Korean J Anesthesiol.  2016 Dec;69(6):579-586. 10.4097/kjae.2016.69.6.579.

Comparison of effect of electroacupuncture and nefopam for prevention of postanesthetic shivering in patients undergoing urologic operation under spinal anesthesia

Affiliations
  • 1Department of Anesthesiology and Pain Medicine, Gyeongju Hospital, Dongguk University College of Medicine, Gyeongju, Korea. drtrue@medigate.net
  • 2Department of Acupuncture and Moxibustion Medicine, Dongguk University College of Medicine, Gyeongju, Korea.

Abstract

BACKGROUND
Shivering during spinal anesthesia is a frequent complication and is induced by the core-to-peripheral redistribution of heat. Nefopam has minimal side effects and prevents shivering by reducing the shivering threshold. Electroacupuncture is known to prevent shivering by preserving the core body temperature. We compared the efficacies of electroacupuncture and nefopam for the prevention of shivering during spinal anesthesia.
METHODS
Ninety patients scheduled for elective urological surgery under spinal anesthesia were enrolled in the study. Patients were randomly divided into the control group (Group C, n = 30), the electroacupuncture group (Group A, n = 30), and the nefopam group (Group N, n = 30). Groups C and A received 100 ml of isotonic saline intravenously for 30 minutes before spinal anesthesia, while Group N received nefopam (0.15 mg/kg) mixed in 100 ml of isotonic saline. Group A received 30 minutes of electroacupuncture before receiving anesthesia. Shivering scores, mean arterial pressure, heart rate, body temperature and side effects were recorded before, and at 5, 15, 30, and 60 minutes after spinal anesthesia.
RESULTS
The incidence of postanesthetic shivering was significantly lower in Group N (10 of 30) and Group A (4 of 30) compared with that in Group C (18 of 30)(P < 0.017). Body temperature was higher in Group N and Group A than in Group C (P < 0.05). Hemodynamic parameters were not different among the groups.
CONCLUSIONS
By maintaining body temperature during spinal anesthesia, electroacupuncture is as effective as nefopam in preventing postanesthetic shivering.

Keyword

Electroacupuncture; Nefopam; Shivering; Spinal anesthesia

MeSH Terms

Anesthesia
Anesthesia, Spinal*
Arterial Pressure
Body Temperature
Electroacupuncture*
Heart Rate
Hemodynamics
Hot Temperature
Humans
Incidence
Nefopam*
Shivering*
Nefopam
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