Related Experiment Video
Updated: May 9, 2026
08:50
Assessment of Vascular Function in Patients With Chronic Kidney Disease
Published on: June 16, 2014
Post-exercise ankle-brachial pressure index demonstrates altered endothelial function in the elderly.
Shinji Sato1, Kozue Masami, Shingo Otsuki
1Department of Sport and Health Science, Osaka Sangyo University, Osaka, Japan.
Japanese Clinical Medicine
|July 26, 2013
Summary
A decrease in post-exercise ankle-brachial pressure index (ABI) is linked to endothelial dysfunction in older adults. This post-exercise ABI measurement may serve as a simple marker for assessing vascular health.
Area of Science:
- Cardiovascular Research
- Geriatric Medicine
- Vascular Biology
Background:
- The ankle-brachial pressure index (ABI) is a standard measure for peripheral arterial disease.
- Post-exercise ABI assessment enhances diagnostic sensitivity for atherosclerotic vascular damage.
- The association between post-exercise ABI changes and endothelial dysfunction remains unclear.
Purpose of the Study:
- To investigate the relationship between post-exercise ankle-brachial pressure index (ABI) values and endothelial dysfunction in an elderly population.
- To explore whether a decrease in post-exercise ABI correlates with impaired endothelial function.
Main Methods:
- The study included 35 elderly participants (age 51-77) without peripheral arterial disease or heart failure.
- Ankle-brachial pressure index (ABI) was measured at rest and immediately after a brief exercise protocol.
- Endothelial function was assessed using ultrasound to measure brachial artery flow-mediated vasodilation (FMD).
Main Results:
- No significant correlation was found between resting ABI and flow-mediated vasodilation (FMD).
- A strong correlation (r = -0.52, P = 0.01) was observed between FMD and the decrease in post-exercise ABI.
- A prediction equation for FMD based on post-exercise ABI decrease showed significant correlation with measured FMD (R(2) = 0.27, P = 0.001).
Conclusions:
- A decrease in post-exercise ankle-brachial pressure index (ABI) is strongly associated with endothelial dysfunction in the elderly.
- Post-exercise ABI may serve as a practical surrogate marker for endothelial function in older individuals.
- Larger studies are needed to validate these findings.
Related Concept Videos
01:21Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation
Clinical manifestationsPeripheral Arterial Disease (PAD) manifests through a range of symptoms, from the characteristic intermittent claudication to atypical presentations and severe complications in advanced stages. Intermittent claudication, a hallmark symptom of PAD, presents as exercise-induced muscle pain that typically resolves within minutes of rest. This pain is reproducible and stems from inadequate blood flow, leading to the accumulation of lactic acid produced during anaerobic...
01:21Sites for measuring blood pressure
Blood pressure measurement is a fundamental clinical procedure, providing crucial data for assessing cardiovascular health. Among the various sites for this measurement, the brachial and popliteal arteries are predominantly utilized due to their accessibility and the reliability of their readings. This lesson delves into the anatomical significance, methodology, and considerations of measuring blood pressure at these locations.
The Brachial Artery: Primary Site for Blood Pressure Measurement
The Brachial Artery: Primary Site for Blood Pressure Measurement
01:23Assessment of blood pressure in brachial artery(two-step method)
Measuring blood pressure is a fundamental skill in healthcare that aids in diagnosing and monitoring hypertension and other cardiovascular conditions. An aneroid sphygmomanometer, commonly used in clinical settings, offers a manual and precise method for blood pressure measurement. The technique for using this instrument involves specific steps that must be carefully executed to ensure accuracy. The following detailed description outlines a two-step technique for assessing blood pressure using...
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.
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.
01:15Assessment of blood pressure in brachial artery(one-step method)
This procedural guide systematically measures blood pressure using an oscillometric digital sphygmomanometer, emphasizing accuracy, patient safety, and comfort.
Prepare for the Procedure:
Prepare for the Procedure: