Mechanics and Microstructure of the Atrioventricular Heart Valve Chordae Tendineae: A Review.
collagen fiber architecture
glycosaminoglycan
in-vitro flow loops
polarized spatial frequency domain imaging
the mitral valve
the tricuspid valve
uniaxial mechanical testing
Journal
Bioengineering (Basel, Switzerland)
ISSN: 2306-5354
Titre abrégé: Bioengineering (Basel)
Pays: Switzerland
ID NLM: 101676056
Informations de publication
Date de publication:
12 Mar 2020
12 Mar 2020
Historique:
received:
10
02
2020
revised:
09
03
2020
accepted:
10
03
2020
entrez:
18
3
2020
pubmed:
18
3
2020
medline:
18
3
2020
Statut:
epublish
Résumé
The atrioventricular heart valves (AHVs) are responsible for directing unidirectional blood flow through the heart by properly opening and closing the valve leaflets, which are supported in their function by the chordae tendineae and the papillary muscles. Specifically, the chordae tendineae are critical to distributing forces during systolic closure from the leaflets to the papillary muscles, preventing leaflet prolapse and consequent regurgitation. Current therapies for chordae failure have issues of disease recurrence or suboptimal treatment outcomes. To improve those therapies, researchers have sought to better understand the mechanics and microstructure of the chordae tendineae of the AHVs. The intricate structures of the chordae tendineae have become of increasing interest in recent literature, and there are several key findings that have not been comprehensively summarized in one review. Therefore, in this review paper, we will provide a summary of the current state of biomechanical and microstructural characterizations of the chordae tendineae, and also discuss perspectives for future studies that will aid in a better understanding of the tissue mechanics-microstructure linking of the AHVs' chordae tendineae, and thereby improve the therapeutics for heart valve diseases caused by chordae failures.
Identifiants
pubmed: 32178262
pii: bioengineering7010025
doi: 10.3390/bioengineering7010025
pmc: PMC7148526
pii:
doi:
Types de publication
Journal Article
Review
Langues
eng
Subventions
Organisme : American Heart Association-American Stroke Association
ID : 16SDG27760143
Pays : United States
Organisme : Presbyterian Health Foundation
ID : C5122401
Organisme : American Heart Association
ID : 16SDG27760143
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