Tofteland S - Search Results

1

Emergence of OXA-carbapenemase- and 16S rRNA methylase-producing international clones of Acinetobacter baumannii in Norway.

Karah N, Haldorsen B, Hermansen NO, Tveten Y, Ragnhildstveit E, Skutlaberg DH, Tofteland S, Sundsfjord A, Samuelsen Ø. Karah N, et al. Among authors: tofteland s. J Med Microbiol. 2011 Apr;60(Pt 4):515-521. doi: 10.1099/jmm.0.028340-0. Epub 2010 Dec 16. J Med Microbiol. 2011. PMID: 21163830

2

Effects of phenotype and genotype on methods for detection of extended-spectrum-beta-lactamase-producing clinical isolates of Escherichia coli and Klebsiella pneumoniae in Norway.

Tofteland S, Haldorsen B, Dahl KH, Simonsen GS, Steinbakk M, Walsh TR, Sundsfjord A; Norwegian ESBL Study Group. Tofteland S, et al. J Clin Microbiol. 2007 Jan;45(1):199-205. doi: 10.1128/JCM.01319-06. Epub 2006 Nov 1. J Clin Microbiol. 2007. PMID: 17079502 Free PMC article.

3

Emergence of clonally related Klebsiella pneumoniae isolates of sequence type 258 producing plasmid-mediated KPC carbapenemase in Norway and Sweden.

Samuelsen Ø, Naseer U, Tofteland S, Skutlaberg DH, Onken A, Hjetland R, Sundsfjord A, Giske CG. Samuelsen Ø, et al. Among authors: tofteland s. J Antimicrob Chemother. 2009 Apr;63(4):654-8. doi: 10.1093/jac/dkp018. Epub 2009 Feb 13. J Antimicrob Chemother. 2009. PMID: 19218573

4

Molecular characterization of CTX-M-15-producing clinical isolates of Escherichia coli reveals the spread of multidrug-resistant ST131 (O25:H4) and ST964 (O102:H6) strains in Norway.

Naseer U, Haldorsen B, Tofteland S, Hegstad K, Scheutz F, Simonsen GS, Sundsfjord A; Norwegian ESBL Study Group. Naseer U, et al. Among authors: tofteland s. APMIS. 2009 Jul;117(7):526-36. doi: 10.1111/j.1600-0463.2009.02465.x. APMIS. 2009. PMID: 19594493

5

Plasmid-mediated quinolone resistance determinants qnr and aac(6')-Ib-cr in Escherichia coli and Klebsiella spp. from Norway and Sweden.

Karah N, Poirel L, Bengtsson S, Sundqvist M, Kahlmeter G, Nordmann P, Sundsfjord A, Samuelsen Ø; Norwegian Study Group on PMQR. Karah N, et al. Diagn Microbiol Infect Dis. 2010 Apr;66(4):425-31. doi: 10.1016/j.diagmicrobio.2009.12.004. Diagn Microbiol Infect Dis. 2010. PMID: 20226333

6

A nationwide study of mechanisms conferring reduced susceptibility to extended-spectrum cephalosporins in clinical Escherichia coli and Klebsiella spp. isolates.

Tofteland S, Dahl KH, Aasnæs B, Sundsfjord A, Naseer U. Tofteland S, et al. Scand J Infect Dis. 2012 Dec;44(12):927-33. doi: 10.3109/00365548.2012.707330. Epub 2012 Sep 19. Scand J Infect Dis. 2012. PMID: 22991975

7

A long-term low-frequency hospital outbreak of KPC-producing Klebsiella pneumoniae involving Intergenus plasmid diffusion and a persisting environmental reservoir.

Tofteland S, Naseer U, Lislevand JH, Sundsfjord A, Samuelsen O. Tofteland S, et al. PLoS One. 2013;8(3):e59015. doi: 10.1371/journal.pone.0059015. Epub 2013 Mar 11. PLoS One. 2013. PMID: 23536849 Free PMC article.

8

Performance of the EUCAST disk diffusion method, the CLSI agar screen method, and the Vitek 2 automated antimicrobial susceptibility testing system for detection of clinical isolates of Enterococci with low- and medium-level VanB-type vancomycin resistance: a multicenter study.

Hegstad K, Giske CG, Haldorsen B, Matuschek E, Schønning K, Leegaard TM, Kahlmeter G, Sundsfjord A; NordicAST VRE Detection Study Group. Hegstad K, et al. J Clin Microbiol. 2014 May;52(5):1582-9. doi: 10.1128/JCM.03544-13. Epub 2014 Mar 5. J Clin Microbiol. 2014. PMID: 24599985 Free PMC article.

9

Norwegian patients and retail chicken meat share cephalosporin-resistant Escherichia coli and IncK/bla_CMY-2 resistance plasmids.

Berg ES, Wester AL, Ahrenfeldt J, Mo SS, Slettemeås JS, Steinbakk M, Samuelsen Ø, Grude N, Simonsen GS, Løhr IH, Jørgensen SB, Tofteland S, Lund O, Dahle UR, Sunde M. Berg ES, et al. Among authors: tofteland s. Clin Microbiol Infect. 2017 Jun;23(6):407.e9-407.e15. doi: 10.1016/j.cmi.2016.12.035. Epub 2017 Jan 7. Clin Microbiol Infect. 2017. PMID: 28082191 Free article.

10

Bifidobacterium Bacteremia: Clinical Characteristics and a Genomic Approach To Assess Pathogenicity.

Esaiassen E, Hjerde E, Cavanagh JP, Simonsen GS, Klingenberg C; Norwegian Study Group on Invasive Bifidobacterial Infections. Esaiassen E, et al. J Clin Microbiol. 2017 Jul;55(7):2234-2248. doi: 10.1128/JCM.00150-17. Epub 2017 May 10. J Clin Microbiol. 2017. PMID: 28490487 Free PMC article.

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