by EMG biofeedback in patients undergoing hysterectomy.

Authors
  • Moon, M H
  • Gibbs, J M
Type
Published Article
Journal
The New Zealand medical journal
Publication Date
Sep 26, 1984
Volume
97
Issue
764
Pages
643–646
Identifiers
PMID: 6382079
Source
Medline
License
Unknown

Abstract

Electromyographic (EMG) measurements from the forehead and rectus abdominis areas were undertaken in a group of patients presenting for elective hysterectomy. The efficacy of EMG auditory feedback as a means of inducing relaxation so as to modify the dose of postoperative analgesia was examined and compared with the dose in subjects having EMG measurements without audiofeedback. Comparison was also made with a group of subjects who did not have EMG measurements. Subjects in those groups who were given relaxation instruction received less postoperative analgesia than subjects not receiving this treatment. A reduction in EMG activity was demonstrated with auditory feedback, but this did not relate directly to reduced analgesic administration after surgery.

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