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Noninvasive Blood Pressure Measurement Techniques

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Source: Hamna J. Qureshi and Craig J. Goergen, Weldon School of Biomedical Engineering, Purdue University, West Lafayette, Indiana

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Sometimes we want to see how people change over time, as in studies of human development and lifespan. When we test the same group of individuals repeatedly over an extended period of time, we are conducting longitudinal research. Longitudinal research is a research design in which data-gathering is administered repeatedly over an extended period of time. For example, we may survey a group of individuals about their dietary habits at age 20, retest them a decade later at age 30, and then again...

Blood Pressure

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The movement of blood in a human body, commonly referred to as blood flow, is determined by the volume of blood that traverses a certain section of the bodily system per unit time. It is the rhythmic contraction of the heart's ventricles that primarily instigates this movement. As the ventricles contract, blood is forced into the prominent arteries, which then flow from areas of greater pressure to lower pressure areas. This movement continues into smaller arteries and arterioles and...

Blood Pressure

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Blood pressure (BP) is the pressure or force of blood exerted on the artery's walls as it circulates through the body. It is essential for maintaining blood flow throughout the body.
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Using Cholesky Decomposition to Explore Individual Differences in Longitudinal Relations between Reading Skills

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Related Experiment Video

Updated: Jan 20, 2026

Wireless and Noninvasive Blood Pressure Measurement System

Wireless and Noninvasive Blood Pressure Measurement System

Published on: April 30, 2023

Longitudinal association between adiposity and inter-arm blood pressure difference.

Francisco J Muñoz-Torres¹, Oelisoa M Andriankaja¹, José I Ruiz¹

¹Center for Clinical Research and Health Promotion, University of Puerto Rico Medical Sciences Campus, San Juan, Puerto Rico.

Journal of Clinical Hypertension (Greenwich, Conn.)

|September 7, 2019

Summary

This study found that higher body fat is linked to greater differences in blood pressure between arms. Managing adiposity could be key for public health, potentially reducing inter-arm blood pressure differences.

Keywords:

adiposity cardiovascular morbidity and mortality inter-arm blood pressure difference

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Last Updated: Jan 20, 2026

Wireless and Noninvasive Blood Pressure Measurement System

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Published on: April 30, 2023

Using Cholesky Decomposition to Explore Individual Differences in Longitudinal Relations between Reading Skills

Using Cholesky Decomposition to Explore Individual Differences in Longitudinal Relations between Reading Skills

Published on: September 17, 2019

Co-staining Blood Vessels and Nerve Fibers in Adipose Tissue

Co-staining Blood Vessels and Nerve Fibers in Adipose Tissue

Published on: February 13, 2019

Area of Science:

Cardiovascular Health
Obesity Research
Blood Pressure Monitoring

Background:

Inter-arm blood pressure difference (IAD) is a potential indicator of cardiovascular risk.
The association between adiposity and IAD has not been previously studied longitudinally.
Overweight and obesity are prevalent global health issues.

Purpose of the Study:

To investigate the longitudinal association between various measures of adiposity and inter-arm blood pressure difference (IAS and IAD).
To identify specific adiposity indicators most strongly associated with IAS and IAD.
To explore the potential public health impact of adiposity as a modifiable risk factor for IAD.

Main Methods:

Longitudinal study of 714 overweight/obese adults (40-65 years) over 3 years.
Simultaneous bilateral arm blood pressure measurements using automated devices.
Linear and Poisson regression analyses adjusted for covariates (age, gender, smoking, physical activity, HOMA-IR).

Main Results:

Adiposity measures were significantly associated with increased inter-arm systolic (IAS) and diastolic (IAD) blood pressure differences.
Neck circumference showed the strongest association with both IAS and IAD.
Higher quartiles of BMI, waist, neck, and arm circumferences were significantly associated with increased IAD.

Conclusions:

Adiposity is a significant factor associated with inter-arm blood pressure differences.
Specific measures like neck and arm circumference, along with general adiposity (BMI, waist), are linked to greater blood pressure discrepancies between arms.
Adiposity represents a potentially modifiable risk factor for inter-arm blood pressure difference, warranting further investigation and public health consideration.