Barbara Juliane Holzknecht
Postgraduate Clinical Associate Professor, Clinical Associate Professor
Department of Clinical Medicine
Borgmester Ib Juuls Vej 1, 2730 Herlev
Member of:
Clinical Microbiology
- 2024
- Published
Comparison of morbidity and mortality after bloodstream infection with vancomycin-resistant versus -susceptible Enterococcus faecium: a nationwide cohort study in Denmark, 2010–2019
Bager, P., Kähler, J., Andersson, M., Holzknecht, Barbara Juliane, Kjær Hansen, S. G., Schønning, Kristian, Nielsen, K. L., Koch, K., Pinholt, M., Voldstedlund, M., Larsen, A. R., Kristensen, B., Mølbak, Kåre, Sönksen, U. W., Skovgaard, S., Skov, R. & Hammerum, A. M., 2024, In: Emerging Microbes and Infections. 13, 1, 13 p., 2309969.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Rapid detection of vanB vancomycin-resistant enterococci by laboratory-developed PCR on enrichment broth
Dahl, A. L., Friis, M. B., Hallberg, H. W., Kristiansen, G. Q. & Holzknecht, Barbara Juliane, 2024, In: Diagnostic Microbiology and Infectious Disease. 109, 2, 3 p., 116233.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The microbiome of the appendix differs in patients with and without appendicitis: A prospective cohort study
Fonnes, S., Mollerup, S., Paulsen, S. J., Holzknecht, Barbara Juliane, Westh, Henrik T. & Rosenberg, Jacob, 2024, In: Surgery (United States). 175, 6, p. 1482-1488 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Carriage of methicillin-resistant Staphylococcus aureus in children <6 years old: a retrospective follow-up study of the natural course and effectiveness of decolonization treatment
Helbo, T., Boel, J. B., Bartels, Mette Damkjær, Ahlström, M. G., Holzknecht, Barbara Juliane & Eriksen, H. B., 2024, In: The Journal of antimicrobial chemotherapy. 79, 4, p. 826-834Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Sociodemographic characterisation of antibiotic heavy users in the Danish elderly population
Jensen, Maria Louise Veimer, Aabenhus, Rune Munck, Holzknecht, Barbara Juliane, Bjerrum, Lars, Siersma, Volkert Dirk, Cordoba Currea, Gloria Cristina & Jensen, J. N., 2024, In: Scandinavian Journal of Public Health. 52, 1, p. 51-58 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Long-term carriage and evolution of VREfmLong-term carriage and evolution of vancomycin-resistant Enterococcus faecium: A genomic study on consecutive isolates
Knudsen, M. J. S., Samaniego Castruita, J. A., Mollerup, S., Holzknecht, Barbara Juliane, Hoppe, M., Westh, Henrik T., Pinholt, M. & Rubin, I. M. C., 2024, In: JAC-Antimicrobial Resistance. 6, 1, 4 p., dlad153.Research output: Contribution to journal › Journal article › Research › peer-review
- 2023
- Published
Contaminated dicloxacillin capsules as the source of an NDM-5/OXA-48-producing Enterobacter hormaechei ST79 outbreak, Denmark and Iceland, 2022 and 2023
Agergaard, C. N., Porsbo, L. J., Sydenham, T. V., Hansen, S. G. K., Steinke, K., Larsen, S. L., Helgason, K. O., Hansen, F., Karstensen, K. T., Henius, A. E., Holzknecht, B. J., Søes, L., Schønning, K., Wang, M., Ank, N., Halldórsdóttir, A. M., Guðlaugsson, Ó., Hammerum, A. M., Kjerulf, A., Kristensen, B. & 2 others, , 2023, In: Eurosurveillance. 28, 9, p. 1-4 2300108.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Diarrhoea-causing microorganisms are rare in adult patients undergoing diagnostic laparoscopy for suspected appendicitis: a prospective observational cohort study
