Ulrikka Nygaard

Ulrikka Nygaard

Clinical Associate Professor

Member of:

  • Paediatrics


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  1. Published

    Staphylococcus aureus Bacteremia in Children Aged 5-18 Years-Risk Factors in the New Millennium

    Østergaard, L. B., Schmiegelow, M. D. S., Bruun, Niels Eske, Skov, R., Andersen, P. S., Larsen, A. R., Gerds, Thomas Alexander, Dahl, A., Petersen, A., Lauridsen, T. K., Nygaard, Ulrikka & Torp-Pedersen, C., 2018, In: Journal of Pediatrics. 203, p. 108-115 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  2. Published

    A Long Axial Field of View Enables PET/CT in Toddler Without Sedation

    Reichkendler, M., Andersen, Flemming Littrup, Borgwardt, L., Nygaard, Ulrikka, Albrecht-Beste, Elisabeth, Andersen, K. F., Ljunggren, A., Abrahamsen, N., Loft, A., Højgaard, Liselotte & Fischer, Barbara Malene Bjerregaard, 2022, In: Journal of nuclear medicine : official publication, Society of Nuclear Medicine. 63, 12, p. 1962 1 p.

    Research output: Contribution to journal › Letter › Research › peer-review

  3. Published

    A Protocol for Low-Input RNA-Sequencing of Patients with Febrile Neutropenia Captures Relevant Immunological Information

    Probst, V., Smedegaard, L. M., Simonyan, Arman, Guo, Y., Østrup, O., Dungu, K. H. S., Vissing, N. H., Nygaard, Ulrikka & Bagger, F. O., 2023, In: International Journal of Molecular Sciences. 24, 12, 12 p., 10251.

    Research output: Contribution to journal › Journal article › Research › peer-review

  4. Published

    Acute symptoms in SARS-CoV-2 positive adolescents aged 15–18 years – Results from a Danish national cross-sectional survey study

    Berg, Selina Kikkenborg, Palm, P., Nielsen, Susanne Dam, Nygaard, Ulrikka, Bundgård, Henning, Rotvig, C. & Christensen, A. V., 2022, In: The Lancet Regional Health - Europe. 16, 10 p., 100354.

    Research output: Contribution to journal › Journal article › Research › peer-review

  5. Published

    Antibiotics for hospital-acquired pneumonia in neonates and children

    Korang, S. K., Nava, C., Nygaard, Ulrikka & Jakobsen, J. C., 2021, In: Cochrane Database of Systematic Reviews. 2021, 1, 21 p., CD013864.

    Research output: Contribution to journal › Journal article › Research › peer-review

  6. Published

    Antibody response to vaccination after haematopoietic cell transplantation in children using a reduced dose schedule-A retrospective cohort study

    Jensen, L., Poulsen, A., Nygaard, Ulrikka, Scheike, Thomas, Riis, Margit Schilling, Pedersen, F. K. & Heilmann, C., 2020, In: Pediatric Transplantation. 24, 1, e13599.

    Research output: Contribution to journal › Journal article › Research › peer-review

  7. Published

    Aspergillus flavus Infections in Children with Leukemia despite Liposomal Amphotericin-B Prophylaxis

    Vissing, N. H., Lausen, B., Hutchings Hoffmann, M., Als-Nielsen, B., Schmiegelow, Kjeld, Helweg-Larsen, J., Arendrup, Maiken Cavling & Nygaard, Ulrikka, 2021, In: Pediatric Infectious Disease Journal. 40, 8, p. 749-752 4 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  8. Published

    Best oral empirical treatment for pyelonephritis in children: Do we need to differentiate between age and gender?

