Masashi Niida

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Pseudomonas aeruginosa has been a major bacterial partner when MRSA (Methicillin-resistant Staphylococcus aureus) is isolated clinically. Hence, we studied the in vitro combined effect of fosfomycin (FOM) plus sulbactam/cefoperazone (SBT/CPZ) against mixed infections of MRSA and P. aeruginosa. The combined effect of FOM plus SBT/CPZ was observed through an(More)
A total of 62 conjugative R plasmids detected in 48 Escherichia coli and 19 conjugative R plasmids in 16 Salmonella strains from domestic (carrier and emerald) and feral pigeons, crows (Japanese jungle crows and carrion crows) and black kite, were examined for genetic properties. Out of the 62 E. coli R plasmids examined for fertility inhibition (Fi), 29(More)
We studied the combined effect of fosfomycin (FOM) with sulbactam/cefoperazone (SBT/CPZ) on clinical isolates of methicillin-resistant Staphylococcus aureus (MRSA, 246 strains) and Pseudomonas aeruginosa (190 strains) in vitro. In ratio of mixed serum concentration of antibiotics at three hours after intravenous administration, the combination of FOM with(More)
The in vitro antibacterial activities of oral cephem antibiotics and ketolide telithromycin against major respiratory pathogens possessing beta-lactam-resistant mutations (within the pbp gene) and/or macrolide-resistant genes (erm and mef) were examined in clinical isolates collected at 66 institutes in all over the Japan between 2002 and 2003.(More)
OBJECTIVES It is known that prophylaxis with imipenem reduces the risk of infection accompanying severe acute pancreatitis. In this study,we modified a rat experimental model of severe acute pancreatitis for antibiotic evaluation, and the effect of biapenem was compared with that of imipenem to determine the usefulness of biapenem. METHODS Severe acute(More)
Combined effects of arbekacin (ABK) with biapenem (BIPM) were examined on both in vitro and in vivo model of a mixture of MRSA and Pseudomonas aeruginosa. As a result, significant effect in vitro was observed in combined use of ABK (1/2 MIC) with BIPM (1/4 and 1/2 MIC) against MRSA as compared with ABK or BIPM alone. Against P. aeruginosa combined effect(More)
The time-lag/sequential/step by step chemotherapy by fosfomycin plus sulbactam/cefoperazone including a short time small dose of steroid was done for 27 severely infected patients suffered from various cancer or other severe basal diseases. And the staggered "intensive" chemotherapy with added arbekacin or vancomycin to the previous staggered chemotherapy(More)
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