Frederic Bert

Summary

Country: France

Publications

  1. doi request reprint Frequency and epidemiology of extended-spectrum β-lactamase-producing Enterobacteriaceae isolates susceptible to third-generation cephalosporins or to aztreonam
    F Bert
    Service de Microbiologie, Hopital Beaujon, AP HP, 100, boulevard du General Leclerc, 92110 Clichy, France Electronic address
    Med Mal Infect 44:76-8. 2014
  2. pmc Pretransplant fecal carriage of extended-spectrum β-lactamase-producing Enterobacteriaceae and infection after liver transplant, France
    Frederic Bert
    Hopital Beaujon, Clichy, France
    Emerg Infect Dis 18:908-16. 2012
  3. doi request reprint Molecular epidemiology of Escherichia coli bacteremia in liver transplant recipients
    F Bert
    Department of Microbiology, Hopital Beaujon, Assistance Publique Hopitaux de Paris, AP HP, Clichy, France
    Transpl Infect Dis 13:359-65. 2011
  4. pmc Genetic diversity and virulence profiles of Escherichia coli isolates causing spontaneous bacterial peritonitis and bacteremia in patients with cirrhosis
    Frederic Bert
    Service de Microbiologie, Hopital Beaujon, 100 Boulevard du General Leclerc, 92110 Clichy, France
    J Clin Microbiol 48:2709-14. 2010
  5. doi request reprint Microbial epidemiology and outcome of bloodstream infections in liver transplant recipients: an analysis of 259 episodes
    Frederic Bert
    Department of Microbiology, APHP, Beaujon Hospital, Clichy, France
    Liver Transpl 16:393-401. 2010
  6. doi request reprint Genetic background of Escherichia coli isolates from patients with spontaneous bacterial peritonitis: relationship with host factors and prognosis
    F Bert
    Service de Microbiologie, Hôpital AP HP Beaujon, Clichy, France
    Clin Microbiol Infect 14:1034-40. 2008
  7. doi request reprint [Emergence of vancomycin-dependent enterococci following glycopeptide therapy: case report and review]
    F Bert
    Service de Microbiologie, Hopital Beaujon, AP HP, 100, boulevard du General Leclerc, 92110 Clichy, France
    Pathol Biol (Paris) 57:56-60. 2009
  8. pmc Evaluation and updating of the Osiris expert system for identification of Escherichia coli beta-lactam resistance phenotypes
    Frederic Bert
    Service de Microbiologie, Hopital Beaujon, 100 Boulevard du General Leclerc, 92110 Clichy, France
    J Clin Microbiol 43:1846-50. 2005
  9. doi request reprint 10-Fold increase (2006-11) in the rate of healthy subjects with extended-spectrum β-lactamase-producing Escherichia coli faecal carriage in a Parisian check-up centre
    Marie Hélène Nicolas-Chanoine
    Hopital Beaujon, AP HP, Clichy, France
    J Antimicrob Chemother 68:562-8. 2013
  10. doi request reprint Detection of bacterial DNA in serum and ascitic fluid of asymptomatic outpatients with cirrhosis and non-neutrocytic ascites
    Thomas Sersté
    Service d Hepatologie, Hôpital AP HP Beaujon, Clichy, France
    Liver Int 31:494-8. 2011