    Salomonsson, P., von Linstow, M., Knudsen, J. D., Heiberg, I., Mola, G., Wenger, T. R., Cortes, Dina & Nygaard, Ulrikka, 2016, In: Infectious Diseases. 48, 10, p. 721-725 5 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  9. Published

    Borderline-positive quantiferon in children

    Nygaard, Ulrikka, Poulsen, A., Nielsen, A. Y., Ravn, Pernille & Vissing, N. H., 2019, In: Pediatric Infectious Disease Journal. 38, 11, p. E307-E309

    Research output: Contribution to journal › Journal article › Research › peer-review

  10. Published

    COVID-19 hos børn ogog ungeunge

    Schelde, Astrid Blicher, Nielsen, K. F., Nygaard, Ulrikka, von Linstow, M., Espenhain, L. & Koch, A., 2022, In: Ugeskrift for Laeger. 184, 9, 6 p., V11210858.

    Research output: Contribution to journal › Review › Research › peer-review

  11. Published

    Changing rates but persisting seasons: patterns of enterovirus infections in hospitalizations and outpatient visits in Denmark 2015-2022

    Johannesen, C. K., Egeskov-cavling, A. M., Jepsen, M. P. G., Lange, Theis, Krause, T. G., Nygaard, Ulrikka & Fischer, Thea Kølsen, 2024, In: Frontiers in Virology. 4, 11 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  12. Published

    Clinical Manifestations in Children with Staphylococcal Bacteremia Positive for Panton-Valentine Leucocidin: A Nationwide Survey in a Low Methicillin-Resistance Setting

    Bybeck Nielsen, A., Larsen, A. R., Petersen, A., Schønheyder, H. C., Westh, Henrik T., Benfield, Thomas & Nygaard, Ulrikka, Sep 2020, In: The Pediatric Infectious Disease Journal. 39, 9, p. e274-e276 3 p.

    Research output: Contribution to journal › Letter › Research › peer-review

  13. Published

    Diagnostik af tuberkulose hos børn og unge

    Mathiasen, V. D., Kruse, Alexandra Yasmin Collin, Wejse, C., Andersen, P. H., Nygaard, Ulrikka & Holm, M., 2020, In: Ugeskrift for Laeger. 182, 10, 5 p., V09190492.

    Research output: Contribution to journal › Journal article › Research › peer-review

  14. Published

    Evaluering af yngre lægers færdigheder

    Nygaard, Ulrikka, Nielsen, Henriette Svarre, Schmidt, I. M., Nysom, K., Schmiegelow, K. & Sorensen, Jette Led , 1 Sep 2009, In: Ugeskrift for Laeger. 171, 38

    Research output: Contribution to journal › Journal article › Research › peer-review

  15. Published

    Fatal SARS-CoV-2-Associated Panton-Valentine Leukocidin-producing Staphylococcal Bacteremia A Nationwide Multicenter Cohort Study

    Nygaard, Ulrikka, Petersen, A., Larsen, A. R., Rytter, Maren Johanne Heilskov, Hartling, U., Kirkby, N., Hansen, R. N., Nielsen, A. B., Lundstrom, K., Holm, M. & Vissing, N. H., 2022, In: Pediatric Infectious Disease Journal. 41, 4, p. E142-E145 4 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  16. Published

    Hepatotoxicity During Maintenance Therapy and Prognosis in Children With Acute Lymphoblastic Leukemia

    Ebbesen, M. S., Nygaard, Ulrikka, Rosthøj, Susanne, Sørensen, D., Nersting, J., Vettenranta, K., Wesenberg, F., Kristinsson, J., Harila-Saari, A. & Schmiegelow, Kjeld, Apr 2017, In: Journal of Pediatric Hematology/Oncology. 39, 3, p. 161–166 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  17. Published

    Herpes simplex virus infection among neonates suspected of invasive bacterial infection: A population-based cohort study

    Dungu, K. H. S., Lund, S., Malchau Carlsen, E. L., Hartling, U. B., Matthesen, A. T., Franck, K. T., Thomsen, M. K., Justesen, U. S., Nielsen, H. L., Nielsen, A. C. Y., Henriksen, T. B. & Nygaard, Ulrikka, 2023, In: Archives of Disease in Childhood: Fetal and Neonatal Edition. 108, 6, p. F655–F660 6 p., 325583.

