G E Pfyffer

Summary

Affiliation: University of Zurich
Country: Switzerland

Publications

  1. pmc Performance characteristics of the BDProbeTec system for direct detection of Mycobacterium tuberculosis complex in respiratory specimens
    G E Pfyffer
    Swiss National Center for Mycobacteria, Department of Medical Microbiology, University of Zurich, CH 8028 Zurich, Switzerland
    J Clin Microbiol 37:137-40. 1999
  2. pmc Mycobacterium canettii, the smooth variant of M. tuberculosis, isolated from a Swiss patient exposed in Africa
    G E Pfyffer
    Swiss National Center for Mycobacteria, Department of Medical Microbiology, University of Zurich, Switzerland
    Emerg Infect Dis 4:631-4. 1998
  3. pmc Multicenter laboratory validation of susceptibility testing of Mycobacterium tuberculosis against classical second-line and newer antimicrobial drugs by using the radiometric BACTEC 460 technique and the proportion method with solid media
    G E Pfyffer
    Swiss National Center for Mycobacteria, Department of Medical Microbiology, University of Zurich, Zurich, Switzerland
    J Clin Microbiol 37:3179-86. 1999
  4. pmc Multidrug-resistant tuberculosis in prison inmates, Azerbaijan
    G E Pfyffer
    University of Zurich, Switzerland
    Emerg Infect Dis 7:855-61. 2001
  5. ncbi request reprint Resistance to antimicrobial agents in Mycobacterium tuberculosis
    G E Pfyffer
    Swiss National Center for Mycobacteria, Department of Medical Microbiology, University of Zurich, Gloriastrasse 30, CH 8028 Zurich
    Acta Cient Venez 52:36-9. 2001
  6. pmc Etiological agents of mycobacterioses in pet birds between 1986 and 1995
    R K Hoop
    Institute of Veterinary Bacteriology, University of Zurich, Switzerland
    J Clin Microbiol 34:991-2. 1996
  7. ncbi request reprint Can the API (RAPID) Coryne system be used for identification of rapidly growing mycobacteria?
    S Brunner
    Department of Medical Microbiology, University of Zurich, Gloriastrasse 32, CH 8028, Zurich, Switzerland
    J Microbiol Methods 43:241-4. 2001
  8. ncbi request reprint Enteric infections and diarrhea in human immunodeficiency virus-infected persons: prospective community-based cohort study. Swiss HIV Cohort Study
    R Weber
    Department of Medicine, University Hospital, Zurich, Switzerland
    Arch Intern Med 159:1473-80. 1999
  9. ncbi request reprint Ocular manifestation of disseminated Mycobacterium simiae infection in a cat
    U Dietrich
    Department of Small Animal Surgery Ophthalmology, University of Zurich, Winterthurerstrasse 260, CH 8057 Zurich, Switzerland
    J Small Anim Pract 44:121-5. 2003

Collaborators

Detail Information

Publications9

  1. pmc Performance characteristics of the BDProbeTec system for direct detection of Mycobacterium tuberculosis complex in respiratory specimens
    G E Pfyffer
    Swiss National Center for Mycobacteria, Department of Medical Microbiology, University of Zurich, CH 8028 Zurich, Switzerland
    J Clin Microbiol 37:137-40. 1999
    ..9 and 99.9%, respectively. These preliminary data demonstrate that the BDProbeTec system has promising performance characteristics with respiratory specimens and that it allows the detection of M. tuberculosis complex within hours...
  2. pmc Mycobacterium canettii, the smooth variant of M. tuberculosis, isolated from a Swiss patient exposed in Africa
    G E Pfyffer
    Swiss National Center for Mycobacteria, Department of Medical Microbiology, University of Zurich, Switzerland
    Emerg Infect Dis 4:631-4. 1998
    ..canettii. Like a Somali child with a similar case, this patient probably contracted the infection in Africa, which raises questions about the geographic distribution of M. canettii...
  3. pmc Multicenter laboratory validation of susceptibility testing of Mycobacterium tuberculosis against classical second-line and newer antimicrobial drugs by using the radiometric BACTEC 460 technique and the proportion method with solid media
    G E Pfyffer
    Swiss National Center for Mycobacteria, Department of Medical Microbiology, University of Zurich, Zurich, Switzerland
    J Clin Microbiol 37:3179-86. 1999
    ..tuberculosis AST with the more recently developed, nonradiometric broth-based culture systems...
  4. pmc Multidrug-resistant tuberculosis in prison inmates, Azerbaijan
    G E Pfyffer
    University of Zurich, Switzerland
    Emerg Infect Dis 7:855-61. 2001
    ..Multidrug resistance, always involving isoniazid and rifampin, was seen in 34 (52.3%) of 65 isolates, with 28 belonging to the Beijing genotype...
  5. ncbi request reprint Resistance to antimicrobial agents in Mycobacterium tuberculosis
    G E Pfyffer
    Swiss National Center for Mycobacteria, Department of Medical Microbiology, University of Zurich, Gloriastrasse 30, CH 8028 Zurich
    Acta Cient Venez 52:36-9. 2001
    ..In M. tuberculosis, the primary mechanism of drug resistance seems to be exclusively confined to chromosomal DNA and not, as in other bacteria, to mobile genetic elements as well...
  6. pmc Etiological agents of mycobacterioses in pet birds between 1986 and 1995
    R K Hoop
    Institute of Veterinary Bacteriology, University of Zurich, Switzerland
    J Clin Microbiol 34:991-2. 1996
    ..avium complex (8), M. fortuitum (2), M. tuberculosis (2), M. gordonae (1), and M. nonchromogenicum (1). The significance of M. genavense as a zoonotic agent remains to be determined...
  7. ncbi request reprint Can the API (RAPID) Coryne system be used for identification of rapidly growing mycobacteria?
    S Brunner
    Department of Medical Microbiology, University of Zurich, Gloriastrasse 32, CH 8028, Zurich, Switzerland
    J Microbiol Methods 43:241-4. 2001
    ..Both groups yielded codes with low identification scores, considerable overlaps, and similar diagnoses. No species-specific codes were observed. Thus, the system would not be useful for the identification of RGM...
  8. ncbi request reprint Enteric infections and diarrhea in human immunodeficiency virus-infected persons: prospective community-based cohort study. Swiss HIV Cohort Study
    R Weber
    Department of Medicine, University Hospital, Zurich, Switzerland
    Arch Intern Med 159:1473-80. 1999
    ..We studied (1) the epidemiology of enteric pathogens associated with diarrhea, (2) the diagnostic yield of stool examination and endoscopic evaluation, (3) risks to develop diarrhea, and (4) the impact of diarrhea on patients' survival...
  9. ncbi request reprint Ocular manifestation of disseminated Mycobacterium simiae infection in a cat
    U Dietrich
    Department of Small Animal Surgery Ophthalmology, University of Zurich, Winterthurerstrasse 260, CH 8057 Zurich, Switzerland
    J Small Anim Pract 44:121-5. 2003
    ..Combination treatment with rifampicin, enrofloxacin and clarithromycin resulted in complete clinical remission within six months, with no side effects. No recurrence was observed in a 22-month follow-up period...