Why the study?
Does conjugated estrogen replacement therapy affect heart rate variability and autonomic regulation in postmenopausal women?
Population
Healthy individuals divided into four groups: age-matched postmenopausal women without hormone replacement…
Comparison
Conjugated estrogen replacement therapy vs No hormone replacement therapy, men, and…
Design
Cross-sectional
Authors
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Conjugated estrogen was associated with favorable HRV shifts; hypothesis-generating and should not change practice without prospective data.
Does conjugated estrogen replacement therapy affect heart rate variability and autonomic regulation in postmenopausal women?
Conjugated estrogen replacement therapy in postmenopausal women appears to facilitate vagal and attenuate sympathetic regulation of heart rate, suggesting estrogen plays a key role in gender-related autonomic differences.
Liu et al. (2003) studied this question.
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