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  • 1.
    Berglund, Björn
    et al.
    Linköping University, Department of Clinical and Experimental Medicine, Division of Microbiology and Molecular Medicine. Linköping University, Faculty of Medicine and Health Sciences.
    Bich Hoang, Ngoc Thi
    Vietnam Natl Childrens Hosp, Vietnam.
    Tärnberg, Maria
    Linköping University, Department of Clinical and Experimental Medicine, Division of Neuro and Inflammation Science. Linköping University, Faculty of Medicine and Health Sciences.
    Kien Le, Ngai
    Vietnam Natl Childrens Hosp, Vietnam.
    Svartström, Olov
    Linköping University, Department of Clinical and Experimental Medicine. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Center for Diagnostics, Department of Clinical Microbiology.
    Khanh Khu, Dung Thi
    Vietnam Natl Childrens Hosp, Vietnam.
    Nilsson, Maud
    Linköping University, Department of Clinical and Experimental Medicine, Division of Microbiology and Molecular Medicine. Linköping University, Faculty of Medicine and Health Sciences.
    Thanh Le, Hai
    Vietnam Natl Childrens Hosp, Vietnam.
    Welander, Jenny
    Linköping University, Department of Clinical and Experimental Medicine, Division of Microbiology and Molecular Medicine. Linköping University, Faculty of Medicine and Health Sciences.
    Olson, Linus
    TRAC, Sweden; TRAC, Vietnam; Karolinska Inst, Sweden.
    Larsson, Mattias
    TRAC, Sweden; TRAC, Vietnam; Karolinska Inst, Sweden.
    Nilsson, Lennart E
    Linköping University, Department of Clinical and Experimental Medicine, Division of Microbiology and Molecular Medicine. Linköping University, Faculty of Medicine and Health Sciences.
    Hanberger, Håkan
    Linköping University, Department of Clinical and Experimental Medicine, Division of Microbiology and Molecular Medicine. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Heart and Medicine Center, Department of Infectious Diseases. TRAC, Sweden; TRAC, Vietnam.
    Insertion sequence transpositions and point mutations in mgrB causing colistin resistance in a clinical strain of carbapenem-resistant Klebsiella pneumoniae from Vietnam2018In: International Journal of Antimicrobial Agents, ISSN 0924-8579, E-ISSN 1872-7913, Vol. 51, no 5, p. 789-793Article in journal (Refereed)
    Abstract [en]

    Resistance among Klebsiella pneumoniae to the last-resort antibiotics carbapenems and colistin is increasing worldwide. In this study, whole-genome sequencing was used to determine the colistin resistance mechanisms in clinical isolates of carbapenem-and colistin-resistant K. pneumoniae from Vietnam. Alterations in the regulatory gene mgrB, via mutations and insertion sequence transpositions, were found in 30 of 31 isolates, emphasising the importance of this resistance mechanism in colistin-resistant K. pneumoniae. (c) 2017 Elsevier B.V. and International Society of Chemotherapy. All rights reserved.

  • 2.
    Berglund, Björn
    et al.
    Linköping University, Department of Clinical and Experimental Medicine, Division of Microbiology and Molecular Medicine. Linköping University, Faculty of Medicine and Health Sciences.
    Hoang, Ngoc Thi Bich
    National Hospital of Pediatrics, Hanoi, Vietnam.
    Tärnberg, Maria
    Linköping University, Department of Clinical and Experimental Medicine, Division of Neuro and Inflammation Science. Linköping University, Faculty of Medicine and Health Sciences.
    Le, Ngai Kien
    National Hospital of Pediatrics, Hanoi, Vietnam.
    Welander, Jenny
    Linköping University, Department of Clinical and Experimental Medicine, Division of Microbiology and Molecular Medicine. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Center for Diagnostics, Department of Clinical Microbiology.
    Nilsson, Maud
    Linköping University, Department of Clinical and Experimental Medicine, Division of Microbiology and Molecular Medicine. Linköping University, Faculty of Medicine and Health Sciences.
    Khu, Dung Thi Khanh
    National Hospital of Pediatrics, Hanoi, Vietnam.
    Nilsson, Lennart E.
    Linköping University, Department of Clinical and Experimental Medicine, Division of Microbiology and Molecular Medicine. Linköping University, Faculty of Medicine and Health Sciences.
    Olson, Linus
    The Karolinska Institute, Stockholm, Sweden.
    Le, Hai Thanh
    National Hospital of Pediatrics, Hanoi, Vietnam.
    Larsson, Mattias
    The Karolinska Institute, Stockholm, Sweden.
    Hanberger, Håkan
    Linköping University, Department of Clinical and Experimental Medicine, Division of Microbiology and Molecular Medicine. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Heart and Medicine Center, Department of Infectious Diseases.
    Colistin- and carbapenem-resistant Klebsiella pneumoniae carrying mcr-1 and bla(OXA-48) isolated at a paediatric hospital in Vietnam2018In: Journal of Antimicrobial Chemotherapy, ISSN 0305-7453, E-ISSN 1460-2091, Vol. 73, no 4, p. 1100-1102Article in journal (Other academic)
    Abstract [en]

