Results 231 to 240 of about 375,114 (346)

Intentional Stent Fracture to Accommodate Growth After Coarctation Stenting in an 860‐g Neonate

open access: yesCatheterization and Cardiovascular Interventions, EarlyView.
ABSTRACT Background Congenital aortic coarctation in neonates and children can be managed with transcatheter stent implantation, but this approach raises the issue of how to accommodate the fixed stent structure within the growing vessel. Case Summary A 15‐month‐old boy, born prematurely with critical aortic coarctation, was treated at 1 week of age ...
Magdalena Cuman   +3 more
wiley   +1 more source

Catalytic Activity of Water‐Dispersed Palladium Nanoparticles with Different Sizes and Shapes in the Semihydrogenation of Alkynes

open access: yesChemCatChem, EarlyView.
Mono‐ and biphasic semihydrogenation of alkynes is catalyzed by water‐dispersed palladium nanoparticles of various size, shape, and surface coatings at 1 and 50 bar hydrogen pressure. Spherical nanoparticles of 5 nm diameter were most efficient. Ultrasmall nanoparticles (2 nm) showed an increase in metallic character due to reduction by hydrogen during
Niklas Kost   +6 more
wiley   +1 more source

Very high-pressure dilatation for undilatable coronary lesions: indications and results with a new dedicated balloon.

open access: yesEuroIntervention, 2016
G. Secco   +12 more
semanticscholar   +1 more source

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