Through an innovative catheterization procedure, a pediatric cardiologist at Texas Childrens Heart Center in Houston repaired a severe liver condition in a 14-year-old male. The doctor used a catheter and septal occluder device that is generally used to close holes in childrens hearts. Similar procedures have been reported only six times in medical literature. But this is the first time the procedure has been performed with this particular device.
"Sammy was born with a hole in his liver about the size of a garden hose that has caused him complicated health problems," said Dr. Henri Justino, an interventional cardiologist at Texas Childrens Heart Center and an assistant professor of pediatrics at Baylor College of Medicine. "Since we successfully perform a wide variety of interventional cardiac procedures in the catheterization lab every day, we consulted with colleagues in the Liver Center, and decided to apply the same procedure in Sammys case," said Justino.
Sammy Drake, a resident of West Texas, was born with a rare liver problem known as patent ductus venosus (PDV). The ductus venosus, a large vein that crosses through the liver and empties near the heart, is normally present before birth and plays an important role in the development of the fetus. After birth, however, the PDV is no longer needed and usually closes on its own. Closure of this vein allows blood returning from the intestines to go to the liver, an essential step needed to filter certain nutrients and toxins in foods.
Carol Wittman | EurekAlert!
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Among the general public, solar thermal energy is currently associated with dark blue, rectangular collectors on building roofs. Technologies are needed for aesthetically high quality architecture which offer the architect more room for manoeuvre when it comes to low- and plus-energy buildings. With the “ArKol” project, researchers at Fraunhofer ISE together with partners are currently developing two façade collectors for solar thermal energy generation, which permit a high degree of design flexibility: a strip collector for opaque façade sections and a solar thermal blind for transparent sections. The current state of the two developments will be presented at the BAU 2017 trade fair.
As part of the “ArKol – development of architecturally highly integrated façade collectors with heat pipes” project, Fraunhofer ISE together with its partners...
At TU Wien, an alternative for resource intensive formwork for the construction of concrete domes was developed. It is now used in a test dome for the Austrian Federal Railways Infrastructure (ÖBB Infrastruktur).
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Many pathogens use certain sugar compounds from their host to help conceal themselves against the immune system. Scientists at the University of Bonn have now, in cooperation with researchers at the University of York in the United Kingdom, analyzed the dynamics of a bacterial molecule that is involved in this process. They demonstrate that the protein grabs onto the sugar molecule with a Pac Man-like chewing motion and holds it until it can be used. Their results could help design therapeutics that could make the protein poorer at grabbing and holding and hence compromise the pathogen in the host. The study has now been published in “Biophysical Journal”.
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UMD, NOAA collaboration demonstrates suitability of in-orbit datasets for weather satellite calibration
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Fiber-reinforced plastics (FRP) are frequently used in the aeronautic and automobile industry. However, the repair of workpieces made of these composite materials is often less profitable than exchanging the part. In order to increase the lifetime of FRP parts and to make them more eco-efficient, the Laser Zentrum Hannover e.V. (LZH) and the Apodius GmbH want to combine a new measuring device for fiber layer orientation with an innovative laser-based repair process.
Defects in FRP pieces may be production or operation-related. Whether or not repair is cost-effective depends on the geometry of the defective area, the tools...
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