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Stanford Research Assesses Use Of Tamiflu, Relenza To Prevent Flu
Two common anti-influenza drugs - Relenza and Tamiflu - appear equally effective at preventing common flu symptoms when given before infection, say researchers from the Stanford University School of Medicine. However, data is lacking on the effectiveness and safety of the two drugs in vulnerable groups such as the very young and people with compromised immune systems.
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New Ovarian Transplant Technique Could Expand Use Of Procedure To Preserve Fertility
Two recent advancements in ovarian transplant techniques could potentially expand the availability of the procedure for women seeking to avoid fertility problems as they age, researchers reported Monday at a meeting of the European Society of Human Reproduction and Embryology, the AP/Yahoo! News reports. According to the AP/Yahoo! News, ovary transplants traditionally have been performed on women with cancer as a method of preserving fertility after chemotherapy or other treatments that can affect the reproductive system. The procedure involves removing the ovaries before treatment and re-implanting them after treatment is complete. Because only a handful of these procedures have been successful, ovarian transplants have been an option only for women with serious diseases. However, as more women delay having children until their 30s or 40s, researchers say the new techniques, in theory, could make it simpler for healthy younger women to have an ovary removed, frozen and then re-implanted later in life when they are ready to have children.The first study examined how many eggs were lost or preserved in fresh and frozen ovarian tissue of 15 young women prior to the start of cancer treatment. According to the study, there was no difference in the quantity of eggs in the fresh tissue and in the ovaries frozen using a new ultra-fast technique. The study found that about 50% of a woman"s eggs were lost using the traditional, slow-freezing methods of preserving the ovaries.The second study reported on a new surgical technique to restore an ovary"s function after transplantation. For the study, Pascal Piver of Limoges University Hospital and colleagues divided the transplant process into two separate procedures in an attempt to more quickly re-establish blood and hormone supplies to the ovary. In the first procedure, the researchers performed a graft of small pieces of ovarian tissue to prompt blood vessels to grow. They performed the ovary transplant three days later. The technique was successful in a woman who lost fertility because of treatment for sickle cell anemia.Sherman Silber, director of the St. Louis Infertility Center in Missouri and a researcher for the first study, said the new techniques "could dramatically expand our reproductive life span." He added, "This is not an experimental procedure for cancer patients anymore. The question is whether more women should be able to have this option" (Cheng, AP/Yahoo! News, 6/29).
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FDA And Public Health Experts Warn About Electronic Cigarettes
The U.S. Food and Drug Administration announced that a laboratory analysis of electronic cigarette samples has found that they contain carcinogens and toxic chemicals such as diethylene glycol, an ingredient used in antifreeze.
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Innovative Ultrasound Provides Cutting Edge Acoustic Radiation Force Impulse Technology For Liver Imaging

The Radiology department at King"s College Hospital is now benefiting from enhanced ultrasound image quality and optimised workflow following the installation of an ACUSON S2000™ from Siemens Healthcare. The hospital also uses the S2000"s Virtual Touch™ application for Acoustic Radiation Force Impulse (ARFI) imaging to assist with scanning the liver. The S2000 is a next generation ultrasound system offering superior image quality to improve diagnostic confidence, plus ensures user and patient comfort through its adaptive ergonomic design. It is being used at the hospital predominantly for contrast ultrasound of the liver and testicular cases as well as more general scanning. The Virtual Touch application uses acoustic energy to compress tissue and provide qualitative and quantitative assessments of deep tissue stiffness. This is particularly beneficial for examinations of the liver and is also a quick, non-invasive solution for diagnosis. The system includes an 18L6 HD transducer for use in testicular ultrasound examinations at the hospital. It has a long cable for ease of use and features an ElastoGrip™ ergonomic grip coating that improves control by reducing grip force and operator fatigue. "ARFI provides a high quality level of imaging when conducting ultrasound scans of the liver," states Paul Sidhu, Consultant Radiologist at King"s College Hospital. "As the primary user of the system, I have found the S2000 to be comfortable as well as easy to use and its portability has served as a great benefit to the hospital." "We are very pleased that King"s College Hospital has installed one of our leading ultrasound systems," states Yianni Kiromitis, Regional Sales Manager, Ultrasound at Siemens Healthcare. "The S2000 is a real step forward for ultrasound imaging as it offers next generation functionality for all disciplines and expands the range of techniques offered to patients." The S2000 is compact, lightweight and portable providing ultimate user comfort. The controls are within easy reach of the operator and its flexible arm and flat panel display ensure clear image quality in all lighting environments. The system draws together the latest imaging innovations including 2D, 3D, Colour and Pulse-wave Doppler and 4D images to optimise workflow and simplify examinations. Siemens Healthcare


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