Sentences with phrase «heart radiation dose»
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With the exception of mammography, there is no federal regulation of radiation dose for medical tests, leaving the appropriate use of heart imaging in the hands of clinicians and imaging facilities.
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The patent - pending technology, which uses detectors at the heart of the Large Hadron Collider at CERN alongside world - first radiation - hard CMOS imagers, will reduce dose uncertainties from several centimetres to just a few millimetres.
Recent studies have shown women with cancer in the left breast are at higher risk of heart disease, and that the risk increases proportionately with the dose of radiation the heart is exposed to during treatment.
The researchers found that patients capable of holding their breath over the course of treatment had a 90 percent disease - free survival, and a 96 percent overall survival, with a median reduction in radiation dose to the heart of 62 percent.
Additional work recently presented at the 2014 American Society for Radiation Oncology in San Francisco carried the work further in order to determine whether protection from the additional radiation dose in fact translated to a reduction in ischemic heart disease.
Studies have shown that the risk of heart disease is higher in this group of women after radiation treatment because it can be difficult to ensure that a sufficient dose of radiation is delivered to the left breast while adequately shielding the heart from exposure.
There were only modest acute changes in cardiac biomarkers and electrocardiograms and there were no clinically significant cardiac events in patients with high - dose radiation exposure to the heart following thoracic radiation therapy (RT) and short - term follow - up.
In a new study, experts found that most American labs do not comply with radiation dose recommendations for heart tests.
This type of treatment shapes the radiation dose around the shape of the tumor with such precision that it leaves nearby structures (eyes, heart, etc.) unharmed, minimizing side effects.