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Investigating Aortic Valve Calcification via Isolation and Culture of T Lymphocytes using Feeder Cells from Irradiated Buffy Coat
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Reduction of calcification by various treatments in cardiac valves

K P Rao1, C Shanthi

  • 1Biomaterials Laboratory, Central Leather Research Institute, Adyar, India.

Journal of Biomaterials Applications
|February 6, 1999
PubMed

Insights

Bioprosthetic heart valve calcification limits durability. This review explores causative factors and strategies to prevent biocalcification, focusing on improving anticalcification properties during preparation.

Area of Science:

  • Biomaterials Science
  • Cardiovascular Research
  • Tissue Engineering

Background:

  • Glutaraldehyde-pretreated bioprosthetic heart valves (e.g., bovine pericardium, porcine aortic valves) are crucial for valvular heart disease management.
  • Calcification is the primary limitation to the durability and frequent cause of failure in these bioprosthetic devices.
  • Current clinical interventions for preventing or treating bioprosthetic heart valve calcification are unsatisfactory.

Purpose of the Study:

  • To review existing theories on the causative factors and mechanisms of biocalcification.
  • To present various strategies investigated for the prevention of bioprosthetic heart valve calcification.
  • To highlight specific research contributions in anticalcification strategies.

Main Methods:

  • Literature review of biocalcification theories and prevention strategies.
  • Analysis of experimental approaches to mitigate calcification in bioprosthetic materials.
  • Synthesis of findings from global research groups and the authors' laboratory.

Main Results:

  • Multiple theories explain biocalcification, involving complex biological and chemical interactions.
  • Various pretreatment and modification strategies aim to enhance anticalcification properties.
  • Ongoing research actively seeks to improve the long-term performance of bioprosthetic heart valves.

Conclusions:

  • Understanding biocalcification mechanisms is key to developing effective prevention strategies.
  • Improving anticalcification properties during the preparation stage is a critical research focus.
  • Continued innovation is necessary to overcome the limitations of current bioprosthetic heart valve technology.

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