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Related Concept Videos

Peripheral Artery Disease I: Introduction01:30

Peripheral Artery Disease I: Introduction

22
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...
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Peripheral Artery Disease III: Interprofessional Care01:27

Peripheral Artery Disease III: Interprofessional Care

19
Peripheral Artery Disease (PAD) is characterized by narrowed arteries that diminish blood flow to the extremities. Effective management of PAD requires an interprofessional approach involving various healthcare professionals. The critical aspects of interprofessional care for PAD patients focus on risk factor modification, drug therapy, exercise therapy, nutrition therapy, critical limb ischemia care, and interventional radiology and surgical procedures.The primary treatment goal for PAD...
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Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation01:21

Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation

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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...
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Peripheral Artery Disease V: Postoperative Nursing Management01:23

Peripheral Artery Disease V: Postoperative Nursing Management

17
During the postoperative period, it is crucial to focus on maintaining circulation, identifying and managing potential complications, and planning for discharge.Nursing AssessmentVital signs monitoring: Regularly monitor vital signs, including blood pressure, heart rate, respiratory rate, and temperature, to detect early signs of complications such as bleeding and infection.Circulation assessment: Monitor pulses, perform Doppler assessments, and check capillary refill, color, temperature, and...
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Vascular Spasm01:16

Vascular Spasm

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The vascular phase, also known as vasospasm, is the initial stage of hemostasis, crucial for preventing excessive bleeding when a blood vessel is injured. After a vessel is cut, nerves in the damaged area trigger pain and other sensory impulses. Simultaneously, the smooth muscles in the vessel wall contract, resulting in a vascular spasm. This contraction reduces the vessel's diameter at the injury site, slowing or stopping blood loss through the vessel wall. Vascular spasms typically last...
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Ischemic Heart Disease: Overview01:17

Ischemic Heart Disease: Overview

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Ischemic heart disease occurs when the heart's blood supply dwindles, causing an ominous lack of oxygen and nutrients. This deficiency, stemming from reduced or obstructed blood flow, spells danger, leading to heart muscle damage and dysfunction.
Atherosclerosis, the primary malefactor, orchestrates this dangerous condition. It manifests as the accumulation of fatty deposits, akin to insidious plaques, within arterial walls. As time elapses, these plaques metamorphose, hardening and...
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Related Experiment Video

Updated: Aug 16, 2025

Author Spotlight: Improved Localization and Monitoring of Coronary Flow Reserve Using Modified PLAX View in Mice
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Peripheral vascular remodeling during ischemia.

Shigang Lin1, Ruoran Lin1, Hongkun Zhang1

  • 1Department of Vascular Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.

Frontiers in Pharmacology
|December 19, 2022
PubMed
Summary
This summary is machine-generated.

Peripheral arterial disease (PAD) affects millions globally, driven by risk factors like diabetes and hypertension. This review explores PAD pathogenesis, focusing on cellular changes and potential new treatments for vascular remodeling.

Keywords:
endothelial cellsfibroblastsischemiasmooth muscle cellsvascular disease

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Area of Science:

  • Vascular Biology
  • Cardiovascular Medicine
  • Pathogenesis of Peripheral Arterial Disease

Background:

  • Peripheral arterial disease (PAD) affects over 230 million people worldwide, with increasing prevalence.
  • Key risk factors include smoking, dyslipidemia, diabetes, and hypertension, contributing to vascular remodeling.
  • PAD symptoms range from intermittent claudication to severe limb ischemia, potentially requiring amputation.

Purpose of the Study:

  • To review the functional changes in peripheral arterial cells in PAD pathogenesis.
  • To elucidate the molecular mechanisms underlying vascular remodeling in PAD.
  • To summarize current clinical treatments and explore future therapeutic strategies for PAD.

Main Methods:

  • Review of current literature on PAD pathogenesis.
  • Analysis of molecular mechanisms of endothelial dysfunction and smooth muscle cell switching.
  • Investigation of fibroblast roles in vascular cell communication and proliferation.

Main Results:

  • Significant progress in understanding vascular remodeling, including atherosclerosis and neointima hyperplasia.
  • Detailed description of molecular mechanisms of endothelial dysfunction and smooth muscle phenotype switching.
  • Evidence highlighting the crucial role of vessel wall fibroblasts in smooth muscle proliferation and endothelial function.

Conclusions:

  • PAD pathogenesis involves complex cellular changes and interactions within the vessel wall.
  • Fibroblast-mediated cell communication significantly impacts vascular health in PAD.
  • Further research into cellular mechanisms may lead to novel therapeutic interventions for PAD.