G E Pfyffer
Affiliation: University of Zurich
- Performance characteristics of the BDProbeTec system for direct detection of Mycobacterium tuberculosis complex in respiratory specimensG 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...
- Mycobacterium canettii, the smooth variant of M. tuberculosis, isolated from a Swiss patient exposed in AfricaG 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...
- 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 mediaG 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...
- Multidrug-resistant tuberculosis in prison inmates, AzerbaijanG 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...
- Resistance to antimicrobial agents in Mycobacterium tuberculosisG 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...
- Etiological agents of mycobacterioses in pet birds between 1986 and 1995R 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...
- 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...
- Enteric infections and diarrhea in human immunodeficiency virus-infected persons: prospective community-based cohort study. Swiss HIV Cohort StudyR 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...
- Ocular manifestation of disseminated Mycobacterium simiae infection in a catU 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...