Effects of breathing frequency on the heart rate deceleration capacity and heart rate acceleration capacity

Yong Ping Wang, Terry B.J. Kuo, Chun Ting Lai, Cheryl C.H. Yang

研究成果: 雜誌貢獻文章

6 引文 (Scopus)

摘要

Purpose: The deceleration capacity (DC) and acceleration capacity (AC) of heart rate as well as the respiratory rate predict outcome after acute myocardial infarction. We evaluated the relation between breathing frequency and both DC and AC, as well as the difference between them. Methods: We studied fourteen healthy young adults who breathed spontaneously and controlled their breathing to rates of 0.1, 0.2, 0.3, and 0.4 Hz in a supine position. A 5-min R–R interval time series without movement artifacts or ectopic beats was obtained from each studied period and scanned to identify the anchor points that were characterized by a value longer or shorter than the preceding value. Averaged changes of R–R intervals surrounding the deceleration and acceleration anchors were calculated as DC and AC, respectively. Results: The magnitudes of DC and AC increased progressively as breathing frequency decreased (Both p < 0.001 by one-way repeated-measures analysis of variance). The magnitude of DC was larger than the magnitude of AC during 0.1-Hz breathing (95 % confidence interval of their difference: 1.7–9.7 ms), while the difference between them reduced to near zero at higher frequencies. Conclusions: Slow breathing enhances the magnitudes of DC and AC simultaneously under the conditions used in this study. The increase in the magnitude of DC is significantly greater than that of AC.

原文英語
頁(從 - 到)2415-2420
頁數6
期刊European Journal of Applied Physiology
115
發行號11
DOIs
出版狀態已發佈 - 十一月 1 2015
對外發佈Yes

指紋

Deceleration
Respiration
Heart Rate
Supine Position
Respiratory Rate
Artifacts
Young Adult
Analysis of Variance
Myocardial Infarction
Confidence Intervals

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine
  • Public Health, Environmental and Occupational Health
  • Physiology (medical)

引用此文

Effects of breathing frequency on the heart rate deceleration capacity and heart rate acceleration capacity. / Wang, Yong Ping; Kuo, Terry B.J.; Lai, Chun Ting; Yang, Cheryl C.H.

於: European Journal of Applied Physiology, 卷 115, 編號 11, 01.11.2015, p. 2415-2420.

研究成果: 雜誌貢獻文章

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