نتایج جستجو برای: total dose
تعداد نتایج: 1071349 فیلتر نتایج به سال:
BACKGROUND Many factors contribute to the high variability of doses delivered to the lungs of patients using metered dose inhalers (MDIs). Relatively little attention has been paid to the contribution to this variability of the way in which the MDI is handled before the inhalation manoeuvre. Instruction leaflets often recommend procedures at odds with those used for in vitro testing of the devi...
Total body irradiation (TBI) is a kind of external beam radiotherapy which is used in conjunction with chemotherapy with the purpose of immunosuppression before bone marrow transplantation. As recommended by AAPM dose distribution uniformity in TBI is very important and dose variation must be within ±10% of prescription dose. Patients treatment geometry for TBI techniques fall into two co...
Erythropoietin combined with parenteral iron sucrose therapy is an alternative to blood transfusion in anemic patients. It was shown to be effective in surgical patients in several previous studies when used in conjunction with other methods. However, there are no guidelines about safety limits in dosage amounts or intervals. In this study, we report a case of significant postoperative hemorrha...
Optimization of permanent seed implant brachytherapy plans for treatment of prostate cancer should be based on biological effective dose (BED) distributions, since dose does not accurately represent biological effects between different types of sources. Currently, biological optimization for these plans is not feasible due to the amount of time necessary to calculate the BED distribution. This ...
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