A small, portable device greatly increases the chance of surviving sudden cardiac death by restoring blood pressure better than conventional cardiopulmonary resuscitation, according to a Stanford University School of Medicine animal study. Following restoration of heart function, most of the animals in the Stanford study also showed no neurological damage, which commonly results from even a momentary blood flow interruption to the brain.
To model what happens during abrupt loss of heart function, the researchers tested the device, marketed as the AutoPulse Resuscitation System by Revivant Corp., on pigs. They found that AutoPulse contributed to the survival of three-quarters of the animals, while none of the animals initially treated with conventional CPR survived. "What was even more astounding than the survival rate was that 88 percent of the surviving animals had normal brain function," said Mehrdad Rezaee, MD, PhD, clinical science research associate in the Department of Cardiovascular Medicine and director of interventional preclinical research at Stanford. Results of the study are to be presented Nov. 10 at the American Heart Associations 76th annual Scientific Sessions in Orlando.
Although the AutoPulse is already commercially available in the United States, researchers wanted to investigate its overall effectiveness in reviving heart attack victims and also study its lasting benefit. Survival of a heart attack depends on maintaining blood flow to wash out the metabolic waste and move oxygenated blood to organs throughout the body. CPR is designed to artificially keep the blood flowing when the heart can no longer pump; the degree to which it is successful depends on how effectively CPR can squeeze, or compress, the chest wall surrounding the heart.
Mitzi Baker | EurekAlert!
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Friction stir welding is a still-young and thus often unfamiliar pressure welding process for joining flat components and semi-finished components made of light metals.
Scientists at the University of Stuttgart have now developed two new process variants that will considerably expand the areas of application for friction stir welding.
Technologie-Lizenz-Büro (TLB) GmbH supports the University of Stuttgart in patenting and marketing its innovations.
Friction stir welding is a still-young and thus often unfamiliar pressure welding process for joining flat components and semi-finished components made of...
Optical quantum computers can revolutionize computer technology. A team of researchers led by scientists from Münster University and KIT now succeeded in putting a quantum optical experimental set-up onto a chip. In doing so, they have met one of the requirements for making it possible to use photonic circuits for optical quantum computers.
Optical quantum computers are what people are pinning their hopes on for tomorrow’s computer technology – whether for tap-proof data encryption, ultrafast...
The Fraunhofer Institute for Organic Electronics, Electron Beam and Plasma Technology FEP has been developing various applications for OLED microdisplays based on organic semiconductors. By integrating the capabilities of an image sensor directly into the microdisplay, eye movements can be recorded by the smart glasses and utilized for guidance and control functions, as one example. The new design will be debuted at Augmented World Expo Europe (AWE) in Berlin at Booth B25, October 18th – 19th.
“Augmented-reality” and “wearables” have become terms we encounter almost daily. Both can make daily life a little simpler and provide valuable assistance for...
With the help of artificial intelligence, chemists from the University of Basel in Switzerland have computed the characteristics of about two million crystals made up of four chemical elements. The researchers were able to identify 90 previously unknown thermodynamically stable crystals that can be regarded as new materials. They report on their findings in the scientific journal Physical Review Letters.
Elpasolite is a glassy, transparent, shiny and soft mineral with a cubic crystal structure. First discovered in El Paso County (Colorado, USA), it can also be...
For the first time, Fraunhofer IKTS shows additively manufactured hardmetal tools at WorldPM 2016 in Hamburg. Mechanical, chemical as well as a high heat resistance and extreme hardness are required from tools that are used in mechanical and automotive engineering or in plastics and building materials industry. Researchers at the Fraunhofer Institute for Ceramic Technologies and Systems IKTS in Dresden managed the production of complex hardmetal tools via 3D printing in a quality that are in no way inferior to conventionally produced high-performance tools.
Fraunhofer IKTS counts decades of proven expertise in the development of hardmetals. To date, reliable cutting, drilling, pressing and stamping tools made of...
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29.09.2016 | Interdisciplinary Research