Body Structures Determining Differences in Forearm and Upper Arm Blood Pressures
Completed
Conditions studied: Blood Pressure
In brief
The first purpose of this study is to see how blood pressures taken at different sites, specifically the forearm, upper arm and heart vessels, are different. The second purpose is to see if body structures such as vessel size and depth, size of the arm, and amount of tissue in the arm influence differences in blood pressures taken at these sites. The third purpose is to develop a mathematical model of the waves generated by the arm arteries (brachial and radial) to predict differences in forearm and upper arm blood pressures. The results of the study may be used to design more accurate non-invasive blood pressure monitors for the forearm site.
Key facts
- Study ID
- NCT01087827
- Run by
- Christiana Care Health Services
- People needed
- 51
- Starts
- 2010-03-01
- Expected to finish
- 2012-08-01
- Last updated by the study team
- 2012-11-07
Who can join
Age: 18 and older. Sex: any. Healthy volunteers: not accepted.
You may qualify if…
- 18 years of age
- able to speak and write in English
You may not qualify if…
- Individuals with non-intact skin where the BP cuffs would be placed
- Individuals with injury or surgery to the arm within the last month
- Individuals with lymphedema in the limb selected for measurements
- Individuals with arteriovenous fistulas
- Individuals with differences > 5 mm Hg between right and left arm oscillometric systolic BP measurements
- Individuals with documented valvular disease
- Individuals with atrial fibrillation or atrial flutter (as recommended by BP device manufacturers due to device inaccuracy)
- Individuals with an International Normalized Ratio (INR) > 1.7
- Individuals with intravenous catheters in both arms
- Individuals who require immediate cardiac surgery or unanticipated emergency treatment or who are unstable during the procedure
Where it is running
- Christiana Hospital — Newark, Delaware, United States
Full record on ClinicalTrials.gov
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