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癌と化学療法
Abstract
Hepatitis B virus(HBV)reactivation has been reported as a fatal complication following systemic chemotherapy or other immunosuppressive therapies. The Japanese Guidelines for HBV reactivation were published in 2009. Despite the publication of these guidelines, there have been some reports of fulminant hepatitis B. Therefore, it was suggested that the guidelines were not yet been widely implemented. We investigated whether the guidelines had been implemented in our hospital. After the evaluation, it was determined that 89%of HBV cases were screened for the HBV surface antigen(HBs-Ag). Additionally, the screening for HBV surface antibody(HBs-Ab)and HBV core antibody(HBc-Ab)should be performed in cases negative for HBs-Ag, which was performed in only 17% of HBs-Ag-negative cases. It was concluded that the guidelines had not been implemented in our hospital. Therefore, we conducted educational activities to promote the implementation of the guidelines. Screening tests were performed in all 270 HBV cases between January and June 2013. Two antigen-positive carriers wereidentified. The rate of HBs-Ag-negative and/or HBcantibody -positive cases was 20.3%. Of these, 76.4%were tested using a DNA quantitative test, but DNA quantification did not increase in any case. HBV reactivation is expected to increase due to the development of new drugs and the use of diverse regimens. All physicians who perform immunotherapy and chemotherapy should immediately participate in educational activities.
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