Results 51 to 60 of about 2,544,811 (316)
BJOG: an International Journal of Obstetrics and Gynaecology, 2017 To describe the incidence of mechanical prosthetic heart valves (MPHV) in pregnancy in the UK; rates of maternal and fetal complications in this group of women, and whether these vary with the anticoagulation used during pregnancy.
S. Vause +4 more
semanticscholar +1 more source
Current and Future Cornea Chip Models for Advancing Ophthalmic Research and Therapeutics
Advanced Biology, EarlyView.This review analyzes cornea chip technology as an innovative solution to corneal blindness and tissue scarcity. The examination encompasses recent developments in biomaterial design and fabrication methods replicating corneal architecture, highlighting applications in drug screening and disease modeling while addressing key challenges in mimicking ...
Minju Kim +3 more
wiley +1 more source
Advanced Engineering Materials, EarlyView.Laboratory protocols for producing thin‐film pH electrodes for sterilized single‐use technologies have been successfully developed into a semiautomated workflow, with higher throughput and precision of membrane thickness. Accuracies are within 0.05 pH units versus ground truth, and uncertainty analysis reveals the largest sources of error to be derived
Bingyuan Zhao +4 more
wiley +1 more source
Fluid Mechanics of Heart Valves and Their Replacements
, 2016 As the pulsatile cardiac blood flow drives the heart valve leaflets to open and close, the flow in the vicinity of the valve resembles a pulsed jet through a nonaxisymmetric orifice with a dynamically changing area.
F. Sotiropoulos, T. Le, A. Gilmanov
semanticscholar +1 more source
Advanced Engineering Materials, EarlyView.When realized as inserts in high‐pressure die casting, aluminum cooling channels for electric powertrain components and similar applications typically require a stabilizing filler to survive the process. The present study investigates relinquishing this filler using additively manufactured inserts promising performance improvements.
Dirk Lehmhus +9 more
wiley +1 more source
PLoS ONE, 2016 There is limited information about age-specific structural and functional properties of human heart valves, while this information is key to the development and evaluation of living valve replacements for pediatric and adolescent patients.
D. van Geemen +9 more
semanticscholar +1 more source
Heart India, 2017 Objective: The goal of this study is to evaluate and compare the midterm outcomes of bioprosthetic heart valve replacement in terms of survival, valve-related events, quality of life, and economic aspects of treatment in population age 45 years and above
Dheeraj Sharma +3 more
doaj +1 more source
Advanced Functional Materials, EarlyView.The seed pod valves of Australian Banksia attenuata plants are not simply bi‐layers which bend when dry. These experiments and models reveal complex mechanics, which allow seed release only after several steps of seed pod opening. Stiffness gradients prevent delamination of the valves during loading, and a shape‐memory function protects the seeds ...
Friedrich Reppe +7 more
wiley +1 more source
Interactive-Automatic Segmentation and Modelling of the Mitral Valve [PDF]
, 2019 Mitral valve regurgitation is the most common valvular disease, affecting 10% of the population over 75 years old. Left untreated, patients with mitral valve regurgitation can suffer declining cardiac health until cardiac failure and death. Mitral valve repair is generally preferred over valve replacement. However, there is a direct correlation between
arxiv +1 more source
Early hypo-attenuated leaflet thickening in balloon-expandable transcatheter aortic heart valves.
European Heart Journal, 2016 AIMS We sought to evaluate the frequency of early hypo-attenuated leaflet thickening (HALT) of the SAPIEN 3 transcatheter aortic valve (S3). METHODS AND RESULTS Of 249 patients who had undergone S3 implantation, we studied 156 consecutive patients (85 ...
G. Pache +11 more
semanticscholar +1 more source