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Purpose: Improving the safety of general wards is a key to reducing serious adverse events in the postoperative period. We investigated the characteristics, treatment, and outcomes of postoperative patients managed by a rapid response system (RRS) in Japan to improve postoperative management. Methods: This retrospective study analyzed cases requiring RRS intervention that were included in the In-Hospital Emergency Registry in Japan. We analyzed data reported by 34 Japanese hospitals between January 2014 and March 2018, mainly focusing on postoperative patients for whom the RRS was activated within 7 days of surgery. Non-postoperative patients, for whom the RRS was activated in all other settings, were used for comparison as necessary. Results: There were 609 (12.7%) postoperative patients among the total patients in the registry. The major criteria were staff concerns (30.2%) and low oxygen saturation (29.7%). Hypotension, tachycardia, and inability to contact physicians were observed as triggers significantly more frequently in postoperative patients when compared with non-postoperative patients. Among RRS activations within 7 days of surgery, 68.9% of activations occurred within postoperative day 3. The ordering of tests (46.8%) and fluid bolus (34.6%) were major interventions that were performed significantly more frequently in postoperative patients when compared with non-postoperative patients. The rate of RRS activations resulting in ICU care was 32.8%. The mortality rate at 1 month was 16.2%. Conclusion: Approximately, 70% of the RRS activations occurred within postoperative day 3. Circulatory problems were a more frequent cause of RRS activation in the postoperative group than in the non-postoperative group. [ABSTRACT FROM AUTHOR]

Background: The association between drugs and adverse events (AEs) has been investigated using various AE databases. The aim of this study was to provide useful information for risk minimization of antirheumatic agents by investigating the safety profiles of antirheumatic agents using the Japanese Adverse Drug Event Report database (JADER), focusing on some important serious AEs (SAEs) and their relation to time. Methods: Tumor necrosis factor-alpha inhibitors (TNF-Is), interleukin-6 inhibitors (IL-6-Is), and methotrexate (MTX) were selected as antirheumatic agents. Tuberculosis, malignant tumors, and bone marrow disorders were focused as typical SAEs. Disproportionate reporting of these SAEs was evaluated using the reporting odds ratio. Time to onset of each SAE was calculated using date information. Results: Increased reporting odds ratios were observed in tuberculosis and malignant tumors associated with TNF-I, in tuberculosis and malignant tumors associated with IL-6-I, and in tuberculosis, malignant tumors, and bone marrow disorders associated with MTX. The median time to onset of the focused SAEs associated with TNF-I were 501, 681, and 254 days, respectively; those associated with IL-6-I were 387, 636, and 116 days; and those associated with MTX were 537, 1125, and 328 days. These results suggested different profiles for the focused SAEs. Conclusion: The time-to-onset profiles of the SAEs for TNF-I, IL-6-I, and MTX as antirheumatic agent were different among different SAEs, which suggests that they should be monitored carefully based on the profiles. The information from JADER is expected to contribute to the risk minimization of drugs in the actual clinical practice. [ABSTRACT FROM AUTHOR]

Background: The association between drugs and adverse events (AEs) has been investigated using various AE databases. The aim of this study was to provide useful information for risk minimization of antirheumatic agents by investigating the safety profiles of antirheumatic agents using the Japanese Adverse Drug Event Report database (JADER), focusing on some important serious AEs (SAEs) and their relation to time., Methods: Tumor necrosis factor-alpha inhibitors (TNF-Is), interleukin-6 inhibitors (IL-6-Is), and methotrexate (MTX) were selected as antirheumatic agents. Tuberculosis, malignant tumors, and bone marrow disorders were focused as typical SAEs. Disproportionate reporting of these SAEs was evaluated using the reporting odds ratio. Time to onset of each SAE was calculated using date information., Results: Increased reporting odds ratios were observed in tuberculosis and malignant tumors associated with TNF-I, in tuberculosis and malignant tumors associated with IL-6-I, and in tuberculosis, malignant tumors, and bone marrow disorders associated with MTX. The median time to onset of the focused SAEs associated with TNF-I were 501, 681, and 254 days, respectively; those associated with IL-6-I were 387, 636, and 116 days; and those associated with MTX were 537, 1125, and 328 days. These results suggested different profiles for the focused SAEs., Conclusion: The time-to-onset profiles of the SAEs for TNF-I, IL-6-I, and MTX as antirheumatic agent were different among different SAEs, which suggests that they should be monitored carefully based on the profiles. The information from JADER is expected to contribute to the risk minimization of drugs in the actual clinical practice.