Journal of Life Science (생명과학회지)

Korean Society of Life Science (한국생명과학회)
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Effect of Abdominal Respiration on the Electrical Axis of ECG in Young Adults

복식호흡이 젊은 성인의 심전도축에 미치는 영향

  • Youn, Ryea-Min (Department of Biomedical Laboratory Science, Center of Smart Foods and Drugs, Inje University) ;
  • Kim, Young-Sik (Department of Biomedical Laboratory Science, Center of Smart Foods and Drugs, Inje University) ;
  • Yoon, Im-Sil (Department of Biomedical Laboratory Science, Center of Smart Foods and Drugs, Inje University) ;
  • Jung, Han-Na (Department of Biomedical Laboratory Science, Center of Smart Foods and Drugs, Inje University) ;
  • Nam, Jeong-Su (Department of Biomedical Laboratory Science, Center of Smart Foods and Drugs, Inje University) ;
  • Yoon, Joong-Soo (Department of Biomedical Laboratory Science, Center of Smart Foods and Drugs, Inje University) ;
  • Lee, Won-Joon (Department of Medical Laboratory Science, Sorabol College) ;
  • Choi, Hyun-Ju (Department of Biomedical Laboratory Science, Center of Smart Foods and Drugs, Inje University)
  • 윤려민 (인제대학교 임상병리학과 식의약생명공학센터) ;
  • 김영식 (인제대학교 임상병리학과 식의약생명공학센터) ;
  • 윤임실 (인제대학교 임상병리학과 식의약생명공학센터) ;
  • 정한나 (인제대학교 임상병리학과 식의약생명공학센터) ;
  • 남정수 (인제대학교 임상병리학과 식의약생명공학센터) ;
  • 윤중수 (인제대학교 임상병리학과 식의약생명공학센터) ;
  • 이원준 (서라벌대학 임상병리과) ;
  • 최현주 (인제대학교 임상병리학과 식의약생명공학센터)
  • Received : 2010.02.01
  • Accepted : 2010.03.08
  • Published : 2010.05.31
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Abstract

The effect of abdominal respiration on electrocardiogram readings was examined using a 12-lead ECG in healthy young adults. Ten males and ten females without any cardiac and/or pulmonary problems participated in this study. ECG readings during periods of abdominal respiration and thoracic respiration were compared using a paired t-test. Results showed that the PR interval was longer in males compared to females during the period of abdominal respiration (p<0.05). There were no differences in amplitudes of the P, R, T waves, QTc, and degree of P axis between abdominal respiration and thoracic respiration in both male and female subjects. However, degrees of QRS axis in male subjects (p<0.05) and T axis (p<0.05) in female subjects were increased during the abdominal respiration. Therefore, abdominal respiration may cause positive electrical axis changes in the depolarization and relaxing re-polarization of the ventricles.

복식호흡은 혈압의 하강이나 심리적 진정 효과를 위한 이완 요법으로 사용되고 있는데, 이는 복식호흡이 자율신경계에 영향을 미치기 때문이다. 그러나 복식호흡으로 인한 심장의 전위 변화에 대해서는 연구가 전무하다. 따라서 본 연구에서는 복식호흡을 할 때에 심전도상의 변화를 건강한 젊은 남자 10명(평균$22.40{\pm}2.5$세)과 여자 10명(평균 $20.9{\pm}0.9$세)을 대상으로 알아보고자 하였다. 본 연구의 결과, P, R, T 진폭과, QTc 간격이 남녀 모두에서 복식호흡과 흉식호흡간의 차이가 없었다. 그러나 복식호흡 시에 PR 간격은 남자가 여자보다 유의하게 길었다. 심장 전기축에서 P축은 호흡 방식에 따라서 영향을 받지 않았으나, 남자에서는 복식호흡에서 심장의 QRS축이 증가하였고, 여자는 T 전기축이 증가하였다. 따라서 복식호흡은 심실이 탈분극과 이완되는 재분극 시의 전기축에 유의한 영향을 미치는 것으로 나타났다.

Keywords

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