Fonnes, S., Rasmussen, T., Holzknecht, Barbara Juliane, Olesen, C. S., Olsen, J. H. H., Schmidt, L., Alder, R., Sørensen, S. G., Gülen, S., Klarskov, Louise Laurberg, Krogfelt, K. A., Westh, Henrik T. & Rosenberg, Jacob, 2023, In: APMIS. 131, 6, p. 284-293 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Parenteral Fosfomycin in Gastrointestinal Surgery: A Systematic Review
Fonnes, S., Fonnes, M. K., Holzknecht, Barbara Juliane & Rosenberg, Jacob, 2023, In: Drug Research. 74, 1, p. 24-31 8 p.Research output: Contribution to journal › Review › Research › peer-review
- Published
Risk factors for methicillin-resistant Staphylococcus aureus colonization in a level-IV neonatal intensive care unit: a retrospective study
Galuszka, J. E., Thomsen, K., Knudsen, J. D., Stenkjaer, R. L., Nielsen, R., Nielsen, K. L., Petersen, A., Holzknecht, Barbara Juliane, Bartels, Mette Damkjær, Breindahl, M. & Aunsholt, Lise, 2023, In: Antimicrobial Stewardship and Healthcare Epidemiology. 3, 1, 10 p., e194.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Characterisation of Carbapenemase-producing Acinetobacter baumannii Isolates from Danish Patients 2014–2021: Detection of a New International Clone – IC11
Hansen, F., Porsbo, L. J., Frandsen, T. H., Kaygisiz, A. N. S., Roer, L., Henius, A. E., Holzknecht, Barbara Juliane, Søes, L., Schønning, Kristian, Røder, B. L., Justesen, U. S., Østergaard, C., Dzajic, E., Wang, M., Ank, N., Higgins, P. G., Hasman, H. & Hammerum, A. M., 2023, In: International Journal of Antimicrobial Agents. 62, 2, 6 p., 106866.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Existing Data Sources in Clinical Epidemiology: Database of Community Acquired Infections Requiring Hospital Referral in Eastern Denmark (DCAIED) 2018–2021
Holler, J. G., Jensen , Jens-Ulrik Stæhr , Engsig, F. N., Bestle, Morten Heiberg, Lindegaard, Birgitte, Rasmussen, J. H., Bundgård, Henning, Nielsen, F. E., Iversen, Kasper, Larsen, J. J., Holzknecht, Barbara Juliane, Boel, J., Sivapalan, P. & Itenov, Theis Skovsgaard, 2023, In: Clinical Epidemiology. 15, p. 939-955 17 p.Research output: Contribution to journal › Review › Research › peer-review
- Published
Genotypic characterisation of carbapenemase-producing organisms obtained in Denmark from patients associated with the war in Ukraine
Stolberg, R. S., Hansen, F., Porsbo, L. J., Karstensen, K. T., Roer, L., Holzknecht, Barbara Juliane, Hansen, Katrine Hartung, Schønning, Kristian, Wang, M., Justesen, U. S., Røder, B. L., Thomsen, P., Skov, M. N., Hammerum, A. M. & Hasman, H., 2023, In: Journal of Global Antimicrobial Resistance. 34, p. 15-17 3 p.Research output: Contribution to journal › Comment/debate › Research › peer-review
- 2022
- Published
Possible misinterpretation of penicillin susceptibility in Staphylococcus aureus blood isolate due to in vitro loss of the blaZ gene
Eriksen, H. B., Petersen, A., Pedersen, M., Overballe-Petersen, S., Larsen, A. R. & Holzknecht, Barbara Juliane, 2022, In: European Journal of Clinical Microbiology and Infectious Diseases. 41, 1, p. 163-167 5 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Mesenteric Lymphadenitis and Terminal Ileitis is Associated With Yersinia Infection: A Meta-analysis
Fonnes, S., Rasmussen, T., Brunchmann, A., Holzknecht, Barbara Juliane & Rosenberg, Jacob, 2022, In: Journal of Surgical Research. 270, p. 12-21 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
A randomized, placebo-controlled, double-blinded trial of MRSA throat carriage treatment, with either standard decolonization alone or in combination with oral clindamycin.
