Results 91 to 100 of about 56,498 (290)
Transvalvular mitral regurgitation following mitral valve replacement a diagnostic dilemma
Annals of Cardiac Anaesthesia, 2015 After mitral valve replacement with a prosthetic valve, the valve should be competent and there should not be any residual prosthetic valve regurgitation. Transvalvular residual prosthetic valve regurgitation are difficult to diagnose and quantify.
U S Dinesh Kumar +3 more
doaj +1 more source
Advanced Materials Technologies, Volume 10, Issue 6, March 18, 2025.This article demonstrates that encasing a hyperelastic balloon in an inextensible sleeve greatly increases its burst pressure. This simple mechanical behavior can be used to produce an asymmetric inflation‐deflation sequence for coupled balloons with different thicknesses so they could serve as a soft robot's rear and front anchors when driven from a ...
Ifat Gertler, Katherine J. Kuchenbecker
wiley +1 more source
Case Reports in Pediatrics, 2012 A 10-year-old girl with trisomy 21 and complex congenital heart disease presented with acute lymphoblastic leukemia. Her chemotherapy required modifications due to poor baseline cardiac status and a mechanical prosthetic heart valve that was dependent on
Saima Alvi +4 more
doaj +1 more source
Mucosa‐Interfacing Capsule for In Situ Sensing the Elasticity of Biological Tissues
Advanced Materials Technologies, Volume 10, Issue 6, March 18, 2025.A fundamental mechanism of palpating soft materials is reported to sense deep tissue elasticity in situ with minimal invasion using the interaction between the robot palpation unit and soft tissues. Both the robot locomotion and elasticity sensing functions are remotely controlled by external magnetic fields, while the sensing data are wirelessly ...
Kiyoung Kim +10 more
wiley +1 more source
klf2a couples mechanotransduction and zebrafish valve morphogenesis through fibronectin synthesis
Nature Communications, 2016 In the developing heart, blood flow transmits mechanical signals to progenitor cells that ultimately leads to valve formation. Here, the authors identify the origin of the valve progenitor cells and fibronectin1bas a transcriptional target of the ...
Emily Steed +5 more
doaj +1 more source
A Comparison of Outcomes in Men 11 Years after Heart-Valve Replacement with a Mechanical Valve or Bioprosthesis [PDF]
, 1993 Karl E. Hammermeister +5 more
openalex +1 more source
Advanced Materials Technologies, EarlyView.This study presents a microfluidic wet spinning technique for producing ultrathin, templated collagen sheets with hierarchical organization at the microscale. The aligned collagen sheets replicate strain‐stiffening behavior associated with native cardiovascular tissues, sup cell attachment and contraction, and enable biofabrication of load‐bearing ...
Yuming Zhang +6 more
wiley +1 more source
Advanced Materials Technologies, EarlyView.This research presents an easy to fabricate, low‐cost, flexible piezoresistive deformation sensor comprised of a carbon nanotube, few‐layer graphene, and polydimethylsiloxane composite. The sensor detects deformations and vibrations up to 600 Hz with 0.1% strain sensitivity from stiff and soft targets in dry and wet environments.
Sinan Candan +9 more
wiley +1 more source
Вісник медичних і біологічних дослідженьThe heart valve design is optimally adapted to their physiological function, i.e., the uniform distribution of blood flow in the heart chambers, so even small changes in the structural components of the valves, which are initially functionally ...
L. Fedoniuk +3 more
doaj +1 more source
Retracted: Simulation of Mechanical Heart Valve Dysfunction and the Non-Newtonian Blood Model Approach. [PDF]
Appl Bionics Biomech, 2023 And Biomechanics AB.
europepmc +1 more source