The investigators aim to assess the interactions between the sympathetic nervous system and the vasculature in women across the menopause transition to better understand why aging women have a higher risk of cardiovascular disease.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
BASIC_SCIENCE
Masking
NONE
Enrollment
75
Examine how IV propranolol impacts sympathetic transduction
Examine how IV phentolamine impacts sympathetic transduction
University of Missouri
Columbia, Missouri, United States
RECRUITINGSympathetic transduction
Assessing the relative change in blood flow (Doppler ultrasound) following an increase in sympathetic nerve activity.
Time frame: 1 day (single study visit)
Blood flow
Measuring femoral artery blood flow using Doppler ultrasound.
Time frame: 1 day (single study visit)
Muscle sympathetic nerve activity
Measuring the sympathetic nerve activity of the fibular nerve using a microelectrode .
Time frame: 1 day (single study visit)
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