Machine learning for cardiovascular biomechanics modeling: challenges and beyond

A Arzani, JX Wang, MS Sacks, SC Shadden - Annals of Biomedical …, 2022 - Springer
Recent progress in machine learning (ML), together with advanced computational power,
have provided new research opportunities in cardiovascular modeling. While classifying …

Biology and biomechanics of the heart valve extracellular matrix

KM Kodigepalli, K Thatcher, T West… - Journal of …, 2020 - mdpi.com
Heart valves are dynamic structures that, in the average human, open and close over
100,000 times per day, and 3× 109 times per lifetime to maintain unidirectional blood flow …

[HTML][HTML] Mechanical behavior and collagen structure of degenerative mitral valve leaflets and a finite element model of primary mitral regurgitation

MJ Sadeghinia, HM Aguilera, S Urheim, RM Persson… - Acta Biomaterialia, 2023 - Elsevier
Degenerative mitral valve disease is the main cause of primary mitral regurgitation with two
phenotypes: fibroelastic deficiency (FED) often with localized myxomatous degeneration …

A noninvasive method for the determination of in vivo mitral valve leaflet strains

BV Rego, AH Khalighi, A Drach, EK Lai… - … journal for numerical …, 2018 - Wiley Online Library
Assessment of mitral valve (MV) function is important in many diagnostic, prognostic, and
surgical planning applications for treatment of MV disease. Yet, to date, there are no …

Development of a functionally equivalent model of the mitral valve chordae tendineae through topology optimization

AH Khalighi, BV Rego, A Drach, RC Gorman… - Annals of biomedical …, 2019 - Springer
Ischemic mitral regurgitation (IMR) is a currently prevalent disease in the US that is projected
to become increasingly common as the aging population grows. In recent years, image …

Non-destructive reflectance mapping of collagen fiber alignment in heart valve leaflets

W Goth, S Potter, ACB Allen, J Zoldan… - Annals of biomedical …, 2019 - Springer
Collagen fibers are the primary structural elements that define many soft-tissue structure and
mechanical function relationships, so that quantification of collagen organization is essential …

Three-dimensional analysis of hydrogel-imbedded aortic valve interstitial cell shape and its relation to contractile behavior

A Khang, Q Nguyen, X Feng, DP Howsmon, MS Sacks - Acta biomaterialia, 2023 - Elsevier
Cell-shape is a conglomerate of mechanical, chemical, and biological mechanisms that
reflects the cell biophysical state. In a specific application, we consider aortic valve interstitial …

Quantifying heart valve interstitial cell contractile state using highly tunable poly (ethylene glycol) hydrogels

A Khang, AG Rodriguez, ME Schroeder, J Sansom… - Acta biomaterialia, 2019 - Elsevier
Valve interstitial cells (VIC) are the primary cell type residing within heart valve tissues. In
many valve pathologies, VICs become activated and will subsequently profoundly remodel …

An investigation of the glycosaminoglycan contribution to biaxial mechanical behaviours of porcine atrioventricular heart valve leaflets

CJ Ross, DW Laurence… - Journal of the …, 2019 - royalsocietypublishing.org
The atrioventricular heart valve (AHV) leaflets have a complex microstructure composed of
four distinct layers: atrialis, ventricularis, fibrosa and spongiosa. Specifically, the spongiosa …

Ex vivo experimental characterizations for understanding the interrelationship between tissue mechanics and collagen microstructure of porcine mitral valve leaflets

DJ Fitzpatrick, K Pham, CJ Ross, LT Hudson… - Journal of the …, 2022 - Elsevier
Unidirectional blood flow in the left side of the heart is regulated by the mitral valve. To better
understand the mitral valve function, researchers have examined the structural and …