Ulrikka Nygaard

Ulrikka Nygaard

Clinical Associate Professor

Member of:

  • Paediatrics


  1. 2022
  2. 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 journalLetterResearchpeer-review

  3. 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 journalLetterResearchpeer-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 journalJournal articleResearchpeer-review

  5. 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 journalReviewResearchpeer-review

  6. 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 journalJournal articleResearchpeer-review

  7. 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 journalReviewResearchpeer-review

  8. 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 journalJournal articleResearchpeer-review

  9. 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 journalJournal articleResearchpeer-review

  10. 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 journalJournal articleResearchpeer-review

  11. Published

    Long COVID symptoms in SARS-CoV-2-positive adolescents and matched controls (LongCOVIDKidsDK): a national, cross-sectional study

    Berg, Selina Kikkenborg, Nielsen, S. D., Nygaard, Ulrikka, Bundgård, Henning, Palm, P., Rotvig, C. & Christensen, A. V., 2022, In: The Lancet Child and Adolescent Health. 6, 4, p. 240-248 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  12. Published

    Long COVID symptoms in SARS-CoV-2-positive children aged 0–14 years and matched controls in Denmark (LongCOVIDKidsDK): a national, cross-sectional study

    Berg, Selina Kikkenborg, Palm, P., Nygaard, Ulrikka, Bundgård, Henning, Petersen, M. N. S., Rosenkilde, S., Thorsted, A. B., Ersbøll, A. K., Thygesen, L. C., Nielsen, Susanne Dam & Vinggaard Christensen, A., 2022, In: The Lancet Child and Adolescent Health. 6, 9, p. 614-623 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  13. Published

    Multisystem inflammatory syndrome in a male adolescent after his second Pfizer-BioNTech COVID-19 vaccine

    Chai, Q., Nygaard, Ulrikka, Schmidt, R. C., Zaremba, T., Møller, A. M. & Thorvig, C. M., 2022, In: Acta Paediatrica, International Journal of Paediatrics. 111, 1, p. 125-127 3 p.

    Research output: Contribution to journalComment/debateResearchpeer-review

  14. Published

    Risk and Phenotype of Multisystem Inflammatory Syndrome in Vaccinated and Unvaccinated Danish Children before and during the Omicron Wave

    Holm, M., Espenhain, L., Glenthøj, J., Schmidt, Lisbeth Samsø, Nordly, S. B., Hartling, U. B. & Nygaard, Ulrikka, 2022, In: JAMA Pediatrics. 176, 8, p. 821-823

    Research output: Contribution to journalLetterResearchpeer-review

  15. Published

    Risk factors for neonatal sepsis in Sub-Saharan Africa: A systematic review with meta-analysis

    Bech, C. M., Stensgaard, C. N., Lund, S., Holm-Hansen, C., Brok, J. S., Nygaard, Ulrikka & Poulsen, Anne, 2022, In: BMJ Open. 12, 9, e054491.

    Research output: Contribution to journalReviewResearchpeer-review

  16. Published

    Risk of Myopericarditis After COVID-19 Vaccination in Danish Children Aged 5 to 11 Years

    Nygaard, Ulrikka, Holm, M., Dungu, K. H. S., Matthesen, A. T., Stensballe, Lone Graff, Espenhain, L. & Hartling, U., 2022, In: Pediatrics. 150, 2, e2022057508.

    Research output: Contribution to journalLetterResearchpeer-review

  17. Published

    Short- and Long-Term Self-Reported Symptoms in Adolescents Aged 12–19 Years after Vaccination against SARS-CoV-2 Compared to Adolescents Not Vaccinated—A Danish Retrospective Cohort Study

    Berg, Selina Kikkenborg, Wallach-Kildemoes, H., Rasmussen, L. R., Nygaard, Ulrikka, Bundgård, Henning, Petersen, M. N. S., Hammer, C. B., Ersbøll, A. K., Thygesen, L. C., Nielsen, Susanne Dam & Christensen, A. V., 2022, In: Vaccines. 10, 11, 1863.

    Research output: Contribution to journalJournal articleResearchpeer-review

  18. Published

    Unexplained fever in children — Benefits and challenges of FDG-PET/CT

    Nygaard, Ulrikka, Larsen, L. V., Vissing, N. H., von Linstow, M., Myrup, C., Berthelsen, A. K., Poulsen, A. & Borgwardt, L., 2022, In: Acta Pædiatrica. 111, 11, p. 2203-2209 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

ID: 164258558