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Related Concept Videos

Assessment of blood pressure in brachial artery(one-step method)01:15

Assessment 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:
Assessment of blood pressure in brachial artery(two-step method)01:23

Assessment 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...
Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation01:21

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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...
Exercise and Cardiovascular Response01:20

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Autoregulation of Blood Flow01:17

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Autoregulation mechanisms are characterized by their inherent capacity for self-regulation without necessitating specific nervous stimulation or endocrine control. These mechanisms facilitate the adjustment of blood flow and, therefore, perfusion specific to each tissue region. This self-regulation encompasses chemical signals and myogenic controls.
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Pulse01:16

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Related Experiment Video

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Ultrasound Assessment of Endothelial-Dependent Flow-Mediated Vasodilation of the Brachial Artery in Clinical Research
08:42

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Published on: October 22, 2014

Whole-body periodic acceleration enhances brachial endothelial function.

Tetsuya Matsumoto1, Masatoshi Fujita, Yasuhiro Tarutani

  • 1Department of Cardiovascular and Respiratory Medicine, Shiga University of Medical Science, Seta Tsukinowa, Otsu 520-2192, Japan. tetsuyam@belle.shiga-med.ac.jp

Circulation Journal : Official Journal of the Japanese Circulation Society
|December 27, 2007
PubMed
Summary

Whole-body periodic acceleration significantly improved vascular endothelial function in sedentary adults. This novel approach may offer an alternative exercise option for individuals with physical activity limitations.

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Area of Science:

  • Cardiovascular physiology
  • Vascular biology
  • Exercise science

Background:

  • Repetitive spinal axis movement and periodic acceleration increase shear stress on vascular endothelium.
  • Endothelial dysfunction is linked to cardiovascular disease.
  • Sedentary lifestyles contribute to poor vascular health.

Purpose of the Study:

  • To assess if whole-body periodic acceleration enhances endothelial function in sedentary adults.
  • To evaluate a new device for applying periodic acceleration.
  • To determine the efficacy of periodic acceleration as a potential alternative to active exercise.

Main Methods:

  • Twenty-six sedentary adults participated in a 4-week crossover study.
  • Periodic acceleration was applied using a horizontal motion platform (2-3 Hz, +/-2.2 m/s2, 45 min).
  • Endothelial function was assessed via brachial artery diameter changes during reactive hyperemia (flow-mediated dilatation, %FMD) and nitroglycerin response (%NTG) using high-resolution ultrasound.

Main Results:

  • Periodic acceleration significantly increased flow-mediated dilatation (%FMD) from 7.3% to 8.4% (p<0.05).
  • Nitroglycerin-induced vasodilation (%NTG) remained unchanged.
  • No adverse side effects were reported, and resting heart rate, arterial pressure, body weight, and lipid profiles showed no significant changes.

Conclusions:

  • Whole-body periodic acceleration effectively improves vascular endothelial function in sedentary adults.
  • The horizontal motion platform device shows promise for enhancing vascular health.
  • This method could serve as a viable alternative to traditional exercise for individuals with physical limitations.