Technology helps Stanford shed new light on coronary bypass surgery
...ons. The SPY system uses a fluorescent green dye that attaches to proteins in the blood and emits l...k to the staff in the operating room. The injected dye lights up blood flowing through the veins and arteries in real time, an action that can be projected...New procedures more accurate in early diagnosis of GI cancers
... entire colon) using 0.1 percent methylene blue, a dye used to highlight tumors, along with an endomicroscopy to detect precancerous lesions and CRC. With an average examination time of 42 minutes, chromoendoscopy in conjunction with endomicroscopy identified significantly more precancerous lesions tha...Heart scan surprises: CT reveals many non-heart problems, too
...t is threaded into the coronary arteries to inject dye that can be seen on X-ray images. This kind of research, supported in part by an RSNA Research Scholar Award won by Patel, is needed to help settle the debate over the relative merits of both imaging techniques....No strong evidence of an increased risk of cancer among personal hair dye users
...looking at the association between cancer and hair dye use has found no strong evidence of increased risk...hat, globally, there is no effect of personal hair dye use on the risk of breast and bladder cancer," the authors report. "There is a borderline effect fo...Canadian researchers call for more angiograms
...cting a patient's coronary arteries with a special dye that doctors can track, can be risky. Potential complications include heart attack, stroke, and even death. The procedure is also expensive. Due to the related costs of angiograms, including the need for special equipment and trained personnel, the p...More is better, at least in angioplasty
...e higher-volume doctors, and also used more of the dye that helps doctors see blockages and artery walls during PCI procedures. They also treated more patients who had had a heart attack in the last 24 hours, a measure of emergency angioplasty used to restore blood flow when a heart artery needs urgent r...Researchers discover how malaria parasite disperses from red blood cells
...oratory of Cellular and Molecular Biophysics. One dye stained the blood cells green, the other stained the parasites red. In the first stage of the merozoites' release, which the researchers dubbed the "irregular schizont" stage, the red blood cell resembles a lop-sided fried egg, with the parasites vis...Women are receiving less aggressive treatment for chest pain and heart attacks than men, study finds
..., during which physicians use a catheter to inject dye into the arteries to identify blockages. Overall, 15 percent fewer women underwent angiography, and 20 percent fewer high-risk women than high-risk men had the test. "It wasn't that once the disease was documented, physicians ignored women and didn't...Robotic treadmill training helps retrain brain, improves walking
...SPECT involves the administration of a radioactive dye that migrates to the patient's brain and produces a three-dimensional image of hot spots of brain activity. Other UT Southwestern researchers involved in the study were Dr. Roderick McColl, associate professor of radiology; Dr. Ross Querry, assistant...Scientists directly view immune cells interacting to avert autoimmunity
...been accomplished. The scientists used fluorescent dye to mark different types of cells so they could directly observe the interactions of the key cell types involved in initiating autoimmune attacks and the control of their actions by therapeutic regulatory T cells. The "nonobese diabetic" (nob) mouse m...UCSD laser technique sheds light on strokes
...mbers used tightly focused laser light to excite a dye that they had injected into the bloodstream. The excited dye reacted with oxygen to form a free radical, which "nicked" the cells lining the blood vessel at the ...Blood flow in brain takes a twist, affecting views of Alzheimer's
...s in living organisms. The team used a fluorescent dye to light up the blood vessels, then put a special form of the chemical calcium into astrocytes. They used one laser to activate the calcium, and another laser to monitor how astrocytes processed the chemical. They found that astrocytes caused blood v...More training needed to ensure accuracy of urine drug tests
...ample is checked immediately for temperature; blue dye is placed in standing water; and a staff member directly observes the patient or is present inside the bathroom. Only 23 percent of physicians used an effective method of collecting urine samples, and only ten percent of physicians knew that nitrou...Study finds room for improvement in angioplasty, shows what can be done to cut risks
...cessary of the blood-thinning drug heparin, or the dye that lets doctors see blockages while they perform...nce tools that could be used to calculate how much dye was appropriate for each patient, or what their risk of suffering complications might be thereby al...Predicting successful outcomes in living-donor liver transplants
...LDLT) found that measuring how a certain non-toxic dye was eliminated by the liver shortly after surgery was an accurate indicator of liver function, and therefore a reliable indicator of the outcome of the procedure. The study used a simple non-invasive device to measure the dye, making it particularly ...Molecular imaging may lead to earlier diagnosis of childhood respiratory virus
...A or DNA) shaped like a hairpin with a fluorescent dye molecule on one end and a quencher molecule on the other end. They are designed to fluoresce only when they bind to a complementary target in this case, RSV genomic RNA. "For the first time, we were able to visualize an important part of the RSV vir...Quick trip to cath lab best for women with acute coronary syndromes
... through a nick in an artery in the groin, injects dye to aid in viewing the artery with x-rays, and performs PCI as needed, inflating an angioplasty balloon or placing an expandable stent to open the arterial blockage. In women, studies have reported conflicting data on whether PCI is the best treatmen...Study finds ways to improve detection of blood clots in the lung
...the pelvis or thighs for the leg CT. No additional dye is needed for the leg CT, which can be performed i...rare and are primarily related to the iodine-based dye that is injected; possible complications include kidney damage in patients with kidney disease and a...Old technology helps find new test for leg artery disease
...tors can also do an angiogram of the artery, using dye to show where blockages exist. But, Kramer said, "... or CT scans because of the radiation and contrast dye involved." Yet another reason this new test may be so valuable. Kramer said people with peripheral a......c cultures of basilar papilla and utricle revealed dye transfer through gap junctions between supporting cells, consistent with a role in the unique potassium cycling in the inner ear. 2. Desert Hedgehog and the Schwann Cell Soheila Sharghi-Namini, Mark Turmaine, Carola Meier, Vishal Sahni, Fujio Ume...