Ulrikka Nygaard

Ulrikka Nygaard

Clinical Associate Professor

Member of:

  • Paediatrics


Publication year:
All
1 - 25 out of 61Page size: 25
  1. 2024
  2. 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

  3. 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

  4. Published

    Markers of intestinal mucositis to predict blood stream infections at the onset of fever during treatment for childhood acute leukemia

    Weischendorff, S., Rathe, M., Petersen, M. J., Weimann, A., Enevold, C., Nielsen, C. H., Als-Nielsen, B., Nygaard, Ulrikka, Moser, Claus Ernst & Muller, Klaus, 2024, In: Leukemia. 38, p. 14–20 7 p.

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

  5. Published

    Switch from intravenous-to-oral antibiotics in neonatal probable and proven early-onset infection: A prospective population-based real-life multicentre cohort study

    Carlsen, Emma Louise Malchau, Dungu, K. H. S., Lewis, A., Vissing, N. H., Aunsholt, Lise, Trautner, S., Stanchev, Hristo, Dayani, G. K., Pedersen, A. J. L., Bjerager, M., De Salas, M., Vestergaard, K., Pedersen, P., Frimodt-Møller, N., Greisen, Gorm, Hansen, Bo Mølholm & Nygaard, Ulrikka, 2024, In: Archives of Disease in Childhood: Fetal and Neonatal Edition. 109, 1, p. 34-40

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

  6. 2023
  7. Published

    The magnitude and severity of paediatric RSV infections in 2022–2023: A Danish nationwide cohort study

    Nygaard, Ulrikka, Nielsen, J., Nielsen, J. S. A., Matthesen, A. T., Dungu, K. H. S., Hartling, U. B. & Holm, M., Oct 2023, In: Acta Paediatrica, International Journal of Paediatrics. 112, 10, p. 2199-2201 3 p.

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

  8. 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

  9. 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

  10. 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

  11. 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

  12. 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

  13. Published

    Oral-only antibiotics for bone and joint infections in children: Study protocol for a nationwide randomised open-label non-inferiority trial

    Bybeck Nielsen, A., Borch, L., Damkjaer, M., Glenthøj, J. P., Hartling, U., Hoffmann, T. U., Holm, M., Helleskov Rasmussen, A., Schmidt, Lisbeth Samsø, Schmiegelow, Kjeld, Stensballe, Lone Graff & Nygaard, Ulrikka, 2023, In: BMJ Open. 13, 6, 9 p., e072622.

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

  14. Published

    Parapneumonic effusion in children: Rapid pathogen detection in pleural fluid using multiplex bacterial PCR

    Nygaard, Ulrikka, Kirkby, N. S., Bloch, J., Sethi, Naqash Javaid, Nielsen, Alex Christian Yde, Poulsen, Anne, Buchvald, F., von Linstow, M. L. & Vissing, N. H., 2023, In: Acta Paediatrica, International Journal of Paediatrics. 112, 7, p. 1555-1557 3 p.

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

  15. Published

    Risk of New-onset Type 1 Diabetes in Danish Children and Adolescents after SARS-CoV-2 Infection: A Nationwide, Matched Cohort Study

    Bering, L., Christensen, A. V., Birk, N. M., Thygesen, L. C., Bundgård, Henning, Benfield, Thomas, Nygaard, Ulrikka, Johannesen, Jesper, Nielsen, Susanne Dam & Berg, Selina Kikkenborg, 2023, In: Pediatric Infectious Disease Journal. 42, 11, p. 999-1001 3 p.

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

  16. Published

    Risk of body weight changes among Danish children and adolescents during the COVID-19 pandemic

    Berg, Selina Kikkenborg, Birk, N. M., Thorsted, A. B., Rosenkilde, S., Jensen, L. B., Nygaard, Ulrikka, Bundgård, Henning, Thygesen, L. C., Ersbøll, A. K., Nielsen, Susanne Dam & Christensen, A. V., 2023, In: Pediatric Obesity. 18, 4, 11 p., e13005.

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

  17. Published

    Symptoms in the acute phase of SARS-CoV-2 infection among Danish children aged 0–14 years

    Berg, Selina Kikkenborg, Palm, P., Nielsen, S. D., Nygaard, Ulrikka, Bundgård, Henning, Rosenkilde, S., Thorsted, A. B., Ersbøll, A. K., Thygesen, L. C., Petersen, M. N. S. & Christensen, A. V., 2023, In: IJID Regions. 7, p. 262-267 6 p.

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

  18. Published

    The right antibiotic for the right neonate? A prospective observational cohort study at a district hospital in Pemba, Tanzania

    Larsen, L. V., Lassen, M. L., Lund, S., Nygaard, Ulrikka, Bech, C. M., Mzee, S., Ali, S. M. & Poulsen, Anne, 2023, In: Journal of Tropical Pediatrics. 69, 1, fmac116.

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

  19. 2022
  20. Published

    Population-based Incidence of Myopericarditis After COVID-19 Vaccination in Danish Adolescents

    Nygaard, Ulrikka, Holm, M., Bohnstedt, Cathrine, Chai, Q., Schmidt, Lisbeth Samsø, Hartling, U. B., Petersen, Jens, Thaarup, J., Bjerre, J., Vejlstrup, N. G., Juul, K. & Stensballe, Lone Graff, Jan 2022, In: Pediatric Infectious Disease Journal. 41, 1, p. E25-E28 4 p.

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

  21. 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

  22. 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

  23. 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

  24. 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

  25. 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

  26. 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

  27. Published

    Lactate as a Screening Tool for Critical Illness in a Pediatric Emergency Department

    Nygaard, Ulrikka, Dungu, K. H. S., von Linstow, M., Lundstrøm, K., Zhang, H. & Vissing, N. H., 2022, In: Pediatric Emergency Care.

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

  28. Published

    Left ventricular thrombus in multisystem inflammatory syndrome in children associated with COVID-19

    Schroder, J., Lund, Morten Asp Vonsild, Vejlstrup, N., Juul, K. & Nygaard, Ulrikka, 2022, In: Cardiology in the Young. 32, 1, p. 138–141 4 p.

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

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ID: 164258558