Detail Information

Publications32

  1. doi request reprint Frequency and epidemiology of extended-spectrum β-lactamase-producing Enterobacteriaceae isolates susceptible to third-generation cephalosporins or to aztreonam
    F Bert
    Service de Microbiologie, Hopital Beaujon, AP HP, 100, boulevard du General Leclerc, 92110 Clichy, France Electronic address
    Med Mal Infect 44:76-8. 2014
    ....
  2. pmc Pretransplant fecal carriage of extended-spectrum β-lactamase-producing Enterobacteriaceae and infection after liver transplant, France
    Frederic Bert
    Hopital Beaujon, Clichy, France
    Emerg Infect Dis 18:908-16. 2012
    ..Transplant candidates should be systematically screened for carriage, and posttransplant infection in carriers should be treated with carbapenems...
  3. doi request reprint Molecular epidemiology of Escherichia coli bacteremia in liver transplant recipients
    F Bert
    Department of Microbiology, Hopital Beaujon, Assistance Publique Hopitaux de Paris, AP HP, Clichy, France
    Transpl Infect Dis 13:359-65. 2011
    ..Time of onset and source of bacteremia, not bacterial characteristics, predict mortality...
  4. pmc Genetic diversity and virulence profiles of Escherichia coli isolates causing spontaneous bacterial peritonitis and bacteremia in patients with cirrhosis
    Frederic Bert
    Service de Microbiologie, Hopital Beaujon, 100 Boulevard du General Leclerc, 92110 Clichy, France
    J Clin Microbiol 48:2709-14. 2010
    ..However, approximately half of the isolates belong to familiar clonal groups and exhibit extensive virulence profiles that may be associated with greater invasive potential...
  5. doi request reprint Microbial epidemiology and outcome of bloodstream infections in liver transplant recipients: an analysis of 259 episodes
    Frederic Bert
    Department of Microbiology, APHP, Beaujon Hospital, Clichy, France
    Liver Transpl 16:393-401. 2010
    ..47). In conclusion, BSIs are frequent and early complications after liver transplantation and are mostly caused by gram-negative bacilli. A BSI in the first posttransplant month is a significant predictor of 1-year survival...
  6. doi request reprint Genetic background of Escherichia coli isolates from patients with spontaneous bacterial peritonitis: relationship with host factors and prognosis
    F Bert
    Service de Microbiologie, Hôpital AP HP Beaujon, Clichy, France
    Clin Microbiol Infect 14:1034-40. 2008
    ..coli isolates causing SBP vary with the severity of liver disease and with fluoroquinolone prophylaxis. Host factors are more important than bacterial factors in predicting in-hospital mortality...
  7. doi request reprint [Emergence of vancomycin-dependent enterococci following glycopeptide therapy: case report and review]
    F Bert
    Service de Microbiologie, Hopital Beaujon, AP HP, 100, boulevard du General Leclerc, 92110 Clichy, France
    Pathol Biol (Paris) 57:56-60. 2009
    ..Outbreaks of vancomycin-resistant enterococci have been increasingly reported in France over the last three years. We report here, the emergence of a vancomycin-dependent enterococci isolate following glycopeptide therapy...
  8. pmc Evaluation and updating of the Osiris expert system for identification of Escherichia coli beta-lactam resistance phenotypes
    Frederic Bert
    Service de Microbiologie, Hopital Beaujon, 100 Boulevard du General Leclerc, 92110 Clichy, France
    J Clin Microbiol 43:1846-50. 2005
    ..After the interpretative guidelines of the EES were updated according to our results, the percentage of correct phenotype identification increased from 78 to 96%...
  9. doi request reprint 10-Fold increase (2006-11) in the rate of healthy subjects with extended-spectrum β-lactamase-producing Escherichia coli faecal carriage in a Parisian check-up centre
    Marie Hélène Nicolas-Chanoine
    Hopital Beaujon, AP HP, Clichy, France
    J Antimicrob Chemother 68:562-8. 2013
    ..In 2006, 0.6% of healthy subjects living in the Paris area had extended-spectrum β-lactamase (ESBL)-producing Escherichia coli in their gut. To assess the evolution of this rate, a study identical to that of 2006 was conducted in 2011...
  10. doi request reprint Detection of bacterial DNA in serum and ascitic fluid of asymptomatic outpatients with cirrhosis and non-neutrocytic ascites
    Thomas Sersté
    Service d Hepatologie, Hôpital AP HP Beaujon, Clichy, France
    Liver Int 31:494-8. 2011
    ..The aim of this prospective study was to investigate the presence of bactDNA in AF and serum among cirrhotic outpatients with non-neutrocytic ascites...
  11. ncbi request reprint Comparative study of postoperative and spontaneous pyogenic spondylodiscitis
    Véronique Dufour
    Hopital Beaujon, Clichy, Assistance Publique Hopitaux de Paris, France
    Semin Arthritis Rheum 34:766-71. 2005