    n/a

  • 3.
    Ehlersson, Gustaf
    et al.
    Örebro University, Sweden; Örebro University Hospital, Sweden.
    Hellmark, Bengt
    Örebro University, Sweden; Örebro University Hospital, Sweden.
    Svartström, Olov
    Region Östergötland, Center for Diagnostics, Department of Clinical Microbiology.
    Stenmark, Bianca
    Örebro University, Sweden; Örebro University Hospital, Sweden.
    Soderquist, Bo
    Örebro University, Sweden; Örebro University Hospital, Sweden.
    Phenotypic characterisation of coagulase-negative staphylococci isolated from blood cultures in newborn infants, with a special focus on Staphylococcus capitis2017In: Acta Paediatrica, ISSN 0803-5253, E-ISSN 1651-2227, Vol. 106, no 10, p. 1576-1582Article in journal (Refereed)
    Abstract [en]

    Aim: This Swedish study determined which species of coagulase-negative staphylococci (CoNS) were found in neonatal blood cultures and whether they included Staphylococcus capitis clones with decreased susceptibility to vancomycin. Methods: CoNS isolates (n = 332) from neonatal blood cultures collected at orebro University Hospital during 1987-2014 were identified to species level with matrix-assisted laser desorption/ionisation time-of-flight mass spectrometry (MALDI-TOF MS). The antibiotic susceptibility pattern of S. capitis isolates was determined by the disc diffusion test and Etest, and the presence of heterogeneous glycopeptide-intermediate S. capitis (hGISC) was evaluated. Results: Staphylococcus epidermidis (67.4%), Staphylococcus haemolyticus (10.5%) and S. capitis (9.6%) were the most common CoNS species. Of the S. capitis isolates, 75% were methicillin-resistant and 44% were multidrug-resistant. No isolate showed decreased susceptibility to vancomycin, but at least 59% displayed the hGISC phenotype. Staphylococcus capitis isolates related to the strain CR01 displaying pulsotype NRCS-A were found. Conclusion: Staphylococcus epidermidis, S. haemolyticus and S. capitis were the predominant species detected in neonatal blood cultures by MALDI-TOF MS. The number of episodes caused by S. capitis increased during the study period, but no isolates with decreased susceptibility to vancomycin were identified. However, S. capitis isolates related to the strain CR01 displaying pulsotype NRCS-A were found.

  • 4.
    Griekspoor, Petra
    et al.
    Linnaeus University, Sweden.
    Olsson Engvall, Eva
    National Vet Institute SVA, Sweden.
    Åkerlind, Britt
    Linköping University, Department of Clinical and Experimental Medicine, Division of Microbiology and Molecular Medicine. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Center for Diagnostics, Department of Clinical Microbiology.
    Olsen, Bjorn
    Uppsala University, Sweden; Uppsala University, Sweden.
    Waldenstrom, Jonas
    Linnaeus University, Sweden.
    Genetic diversity and host associations in Campylobacter jejuni from human cases and broilers in 2000 and 20082015In: Veterinary Microbiology, ISSN 0378-1135, E-ISSN 1873-2542, Vol. 178, no 1-2, p. 94-98Article in journal (Refereed)
    Abstract [en]

    Campylobacter jejuni is an important food-borne pathogen, with a global distribution. It can colonize numerous host species, including both domestic and wild animals, but is particularly associated with birds (poultry and wild birds). For human campylobacteriosis, poultry products are deemed the most significant risk factor for acquiring infection. We conducted a genotyping and host attribution study of a large representative collection of C jejuni isolated from humans and broilers in Sweden in the years 2000 and 2008. In total 673 broiler and human isolates from 10 different abattoirs and 6 different hospitals were genotyped with multilocus sequence typing. Source attribution analyses confirmed the strong linkage between broiler C jejuni and domestic human cases, but also indicated a significant association to genotypes more commonly found in wild birds. Genotype distributions did not change dramatically between the two study years, suggesting a stable population of infecting bacteria. (C) 2015 Elsevier B.V. All rights reserved.

