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Table 2 Treatment methods of electroacupuncture and acupoints

From: Electroacupuncture for postoperative pain after nasal endoscopic surgery: study protocol for a pilot randomized controlled trial

 

EA group

SEA group

Acupoints

All sessions: LI4, PC6, HT7, LI20, ST36, GV23

Postoperatively: GV20, GV29, EX-HN22, SP6

All sessions: LI4, PC6, HT7, LI20, ST36, GV23

Postoperatively: GV20, GV29, EX-HN22, SP6

Depth of insertion

10 mm: HT7, GV20, GV23, GV29, LI4, LR3

No insertion

30 mm: LI20, SP6, PC6, ST36

Needle type

Steel needles (Wuxi Jiajian Medical Co. Ltd. Wuxi, China)

Blunt needles (Streitberger placebo needle)

Needle sensation

With de-qi sensation

Without de-qi sensation

Electric stimulation

Three pairs of needles:

LI4–ST36 (bilaterally), GV20–GV23

Connected to an electric stimulator

(HANS-200B)

Deliver continuous wave-type mid-frequency (15Hz) current of 2 mA

Three pairs of needles:

LI4–ST36 (bilaterally), GV20–GV23

Connected to an electric stimulator

(HANS-200B)

No electrical current delivered

  1. EA electroacupuncture, SEA sham electroacupuncture