    ..The aim of this prospective study was to compare the clinical, biological, bacteriological, and imaging features of postoperative and spontaneous spondylodiscitis (SS)...
  12. doi request reprint Bacteraemia caused by third-generation cephalosporin-resistant Escherichia coli in France: prevalence, molecular epidemiology and clinical features
    A Courpon-Claudinon
    AP HP, Hopital Louis Mourier, Service de Microbiologie Hygiène, Colombes, France
    Clin Microbiol Infect 17:557-65. 2011
    ..The fact that the molecular support of 3GC resistance is mainly plasmid-mediated represents a potentially epidemic threat...
  13. pmc Prevalence, molecular epidemiology, and clinical significance of heterogeneous glycopeptide-intermediate Staphylococcus aureus in liver transplant recipients
    Frederic Bert
    Department of Microbiology, Hospital Beaujon, Clichy, France
    J Clin Microbiol 41:5147-52. 2003
    ..These results suggest that the high prevalence of hGISA among our patients was due to the clonal spread of a multiresistant strain...
  14. ncbi request reprint Viridans group streptococci: an underestimated cause of spontaneous bacterial peritonitis in cirrhotic patients with ascites
    Frederic Bert
    Department of Microbiology, Hopital Beaujon, Clichy, France
    Eur J Gastroenterol Hepatol 17:929-33. 2005
    ....
  15. ncbi request reprint Comparative activity of beta-lactam agents (carbapenem excepted) against Pseudomonas aeruginosa strains with CARB or OXA beta-lactamases
    Frederic Bert
    Hopital Beaujon, Service de Microbiologie, Clichy, France
    Chemotherapy 50:31-4. 2004
    ..Ticarcillin resistance in Pseudomonas aeruginosa can be mediated by various beta-lactamases of the CARB and OXA groups...
  16. ncbi request reprint Risk factors for Staphylococcus aureus infection in liver transplant recipients
    Frederic Bert
    Services de Microbiologie, Hopital Beaujon, Clichy, France
    Liver Transpl 11:1093-9. 2005
    ..aureus infection in liver transplant recipients. The infection is most often of endogenous origin. Alcoholic cirrhosis and the severity of liver failure are also associated with a high risk of infection...
  17. doi request reprint Risk factors for Enterobacteriaceae bacteremia after liver transplantation
    Claire Bellier
    Department of Internal Medicine, Beaujon Hospital, Assistance Publique Hopitaux de Paris, Clichy, France
    Transpl Int 21:755-63. 2008
    ..Patients grafted for a posthepatitic cirrhosis, with a severe pretransplantation status, with a positive bile culture and those undergoing reoperation have a high risk of developing EB...
  18. doi request reprint Early-onset pneumonia after liver transplantation: microbiological findings and therapeutic consequences
    Emmanuel Weiss
    Departments of Anesthesiology and Critical Care, Beaujon University Hospital, Clichy, France
    Liver Transpl 16:1178-85. 2010
    ..At the time of treatment initiation, an antimicrobial regimen usually proposed for late-onset pneumonia should be followed...
  19. ncbi request reprint [Risk factors and treatment of methicillin-resistant Staphylococcus aureus infections]
    Frederic Bert
    Service de Microbiologie, Hopital Beaujon, AP HP, 100, boulevard du Général Leclerc 92110 Clichy
    Presse Med 31:1792-6. 2002
    ....
  20. doi request reprint Plasma proteome to look for diagnostic biomarkers of early bacterial sepsis after liver transplantation: a preliminary study
    Catherine Paugam-Burtz
    Department of Anesthesiology and Critical Care, University Hospital, Assistance Publique Hopitaux de Paris, Hopital Beaujon, Bd du Général Leclerc, Clichy, France
    Anesthesiology 112:926-35. 2010
    ..This study used plasma profiling coupling Proteinchip array with surface-enhanced laser desorption ionization time-of-fly mass spectrometry to search for biomarkers of postoperative sepsis in patients who underwent liver transplantation...
  21. pmc Host factors and portal of entry outweigh bacterial determinants to predict the severity of Escherichia coli bacteremia
    Agnes Lefort
    AP HP, Hopital Beaujon, Service de Medecine Interne, 92110 Clichy Cedex, France
    J Clin Microbiol 49:777-83. 2011
    ..46 [95% CI, 0.30 to 0.70] and OR = 0.53 [95% CI, 0.30 to 0.91], respectively). In summary, host factors and the portal of entry outweigh bacterial determinants for predicting E. coli bacteremia severity...
  22. pmc In vitro selection of ramR and soxR mutants overexpressing efflux systems by fluoroquinolones as well as cefoxitin in Klebsiella pneumoniae
    Suzanne Bialek-Davenet
    Service de Microbiologie, Hôpital AP HP Beaujon, Clichy, France
    Antimicrob Agents Chemother 55:2795-802. 2011
    ..This study shows that the ramR and soxR genes control the expression of efflux systems in K. pneumoniae and suggests the existence of efflux pumps other than AcrAB and of other loci involved in the regulation of AcrAB expression...
