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Related Concept Videos

Peripheral Artery Disease I: Introduction01:30

Peripheral Artery Disease I: Introduction

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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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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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Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies01:20

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The key difference between Superficial Vein Thrombosis (SVT) and Deep Vein Thrombosis (DVT) lies in their location and severity.Clinical ManifestationsSVT typically presents with localized pain, tenderness, and redness along the course of a superficial vein, often accompanied by a palpable, cord-like structure under the skin. This condition is usually less dangerous than DVT but can be uncomfortable and may lead to complications such as cellulitis or, rarely, a clot extension into the deep...
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Venous Thrombosis I: Introduction01:30

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Venous thrombosis, the most common disorder of the veins, involves the formation of a thrombus or blood clot associated with vein inflammation. It can be classified as either superficial vein thrombosis or deep vein thrombosis.Superficial Vein Thrombosis: This involves the formation of a thrombus in a superficial vein, usually the greater or lesser saphenous vein. Though less severe than deep vein thrombosis (DVT), SVT can lead to complications if untreated.Deep Vein Thrombosis (DVT): This...
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Vascular resistance is a critical concept in understanding blood flow dynamics in the circulatory system. It refers to the resistance that blood encounters as it flows through the blood vessels. This resistance is a key factor in determining blood pressure and cardiac workload.
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Ultrasound Assessment of Endothelial-Dependent Flow-Mediated Vasodilation of the Brachial Artery in Clinical Research
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Small Vessel Disease.

Antoine M Hakim1,2,3

  • 1Ottawa Hospital Research Institute, Ottawa, ON, Canada.

Frontiers in Neurology
|October 17, 2019
PubMed
Summary
This summary is machine-generated.

Small vessel disease (SVD) damages tiny blood vessels, impacting organs like the brain and kidneys. Uncontrolled vascular risks, poor lifestyle, and depression contribute to SVD, necessitating further research and interventions.

Keywords:
SVDdementiainflammationlifestylevascular risk factors

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Area of Science:

  • Vascular Biology
  • Nephrology
  • Neurology
  • Ophthalmology

Background:

  • Small vessel disease (SVD) involves damage to arterioles and capillaries, leading to organ hypoperfusion.
  • SVD is systemic, affecting major organs like the brain, kidneys, and retina.
  • It is a significant cause of renal failure, blindness, lacunar infarcts, and dementia.

Purpose of the Study:

  • To highlight the systemic nature and consequences of SVD.
  • To identify known and emerging risk factors for SVD.
  • To emphasize the need for further research into SVD etiology and effective interventions.

Main Methods:

  • Review of existing data on SVD prevalence and impact.
  • Identification of contributing factors, including vascular risks, lifestyle, and depression.
  • Discussion of inflammation's role as a mediator.

Main Results:

  • SVD is a widespread condition with severe systemic consequences.
  • Uncontrolled vascular risk factors, sedentary lifestyle, obesity, poor sleep, and depression are key drivers.
  • Inflammation is implicated as a mediator, but its precise role in etiology requires further study.

Conclusions:

  • SVD is a systemic condition driven by multiple factors, including lifestyle and depression.
  • Further research is crucial to elucidate the predominant etiological factors.
  • Clinical and societal strategies are needed to mitigate the population-level impact of SVD.