Interventional radiology procedures are effective in treating uterine fibroids in patients who have symptoms of the disease without causing infertility or premature menopause, a new study shows.
Uterine fibroids are nourished by blood, says Hyun S. "Kevin" Kim, MD, of Johns Hopkins Medical Institutions in Baltimore and the lead author of the study. "We found that if we block the uterine and ovarian arteries feeding the fibroid, the patients symptoms are relieved," he says. The arteries are blocked (embolized) using special particles or spheres of varying size, notes Dr. Kim. "Larger particles were used to stop the flow of blood. When calibrated spheres were used, there was a significant reduction in the flow of blood," he adds.
In the study, ovarian artery embolization and uterine artery embolization was performed on six patients during the initial procedure. Both procedures were done on these patients because the arteries were connected, that is, blood was flowing from one artery to the other. Three other patients were treated by ovarian artery embolization for residual fibroids after the initial procedure, says Dr. Kim. One patient underwent ovarian artery emobolization for residual bulky fibroids on both ovaries, he adds.
Keri Sperry | EurekAlert!
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For the first time ever, scientists have determined the cosmic origin of highest-energy neutrinos. A research group led by IceCube scientist Elisa Resconi, spokesperson of the Collaborative Research Center SFB1258 at the Technical University of Munich (TUM), provides an important piece of evidence that the particles detected by the IceCube neutrino telescope at the South Pole originate from a galaxy four billion light-years away from Earth.
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Optical spectroscopy allows investigating the energy structure and dynamic properties of complex quantum systems. Researchers from the University of Würzburg present two new approaches of coherent two-dimensional spectroscopy.
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Ultra-short, high-intensity X-ray flashes open the door to the foundations of chemical reactions. Free-electron lasers generate these kinds of pulses, but there is a catch: the pulses vary in duration and energy. An international research team has now presented a solution: Using a ring of 16 detectors and a circularly polarized laser beam, they can determine both factors with attosecond accuracy.
Free-electron lasers (FELs) generate extremely short and intense X-ray flashes. Researchers can use these flashes to resolve structures with diameters on the...
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