Table 1 Basic characteristics of the included literatures
Author & year | Species | Age | Weight | Sample size | Group | Intervention measures | Outcome measures | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Experimental group | Control group | Experimental group | Control group | Experimental group | Control group | |||||||
Waveform frequency | Treatment duration | Acupoints | Model method | |||||||||
Bu Yu, 2021 [20] | SD | Not provided | 280–300 g | 9 | 10 | Electroacupuncture | Model | Continuous wave 20 Hz | 20 min/day for 20 days | GV24, GB13 | 4VO | ①, ② |
Chen Yinghua, 2019 [21] | SD | 2–3 months | 220 ± 30 g | 24 | 24 | Electroacupuncture with hand needle | Model | Continuous wave 2 Hz | 30 min/day for 21 days | Bilateral EX-HN1, bilateral GB20 | 4VO | ① |
Chen Lewen, 2021 [22] | SD | Not provided | 280 ± 30 g | 8 | 8 | Electroacupuncture | Model | Sparse-dense waves 4/20 Hz | 30 min/day for 24 days | Bilateral EX-HN1, bilateral GB20 | 2VO | ① |
Dong Juan, 2017 [23] | SD | 2–3 months | 200 ± 20 g | 10 | 10 | Manual acupuncture | Model | Not provided | 20 min/day for 15 days | GV20, GV24 | Modified 2VO nimodipine | ①, ② |
Feng Delin, 2015 [24] | SD | Not provided | 180–220 g | 8 | 8 | Electroacupuncture | Model | Continuous wave 3 Hz | 20 min/day for 5 days | GV16, GV20, GV26, CV12, CV4 | 4VO | ①, ② |
Jia Shiqi, 2009 [25] | SD | Not provided | 250–300 g | 10 | 10 | Electroacupuncture | Model | Continuous wave 10 Hz | 10 min/day for 20 days | GV20, GV14 | Modified 2VO nimodipine | ①, ② |
Li Min, 2006 [26] | SD | 2 months | 200–300 g | 14 | 13 | Electroacupuncture | Model | Continuous wave 150 Hz | 20 min/day for 20 days | LI15, SJ5, ST31, ST36 | 4VO | ①, ② |
Li Min, 2010 [27] | SD | 2 months | 180–220 g | 12 | 12 | Electroacupuncture | Model | Continuous wave 150 Hz | 30 min/day for 15 days | GV20, GV14 | 4VO | ①, ② |
Li Xinhua, 2018 [28] | SD | Not provided | 400 g ± 10 g | 10 | 10 | Manual acupuncture | Model | Not provided | 30 min/day for 15 days | GV20, GV14, BL23 | Modified 2VO nimodipine | ① |
Li Hua, 2019 [29] | SD | Not provided | 280–300 g | 15 | 15 | Electroacupuncture | Model | Continuous wave 20 Hz | 20 min/day for 20 days | GV16, GV20, GV26, CV4 | 4VO | ①, ② |
Shao Ying, 2008 [30] | SD | Not provided | 180–220 g | 9 | 8 | Electroacupuncture | Model | Continuous wave 150 Hz | 20 min/day for 15 days | GV24, GB13 | 4VO | ①, ② |
Tang Zhongsheng, 2011 [31] | SD | Not provided | 280–300 g | 10 | 11 | Electroacupuncture | Model | Continuous wave 150 Hz | 20 min/day for 20 days | GV24, GB13 | 4VO | ①, ② |
Wang Li, 2002 [32] | SD | 2 months | 200–250 g | 14 | 13 | Electroacupuncture | Model | Continuous wave 150 Hz | 20 min/day for 15 days | GV20, GV14 | 4VO | ①, ② |
Wang Li, 2007 [33] | SD | 2–3 months | 200–250 g | 12 | 11 | Electroacupuncture | Model | Continuous wave 50 Hz | 20 min/day for 15 days | GV20, GV14 | 4VO | ①, ② |
Wei Dengming, 2011 [34] | SD | Not provided | 200–250 g | 10 | 10 | Electroacupuncture | Model | Continuous wave 50 Hz | 20 min/day for 10 days | GV20, GV14 | Modified 2VO nimodipine | ①, ② |
Wei Yuwei, 2021 [35] | SD | Not provided | 300–350 g | 13 | 13 | Electroacupuncture | Model | Continuous wave 20 Hz | 20 min/day for 20 days | GV24, GB13 | 4VO | ①, ② |
Xu Pan, 2022 [46] | Wistar | 8 weeks | 280 ± 20 g | 12 | 13 | Manual acupuncture | Model | Not provided | 30 s/day for 15 days | CV17, CV12, CV6, SP10, ST36 | 2VO | ①, ② |
Yan Bing, 2006 [36] | SD | Not provided | 280–300 g | 9 | 7 | Electroacupuncture | Model | Continuous wave 150 Hz | 20 min/day for 15 days | GV20, GV14, BL23, BL20 | 4VO | ①, ② |
Zhang Guannan, 2011 [47] | Wistar | Not provided | 170–230 g | 12 | 12 | Electroacupuncture with hand needle | Model | Sparse-dense waves 2 Hz | 10 min/day for 15 days | GV20, GV14 | Modified 2VO nimodipine | ① |
Zheng Jie, 2009 [48] | Wistar | 2 months | 212 ± 15 g | 7 | 8 | Electroacupuncture | Model | Sparse-dense waves 2 Hz | 20 min/day for 30 days | GV20, GV14 | 2VO | ① |
Yz Zhu, 2012 [37] | SD | 12 months | 400 ± 30 g | 12 | 10 | Electroacupuncture | Model | Continuous wave 4 Hz | 20 min/day for 30 days | GV20, KI3 | 2VO | ① |
Cao Yajun, 2023 [39] | SD | Not provided | 250 ± 10 g | 6 | 6 | Electroacupuncture | Model | Not provided | 20 min/day for 12 days | GV20, GV24 | 2VO | ①, ② |
Chen Yang, 2024 [40] | SD | 2 months | 250 ± 20 g | 12 | 12 | Manual acupuncture | Model | Not provided | 30 min/day for 15 days | GV20, BL23, ST40 | 2VO | ①, ② |
Li Xinhua, 2023 [41] | SD | 2–3 months | 210 ± 10 g | 9 | 10 | Manual acupuncture | Model | Sparse wave 1–20 Hz | 30 min/day for 14 days | GV16, GV20, GV26, CV4, CV12 | 2VO | ①, ② |
Li Xiaoxiao, 2024 [42] | SD | 6 weeks | 260 ± 20 g | 10 | 10 | Electroacupuncture | Model | Sparse wave 200 Hz | 30 min/day for 14 days | GV20, GV24, GB13, EX-HN1 | 2VO | ①, ② |
Ma Shuai, 2024 [43] | SD | 8 weeks | 160–200 g | 6 | 6 | Electroacupuncture | Model | Not provided | 30 min/day for 14 days | GV20, GV16, GV14 | 2VO | ①, ② |
Peng Caiyu, 2024 [44] | SD | 6 months | 230 ± 10 g | 12 | 12 | Manual acupuncture | Model | Continuous wave 2 Hz | 30 min/day for 21 days | GV4, GV14, GV16, GV20, GV24, GV26, PC6, PC7, PC8 | 2VO | ① |
Sun Wei, 2024 [45] | SD | 8 weeks | 260–280 g | 12 | 12 | Electroacupuncture | Model | Not provided | 20 min/day for 12 days | Bilateral EX-HN1, bilateral GB20 | 4VO | ①, ② |