  • 5.
    Gustavsson, O.
    et al.
    Linköping University, Department of Clinical and Experimental Medicine, Division of Microbiology and Molecular Medicine. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Center for Diagnostics, Department of Clinical Microbiology. Innlandet Hospital Trust, Norway.
    Johansson, A. V.
    Linköping University, Department of Clinical and Experimental Medicine, Division of Microbiology and Molecular Medicine. Linköping University, Faculty of Medicine and Health Sciences.
    Monstein, Hans-Jurg
    Linköping University, Department of Clinical and Experimental Medicine, Division of Microbiology and Molecular Medicine. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Center for Diagnostics, Department of Clinical Microbiology.
    Nilsson, Lennart E
    Linköping University, Department of Clinical and Experimental Medicine, Division of Microbiology and Molecular Medicine. Linköping University, Faculty of Medicine and Health Sciences.
    Bredberg, A.
    Innlandet Hospital Trust, Norway; Lund University, Sweden.
    A wide spectrum of fastidious and ampicillin-susceptible bacteria dominate in animal-caused wounds2016In: European Journal of Clinical Microbiology and Infectious Diseases, ISSN 0934-9723, E-ISSN 1435-4373, Vol. 35, no 8, p. 1315-1321Article in journal (Refereed)
    Abstract [en]

    The main purpose of this study was to assess the actual occurrence of Gram-negative oxidase-positive bacteria (GNOP) in human wounds caused by animals, mostly cat and dog bites and scratches, and with signs of infection. We report a prospective series of 92 wound samples. Routine culturing was combined with a procedure optimised for fastidious GNOP. All GNOP isolates were identified by 16S rDNA sequencing to the species level. We observed a more prominent role of GNOP, including at least 30 species mostly in the families Flavobacteriaceae, Neisseriaceae and Pasteurellaceae, and less of Staphylococcus aureus and streptococci. The antibiotic susceptibility pattern was investigated, as GNOP are associated with sudden onset of serious infections, making an early decision on antibiotic treatment vital. All GNOP isolates judged to be clinically relevant displayed susceptibility to ampicillin and meropenem, but resistance to oxacillin, clindamycin and gentamicin was frequent. Our findings emphasise the need to cover GNOP as recommended in guidelines, and not only common wound pathogens, when treating an animal-caused wound.

  • 6.
    Niward, Katarina
    et al.
    Linköping University, Department of Clinical and Experimental Medicine, Division of Microbiology and Molecular Medicine. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Heart and Medicine Center, Department of Infectious Diseases.
    Davies Forsman, Lina
    Karolinska Inst, Sweden; Karolinska Univ Hosp Solna, Sweden.
    Bruchfeld, Judith
    Karolinska Inst, Sweden; Karolinska Univ Hosp Solna, Sweden.
    Chryssanthou, Erja
    Karolinska Univ Hosp Solna, Sweden; Karolinska Inst, Sweden.
    Carlström, Oskar
    Region Östergötland, Heart and Medicine Center, Department of Infectious Diseases.
    Alomari, Teba
    Region Östergötland, Heart and Medicine Center, Department of Infectious Diseases.
    Carlsson, Björn
    Linköping University, Department of Medical and Health Sciences, Division of Drug Research. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Center for Diagnostics, Department of Clinical Pharmacology.
    Pohanka, Anton
    Karolinska Univ Hosp Huddinge, Sweden.
    Mansjö, Mikael
    Publ Hlth Agcy Sweden, Sweden.
    Jonsson Nordvall, Michaela
    Linköping University, Department of Clinical and Experimental Medicine, Division of Microbiology and Molecular Medicine. Linköping University, Faculty of Medicine and Health Sciences.
    Johansson, Anders
    Linköping University, Department of Clinical and Experimental Medicine, Division of Microbiology and Molecular Medicine. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Center for Diagnostics, Department of Clinical Microbiology.
    Eliasson, Erik
    Karolinska Univ Hosp Huddinge, Sweden.
    Werngren, Jim
    Publ Hlth Agcy Sweden, Sweden.
    Paues, Jakob
    Linköping University, Department of Clinical and Experimental Medicine, Division of Microbiology and Molecular Medicine. Linköping University, Faculty of Medicine and Health Sciences.
    Simonsson, Ulrika S. H.
    Uppsala Univ, Sweden.
    Schön, Thomas
    Linköping University, Department of Clinical and Experimental Medicine, Division of Microbiology and Molecular Medicine. Linköping University, Faculty of Medicine and Health Sciences. Kalmar Cty Hosp, Sweden.
    Distribution of plasma concentrations of first-line anti-TB drugs and individual MICs: a prospective cohort study in a low endemic setting2018In: Journal of Antimicrobial Chemotherapy, ISSN 0305-7453, E-ISSN 1460-2091, Vol. 73, no 10, p. 2838-2845Article in journal (Refereed)
    Abstract [en]

