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Peripheral Artery Disease I: Introduction

Peripheral Artery Disease I: Introduction

Peripheral artery disease (PAD) predominantly results from atherosclerosis, which involves the accumulation of fatty deposits, or plaques, within the walls of arteries. This causes them to narrow and harden, significantly reducing blood flow. PAD predominantly affects the legs, particularly the arteries supplying the thighs and calves. In rare cases, it may involve other arteries, including those in the arms.Etiology of PAD:The principal cause of PAD is atherosclerosis, which results from fatty...

Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation

Peripheral 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...

Atherosclerosis II: Clinical Manifestations and Diagnostic Tests

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Atherosclerosis is a progressive disorder that leads to the thickening and narrowing of arterial walls due to plaque buildup. This condition can cause various symptoms depending on the arteries affected:Coronary Artery Disease (CAD): This condition affects the coronary arteries and may lead to chest pain (angina), shortness of breath (dyspnea), heart attacks, and other heart disease symptoms.Cerebrovascular Disease: This affects blood flow to the brain, causing transient ischemic attacks (TIAs)...

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Hypertension II: Pathophysiology

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Hypertension is a chronic condition in which the blood's force against artery walls is excessively high, posing risks such as heart disease. The condition's underlying mechanisms involve complex interactions among the cardiovascular, kidney, and autonomic nervous systems.Renin-Angiotensin-Aldosterone System (RAAS): This system significantly influences blood pressure regulation. When blood pressure decreases, the kidneys secrete renin. This enzyme transforms angiotensinogen, a plasma protein,...

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Related Experiment Video

Updated: Jun 1, 2026

Measuring the Stiffness of Ex Vivo Mouse Aortas Using Atomic Force Microscopy

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Published on: October 19, 2016

Arterial stiffness: from physiology to clinical implications.

Alberto Milan¹, Francesco Tosello, Ambra Fabbri

¹Department of Medicine and Experimental Oncology, Internal Medicine, Hypertension Unit, University of Turin, Turin, Italy. alberto.milan@unito.it

High Blood Pressure & Cardiovascular Prevention : the Official Journal of the Italian Society of Hypertension

|May 27, 2011

Summary

Arterial stiffness, measured by pulse wave velocity (PWV), is a key indicator of hypertension-related organ damage. While some drugs effectively manage central hemodynamics, their impact on PWV requires further investigation.

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Measuring the Stiffness of Ex Vivo Mouse Aortas Using Atomic Force Microscopy

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Published on: October 19, 2016

Measuring Ascending Aortic Stiffness In Vivo in Mice Using Ultrasound

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Published on: December 2, 2014

Area of Science:

Cardiology
Vascular Medicine
Hypertension Management

Background:

Arterial stiffness, assessed by pulse wave velocity (PWV), is recognized in European guidelines as an index of hypertension-related cardiovascular target organ damage.
Increased arterial stiffness impacts aortic hemodynamics, raising cardiac afterload and reducing coronary perfusion.
PWV is an independent predictor of cardiovascular events and mortality across diverse patient populations.

Purpose of the Study:

To review the role of PWV in assessing cardiovascular risk in hypertension.
To evaluate the efficacy of various therapeutic strategies in managing arterial stiffness.
To compare the effects of different drug classes on central hemodynamics and PWV.

Main Methods:

Literature review of studies on arterial stiffness, PWV, and hypertension management.
Analysis of clinical trial data and observational studies.
Comparison of drug classes targeting the renin-angiotensin-aldosterone system, calcium-channel blockers, and beta-blockers.

Main Results:

Therapies for arterial hypertension are crucial for managing increased PWV.
Drugs targeting the renin-angiotensin-aldosterone system and calcium-channel blockers show specific efficacy in controlling central hemodynamics.
Comparative data on the direct effects of these drug classes on PWV are limited.

Conclusions:

Arterial stiffness assessment via PWV is vital in hypertension management.
While certain antihypertensives improve central hemodynamics, their differential impact on PWV needs further research.
Additional studies are required to clarify the clinical and prognostic significance of drug-induced changes in arterial stiffness.