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Related Concept Videos

Overview of the Cardiovascular System01:14

Overview of the Cardiovascular System

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The cardiovascular system is a vital transportation system in the body. It comprises the heart and blood vessels and facilitates the exchange of gases, nutrients, and waste products.
Heart
The heart is the central pump of the cardiovascular system that circulates blood throughout the body. It comprises two atria receiving the blood and two ventricles pumping blood out of the heart. Their rhythmic contractions, called heartbeats, ensure that blood flow remains continuous.
Blood Vessels
Blood...
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Regulation of the Cardiovascular System01:27

Regulation of the Cardiovascular System

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The regulation of the cardiovascular system allows the body to adapt to various demands and maintain homeostasis.
The regulation of the cardiovascular system involves the autonomic nervous system (ANS), baroreceptors, and chemoreceptors, ensuring that heart rate and blood pressure are appropriately modulated in response to varying physiological demands.
The ANS comprises two main divisions: the sympathetic and parasympathetic nervous systems. The sympathetic nervous system enhances...
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Exercise and Cardiovascular Response01:20

Exercise and Cardiovascular Response

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Exercise significantly impacts cardiovascular response, which is crucial for understanding patient health and designing effective treatment plans.
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...
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Psychoneuroimmunology: Cardiovascular Disease01:27

Psychoneuroimmunology: Cardiovascular Disease

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Psychoneuroimmunology (PNI) is a multidisciplinary field that examines how psychological factors, particularly stress, interact with the immune system and impact physical health. Research in PNI has shown that chronic or traumatic stress can disrupt both the hypothalamic-pituitary-adrenal axis and the sympathetic nervous system. These disruptions contribute to serious health conditions, including cardiovascular diseases.
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Assessment of the Cardiovascular System II: Inspection01:29

Assessment of the Cardiovascular System II: Inspection

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Inspection is the initial step in assessing the cardiovascular system. It involves a detailed visual examination that provides crucial information about a patient's circulatory and cardiac health. This systematic process, conducted from head to toe, helps identify signs of cardiovascular conditions by observing physical appearance, skin and mucous membranes, jugular and carotid pulsations, chest symmetry, and the condition of the extremities.
Head and Neck
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Assessment of the Cardiovascular System IV: Auscultation01:25

Assessment of the Cardiovascular System IV: Auscultation

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Cardiac auscultation is a clinical skill used to assess heart function and detect abnormalities. It involves listening to heart sounds at specific anatomical locations through a stethoscope.
Normal Heart Sounds
S1 (First Heart Sound)-
S1 is made by the closure of the mitral and tricuspid valves (atrioventricular valves), marking the beginning of systole.
S2 (Second Heart Sound)-
S2 is made by the closure of the aortic and pulmonic valves (semilunar valves), marking the end of the systole.
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Related Experiment Video

Updated: Jan 20, 2026

Autologous Endothelial Progenitor Cell-Seeding Technology and Biocompatibility Testing For Cardiovascular Devices in Large Animal Model
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Autologous Endothelial Progenitor Cell-Seeding Technology and Biocompatibility Testing For Cardiovascular Devices in Large Animal Model

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Endothelialization of cardiovascular devices.

Soumen Jana1

  • 1Department of Bioengineering, University of Missouri, Columbia, MO 65211, USA.

Acta Biomaterialia
|August 28, 2019
PubMed
Summary

Improving cardiovascular device biocompatibility is key for better patient outcomes. Research focuses on surface modifications to promote endothelial cell (EC) growth, crucial for preventing implant failure.

Area of Science:

  • Biomaterials Science
  • Cardiovascular Engineering
  • Regenerative Medicine

Background:

  • Blood-contacting surfaces of cardiovascular devices lack inherent biocompatibility for endothelialization.
  • Early endothelial cell (EC) adhesion, migration, and proliferation are critical for device integration.
  • Protein adsorption and platelet adhesion are primary barriers to successful endothelialization.

Purpose of the Study:

  • To review recent advancements in surface modification strategies for cardiovascular devices.
  • To highlight methods promoting early endothelialization and inhibiting adverse cellular responses.
  • To discuss future directions for enhancing cardiovascular implant performance.

Main Methods:

  • Review of physical, chemical, and biological surface modification techniques.
Keywords:
CardiovascularEndothelializationHeart valveVascular graftVascular stent

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  • Analysis of surface texturing, protein adsorption inhibition, and cellular engineering approaches.
  • Synthesis of current research on endothelialization of cardiovascular implants.

    • Main Results:

    • Surface modifications can significantly improve EC adhesion and proliferation.
    • Inhibiting protein and platelet adsorption is vital for favorable EC interactions.
    • Combined physical, chemical, and biological approaches show promise for enhanced endothelialization.

    Conclusions:

    • Surface engineering is crucial for achieving early and robust endothelialization of cardiovascular devices.
    • Optimizing surface properties can mitigate complications like thrombosis and restenosis.
    • Further innovation in surface modification and cellular strategies is needed for improved clinical outcomes.