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Darkness Linked To 'Brain Drain' In Depressed People
A lack of sunlight is associated with reduced cognitive function among depressed people. Researchers writing in BioMed Central"s open access journal Environmental Health used weather data from NASA satellites to measure sunlight exposure across the United States and linked this information to the prevalence of cognitive impairment in depressed people.
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Arizona Heart Institute Enrolls First Patient In Anaconda(TM) Investigational Study For The Treatment Of Abdominal Aortic Aneurysm
Surgeons from Arizona Heart Institute performed the first procedure in the U.S. Anaconda Phase II Study using the Vascutek Anaconda Stent Graft System, an investigational, minimally invasive treatment for abdominal aortic aneurysm (AAA).
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Alcon Commences Phase 2 Clinical Trial Of NovaBay's NVC-422 For Viral Conjunctivitis
Alcon, Inc. (NYSE: ACL) and its partner, NovaBay Pharmaceuticals, Inc. (NYSE-AMEX: NBY), announced that Alcon has begun treating patients in a Phase 2 clinical trial of NovaBay"s patented lead Aganocide® compound, NVC-422, for viral conjunctivitis, a type of "pink eye." Conjunctivitis is a pervasive and painful condition that affects both adults and children, leading to more than four million doctor and emergency room visits in the United States each year.
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Intraoperative Radioguidance With A Portable Gamma Camera: New Technique For Laparoscopic Sentinel Node Localisation In Urological Malignancies

UroToday.com - Our first results of sentinel node mapping with intraoperative radioguidance in urological tumors are described in our abstract. We selected this movie to show the whole imaging procedure. In a patient with prostate cancer, the radiopharmaceutical is injected in 4 depots into the prostate. After tracer administration, planar lymphoscintigraphy is performed after 15 minutes and in 2 hours is followed by a SPECT/CT. After fusion of corresponding SPECT and CT slices, the two-dimensional fusion images show the location of the sentinel nodes. These images are also available during surgery. For intraoperative sentinel node localization a laparoscopic gamma ray detection probe and a portable gamma camera are used. The portable gamma camera visualizes the radiopharmaceutical within the sentinel nodes as well as a Iodine-seed used as pointer. This Iodine-seed is attached to the top of the gamma probe before laparoscopy, enabling visualization of this Iodine-seed on screen of the portable gamma camera (shown as a green circle). If this green circle matches with the sentinel node (radiopharmaceutical signal) on screen, exact localization of the sentinel node is found and this sentinel node can be excised. Post-excision monitoring shows if the signal of the sentinel node has disappeared and will also show if there is remaining radioactivity. In this way accurate excision of the sentinel nodes can be confirmed. After excision, the portable gamma camera is used for ex-vivo monitoring, showing the amount of radioactivity within each excised node. Written by L.Vermeeren, R.A. Valdē©s Olmos, W. Meinhardt, A. Bex, H.G. van der Poel, W.V. Vogel, F. Sivro, C.A. Hoefnagel, and S. Horenblas as part of Beyond the Abstract on UroToday.com. UroToday - the only urology website with original content written by global urology key opinion leaders actively engaged in clinical practice. To access the latest urology news releases from UroToday, go to: www.urotoday.com Copyright © 2009 - UroToday


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