Chronic Heart Failure Abolishes Circadian Rhythms in Resting and Chemoreflex Breathing

Robert Lewis, Bryan T. Hackfort, Harold D Schultz

Research output: Chapter in Book/Report/Conference proceedingChapter

1 Citation (Scopus)

Abstract

Physiological systems often display 24 h rhythms that vary with the light/dark cycle. Disruption of circadian physiological rhythms have been linked to the progression of various cardiovascular diseases, and advances in the understanding of these rhythms have led to novel interventions and improved clinical outcomes. Although respiratory function has been known to vary between the light and dark periods, circadian rhythms in breathing have been understudied in clinical conditions. In the current study, we have begun to assess light/dark variations in respiration in chronic heart failure (CHF), a condition associated with abnormal resting and chemoreflex breathing as well as exercise intolerance. CHF was induced using coronary artery ligation and verified using echocardiography. Sham animals underwent a thoracotomy without coronary artery ligation. Tidal volume, respiratory frequency, and minute ventilation were all determined by whole body plethysmography under resting conditions and in response to chemoreflex challenges during the light and dark periods. Light/dark differences in voluntary exercise were assessed using a running wheel. The sham control group showed light/dark differences in resting and chemoreflex breathing, as well as arterial pressure, and these effects were eliminated in the CHF group. Both groups completed more rotations on the running wheel during the dark period compared to during the light period. The data suggest that CHF disrupts cardiovascular and respiratory circadian rhythms.

Original languageEnglish (US)
Title of host publicationAdvances in Experimental Medicine and Biology
PublisherSpringer New York LLC
Pages129-136
Number of pages8
DOIs
StatePublished - Jan 1 2018

Publication series

NameAdvances in Experimental Medicine and Biology
Volume1071
ISSN (Print)0065-2598
ISSN (Electronic)2214-8019

Fingerprint

Circadian Rhythm
Respiration
Heart Failure
Light
Ligation
Coronary Vessels
Whole Body Plethysmography
Wheels
Plethysmography
Echocardiography
Tidal Volume
Photoperiod
Thoracotomy
Ventilation
Arterial Pressure
Cardiovascular Diseases
Animals
Control Groups

Keywords

  • Chronic heart failure
  • Chronobiology
  • Circadian rhythm
  • Plethysmography

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)

Cite this

Lewis, R., Hackfort, B. T., & Schultz, H. D. (2018). Chronic Heart Failure Abolishes Circadian Rhythms in Resting and Chemoreflex Breathing. In Advances in Experimental Medicine and Biology (pp. 129-136). (Advances in Experimental Medicine and Biology; Vol. 1071). Springer New York LLC. https://doi.org/10.1007/978-3-319-91137-3_16

Chronic Heart Failure Abolishes Circadian Rhythms in Resting and Chemoreflex Breathing. / Lewis, Robert; Hackfort, Bryan T.; Schultz, Harold D.

Advances in Experimental Medicine and Biology. Springer New York LLC, 2018. p. 129-136 (Advances in Experimental Medicine and Biology; Vol. 1071).

Research output: Chapter in Book/Report/Conference proceedingChapter

Lewis, R, Hackfort, BT & Schultz, HD 2018, Chronic Heart Failure Abolishes Circadian Rhythms in Resting and Chemoreflex Breathing. in Advances in Experimental Medicine and Biology. Advances in Experimental Medicine and Biology, vol. 1071, Springer New York LLC, pp. 129-136. https://doi.org/10.1007/978-3-319-91137-3_16
Lewis R, Hackfort BT, Schultz HD. Chronic Heart Failure Abolishes Circadian Rhythms in Resting and Chemoreflex Breathing. In Advances in Experimental Medicine and Biology. Springer New York LLC. 2018. p. 129-136. (Advances in Experimental Medicine and Biology). https://doi.org/10.1007/978-3-319-91137-3_16
Lewis, Robert ; Hackfort, Bryan T. ; Schultz, Harold D. / Chronic Heart Failure Abolishes Circadian Rhythms in Resting and Chemoreflex Breathing. Advances in Experimental Medicine and Biology. Springer New York LLC, 2018. pp. 129-136 (Advances in Experimental Medicine and Biology).
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