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Related Concept Videos

Atherosclerosis III: Management01:26

Atherosclerosis III: Management

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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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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...
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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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Nursing management for a patient with arteriosclerosis involves a comprehensive approach focusing on lifestyle modification, disease monitoring, education, and symptomatic care. Here is an overview of effective nursing strategies:Assessment and Monitoring: Initial and ongoing assessments are crucial. Nurses must document the patient's medical history, including any hypertension, diabetes, hyperlipidemia, and other cardiovascular diseases. Assessments also cover family history and lifestyle...
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The experimental conditions in a gravimetric analysis should be optimized to maximize the particle size and purity of the obtained precipitate. Ideally, the concentration of the precipitating reagent should be low with effective stirring to maintain low relative supersaturation for the growth of large crystals. In homogeneous precipitation, the precipitant is slowly generated by a chemical reaction in the solution to avoid local reagent excesses. For example, urea decomposes gradually to...
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A thermodynamic process that occurs at constant temperature is called an isothermal process. Heat slowly flows into the system or out of the system to maintain thermal equilibrium. Processes involving phase changes like water evaporation into steam or freezing water into ice at a constant temperature are examples of Isothermal Processes.
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Related Experiment Video

Updated: Jan 24, 2026

Isolation and Analysis of Plasma Lipoproteins by Ultracentrifugation
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Lipoproteins in Atherosclerosis Process.

Valentina Arnao1,2, Antonino Tuttolomondo3, Mario Daidone3

  • 1BioNeC Dipartimento di BioMedicina Sperimentale e Neuroscienze Cliniche, Universita degli Studi di Palermo, Palermo, Italy.

Current Medicinal Chemistry
|May 18, 2019
PubMed
Summary
This summary is machine-generated.

Dyslipidemias increase atherosclerosis risk. However, dysfunctional high-density lipoprotein cholesterol (HDL-C) may also contribute to atherosclerotic disease, suggesting functional tests could improve risk assessment.

Keywords:
HDL-CLipoproteinsatherogenisisatherosclerosisdysfunctionaldyslipidemiaoxidised.

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Area of Science:

  • Cardiovascular Science
  • Lipid Metabolism
  • Atherosclerosis Research

Background:

  • Dyslipidemias are established atherosclerosis risk factors.
  • Emerging evidence suggests high HDL-C may paradoxically increase atherosclerotic risk.
  • Dysfunctional lipoproteins play a key role in atherosclerotic disease progression.

Purpose of the Study:

  • To review the functions of modified and dysfunctional lipoproteins in atherogenesis.
  • To highlight the growing interest in dysfunctional HDL-cholesterol.
  • To explore the role of oxidized LDL-cholesterol in atherosclerotic lesions.

Main Methods:

  • Literature review of studies on lipoprotein function and atherogenesis.
  • Analysis of the "oxidation hypothesis" regarding LDL-cholesterol.
  • Examination of research on dysfunctional HDL-cholesterol.

Main Results:

  • Dysfunctional lipoproteins, including oxidized LDL-C and modified HDL-C, are central to atherosclerotic disease.
  • Oxidized LDL-C is a key feature of atherosclerotic lesions.
  • There is increasing focus on the role of dysfunctional HDL-C in atherogenesis.

Conclusions:

  • Functional assessments of lipoproteins may be more valuable than routine serum evaluations for risk stratification.
  • Measuring functional features of lipoproteins can aid in both experimental studies and clinical practice.
  • Understanding lipoprotein dysfunction is crucial for managing atherosclerotic risk.