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Caffeine Enhances Heart Rate Variability in Middle-Aged Healthy, But Not Heart Failure Subjects.

Journal of caffeine research

Notarius CF, Floras JS.
PMID: 24761268
J Caffeine Res. 2012 Jun;2(2):77-82. doi: 10.1089/jcr.2012.0010.

BACKGROUND: In chronic heart failure (CHF) due to left ventricular dysfunction, diminished heart rate variability (HRV) is an independent predictor of poor prognosis. Caffeine has been shown to increase HRV in young healthy subjects. Such an increase may be...

Heart failure-specific inverse relationship between the muscle sympathetic response to dynamic leg exercise and .

Applied physiology, nutrition, and metabolism = Physiologie appliquee, nutrition et metabolisme

Keir DA, Notarius CF, Badrov MB, Millar PJ, Floras JS.
PMID: 33735589
Appl Physiol Nutr Metab. 2021 Sep;46(9):1119-1125. doi: 10.1139/apnm-2020-1074. Epub 2021 Mar 18.

During 1-leg cycling, contralateral muscle sympathetic nerve activity (MSNA) falls in healthy adults but increases in most with reduced ejection fraction heart failure (HFrEF). We hypothesized that their peak oxygen uptake (

Showing 1 to 2 of 2 entries