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- Title
Randomised, controlled study of preoperative eletroacupuncture for postoperative pain control after cardiac surgery.
- Authors
Coura, Luiz Eduardo Faria; Manoel, Claudia Hideco Uratsuka; Poffo, Robinson; Bedin, Antonio; Westphal, Glauco Adrieno
- Abstract
Background: This study aims to evaluate the effects of preoperative electroacupuncture (EA) on the need for opioids in the postoperative stage of conventional cardiac surgery. Methods: A prospective, randomised and controlled study was conducted at Unimed Hospital Centre in Joinville, SC, Brazil. The day before the surgery, 32 patients undergoing cardiac surgery were randomised into two groups: patients from the treatment group received preoperative EA at bilateral points (LI4-LI11, LR3-ST36, PC6-TE5) for 30 min with alternating frequencies of 3 and 15 Hz. Patients from the control group received sham transcutaneous electrical nerve stimulation (TENS). Use of fentanyl during the postoperative period was measured. Results: 10 patients were excluded because of hemodynamic and ventilatory instability leaving 13 (10 male) in the treatment group and 9 (4 male) in the control group. The average total doses of fentanyl given were 13.1 ±2.2 and 16.3±1.6 μg/kg in the treatment and control groups respectively (p<0.002). The doses of patient controlled analgesia were 4.1 ±2.0 and 6.9±1.7μg/kg in the treatment and control groups respectively (p<0.003). The number of boluses issued also differed (treatment 13.9±7.0 vs control 24.8±7.0, p< 0.002). Pain intensity scores differed between the groups (treatment 2.5±1.1 vs control 4.0±2.0, p<0.04). One patient from the control group experienced drowsiness that justified a change in fentanyl infusion, as decided by the anaesthetist. Conclusion: Preoperative electro-acupuncture in conventional cardiac surgery may reduce the postoperative consumption of fentanyl.
- Subjects
BRAZIL; POSTOPERATIVE pain treatment; ANALYSIS of variance; COMPUTER software; ELECTROACUPUNCTURE; FENTANYL; CARDIAC surgery; LONGITUDINAL method; HEALTH outcome assessment; PATIENT-controlled analgesia; PREOPERATIVE care; T-test (Statistics); TRANSCUTANEOUS electrical nerve stimulation; STATISTICAL power analysis; DATA analysis; PAIN measurement; RANDOMIZED controlled trials; TREATMENT effectiveness; DRUG dosage
- Publication
Acupuncture in Medicine, 2011, Vol 29, Issue 1, p16
- ISSN
0964-5284
- Publication type
Journal Article
- DOI
10.1136/aim.2010.003251