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Related Concept Videos

Obesity01:24

Obesity

607
The Body Mass Index (BMI) is a numerical value derived from a person's weight and height, used to categorize individuals into weight ranges. It is calculated using the formula: weight in kilograms divided by height in meters squared. Obesity is a health condition characterized by excessive accumulation of adipose tissue that poses health risks, often diagnosed with a BMI ≥ 30. This excess fat storage occurs when surplus dietary calories are converted into triglycerides and stored in...
607
Coronary Artery Disease I: Introduction01:30

Coronary Artery Disease I: Introduction

51
Coronary Artery Disease (CAD): An Overview with Scientific InsightsCoronary Artery Disease (CAD), often referred to as C-A-D, is a prevalent blood vessel disorder classified under the broader category of atherosclerosis. Atherosclerosis is a pathological process characterized by the hardening and narrowing of arteries due to the accumulation of atherosclerotic plaques. These plaques are composed of cholesterol, fatty substances, inflammatory cells, calcium, and fibrin, reducing blood flow to...
51
Hypertension II: Pathophysiology01:29

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,...
66
Cholesterol: Significance and Regulation01:29

Cholesterol: Significance and Regulation

657
Although not a source of energy, cholesterol plays a significant role as a foundational structure for bile salts, steroid hormones, and vitamin D, as well as being a crucial component of plasma membranes. Approximately 15% of blood cholesterol is derived from our diet, with the remainder synthesized from acetyl CoA by the liver and intestines. Cholesterol is eliminated from the body through its conversion into bile salts, which are eventually discarded in the feces.
Considering cholesterol and...
657
Atherosclerosis III: Management01:26

Atherosclerosis III: Management

31
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...
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Pathophysiology of Diabetes01:20

Pathophysiology of Diabetes

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Diabetes mellitus is a chronic metabolic disorder characterized by hyperglycemia. The four categories of diabetes are type 1 diabetes, type 2 diabetes, other specific types of diabetes, and gestational diabetes.
Type 1 diabetes is characterized by autoimmune-mediated destruction of pancreatic β cells, with environmental factors potentially triggering this process in genetically susceptible individuals. Despite many not having a family history, certain genes increase susceptibility,...
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En Face Detection of Nitric Oxide and Superoxide in Endothelial Layer of Intact Arteries
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Obesity and Endothelial Function.

Masato Kajikawa1, Yukihito Higashi1,2

  • 1Division of Regeneration and Medicine, Medical Center for Translational and Clinical Research, Hiroshima University Hospital, 1-2-3 Kasumi, Minami-ku, Hiroshima 734-8551, Japan.

Biomedicines
|July 27, 2022
PubMed
Summary
This summary is machine-generated.

Obesity significantly impacts cardiovascular health by impairing endothelial function through related complications. Understanding these mechanisms is key for preventing and treating obesity-related cardiovascular events.

Keywords:
atherosclerosiscardiovascular eventsendothelial functionobesity

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Area of Science:

  • Cardiovascular Science
  • Metabolic Disease Research

Background:

  • Obesity is a global epidemic, affecting over 1.9 billion adults worldwide.
  • It is a significant risk factor for cardiovascular morbidity and mortality.
  • Obesity contributes to endothelial dysfunction through various complications.

Purpose of the Study:

  • To review the pathophysiological mechanisms linking obesity to endothelial dysfunction.
  • To identify potential therapeutic targets for obesity-induced endothelial dysfunction.

Main Methods:

  • Literature review focusing on obesity-related complications and endothelial function.
  • Analysis of studies examining anthropometric indices and imaging modalities in obesity.
  • Exploration of molecular mechanisms including oxidative stress, inflammation, and insulin resistance.

Main Results:

  • Obesity-related complications like hypertension, dyslipidemia, and diabetes directly impair endothelial function.
  • Adipocyte dysfunction in obesity leads to oxidative stress, inflammation, and insulin resistance.
  • Evidence links various obesity measures to endothelial dysfunction.

Conclusions:

  • Obesity-induced endothelial dysfunction is a critical pathway for cardiovascular events.
  • Targeting obesity and its associated mechanisms offers a strategy for cardiovascular disease prevention and treatment.