Transfer function analysis of heart rate variability in response to water intake: Correlation with gastric myoelectrical activity

C. L. Chen, Hans Hsienhong Lin, William C. Orr, Cheryl C H Yang, Terry B J Kuo

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

We utilized transfer function analysis of heart rate variability (HRV) and respiration to investigate the effect of water intake on gastric myoelectrical activity and its relationship to vagal activity. The electrogastrography (EGG) and HRV were recorded simultaneously before and after drinking 500 ml of water in 10 healthy subjects. We observed good linearity between lung volumes and HRV signals at a ventilatory rate between 0.2 and 0.4 Hz before and after water intake. The EGG power of 3 cycles/min increased remarkably after the water intake. We found that there was a significant increase in the magnitude of the respiration-HRV transfer function after water intake (P < 0.05). The EGG 3 cycles/min power was positively correlated with the transfer magnitude throughout the study (r = 0.54, P = 0.01). These results confirm that transfer function analysis of HRV sensitively identifies subtle changes in the respiratory sinus arrhythmia that occurs with water intake. The present findings suggest that transfer function analysis of HRV and respiration after water intake can be used to evaluate vagal nervous activity in the human gut.

Original languageEnglish
Pages (from-to)2226-2230
Number of pages5
JournalJournal of Applied Physiology
Volume96
Issue number6
DOIs
Publication statusPublished - Jun 2004
Externally publishedYes

Fingerprint

Drinking
Stomach
Heart Rate
Respiration
Respiratory Rate
Human Activities
Healthy Volunteers
Lung
Water

Keywords

  • Autonomic nervous system
  • Frequency domain
  • Respiration

ASJC Scopus subject areas

  • Physiology
  • Endocrinology
  • Orthopedics and Sports Medicine
  • Physical Therapy, Sports Therapy and Rehabilitation

Cite this

Transfer function analysis of heart rate variability in response to water intake : Correlation with gastric myoelectrical activity. / Chen, C. L.; Lin, Hans Hsienhong; Orr, William C.; Yang, Cheryl C H; Kuo, Terry B J.

In: Journal of Applied Physiology, Vol. 96, No. 6, 06.2004, p. 2226-2230.

Research output: Contribution to journalArticle

Chen, C. L. ; Lin, Hans Hsienhong ; Orr, William C. ; Yang, Cheryl C H ; Kuo, Terry B J. / Transfer function analysis of heart rate variability in response to water intake : Correlation with gastric myoelectrical activity. In: Journal of Applied Physiology. 2004 ; Vol. 96, No. 6. pp. 2226-2230.
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