Heart Valve Biomechanics: The Frontiers of Modeling Modalities and the Expansive Capabilities of Ex Vivo Heart Simulation

MH Park, Y Zhu, AM Imbrie-Moore, H Wang… - Frontiers in …, 2021 - frontiersin.org
The field of heart valve biomechanics is a rapidly expanding, highly clinically relevant area
of research. While most valvular pathologies are rooted in biomechanical changes, the …

Novel bicuspid aortic valve model with aortic regurgitation for hemodynamic status analysis using an ex vivo simulator

Y Zhu, AM Imbrie-Moore, MJ Paulsen… - The Journal of thoracic …, 2022 - Elsevier
Objective The objective was to design and evaluate a clinically relevant, novel ex vivo
bicuspid aortic valve model that mimics the most common human phenotype with associated …

Simulation-based design of bicuspidization of the aortic valve

AD Kaiser, MA Haidar, PS Choi, A Sharir… - The Journal of Thoracic …, 2024 - Elsevier
Objective Severe congenital aortic valve pathology in the growing patient remains a
challenging clinical scenario. Bicuspidization of the diseased aortic valve has proven to be a …

Ex vivo biomechanical analysis of the Ross procedure using the modified inclusion technique in a 3-dimensionally printed left heart simulator

Y Zhu, M Marin-Cuartas, MH Park… - The Journal of thoracic …, 2023 - Elsevier
Objective The inclusion technique was developed to reinforce the pulmonary autograft to
prevent dilation after the Ross procedure. Anticommissural plication (ACP), a modification …

[HTML][HTML] Biomechanics and clinical outcomes of various conduit configurations in valve sparing aortic root replacement

Y Zhu, MH Park, PK Pandya, CJ Stark… - Annals of …, 2023 - ncbi.nlm.nih.gov
Background Several conduit configurations, such as straight graft (SG), Valsalva graft (VG),
anticommissural plication (ACP), and the Stanford modification (SMOD) technique, have …

Cusp repair techniques in bicuspid and tricuspid aortic valves

Y Zhu, YJ Woo - JTCVS techniques, 2021 - jtcvstechniques.org
Aortic regurgitation (AR) is one of the most prevalent cardiac valvular diseases, affecting up
to 13% of the population. 1 The pathophysiology of AR is dependent on the acuity of the …

Biomechanical evaluation of aortic regurgitation from cusp prolapse using an ex vivo 3D-printed commissure geometric alignment device

Y Zhu, MH Park, A Imbrie-Moore, R Wilkerson… - Journal of …, 2022 - Springer
Background Aortic regurgitation (AR) is one of the most common cardiac valvular diseases,
and it is frequently caused by cusp prolapse. However, the precise relationship of …

Biomechanical engineering analysis of pulmonary valve leaflet hemodynamics and kinematics in the Ross procedure

Y Zhu, RJ Wilkerson, PK Pandya… - Journal of …, 2023 - asmedigitalcollection.asme.org
The Ross procedure using the inclusion technique with anticommissural plication (ACP) is
associated with excellent valve hemodynamics and favorable leaflet kinematics. The …

A 3D-Printed Externally Adjustable Symmetrically Extensible (EASE) Aortic Annuloplasty Ring for Root Repair and Aortic Valve Regurgitation

Y Zhu, MH Park, RJ Wilkerson, HC Joo… - Cardiovascular …, 2024 - Springer
Purpose The valve-sparing aortic root replacement (VSARR) procedure was developed to
preserve the aortic valve apparatus to replace aneurysmal aortic roots with synthetic grafts …

Bicuspidalization of the Native Tricuspid Aortic Valve: A Porcine in Vivo Model of Bicuspid Aortopathy

N Kimura, R Itagaki, M Nakamura, A Tofrizal… - Annals of Vascular …, 2022 - jstage.jst.go.jp
Results: No animal died intraoperatively. One animal subjected to bicuspidalization died of
respiratory failure during postoperative imaging studies. Echocardiography showed the …