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Int J Inflam. 2011;2011:263870. doi: 10.4061/2011/263870. Epub 2011 Jul 06.

Hemodynamics and mechanobiology of aortic valve inflammation and calcification.

International journal of inflammation

Kartik Balachandran, Philippe Sucosky, Ajit P Yoganathan

Affiliations

  1. Wyss Institute for Biologically Inspired Engineering, School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, USA.

PMID: 21760982 PMCID: PMC3133012 DOI: 10.4061/2011/263870

Abstract

Cardiac valves function in a mechanically complex environment, opening and closing close to a billion times during the average human lifetime, experiencing transvalvular pressures and pulsatile and oscillatory shear stresses, as well as bending and axial stress. Although valves were originally thought to be passive pieces of tissue, recent evidence points to an intimate interplay between the hemodynamic environment and biological response of the valve. Several decades of study have been devoted to understanding these varied mechanical stimuli and how they might induce valve pathology. Here, we review efforts taken in understanding the valvular response to its mechanical milieu and key insights gained from in vitro and ex vivo whole-tissue studies in the mechanobiology of aortic valve remodeling, inflammation, and calcification.

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