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相关概念视频

Atherosclerosis I: Introduction01:30

Atherosclerosis I: Introduction

Atherosclerosis is a progressive disorder characterized by the buildup of plaques on the arterial inner wall, causing them to narrow and harden over time. These plaques comprise lipids, calcium, blood components, carbohydrates, and fibrous tissue. The process primarily affects the intima of large and medium-sized arteries, reducing blood flow in any artery.Etiology and risk factorsThe cause of atherosclerosis is multifactorial, involving a complex interplay among endothelial injury, lipid...
Atherosclerosis II: Clinical Manifestations and Diagnostic Tests01:27

Atherosclerosis II: Clinical Manifestations and Diagnostic Tests

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)...
Atherosclerosis III: Management01:26

Atherosclerosis III: Management

Management of atherosclerosis involves an integrated strategy encompassing pharmacological treatment, surgical interventions, lifestyle changes, and nutrition therapy to address the multifactorial nature of the disease.Pharmacological TherapyA cornerstone of atherosclerosis management is the use of pharmacological agents. Statins, such as atorvastatin, are pivotal in inhibiting HMG-CoA reductase, an enzyme that catalyzes an initial step in cholesterol synthesis in the liver. This reduction in...
Aneurysm II: Clinical Manifestations and Diagnostic Studies01:21

Aneurysm II: Clinical Manifestations and Diagnostic Studies

Thoracic, aortic arch and abdominal aneurysms are significant vascular conditions that can present with various clinical manifestations and lead to serious complications. Understanding these manifestations and the appropriate diagnostic studies is essential for effective management and treatment.Thoracic Aortic AneurysmsThoracic aortic aneurysms often remain asymptomatic until they reach a size that impinges on adjacent structures. They typically cause deep, diffuse chest pain that radiates to...

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相关实验视频

Updated: May 10, 2026

Quantitative Analysis and Characterization of Atherosclerotic Lesions in the Murine Aortic Sinus
06:43

Quantitative Analysis and Characterization of Atherosclerotic Lesions in the Murine Aortic Sinus

Published on: December 8, 2013

血清弹性酶活性,血清弹性酶抑制剂,以及动脉动脉样硬化斑块的发生:Etude sur le Vieillissement Artériel (EVA) 研究.

Mahmoud Zureik1, Ladislas Robert, Dominique Courbon

  • 1National Institute of Health and Medical Research (INSERM), Unit 258, Villejuif, France. zureik@vjf.inserm.fr

Circulation
|June 5, 2002
PubMed
概括

低血清弹性酶活性和高血清弹性酶抑制剂与4年内心血管斑块发生的增加有关. 这些发现表明,弹性酶标记物可能在动脉样硬化发展中发挥作用.

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A Methodological Approach to Non-invasive Assessments of Vascular Function and Morphology
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13:45

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Quantitative Analysis and Characterization of Atherosclerotic Lesions in the Murine Aortic Sinus
06:43

Quantitative Analysis and Characterization of Atherosclerotic Lesions in the Murine Aortic Sinus

Published on: December 8, 2013

A Methodological Approach to Non-invasive Assessments of Vascular Function and Morphology
09:33

A Methodological Approach to Non-invasive Assessments of Vascular Function and Morphology

Published on: February 7, 2015

A Method to Study the Correlation Between Local Collagen Structure and Mechanical Properties of Atherosclerotic Plaque Fibrous Tissue
13:45

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科学领域:

  • 心血管科学 心血管科学
  • 生物化学 生物化学
  • 医学研究 医学研究

背景情况:

  • 越来越多的人对细胞弹性酶活动的动效应越来越感兴趣.
  • 从以前的实验和临床研究中得出的不一致的发现.
  • 需要进一步澄清弹性酶在动脉样硬化中的作用.

研究的目的:

  • 为了评估血清弹性酶活性和抑制剂与心血管斑块发生之间的关联.
  • 在4年的随访期内调查这些关联.
  • 检查无冠状动脉心脏病和中风的人口.

主要方法:

  • 在859名受试者 (年龄为59-71岁) 中测量了血清弹性酶活性和抑制剂.
  • 在基线,2年和4年使用动脉B模式超声波.
  • 分析了与基线弹性酶水平相关的斑块发生情况,并调整了心血管风险因素.

主要成果:

  • 阴道斑发生的减少与较高的血清弹性酶活性 (Q4 vs Q1:OR 0.40,P<0.001).
  • 随着较高血清弹性酶抑制剂 (Q4 vs Q1:OR 3.18,P<0.001) 的使用,心血管斑块发生率增加.
  • 这两个协会都是独立的,具有统计学意义的.

结论:

  • 低血清弹性酶活性和高血清弹性酶抑制剂独立地与增加动脉斑块发生有关.
  • 这些发现突显了弹性酶标记物在动脉样硬化中的潜在作用.
  • 需要进一步的研究,以充分阐明弹性酶和心血管疾病之间的关系.