anaerobic bacteremia: decreasing rate over a 15-year the mayo clinic, the number of cases of anaerobic bacteremia decreased 45% between 1974 and 1988. in addition, the percentage of blood cultures positive for anaerobes decreased significantly even though the total number of blood cultures performed increased. the number of anaerobic bacteremias per 100,000 patient-days also declined over the 15-year period. organisms of the bacteroides fragilis group ranked third in frequency with respect to other organisms that caused aerobic and anaerobic ba ...19911925283
metronidazole- and carbapenem-resistant bacteroides thetaiotaomicron isolated in rochester, minnesota, in 2014.emerging antimicrobial resistance in members of the bacteroides fragilis group is a concern in clinical medicine. although metronidazole and carbapenem resistance have been reported in bacteroides thetaiotaomicron, a member of the b. fragilis group, they have not, to the best of our knowledge, been reported together in the same b. thetaiotaomicron isolate. herein, we report isolation of piperacillin-tazobactam-, metronidazole-, clindamycin-, ertapenem-, and meropenem-resistant b. thetaiotaomicro ...201525941219
reemergence of anaerobic bacteremia.during 1974-1988, the incidence of anaerobic bacteremia at the mayo clinic (rochester, mn) decreased. this trend occurred nationally, prompting calls for discontinuation of routine anaerobic blood cultures. however, recently, the sites of anaerobic infection have been shown not to be as predictable as once thought, and since 1993, the incidence of anaerobic bacteremia has increased significantly in our medical center.200717342637
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