    Background: Therapeutic drug monitoring (TDM) could improve current TB treatment, but few studies have reported pharmacokinetic data together with MICs. Objectives: To investigate plasma concentrations of rifampicin, isoniazid, pyrazinamide and ethambutol along with MICs. Methods: Drug concentrations of rifampicin, isoniazid, pyrazinamide and ethambutol were analysed pre-dose and 2, 4 and 6 h after drug intake at week 2 in 31 TB patients and MICs in BACTEC 960 MGIT were determined at baseline. The highest plasma concentrations at 2, 4 and 6 h post-dose (C-high) were determined, as well as estimates of C-high/MIC and area under the concentration-time curve (AUC(0-6))/MIC including the corresponding ratios based on calculated free-drug concentrations. This trial was registered at www.clinicaltrials.gov (NCT02042261). Results: After 2 weeks of treatment, the median C-high values for rifampicin, isoniazid, pyrazinamide and ethambutol were 10.0, 5.3, 41.1 and 3.3 mg/L respectively. Lower than recommended drug concentrations were detected in 42% of the patients for rifampicin (amp;lt;8 mg/L), 19% for isoniazid (amp;lt;3 mg/L), 27% for pyrazinamide (amp;lt;35 mg/L) and 16% for ethambutol (amp;lt;2 mg/L). The median Chigh/MIC values for rifampicin, isoniazid, pyrazinamide and ethambutol were 164, 128, 1.3 and 2.5, respectively, whereas the AUC(0-6)/MIC was 636 (range 156-2759) for rifampicin and 351 (range 72-895) for isoniazid. Conclusions: We report low levels of first-line TB drugs in 16%-42% of patients, in particular for rifampicin. There was a wide distribution of the ratios between drug exposures and MICs. The future use of MIC determinations in TDM is dependent on the development of a reference method and clinically validated pharmacokinetic/pharmacodynamic targets.

  • 7.
    Nordin, Gunnar
    et al.
    Equalis, Sweden.
    Dybkaer, Rene
    Copenhagen Univ Hosp, Denmark.
    Forsum, Urban
    Linköping University, Department of Clinical and Experimental Medicine, Division of Microbiology and Molecular Medicine. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Center for Diagnostics, Department of Clinical Microbiology.
    Fuentes-Arderiu, Xavier
    Clin Lab Sci Consulting, Spain.
    Pontet, Francoise
    Vocabulary on nominal property, examination, and related concepts for clinical laboratory sciences (IFCC-IUPAC Recommendations 2017)2018In: Pure and Applied Chemistry, ISSN 0033-4545, E-ISSN 1365-3075, Vol. 90, no 5, p. 913-935Article in journal (Refereed)
    Abstract [en]

    Scientists of disciplines in clinical laboratory sciences have long worked on a common language for efficient and safe request of investigations, report of results, and communication of experience and - scientific achievements. Widening the scope, most scientific disciplines, not only clinical laboratory sciences, rely to some extent on various examinations in addition to measurements. The International vocabulary of - metrology - Basic and general concepts and associated terms (VIM), is designed for metrology, the science of measurement. The aim of this vocabulary is to suggest definitions and explanations of concepts and a selection of terms related to nominal properties, i.e. properties that have no size.

