| Japanese |
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| Title | 低周波鍼通電刺激がヒトの心拍数に及ぼす影響―再現性および鍼刺入深度による影響の検討― |
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| Subtitle | 原著 |
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| Authors | 中原英博*, 川田徹**, 山本裕美***, 杉町勝**, 宮本忠吉* |
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| Organization | *森ノ宮医療大学保健医療学部, **国立循環器病センター研究所循環動態機能部, ***近畿大学医学部循環器内科 |
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| Journal | 循環制御 |
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| Volume | 31 |
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| Number | 1 |
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| Page | 28-35 |
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| Year/Month | 2010/7 |
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| Article | 原著 |
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| Publisher | 日本循環制御医学会 |
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| Abstract | 「要旨」本研究は, 8名の被験者の前腕部に対して鍼通電刺激を行い, 心拍応答とその応答の再現性および鍼刺入深度の影響を検討した. 刺激条件は, 方形波1V, 持続時間5ms, 刺入深度5mm, 刺激頻度2Hzで行った. 刺激プロトコールは, 先ず刺激なし2分, その後刺激あり2分の計4分を1サイクルとし, そのサイクルを3回繰返し行った. 再現性は, 各試行中の平均値を相関およびテスト―再テスト法により検討した. 5名の被験者に対して, 鍼刺入深度10mmで通電刺激を行った際の心拍応答も検討した. その結果, 鍼通電刺激は心拍数減少効果をもたらし, 試行回数を重ねることで再現性の高いデータが獲得された. また, 鍼刺入深度の影響は今回の検討範囲では認められなかった. |
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| Practice | 基礎医学・関連科学 |
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| Keywords | 鍼通電刺激, 心拍数, 再現性, electrical acupuncture, heart rate, reproducibility |
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| English |
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| Title | Effect of Low-Frequency Electrical Acupuncture on Heart Rate: Reproducibility and Influence of Stimulation Depth |
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| Authors | Hidehiro Nakahara*, Toru Kawada**, Hiromi Yamamoto***, Masaru Sugimachi**, Tadayoshi Miyamoto* |
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| Organization | *Morinomiya University of Medical Sciences, **National Cerebral and Cardiovascular Center Research Institute, ***Department of Internal Medicine, Kinki University School of Medicine |
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| Journal | Circulation Control |
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| Volume | 31 |
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| Number | 1 |
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| Page | 28-35 |
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| Year/Month | 2010/7 |
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| Article | Original article |
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| Publisher | Japan Society of Circulation Control in Medicine |
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| Abstract | The present study was conducted to evaluate the effect of electrical acupuncture (EA) stimulation on heart rate (HR) in humans, especially its reproducibility and the influence of stimulation depth. In eight healthy subjects, an acupuncture needle was inserted to a depth of 5 mm into Ximen (PC4) acupoint on the forearm. EA (5 ms, 1 V) was applied at 2-Hz pulse frequency for 120 sec. Three repeated trials of EA stimulation were performed. In 5 of 8 subjects, the acupuncture needle was also inserted to a depth of 10 mm to investigate the effect of depth of acupuncture stimulation. Two-way ANOVA demonstrated that there was a significant main effect of EA stimulation on HR (F1.7=11.6, p=0.011). The bradycardic effect of EA stimulation was highly correlated between the second and third trials. Similar decreases in HR during EA were found at stimulation depths of 5 and 10 mm, indicating that the bradycardic effect of EA was irrelevant to the depth of EA stimulation in this range. In conclusion, low-frequency EA lowered HR in humans and a highly reproducible HR response during EA was obtained with repeated trials. |
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| Practice | Basic medicine |
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| Keywords | electrical acupuncture, heart rate, reproducibility |
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