Fujiidera City Hospital

Fujiidera, Japan

Fujiidera City Hospital

Fujiidera, Japan

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Shinagawa N.,University of Tokyo | Taniguchi M.,Ookuma Hospital | Hirata K.,Sapporo Medical University | Furuhata T.,Sapporo Medical University | And 49 more authors.
Japanese Journal of Antibiotics | Year: 2014

Bacteria isolated from surgical infections during the period from April 2011 to March 2012 were investigated in a multicenter study in Japan, and the following results were obtained. In this series, 785 strains including 3 1 strains of Candida spp. were isolated from 204 (78.8%) of 259 patients with surgical infections. Five hundred and twenty three strains were isolated from primary infections, and 231 strains were isolated from surgical site infection. From primary infections, anaerobic Gram-negative bacteria were predominant, followed by aerobic Gram-negative bacteria, while from surgical site infection aerobic Gram-positive bacteria were predominant, followed by anaerobic Gram-negative bacteria. Among aerobic Gram-positive bacteria, the isolation rate of Enterococcus spp. was highest, followed by Streptococcus spp. and Staphylococcus spp., in this order, from primary infections, while Enterococcus spp. was highest, followed by Staphylococcus spp. from surgical site infection. Among aerobic Gram-negative bacteria, Escherichia coil was the most predominantly isolated from primary infections, followed by Kiebsielia pneumoniae, Pseudomonas aeruginosa and Enterobacter cioacae, in this order, and from surgical site infection, E. coil was most predominantly isolated, followed by F aeruginosa, K. pneumoniae, and E. cioacae. Among anaerobic Gram-positive bacteria, the isolation rate of Eggertheiia lenta was the highest from primary infections, followed by Parvimonas micra, Coilinseila aerofaciens, Lactobaciiius acidophilus and Finegoidia magna, and from surgical site infection, E. ienta was most predominantly isolated, followed by F micra and L. acidophiius, in this order. Among anaerobic Gram-negative bacteria, the isolation rate of Bacteroidesfragiiis was the highest from primary infections, followed by Bilophila wadsworthia, Bactero ides thetaiotaomicron, Bacteroides unformis and Bactero ides vuigatus, and from surgical site infection, B. fragiiis was most predominantly isolated, followed by Bactero ides caccae, B. thetaiotaomicron, Bactero ides ovatus and B. wadsworthia, in this order. In this series, vancomycin-resistant MRSA (methicillin-resistant Staphylococcus aureus), vancomycinresistant Enterococcus spp. and multidrug-resistant F aeruginosa were not observed. We should carefully follow up B. wadsworthia which was resistant to various antimicrobial agents, and also Bacteroides spp. which was resistant to many ,lJ-lactams.


Shinagawa N.,University of Tokyo | Hoshikawa T.,Takikawa Municipal Hospital | Oshima H.,Takikawa Municipal Hospital | Aikawa N.,Keio University | And 49 more authors.
Japanese Journal of Antibiotics | Year: 2014

Bacteria isolated from surgical infections during the period from April 2010 to March 2011 were investigated in a multicenter study in Japan, and the following results were obtained. In this series, 631 strains including 25 strains of Candida spp. were isolated from 170 (81.7%) of 208 patients with surgical infections. Four hundred and twenty two strains were isolated from primary infections, and 184 strains were isolated from surgical site infection. From primary infections, anaerobic Gram-negative bacteria were predominant, followed by aerobic Gram-negative bacteria, while from surgical site infection aerobic Gram-positive bacteria were predominant, followed by anaerobic Gram-negative bacteria. Among aerobic Gram-positive bacteria, the isolation rate of Enterococcus spp. such as Enterococcus faecalis, Enterococcus faecium, and Enterococcus avium was highest, followed by Streptococcus spp. such as Streptococcus anginosus and Staphylococcus spp. such as Staphylococcus aureus, in this order, from primary infections, while Enterococcus spp. such as E. faecalis and E. faecium was highest, followed by Staphylococcus spp. such as S. aureus from surgical site infection. Among aerobic Gram-negative bacteria, Escherichia coli was the most predominantly isolated from primary infections, followed by Klebsiella pneumoniae, Klebsiella oxytoca, Enterobacter cloacae, and Pseudomonas aeruginosa in this order, and from surgical site infection, E. coli and P. aeruginosa were most predominantly isolated, followed by E. cloacae and K. pneumoniae. Among anaerobic Gram-positive bacteria, the isolation rates of Parvimonas micro, Eggerthella lenta, Streptococcus constellatus, Gemella morbillorum, and Collinsella aerofaciens were the highest from primary infections, and the isolation rate from surgical site infection was generally low. Among anaerobic Gram-negative bacteria, the isolation rate of Bilophila wadsworthia was the highest from primary infections, followed by, Bacteroides fragilis and Bacteroides ovatus, and from surgical site infection, B.fragilis was most predominantly isolated, followed by Bacteroides thetaiotaomicron, in this order. In this series, vancomycin-resistant MRSA (methicillin-resistant S. aureus), vancomycin-resistant Enterococcus spp. and multidrug-resistant P. aeruginosa were not observed.


