ホットパック療法における治療時間の検討  [in Japanese] The study on therapeutic time in hotpack therapy  [in Japanese]

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Abstract

温熱療法は痛みの治療、循環の改善、筋緊張の緩解等の治療で、最もよく使われる治療法である。その温熱療法の中では、その手軽さからホットパック療法がよく使われる。ホットパック療法は、シリカゲルを厚手の布袋に詰めたものを熱水(80〜90℃)に浸した後、バスタオルでくるみ患部に当て、温熱刺激を与えるものである。シリカゲルは、多孔質で、比熱のきわめて高い物資で、水分を含んだシリカゲルは、ゲル状の半固形化することで、水分子の対流を防止する。このようなことから、比熱が高いので熱容量が大きく、また、対流をなくすことで、熱エネルギーをゆっくりと身体に伝えることができる。このホットパックの熱伝達の特徴を表面温、深部温、皮下血流量を指標として、ホットパック療法の最も適した治療時間を研究したものである。実験は、右下腿部にホットパック療法を30分間行なった時の表面温、深部温、皮下血流量を測定し、その変化から最適な治療時間を求めた。その結果、表面温は、治療開始後18分で最高温度に達し、その後9分間ほぼ同じ温度を保ち、治療終了後徐々に下降した。治療終了後30分においても治療前の温度よりも高い状態であった。深部温は、治療開始後26分で最高温度に達し、治療終了後1分まで同じ温度を保ち、その後徐々に下降した。治療終了後30分においても治療前の温度より高い状態であった。皮下血流量は、治療開始後30分において最高の増加を示し、その後、徐々に減少するが、治療終了後30分においても治療前より増加を示した。また、治療側と反対側の表面温と深部温を同時に測定し、その変化を調べた。その結果、非治療側の表面温、深部温のわずかな上昇をみた。以上のようなことから、ホットパック療法は、20〜30分の治療時間が必要と認められた。また、治療側と離れた部位の温熱刺激を行なうことができることも確認できた。

Thermotherapy is the most utilized medical treatment for curing pain, improving circulation, and alleviating muscular tension. Among various types of thermotherapy, hotpack therapy is often used because of its simplicity and ease of application. In hotpack therapy, thermal stimulus is given to the affected area using silica gel packed in a thick cloth bag, which is soaked in hot water (80-90℃) and then applied by wrapping with a bath towel. The silica gel used in this method is a porous substance that has an extremely high specific heat. In silica gel that contains water, convection of water molecules is prevented by semi-solidification in a gel state. The high specific heat gives the gel a large heat capacity, and the absence of convection makes it possible to convey the thermal energy to the body slowly. A study of the optimal treatment time for hotpack therapy was conducted using three indicators, namely, skin temperature, deep temperature, and blood flow under the skin, all of which are characteristics of heat transfer in hotpack therapy. The experiment was carried out by measuring the skin temperature, deep temperature, and blood flow under the skin when hotpack therapy was given on the lower right leg for 30min, and the optimal treatment time was obtained based on the changes in these indicators. The results revealed that the skin temperature reached its maximum 18min after starting the therapy, maintained the same temperature for 9min, and then gradually decreased after the completion of therapy. Skin temperature was higher 30min after the completion of therapy than before therapy. Deep temperature reached its maximum 26min after starting the therapy, maintained the same until 1min after the completion of therapy, and then gradually decreased. Deep temperature was higher 30min after completion of therapy than before therapy. The volume of blood flow under the skin increased to its maximum 30min after starting the therapy, and although it gradually decreased, the volume after the completion of therapy was higher than that before therapy. The skin temperature and deep temperature on the opposite side from the treated area were also measured at the same time to study the changes in other areas. Both skin temperature and deep temperature showed some rise on the opposite side. Based on these results, a hotpack therapy time of 20-30min is considered necessary. The results also confirmed that thermal stimulus by hotpack therapy is effective in parts at some distance from the treated area.

Journal

  • Bulletin of Paz College

    Bulletin of Paz College (4), 427-433, 2007-03

    Gumma Paz College

Cited by:  1

Codes

  • NII Article ID (NAID)
    110007045028
  • NII NACSIS-CAT ID (NCID)
    AA12090888
  • Text Lang
    JPN
  • Article Type
    Journal Article
  • Journal Type
    大学紀要
  • ISSN
    18802923
  • NDL Article ID
    9252687
  • NDL Source Classification
    ZS47(科学技術--医学--治療医学・看護学・漢方医学)
  • NDL Call No.
    Z74-E799
  • Data Source
    CJPref  NDL  NII-ELS 
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