Duke anesthesiologists have found that a "Doppler" technique of using reflected sound waves to measure the heart?s pumping action can better guide the administration of fluids and plasma during major surgery. They have found that the use of Doppler technology appears to reduce hospital stays and to speed patient recovery.
Additionally, according to Duke University Medical Center researchers, these patients experience less postoperative nausea and vomiting and are able to eat solid foods much earlier. The researchers say that by not allowing fluid levels to drop below normal -- which is common during surgery -- the proper functioning of the intestines are maintained and recovery is improved.
Typically, fluids such as blood, plasma or synthetic agents known as plasma expanders are administered to patients during surgery to compensate for blood loss and to maintain blood pressure. Physicians add these fluids in response to changes in blood pressure, urine output or heart rate. Instead of this reactive approach, the Duke researchers proactively used an esophageal Doppler monitor (EDM) to obtain continuous readings of cardiac output.
Richard Merritt | EurekAlert!
TSRI researchers develop new method to 'fingerprint' HIV
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Periodic ventilation keeps more pollen out than tilted-open windows
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The Institute of Semiconductor Technology and the Institute of Physical and Theoretical Chemistry, both members of the Laboratory for Emerging Nanometrology (LENA), at Technische Universität Braunschweig are partners in a new European research project entitled ChipScope, which aims to develop a completely new and extremely small optical microscope capable of observing the interior of living cells in real time. A consortium of 7 partners from 5 countries will tackle this issue with very ambitious objectives during a four-year research program.
To demonstrate the usefulness of this new scientific tool, at the end of the project the developed chip-sized microscope will be used to observe in real-time...
Astronomers from Bonn and Tautenburg in Thuringia (Germany) used the 100-m radio telescope at Effelsberg to observe several galaxy clusters. At the edges of these large accumulations of dark matter, stellar systems (galaxies), hot gas, and charged particles, they found magnetic fields that are exceptionally ordered over distances of many million light years. This makes them the most extended magnetic fields in the universe known so far.
The results will be published on March 22 in the journal „Astronomy & Astrophysics“.
Galaxy clusters are the largest gravitationally bound structures in the universe. With a typical extent of about 10 million light years, i.e. 100 times the...
Researchers at the Goethe University Frankfurt, together with partners from the University of Tübingen in Germany and Queen Mary University as well as Francis Crick Institute from London (UK) have developed a novel technology to decipher the secret ubiquitin code.
Ubiquitin is a small protein that can be linked to other cellular proteins, thereby controlling and modulating their functions. The attachment occurs in many...
In the eternal search for next generation high-efficiency solar cells and LEDs, scientists at Los Alamos National Laboratory and their partners are creating...
Silicon nanosheets are thin, two-dimensional layers with exceptional optoelectronic properties very similar to those of graphene. Albeit, the nanosheets are less stable. Now researchers at the Technical University of Munich (TUM) have, for the first time ever, produced a composite material combining silicon nanosheets and a polymer that is both UV-resistant and easy to process. This brings the scientists a significant step closer to industrial applications like flexible displays and photosensors.
Silicon nanosheets are thin, two-dimensional layers with exceptional optoelectronic properties very similar to those of graphene. Albeit, the nanosheets are...
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