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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.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Women | Other | Women ages 18-70 years will participate. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Propranolol Hydrochloride | Drug | Examine how IV propranolol impacts sympathetic transduction |
| |
| Measure | Description | Time Frame |
|---|---|---|
| Sympathetic transduction | Assessing the relative change in blood flow (Doppler ultrasound) following an increase in sympathetic nerve activity. | 1 day (single study visit) |
| Measure | Description | Time Frame |
|---|---|---|
| Blood flow | Measuring femoral artery blood flow using Doppler ultrasound. | 1 day (single study visit) |
| Muscle sympathetic nerve activity | Measuring the sympathetic nerve activity of the fibular nerve using a microelectrode . |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Jacqueline Limberg, PhD | Contact | 573-882-2420 | limbergj@missouri.edu |
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| University of Missouri | Recruiting | Columbia | Missouri | 65211 | United States |
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| ID | Term |
|---|---|
| D011433 | Propranolol |
| D010646 | Phentolamine |
| ID | Term |
|---|---|
| D050198 | Phenoxypropanolamines |
| D011412 | Propanolamines |
| D000605 | Amino Alcohols |
| D000438 | Alcohols |
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| Phentolamine Injection |
| Drug |
Examine how IV phentolamine impacts sympathetic transduction |
|
| 1 day (single study visit) |
| D009930 |
| Organic Chemicals |
| D020005 | Propanols |
| D000588 | Amines |
| D009281 | Naphthalenes |
| D011084 | Polycyclic Aromatic Hydrocarbons |
| D006841 | Hydrocarbons, Aromatic |
| D006844 | Hydrocarbons, Cyclic |
| D006838 | Hydrocarbons |
| D011083 | Polycyclic Compounds |
| D007093 | Imidazoles |
| D001393 | Azoles |
| D006573 | Heterocyclic Compounds, 1-Ring |
| D006571 | Heterocyclic Compounds |