  23. pmc Evaluation of the Osiris expert system for identification of beta-lactam phenotypes in isolates of Pseudomonas aeruginosa
    Frederic Bert
    Service de Microbiologie, Hopital Beaujon, 92110 Clichy, France
    J Clin Microbiol 41:3712-8. 2003
    ..aeruginosa beta-lactam phenotypes. A specific double-disk synergy test with reduced disk distances is necessary for the detection of ESBL production by this organism...
  24. ncbi request reprint Evaluation of the management of postoperative aseptic meningitis
    Virginie Zarrouk
    Department of Internal Medicine, Beaujon Hospital, Assistance Publique Hopitaux de Paris, Clichy, France
    Clin Infect Dis 44:1555-9. 2007
    ..However, this approach is not universally accepted and has not been assessed in clinical trials...
  25. ncbi request reprint Norfloxacin reduces aortic NO synthases and proinflammatory cytokine up-regulation in cirrhotic rats: role of Akt signaling
    Khalid A Tazi
    Laboratoire d Hémodynamique Splanchnique et de Biologie Vasculaire, INSERM, Hopital Beaujon, Clichy, France
    Gastroenterology 129:303-14. 2005
    ..In this study, we investigated the signal transduction pathway of bacterial translocation-induced aortic NOS up-regulation in cirrhotic rats...
  26. pmc Early diagnosis of extrapulmonary tuberculosis by a new procedure combining broth culture and PCR
    Latifa Noussair
    Microbiology Department, Hopital Beaujon, Assistance Publique Hopitaux de Paris, Clichy, France
    J Clin Microbiol 47:1452-7. 2009
    ..6%, 100%, 100%, and 97.9%, respectively. These results indicate that culture-enhanced PCR is a highly sensitive and specific method for the early detection of M. tuberculosis in extrapulmonary specimens...
  27. doi request reprint Curbing methicillin-resistant Staphylococcus aureus in 38 French hospitals through a 15-year institutional control program
    Vincent Jarlier
    Université Pierre et Marie Curie Hôpital Pitié Salpêtrière, Assistance Publique Hopitaux de Paris, France
    Arch Intern Med 170:552-9. 2010
    ..In the late 1980s, the proportion of methicillin resistance among clinical strains of Staphylococcus aureus (MRSA) reached approximately 40% at AP-HP...
  28. ncbi request reprint [Interest of the disk diffusion method for screening Clostridium difficile isolates with decreased susceptibility to antibiotics]
    I Poilane
    Laboratoire de Microbiologie, Hopital Jean Verdier, Assistance Publique Hopitaux de Paris, Avenue du 14 Juillet, 93140 Bondy, France
    Pathol Biol (Paris) 55:429-33. 2007
    ..The aim of this study was to evaluate the performance of antibiotic susceptibility determination with the disk diffusion method for screening C. difficile isolates with decreased susceptibility to antibiotics...
  29. doi request reprint Microbiological findings of culture-positive preservation fluid in liver transplantation
    S Janny
    Department of Anesthesiology, Beaujon University Hospital, Hopital Beaujon, Assistance Publique Hopitaux de Paris, Clichy, France
    Transpl Infect Dis 13:9-14. 2011
    ..3.8%, P < 0.005). Those who develop infection with organisms recovered from PF cultures appear to have high early mortality rates; therefore, appropriate antimicrobial therapy against organisms cultured from PF should be given...
  30. ncbi request reprint Effect of bile contamination on immediate outcomes after pancreaticoduodenectomy for tumor
    Alexandre Cortes
    Department of Surgery, Hospital Beaujon, Assistance Publique Hopitaux de Paris, Universite Paris VII, Clichy, France
    J Am Coll Surg 202:93-9. 2006
    ..Among drawbacks of biliary drainage, bile contamination and its consequences are incompletely evaluated. This study aimed to compare outcomes after PD in patients with sterile and those with infected bile...
  31. ncbi request reprint Nosocomial and community-acquired spontaneous bacterial peritonitis: comparative microbiology and therapeutic implications
    F Bert
    Department of Microbiology, Hospital Beaujon, 100 Boulevard du General Leclerc, 92110 Clichy, France
    Eur J Clin Microbiol Infect Dis 22:10-5. 2003
    ..The results indicate that the empirical treatment of spontaneous bacterial peritonitis should differ for nosocomial and community-acquired cases...
  32. ncbi request reprint Identification of PSE and OXA beta-lactamase genes in Pseudomonas aeruginosa using PCR-restriction fragment length polymorphism
    Frederic Bert
    Department of Microbiology, Hospital Beaujon, 100 Boulevard du General Leclerc, 92110 Clichy, France
    J Antimicrob Chemother 50:11-8. 2002
    ..A method using PCR-restriction fragment length polymorphism was developed to identify Pseudomonas aeruginosa beta-lactamase genes...