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Table 1 Details of intervention

From: Efficacy of electrical acupuncture on vascular cognitive impairment with no dementia: study protocol for a randomized controlled trial

 

Intervention group

Control group

Acupoints

DU20, EX-HN3, DU24, DU26, EX-HN1, DU17, HT7, PC6, GB20, SP6

DU20, EX-HN3, DU24, DU26, EX-HN1, DU17, HT7, PC6, GB20, SP6

Depth of insertion

DU20, DU17, EX-HN3, DU24, DU26, EX-HN1, GB20, HT7; 10 mm

SP6; 15 mm

No insertion

Needle type

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

Blunt-tip needle (Streitberger Placebo-needle)

Needle sensation

With de-qi sensation

Without de-qi sensation

Electric

stimulation

Needles on DU20 and EX-HN3 connected to G6805-2 Multi-Purpose Health Device (Shanghai Medical Instruments High-Techno, China), with electric pulse at a frequency of 2.5 Hz and an intensity of 45 mA

Needles on DU20 and EX-HN3 connected to G6805-2 Multi-Purpose Health Device (Shanghai Medical Instruments High-Techno, China), without electric pulse

Frequency and duration

Three sessions per week for 8 weeks

Three sessions per week for 8 weeks