  • 8.
    Ramezani, Amir
    et al.
    Linköping University, Department of Clinical and Experimental Medicine, Divison of Neurobiology. Linköping University, Faculty of Medicine and Health Sciences.
    Alipouratigh, Mahin
    Region Östergötland, Center for Diagnostics, Department of Clinical Microbiology.
    Eng, Lars
    The Institute for Protein Environmental Afnity Surveys (PEAS Institute), Linköping, Sweden.
    Turkina, M. V.
    Linköping University, Department of Clinical and Experimental Medicine, Divison of Neurobiology. Linköping University, Faculty of Medicine and Health Sciences.
    Lönn, Johanna
    Department of Oral Biology, Faculty of Odontology, Malmö University, Malmö, Sweden.
    Theodorsson, Annette
    Linköping University, Department of Clinical and Experimental Medicine, Division of Neuro and Inflammation Science. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Center for Surgery, Orthopaedics and Cancer Treatment, Department of Surgery in Linköping.
    Nayeri, Fariba
    3 The Institute for Protein Environmental Afnity Surveys (PEAS Institute), Linköping, Sweden.
    One-minute through test to distinguish lower respiratory infection by analysis of sputum; exploring the mechanisms2018In: BMC Research Notes, ISSN 1756-0500, E-ISSN 1756-0500, Vol. 11, no 1Article in journal (Refereed)
    Abstract [en]

    Cough and fever are the initial symptoms of lower respiratory infection. Severe cases might be fatal. Therefore, particularly in the non-equipped centers, the lack of diagnostic methods to identify the severe cases has resulted in overconsumption of antibiotics. On the basis of the knowledge about non-specific immune response at the site of injury, we developed a colorimetric dip-test that shows abrupt, sensitive and quite specific color change upon contact with sputum in the cases of lower respiratory infection. We further explored the mechanism of the test.

  • 9.
    Scheer, Vendela
    et al.
    Linköping University, Department of Clinical and Experimental Medicine, Division of Microbiology and Molecular Medicine. Linköping University, Faculty of Medicine and Health Sciences.
    Bergman, Malin
    Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Center for Diagnostics, Department of Clinical Microbiology. Linköping University, Department of Clinical and Experimental Medicine, Division of Microbiology and Molecular Medicine.
    Lerm, Maria
    Linköping University, Department of Clinical and Experimental Medicine, Division of Microbiology and Molecular Medicine. Linköping University, Faculty of Medicine and Health Sciences.
    Serrander, Lena
    Linköping University, Department of Clinical and Experimental Medicine, Division of Microbiology and Molecular Medicine. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Heart and Medicine Center, Department of Infectious Diseases.
    Kalén, Anders
    Linköping University, Department of Clinical and Experimental Medicine, Division of Surgery, Orthopedics and Oncology. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Center for Surgery, Orthopaedics and Cancer Treatment, Department of Orthopaedics in Linköping.
    Topical benzoyl peroxide application on the shoulder reduces Propionibacterium acnes: a randomized study2018In: Journal of shoulder and elbow surgery, ISSN 1058-2746, E-ISSN 1532-6500, Vol. 27, no 6, p. 957-961Article in journal (Refereed)
    Abstract [en]

    Background: Propionibacterium acnes is a common cause of infection following shoulder surgery. Studies have shown that standard surgical preparation does not eradicate P acnes. The purpose of this study was to examine whether topical application of benzoyl peroxide (BPO) gel could decrease the presence of P acnes compared with todays standard treatment with chlorhexidine soap (CHS). We also investigated and compared the recolonization of the skin after surgical preparation and draping between the BPO- and CHS-treated groups. Methods: In this single-blinded nonsurgical study, 40 volunteers-24 men and 16 women-were randomized to preoperative topical treatment at home with either 5% BPO or 4% CHS on the left shoulder at the area of a deltopectoral approach. Four skin swabs from the area were taken in a standardized manner at different times: before and after topical treatment, after surgical skin preparation and sterile draping, and 120 minutes after draping. Results: Topical treatment with BPO significantly reduced the presence of P acnes measured as the number of colony-forming units on the skin after surgical preparation. P acnes was found in 1 of 20 subjects in the BPO group and 7 of 20 in the CHS group (P = .044). The results remained after 2 hours (P = .048). Conclusion: Topical preparation with BPO before shoulder surgery may be effective in reducing P acnes on the skin and preventing recolonization. Conclusion: Topical preparation with BPO before shoulder surgery may be effective in reducing P acnes on the skin and preventing recolonization. (C) 2018 Journal of Shoulder and Elbow Surgery Board of Trustees. All rights reserved.

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