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著作: [伊東 進]/Yoshitaka kimura/[野村 昌弘]/Yuki Sawada/Naoko Muraoka/Nao Kohno/Evaluation of the effects of mastication and swallowing on gastric motility using electrogastrography/[The Journal of Medical Investigation : JMI]

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EID
147644
EOID
878482
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2017年12月4日(月) 14:07:58
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[学部長]/[徳島大学.総合科学部]
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種別 必須 学術論文(紀要その他)
言語 必須 英語
招待 推奨
審査 推奨
カテゴリ 推奨
共著種別 推奨
学究種別 推奨
組織 推奨
  1. 徳島大学.大学院ヘルスバイオサイエンス研究部.発達予防医歯学部門.病態予防医学講座(2004年4月1日〜)
著者 必須
  1. 伊東 進
    役割 任意
    貢献度 任意
    学籍番号 推奨
  2. (英) Yoshitaka kimura
    役割 任意
    貢献度 任意
    学籍番号 推奨
  3. 野村 昌弘
    役割 任意
    貢献度 任意
    学籍番号 推奨
  4. (英) Yuki Sawada
    役割 任意
    貢献度 任意
    学籍番号 推奨
  5. (英) Naoko Muraoka
    役割 任意
    貢献度 任意
    学籍番号 推奨
  6. (英) Nao Kohno
    役割 任意
    貢献度 任意
    学籍番号 推奨
題名 必須

(英) Evaluation of the effects of mastication and swallowing on gastric motility using electrogastrography

副題 任意
要約 任意

(英) The influence of mastication and swallowing on gastric motor function was evaluated by electrogastrography (EGG) and abdominal ultrasonography. The subjects were 30 elderly patients with tubal feeding without mastication and swallowing (T group) and 30 elderly controls who processed food by mastication and swallowing (C group). Gastric motor function was percutaneously examined before and after the ingestion of 250 ml of a liquid diet using an electrogastrograph (NIPRO EGG, A and D, Tokyo, Japan). The cross-sectional area of the gastric antrum was measured at 1 and 30 min after the start of ingestion of the liquid diet by external ultrasonography of the abdomen, and the gastric excretion function was evaluated. Furthermore, the spectral analysis of heart rate variability was performed using Holter electrocardiograms before and after ingestion. The low frequency power (LF power, 0.04-0.15 Hz), high frequency power (HF power, 0.15-0.40 Hz), and the LF/HF ratio were determined. The peak amplitude at 3 cycles per minute (cpm) was significantly increased after ingestion in the C and T groups (p<0.05), and the ratio of increase was significantly lower in the T group (p<0.05). The mean amplitude for the brady-gastria and tachy-gastria was significantly higher in the T group than in the C group (p<0.05). The gastric excretion function, as evaluated by external ultrasonography of the abdomen, was significantly lower in the T group than in the C group (p<0.05). An analysis of heart rate variability demonstrated that the HF power, a parameter of parasympathetic activity, after ingestion was significantly higher in the C group than in the T group (p<0.05). No changes in LF power or LF/HF ratio, parameters of sympathetic activity, were induced by ingestion in either the C or T groups. The parasympathetic nerve dominantly controls gastric motor function, but autonomic nervous activity is reduced in patients who are unable to masticate and swallow food, resulting in adverse effects on gastric motor function and excretion function. Mastication and swallowing not only prepare food for passage from the oral cavity to the esophagus but are also important in terms of subsequent events that occur in stomach. It has been proposed that autonomic nervous activity might be involved in mastication and swallowing.

キーワード 推奨
  1. (英) Abdomen
  2. (英) Aged
  3. (英) Aged, 80 and over
  4. (英) Autonomic Nervous System
  5. (英) Deglutition
  6. (英) Eating
  7. (英) Electrocardiography
  8. (英) Electrophysiology
  9. (英) Fasting
  10. (英) Female
  11. (英) Gastrointestinal Motility
  12. (英) Heart Rate
  13. (英) Humans
  14. (英) Male
  15. (英) Mastication
  16. (英) Middle Aged
  17. (英) Parasympathetic Nervous System
  18. (英) Stomach
発行所 推奨
誌名 必須 The Journal of Medical Investigation : JMI([徳島大学.医学部])
(pISSN: 1343-1420, eISSN: 1349-6867)
ISSN 任意 1343-1420
ISSN: 1343-1420 (pISSN: 1343-1420, eISSN: 1349-6867)
Title: The journal of medical investigation : JMI
Title(ISO): J Med Invest
Supplier: 徳島大学
Publisher: Tokushima Daigaku Igakubu
 (NLM Catalog  (Webcat Plus  (医中誌Web  (J-STAGE  (Scopus  (CrossRef (Scopus information is found. [need login])
必須 53
必須 3,4
必須 229 237
都市 任意
年月日 必須 2006年 8月 初日
URL 任意
DOI 任意 10.2152/jmi.53.229    (→Scopusで検索)
PMID 任意 16953059    (→Scopusで検索)
NAID 任意
WOS 任意
Scopus 任意
機関リポジトリ 110817
評価値 任意
被引用数 任意
指導教員 推奨
備考 任意
  1. (英) Article.Affiliation: Department of Digestive and Cardiovascular Medicine, Institute of Health Biosciences, The University of Tokushima Graduate School.

  2. (英) Article.PublicationTypeList.PublicationType: Journal Article