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Interarm blood pressure differences in the women's interagency HIV study
Jason Lazar1, Susan Holman, Howard L Minkoff
1Cardiovascular Medicine, State University of New York Downstate Medical Center, Brooklyn, New York 11203, USA. jason.lazar@downstate.edu
AIDS Research and Human Retroviruses
|May 30, 2008
Summary
Large blood pressure differences between arms are common in women, regardless of HIV status. These differences, linked to cardiovascular risks like obesity, highlight the need for bilateral blood pressure measurement for accurate hypertension diagnosis.
Area of Science:
- Cardiovascular Health
- HIV Medicine
- Clinical Diagnostics
Background:
- Hypertension affects 8-32% of individuals with HIV.
- Large interarm blood pressure differences (IABPD) can lead to inaccurate blood pressure status classification.
- Accurate blood pressure measurement is crucial for managing hypertension and cardiovascular risk.
Purpose of the Study:
- To determine the magnitude of IABPD in HIV-infected women and uninfected controls.
- To identify factors associated with IABPD in this population.
- To assess the clinical significance of IABPD for hypertension detection and cardiovascular risk assessment.
Main Methods:
- Two automated blood pressure (BP) recordings were taken and averaged from each arm in 335 women (238 HIV-infected, 97 uninfected).
- Absolute IABPD was calculated for each participant.
- Statistical analyses were performed to identify associations between IABPD and various factors, including HIV status, CD4(+) cell count, antiretroviral therapy use, and cardiovascular risk factors.
Main Results:
- Mean systolic IABPD was 6 ± 5 mm Hg and mean diastolic IABPD was 4 ± 3 mm Hg.
- Twenty-six percent of subjects had systolic IABPD >10 mm Hg; 6% had systolic IABPD >20 mm Hg.
- Fifteen percent had diastolic IABPD >10 mm Hg.
- Systolic IABPD >20 mm Hg was associated with obesity and high LDL cholesterol.
- Bilateral BP measurement increased hypertension detection yield from 10% to 15% compared to single-arm measurement.
Conclusions:
- Systolic and diastolic IABPD are common and clinically significant in women, irrespective of HIV status.
- IABPD is associated with cardiovascular risk factors (obesity, high LDL) but not with HIV-related factors.
- Bilateral blood pressure measurement is essential for accurate hypertension detection, management, and cardiovascular risk assessment.
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01:10Pre-Procedural Guidelines for Assessing Blood Pressure
Accurate blood pressure assessment is crucial for diagnosing and managing various health conditions. To ensure the reliability of these measurements, healthcare professionals must adhere to standardized pre-procedural guidelines. These guidelines enhance patient safety and improve the overall quality of healthcare. The following steps are essential for obtaining accurate and consistent blood pressure readings, from using the appropriate tools to ensuring effective communication with the patient.
01:28Special considerations while measuring blood pressure
When assessing blood pressure (BP), healthcare professionals must consider various factors and potential unexpected outcomes to ensure accurate readings and provide proper patient care. Adhering to these guidelines is essential to achieving the most reliable results.
Monitoring Both Arms:
Monitoring BP in both arms during the initial assessment is advisable, as the systolic value may differ by five to ten mm Hg between arms. For subsequent BP assessments, use the arm with the higher reading.
Monitoring Both Arms:
Monitoring BP in both arms during the initial assessment is advisable, as the systolic value may differ by five to ten mm Hg between arms. For subsequent BP assessments, use the arm with the higher reading.
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Prepare for the Procedure:
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