Holm, M. K. A., Meiniche, H. K., Pedersen, M., Eriksen, H. B., Westh, Henrik T., Holzknecht, Barbara Juliane & Bartels, Mette Damkjær, 16 Jun 2022, In: Trials. 23, 8 p., 502 .Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Prior Antibiotic Use Increases Risk of Urinary Tract Infections Caused by Resistant Escherichia coli among Elderly in Primary Care: A Case-Control Study
Jensen, Maria Louise Veimer, Siersma, Volkert Dirk, Søes, L. M., Nicolaisdottir, Dagny Ros, Bjerrum, Lars & Holzknecht, Barbara Juliane, 2022, In: Antibiotics. 11, 10, 11 p., 1382.Research output: Contribution to journal › Journal article › Research › peer-review
- 2021
- Published
A hospital outbreak of an NDM-producing ST167 Escherichia coli with a possible link to a toilet
Andrews, V., Hasman, H., Midttun, M., Feldthaus, M. B., Porsbo, L. J., Holzknecht, Barbara Juliane, Scheutz, F., Hess, C. E. & Olesen, B., 2021, In: Journal of Hospital Infection. 117, p. 186-187 2 p.Research output: Contribution to journal › Comment/debate › Research › peer-review
- Published
Repeated introduction and spread of the MRSA clone t304/ST6 in northern Europe
Bartels, Mette Damkjær, Worning, P., Andersen, Leif Percival, Bes, M., Enger, H., Ås, C. G., Hansen, T. A., Holzknecht, Barbara Juliane, Larssen, K. W., Laurent, F., Mäkitalo, B., Pichon, B., Svartström, O. & Westh, Henrik T., 2021, In: Clinical Microbiology and Infection. 27, 2, p. 284.e1-284.e5Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Intravenous mecillinam compared with other β-lactams as targeted treatment for Escherichia coli or Klebsiella spp. bacteraemia with urinary tract focus
Boel, J. B., Antsupova, V., Knudsen, J. D., Jarløv, J. O., Arpi, M. & Holzknecht, Barbara Juliane, 2021, In: The Journal of antimicrobial chemotherapy. 76, 1, p. 206-211 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Investigation of the introduction and dissemination of vanB Enterococcus faecium in the Capital Region of Denmark and development of a rapid and accurate clone-specific vanB E. faecium PCR
Pinholt, M., Mollerup, S., Boye, K., Worning, P., Holzknecht, Barbara Juliane, Nygaard, S., Nielsen, K. L., Hasman, H., Roer, L., Hammerum, A. M., Westh, Henrik T. & Schønning, Kristian, 2021, In: Journal of Antimicrobial Chemotherapy. 76, 9, p. 2260-2267 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Antibiotic prescribing in Danish general practice in the elderly population from 2010 to 2017
Jensen, Maria Louise Veimer, Aabenhus, Rune Munck, Holzknecht, Barbara Juliane, Bjerrum, Lars, Jensen, J. N., Siersma, Volkert Dirk & Cordoba Currea, Gloria Cristina, 2021, In: Scandinavian Journal of Primary Health Care. 39, 4, p. 498-505 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Screening patients at admission to Copenhagen hospitals for carriage of resistant bacteria after contact with healthcare systems abroad, 2016–2019
Westerholt, M., Hasman, H., Hansen, D. S., Roer, L., Hansen, T. A., Petersen, A. & Holzknecht, Barbara Juliane, 2021, In: International Journal of Antimicrobial Agents. 58, 6, 106452.Research output: Contribution to journal › Journal article › Research › peer-review
- 2020
- Published
Shorter Total Length of Stay After Intraperitoneal Fosfomycin, Metronidazole, and Molgramostim for Complicated Appendicitis: A Pivotal Quasi-Randomized Controlled Trial
Fonnes, S., Roepstorff, S., Holzknecht, Barbara Juliane, Olesen, C. S., Olsen, J. H. H., Schmidt, L., Alder, R., Gamborg, S., Rasmussen, T., Arpi, M., Jørgensen, Lars Nannestad & Rosenberg, Jacob, 2020, In: Frontiers in Surgery. 7, 25.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The plasma pharmacokinetics of fosfomycin and metronidazole after intraperitoneal administration in patients undergoing appendectomy for uncomplicated appendicitis
Fonnes, S., Weisser, J. J., Holzknecht, Barbara Juliane, Arpi, M. & Rosenberg, Jacob, 2020, In: Fundamental and Clinical Pharmacology. 34, 4, p. 504-512 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Investigation of possible clonal transmission of carbapenemase-producing Klebsiella pneumoniae complex member isolates in Denmark using core genome MLST and National Patient Registry Data
Hammerum, A. M., Lauridsen, C. A. S., Blem, S. L., Roer, L., Hansen, F., Henius, A. E., Holzknecht, Barbara Juliane, Søes, L., Andersen, L. P., Røder, B. L., Justesen, U. S., Østergaard, C., Søndergaard, T., Dzajic, E., Wang, M., Fulgsang-Damgaard, D., Møller, K. L., Porsbo, L. J. & Hasman, H., 2020, In: International Journal of Antimicrobial Agents. 55, 5, 7 p., 105931.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Surveillance of OXA-244-producing Escherichia coli and epidemiologic investigation of cases, Denmark, January 2016 to August 2019
