Research Topics
| J M SwensonSummaryAffiliation: Centers for Disease Control and Prevention Country: USA Publications
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Detail Information
Publications
Optimal inoculation methods and quality control for the NCCLS oxacillin agar screen test for detection of oxacillin resistance in Staphylococcus aureusJ M Swenson
Nosocomial Pathogens Laboratory Branch, Centers for Disease Control and Prevention, Atlanta, Georgia 30333, USA
J Clin Microbiol 39:3781-4. 2001..However, lack of specificity with commercial lots may be difficult to detect using any of the current quality control organisms...- Detection of inducible clindamycin resistance in staphylococci by broth microdilution using erythromycin-clindamycin combination wellsJana M Swenson
Antimicrobial Resistance Team, Division of Healthcare Quality Promotion, Centers for Disease Control and Prevention, Atlanta, GA 30333, USA
J Clin Microbiol 45:3954-7. 2007..After a 24-h incubation, the ERY-CC combinations of 4 and 0.5, 6 and 1, and 8 and 1.5 microg/ml correlated well with the D-zone test... - Accuracy of commercial and reference susceptibility testing methods for detecting vancomycin-intermediate Staphylococcus aureusJana M Swenson
Clinical and Environmental Microbiology Branch, Division of Healthcare Quality Promotion, Centers for Disease Control and Prevention, Atlanta, Georgia 30333, USA
J Clin Microbiol 47:2013-7. 2009..Only 12 (33.3%) strains for which the VA MICs were 4 microg/ml grew on VScr. The differentiation of isolates for which the VA MICs were 2 or 4 microg/ml was difficult for most systems and methods, including the reference methods... - Detection of mecA-mediated resistance using reference and commercial testing methods in a collection of Staphylococcus aureus expressing borderline oxacillin MICsJana M Swenson
Epidemiology and Laboratory Branch, Division of Healthcare Quality Promotion, Centers for Disease Control and Prevention, Atlanta, GA 30333, USA
Diagn Microbiol Infect Dis 58:33-9. 2007..These results suggest that a cefoxitin test can be used alone to predict mecA-mediated resistance in S. aureus... - Results of disk diffusion testing with cefoxitin correlate with presence of mecA in Staphylococcus sppJana M Swenson
Division of Healthcare Quality Promotion, Centers for Disease Control and Prevention, Mailstop G08, 1600 Clifton Rd, Atlanta, GA 30333, USA
J Clin Microbiol 43:3818-23. 2005..These data were used to refine the description of the test in CLSI document M100-S15. The cefoxitin DD test is preferred over the oxacillin DD test for predicting mecA-mediated oxacillin resistance in S. aureus and CoNS... - Antimicrobial susceptibility testing of Acinetobacter spp. by NCCLS broth microdilution and disk diffusion methodsJana M Swenson
Division of Healthare Quality Promotion, Epidemiology and Laboratory Branch, Centers for Disease Control and Prevention, Atlanta, GA 30333, USA
J Clin Microbiol 42:5102-8. 2004..Clinical laboratories should be aware of these discrepancies. At present, there are no data to indicate which method provides more clinically relevant information... - Performance of eight methods, including two new rapid methods, for detection of oxacillin resistance in a challenge set of Staphylococcus aureus organismsJ M Swenson
Epidemiology and Laboratory Branch, Division of Healthcare Quality Promotion, Centers for Disease Control and Prevention, Atlanta, Georgia 30333, USA
J Clin Microbiol 39:3785-8. 2001..The MRSA-Screen sensitivity improved to 100% if agglutination reactions were read at 15 min. Repeat testing improved the performance of some but not all of the systems... - Detection of a streptomycin/spectinomycin adenylyltransferase gene (aadA) in Enterococcus faecalisN C Clark
Hospital Infections Program, National Center for Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia 30333, USA
Antimicrob Agents Chemother 43:157-60. 1999..Vapnek, Plasmid 13:17-30, 1985). Previous reports of the presence of the aadA gene in enterococci appear to be erroneous and probably describe an aadE gene, since the isolates were reported to be susceptible to spectinomycin... - Comparison of agar dilution, disk diffusion, MicroScan, and Vitek antimicrobial susceptibility testing methods to broth microdilution for detection of fluoroquinolone-resistant isolates of the family EnterobacteriaceaeC D Steward
Hospital Infections Program, Centers for Disease Control and Prevention, Atlanta, Georgia 30333, USA
J Clin Microbiol 37:544-7. 1999..However, the high number of minor errors by all test systems remains a concern... - Characterization of the extended-spectrum beta-lactamase reference strain, Klebsiella pneumoniae K6 (ATCC 700603), which produces the novel enzyme SHV-18J K Rasheed
Hospital Infections Program, National Center for Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia 30333, USA
Antimicrob Agents Chemother 44:2382-8. 2000..In addition to the production of this novel ESBL, designated SHV-18, analysis of the outer membrane proteins of K6 revealed the loss of the OmpK35 and OmpK37 porins... - Quality control guidelines for testing gram-negative control strains with polymyxin B and colistin (polymyxin E) by standardized methodsRonald N Jones
The JONES Group JMI Laboratories, Inc, 345 Beaver Kreek Centre, Suite A, North Liberty, IA 52317, USA
J Clin Microbiol 43:925-7. 2005..25 to 2 microg/ml (11 to 17 mm), and for polymyxin B, 0.25 to 2 mug/ml (14 to 18 mm). More than 97% of all reported QC results were within these proposed ranges... - Multicenter studies of tigecycline disk diffusion susceptibility results for Acinetobacter sppRonald N Jones
JMI Laboratories, North Liberty, IA 52317, USA
J Clin Microbiol 45:227-30. 2007..led to an unacceptable error rate (23.3%). However, an adjustment of tigecycline disk diffusion breakpoints (susceptible/resistant) to > or =16/ < or =12 mm reduced intermethod errors to an acceptable level (only 9.7%, all minor)... - In vitro activity of a new cephalosporin, RWJ-54428, against streptococci, enterococci and staphylococci, including glycopeptide-intermediate Staphylococcus aureusJana M Swenson
Anti infectives Investigation Section, Epidemiology and Laboratory Branch, Division of Healthcare Quality Promotion, Centers for Disease Control and Prevention, Mailstop G08, 1600 Clifton Road N E, Atlanta, GA 30333, USA
J Antimicrob Chemother 49:845-50. 2002..faecium. The activity against four strains of glycopeptide-intermediate S. aureus was similar to that for other methicillin-resistant S. aureus isolates (range 0.5-2.0 mg/L)... - Detection of staphylococci with reduced susceptibility to glycopeptidesMary Jane Ferraro
J Clin Microbiol 40:1573. 2002 - Antimicrobial susceptibility testing of carbapenems: multicenter validity testing and accuracy levels of five antimicrobial test methods for detecting resistance in Enterobacteriaceae and Pseudomonas aeruginosa isolatesChristine D Steward
Division of Healthcare Quality Promotion, Centers for Disease Control and Prevention, Atlanta, Georgia 30333, USA
J Clin Microbiol 41:351-8. 2003.... - Reevaluation of Clinical and Laboratory Standards Institute disk diffusion breakpoints for tetracyclines for testing EnterobacteriaceaeHelio S Sader
JMI Laboratories, 345 Beaver Kreek Centre, Suite A, North Liberty, Iowa 52317, USA
J Clin Microbiol 45:1640-3. 2007..Listed modifications were recently approved by the CLSI (M100-S17)...