Leistungsbereitschaft und vegetative Umstellung im Menstruationsrhythmus

Hildebrandt, G; A, Witzenrath

doi:10.1007/bf00698530

Cited by 4 publications

(1 citation statement)

References 19 publications

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“…Despite this importance, physiological knowledge about cardiac autonomic control during the normal menstrual cycle is scarce. In earlier studies, several physiological parameters connected to autonomic activity like heart rate (HR, Do¨ring and Feustel 1953;Hildebrandt and Witzenrath 1969;Kaplan et al 1990; Kirsch and Geer 1988;Little and Zahn 1974;Manhem and Jern 1994) or galvanic skin response (Kirsch and Geer 1988;Little and Zahn 1974) were studied during the menstrual cycle. In recent years, highly sensitive approaches such as measurement of HR variability (HRV) have become available, which facilitate non-invasive investigations of cardiac autonomic control (Appel et al 1989;Bigger et al 1992;Lehofer et al 1997;Moser et al 1994Moser et al , 1995Porges 1986).…”

Section: Introductionmentioning

confidence: 99%

Changes of respiratory sinus arrhythmia during the menstrual cycle depend on average heart rate

Seebauer

Frühwirth

Moser

2002

European Journal of Applied Physiology

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To evaluate the complex time course of changes in respiratory sinus arrhythmia (RSA) during the menstrual cycle, daily beat-to-beat morning recordings of heart rate (HR) were carried out in 26 healthy female subjects (age 20-29 years) during two menstrual cycles. For determination of fast, vagally mediated variations of HR we used a robust time-domain measure of RSA (logRSA). We found pronounced changes in HR during the menstrual cycle with a minimum in the early follicular phase and a maximum in the late luteal phase. There were large differences between individuals in the fluctuations of logRSA during the menstrual cycle that were related to average HR: subjects with a low HR exhibited higher values of logRSA in the luteal compared to the follicular phase, whereas the trend was reversed in subjects with a high HR. The difference of extreme points of logRSA fluctuations (early follicular and mid luteal phase) was correlated to average HR (r=-0.64, P < 0.001). We conclude that different patterns of RSA fluctuations occur depending on the level of average HR.

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