Hammerum, A. M., Porsbo, L. J., Hansen, F., Roer, L., Kaya, H., Henius, A., Møller, K. L., Justesen, U. S., Søes, L., Røder, B. L., Thomsen, P. K., Wang, M., Søndergaard, T. S., Holzknecht, Barbara Juliane, Østergaard, C., Kjerulf, A., Kristensen, B. & Hasman, H., 2020, In: Eurosurveillance. 25, 18, p. 1-9 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Commercial bacterial and fungal broad-range PCR (Micro-Dx™) used on culture-negative specimens from normally sterile sites: diagnostic value and implications for antimicrobial treatment
Marbjerg, L. H., Holzknecht, Barbara Juliane, Dargis, R., Dessau, R. B., Nielsen, X. C. & Christensen, J. J., 2020, In: Diagnostic Microbiology and Infectious Disease. 97, 2, 5 p., 115028.Research output: Contribution to journal › Journal article › Research › peer-review
- 2019
- Published
Infection with multiple carbapenemase-producing bacteria following cosmetic surgery in Iran detected after the introduction of systematic screening of repatriates
Andrews, V., Hansen, F., Hammerum, A. M., Hasman, H., Roer, L., Hansen, D. S., Olesen, B., Krogstrup, N. V., Dohrn, N. & Holzknecht, Barbara Juliane, Mar 2019, In: Journal of Global Antimicrobial Resistance. 16, p. 144-146Research output: Contribution to journal › Letter › Research › peer-review
- Published
LRE-Finder, a Web tool for detection of the 23S rRNA mutations and the optrA, cfr, cfr(B) and poxtA genes encoding linezolid resistance in enterococci from whole-genome sequences
Hasman, H., Clausen, P. T. L. C., Kaya, H., Hansen, F., Knudsen, J. D., Wang, M., Holzknecht, Barbara Juliane, Samulioniené, J., Røder, B. L., Frimodt-Møller, N., Lund, O. & Hammerum, A. M., 2019, In: Journal of Antimicrobial Chemotherapy. 74, 6, p. 1473-1476Research output: Contribution to journal › Journal article › Research › peer-review
- 2018
- Published
The Combination of Fosfomycin, Metronidazole, and Recombinant Human Granulocyte-Macrophage Colony-Stimulating Factor is Stable in vitro and Has Maintained Antibacterial Activity
Fonnes, S., Holzknecht, Barbara Juliane, Gasbjerg, Lærke Smidt, Weisser, J. J., Hallberg, H. W., Arpi, M. & Rosenberg, Jacob, 2018, In: Drug Research. 68, 6, p. 349-354Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Typing of vancomycin-resistant enterococci with MALDI-TOF mass spectrometry in a nosocomial outbreak setting
Holzknecht, Barbara Juliane, Dargis, R., Pedersen, M., Pinholt, M., Christensen, J. J., Hammerum, A. M., Littauer, P., Worning, P., Westh, Henrik T., Moser, C., Justesen, U. S., Lemming, L. E., Søndergaard, T. S., Dzajic, E., Ejlertsen, T. & the Danish Enterococcal Study Group, T. D. E. S. G., 2018, In: Clinical Microbiology and Infection. 24, 10, p. 1104.e1-1104.e4Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Dissemination and characteristics of a novel plasmid-encoded carbapenem-hydrolyzing class D β-lactamase, OXA-436, found in isolates from four patients at six different hospitals in Denmark
Samuelsen, Ø., Hansen, F., Aasnæs, B., Hasman, H., Lund, B. A., Leiros, H. K. S., Lilje, B., Janice, J., Jakobsen, L., Littauer, P., Søes, L. M., Holzknecht, Barbara Juliane, Andersen, Leif Percival, Stegger, M., Andersen, P. S. & Hammerum, A. M., Jan 2018, In: Antimicrobial Agents and Chemotherapy. 62, 1, 13 p., e01260-17.Research output: Contribution to journal › Journal article › Research › peer-review
ID: 196982946
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Dissemination and characteristics of a novel plasmid-encoded carbapenem-hydrolyzing class D β-lactamase, OXA-436, found in isolates from four patients at six different hospitals in Denmark
Research output: Contribution to journal › Journal article › Research › peer-review
Published -
30
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Antibiotic prescribing in Danish general practice in the elderly population from 2010 to 2017
Research output: Contribution to journal › Journal article › Research › peer-review
Published -
26
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Shorter Total Length of Stay After Intraperitoneal Fosfomycin, Metronidazole, and Molgramostim for Complicated Appendicitis: A Pivotal Quasi-Randomized Controlled Trial
Research output: Contribution to journal › Journal article › Research › peer-review
Published