    Research output: Contribution to journal › Journal article › Research › peer-review

  18. Published

    Herpes simplex-virusinfektion hos nyfødte

    Lund, S., Henriksen, T. B., Poulsen, A., Dungu, K. H. S., Carlsen, E. L. M., Hansen, Bo Mølholm, Aunsholt, Lise & Nygaard, Ulrikka, 2022, In: Ugeskrift for Laeger. 184, 24, 7 p., V11210869.

    Research output: Contribution to journal › Review › Research › peer-review

  19. Published

    High levels of antibodies 6 months after COVID-19 vaccination in children with severe chronic diseases: A prospective longitudinal case series

    Nygaard, Ulrikka, Kirkby, N. S., Dungu, K. H. S., Nielsen, Kim G., Masmas, T., Juul, K., Born, P., Buus, Søren & Stensballe, Lone Graff, 2023, In: Acta Paediatrica. 112, 4, p. 802-804 3 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  20. Published

    Host RNA Expression Signatures in Young Infants with Urinary Tract Infection: A Prospective Study

    Dungu, K. H. S., Carlsen, Emma Louise Malchau, Glenthøj, J. P., Schmidt, Lisbeth Samsø, Jørgensen, Inger Merete, Cortes, Dina, Poulsen, A., Vissing, N. H., Bagger, F. O. & Nygaard, Ulrikka, 2024, In: International Journal of Molecular Sciences. 25, 9, 11 p., 4857.

    Research output: Contribution to journal › Journal article › Research › peer-review

  21. Published

    Imaging modalities for pulmonary tuberculosis in children: A systematic review

    Tonne, E. O., Fosbøl, Marie Øbro, Poulsen, A., Nygaard, Ulrikka, Højgaard, Liselotte & Borgwardt, L., 2023, In: European Journal of Radiology Open. 10, 10 p., 100472.

    Research output: Contribution to journal › Review › Research › peer-review

  22. Published

    Incidence and clinical phenotype of multisystem inflammatory syndrome in children after infection with the SARS-CoV-2 delta variant by vaccination status: a Danish nationwide prospective cohort study

    Nygaard, Ulrikka, Holm, M., Hartling, U. B., Glenthøj, J., Schmidt, Lisbeth Samsø, Nordly, S. B., Matthesen, A. T., von Linstow, M. L. & Espenhain, L., 2022, In: The Lancet Child and Adolescent Health. 6, 7, p. 459-465 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  23. Published

    Individualised versus standard duration of antibiotic therapy in children with acute uncomplicated febrile urinary tract infection: A study protocol and statistical analysis plan for a multicentre randomised clinical trial

    Sethi, N., Carlsen, E. L. M., Schmidt, I. M., Cortes, Dina, Nygaard, Ulrikka & Sehested, L. T., 2023, In: BMJ Open. 13, 6, 8 p., e070888.

    Research output: Contribution to journal › Journal article › Research › peer-review

  24. Published

    Infection with SARS-CoV-2 following Second Dose Pfizer-BioNTech mRNA COVID-19 Vaccine BNT162b2 in Danish Adolescents Aged 12–18 Years: A Real-World Nationwide Danish Cohort Study

    Birk, N. M., Christensen, A. V., Nygaard, Ulrikka, Bundgård, Henning, Nielsen, Susanne Dam, Berg, Selina Kikkenborg & Wallach-Kildemoes, H., 2024, In: Viruses. 16, 7 p., 56.

    Research output: Contribution to journal › Journal article › Research › peer-review

  25. Published

    Infectious diseases detected by screening after arrival to Denmark in internationally adopted children

    Nielsen, A. V., Kjærgaard, J., Pedersen, T. M., Helmuth, I. G., Nygaard, Ulrikka, Nielsen, H. W., Christensen, Vibeke Brix, Kurtzhals, Jørgen & Poulsen, A., 2020, In: Acta Paediatrica, International Journal of Paediatrics. 109, 5, p. 1004-1010 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

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