Shinagawa N.,Nippon Telegraph and Telephone | Hasegawa M.,Nippon Telegraph and Telephone | Kosho W.,Akabira General Hospital | Hirata K.,Sapporo Medical University | And 55 more authors.
Japanese Journal of Antibiotics | Year: 2010

Bacteria isolated from infections in abdominal surgery during the period from April 2008 to March 2009 were investigated in a multicenter study in Japan, and the following results were obtained. In this series, 712 strains including 18 strains of Candida spp. were isolated from 173 (80.5%) of 215 patients with surgical infections. Three hundred and sixty-six strains were isolated from primary infections, and 346 strains were isolated from postoperative infections. From primary infections, anaerobic Gram-negative bacteria were predominant, followed by aerobic Gram-negative bacteria, while from postoperative infections aerobic Gram-positive bacteria were predominant, followed by anaerobic Gram-negative bacteria. Among aerobic Gram-positive bacteria, the isolation rate of Enterococcus spp. was highest, followed by Streptococcus spp., and Staphylococcus spp. in this order, from primary infections, while Enterococcus spp. was highest, followed by Staphylococcus spp. from postoperative infections. Among aerobic Gram-negative bacteria, Escherichia coli was the most predominantly isolated from primary infections, followed by Klebsiella pneumoniae and Pseudomonas aeruginosa, in this order, and from postoperative infections, P. aeruginosa was most predominantly isolated, followed by E. coli, Enterobacter cloacae, and K. pneumoniae. Among anaerobic Gram-positive bacteria, the isolation rate of Eggerthella lenta was the highest from primary infections, followed by Parvimonas micra, Streptococcus constellatus and Gemella morbillorum, and from postoperative infections, E. lenta was most predominantly isolated. Among anaerobic Gram-negative bacteria, the isolation rate of Bacteroides fragilis was the highest from primary infections, followed by Bacteroides thetaiotaomicron, Bacteroides ovatus and Bilophila wadsworthia, and from postoperative infections, B. fragilis was most predominantly isolated, followed by B. thetaiotaomicron, B. wadsworthia and B. ovatus, in this order. In this series, we noticed no vancomycin-resistant methicillin-resistant S. aureus, and Enterococcus spp., nor multidrug-resistant P. aeruginosa. We should carefully follow up B. wadsworthia which was resistant to various antibiotics, and also Bacteroides spp. which was resistant to many β-lactam antibiotics.


Shinagawa N.,University of Tokyo | Hirata K.,Sapporo Medical University | Furuhata T.,Sapporo Medical University | Mizukuchi T.,Sapporo Medical University | And 56 more authors.
Japanese Journal of Antibiotics | Year: 2011

Bacteria isolated from surgical infections during the period from April 2009 to March 2010 were investigated in a multicenter study in Japan, and the following results were obtained. In this series, 671 strains including 16 strains of Candida spp. were isolated from 174 (79.1%) of 220 patients with surgical infections. Four hundred and eleven strains were isolated from primary infections, and 244 strains were isolated from surgical site infection. From primary infections, anaerobic Gram-negative bacteria were predominant, followed by aerobic Gram-negative bacteria, while from surgical site infection aerobic Gram-positive bacteria were predominant, followed by anaerobic Gram-negative bacteria. Among aerobic Gram-positive bacteria, the isolation rate of Enterococcus spp. was highest, followed by Streptococcus spp., and Staphylococcus spp. in this order, from primary infections, while Enterococcus spp. was highest, followed by Staphylococcus spp. from surgical site infection. Among aerobic Gram-negative bacteria, Escherichia coli was the most predominantly isolated from primary infections, followed by Klebsiella pneumoniae, Enterobacter cloacae and Pseudomonas aeruginosa, in this order, and from surgical site infection, E. coli was most predominantly isolated, followed by P. aeruginosa and E. cloacae. Among anaerobic Gram-positive bacteria, the isolation rate of Eggerthella lenta was the highest from primary infections, followed by Parvimonas micra, Streptococcus constellatus and Finegoldia magna, and from surgical site infection, E. lenta was most predominantly isolated. Among anaerobic Gram-negative bacteria, the isolation rate of Bilophila wadsworthia was the highest from primary infections, followed by Bacteroides fragilis, Bacteroides ovatus and Bacteroides thetaiotaomicron, and from surgical site infection, B. fragilis was most predominantly isolated, followed by B. ovatus, B. wadsworthia and B. thetaiotaomicron, in this order. In this series, we noticed no vancomycin-resistant Gram-positive cocci, nor multidrug-resistant P. aeruginosa. We should carefully follow up B. wadsworthia which was resistant to various antibiotics, and also Bacteroides spp. which was resistant to many β-lactam antibiotics.


Kimura A.,Kurume University | Kage M.,Kurume University | Nagata I.,Tottori University | Mushiake S.,Osaka University | And 17 more authors.
Hepatology Research | Year: 2010

Aim: To characterize the histological features of the livers of patients with neonatal intrahepatic cholestasis caused by citrin deficiency (NICCD), we studied specimens from 30 patients diagnosed with NICCD by genetically analyzing the SLC25A13 gene. Methods: Liver biopsy specimens were subjected to hematoxylin-eosin, Azan, and Berlin-blue staining. Results: Most specimens showed varying degrees of fibrosis. The degree of inflammation varied among the specimens, with half showing moderate or severe inflammatory changes. Fat deposition in hepatocytes was observed in almost all of the specimens, and severe fatty liver was noted in 20 (67%) of them. There was a mixture of two types of hepatocytes with macrovesicular or microvesicular fat droplets, and cholestasis was observed at a rate of 77%. Hemosiderin deposition, mostly mild and localized in periportal hepatocytes and macrophages in portal areas, was observed in 57% of the specimens. Conclusion: A combination of mixed macrovesicular and microvesicular fatty hepatocytes and the above-described findings, such as fatty liver, cholestasis, necroinflammatory reaction and iron deposition, are almost never observed in other liver diseases in infants and adults. We believe that NICCD is a disease with characteristic hepatopathological features. © 2010 The Japan Society of Hepatology.

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