Mikkel Østergaard

Mikkel Østergaard

Clinical Professor

Member of:

  • Internal Medicine: Rheumatology


  1. 2009
  2. Published

    Mannose-binding lectin gene polymorphisms are associated with disease activity and physical disability in untreated, anti-cyclic citrullinated peptide-positive patients with early rheumatoid arthritis

    Jacobsen, S., Garred, P., Madsen, H. O., Heegaard, N. H. H., Hetland, M. L., Stengaard-Pedersen, K., Junker, P., Lottenburger, T., Ellingsen, T., Smedegaard Andersen, L., Hansen, I., Skjødt, H., Pedersen, J. K., Lauridsen, U. B., Svendsen, A. J., Tarp, U., Pødenphant, J., Lindegaard, H., Vestergaard, A., Østergaard, M. & 22 others, Hørslev-Petersen, K., Jacobsen, Søren, Garred, Peter, Madsen, H. O., Heegaard, N. H. H., Hetland, Merete Lund, Stengaard-Pedersen, K., Junker, P., Lottenburger, T., Ellingsen, T., Smedegaard Andersen, L., Hansen, I., Skjødt, H., Pedersen, J. K., Lauridsen, U. B., Svendsen, A. J., Tarp, U., Pødenphant, J., Lindegaard, H., Vestergaard, A., Østergaard, Mikkel & Hørslev-Petersen, K., 1 Apr 2009, In: Journal of Rheumatology. 36, 4, p. 731-5 5 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    Active inflammatory lesions detected by magnetic resonance imaging in the spine of patients with spondyloarthritis-definitions, assessment system, and reference image set

    Lambert, R. G., Pedersen, S. J., Maksymowych, W. P., Chiowchanwisawakit, P. & Østergaard, Mikkel, 2009, In: Journal of Rheumatology. 84, p. 3-

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published

    Atlas of Magnetic Resonance Imaging Abnormalities in the Spine in Spondyloarthritis: Definitions, Reliability, Training, and Conceptual Framework. A Report from the Canada (SPARCC)-Denmark International Spondyloarthritis Working Group

    Maksymowych, W. P., Østergaard, Mikkel, Chiowchanwisawakit, P., Pedersen, S. J. & Lambert, R. G., 2009, In: Journal of Rheumatology. 84, p. 1-2 2 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    Changes in plasma IL-6, plasma VEGF and serum YKL-40 during Treatment with Etanercept and Methotrexate or Etanercept alone in Patients with Active Rheumatoid Arthritis Despite Methotrexate Therapy

    Knudsen, Lene Surland, Hetland, Merete Lund, Johansen, Julia Sidenius, Skjødt, H., Peters, N. D., Colic, A., Grau, K., Nielsen, H. J., Østergaard, Mikkel, Knudsen, L. S., Hetland, M. L., Johansen, J. S., Skjødt, H., Peters, N. D., Colic, A., Grau, K., Nielsen, H. J. & Østergaard, Mikkel, 2009, In: Biomarker Insights. 4, p. 91-5 4 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

    Defining active sacroiliitis on magnetic resonance imaging (MRI) for classification of axial spondyloarthritis: a consensual approach by the ASAS/OMERACT MRI group

    Rudwaleit, M., Jurik, A. G., Hermann, K. A., Landewé, R., van der Heijde, D., Baraliakos, X., Marzo-Ortega, H., Østergaard, Mikkel, Braun, J. & Sieper, J., 2009, In: Annals of the Rheumatic Diseases. 68, 10, p. 1520-7 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

    Development and Validation of Web-based Training Modules for Systematic Evaluation of Active Inflammatory Lesions in the Spine and Sacroiliac Joints in Spondyloarthritis

    Maksymowych, W. P., Dhillon, S. S., Chiowchanwisawakit, P., Pedersen, S. J., Martinez, B., Østergaard, Mikkel & Lambert, R. G., 2009, In: Journal of Rheumatology. 84, p. 48-

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    Guidelines for initiation of anti-tumour necrosis factor therapy in rheumatoid arthritis: similarities and differences across Europe

    Emery, P., Van Vollenhoven, R., Østergaard, Mikkel, Choy, E., Combe, B., Graninger, W., Krueger, K., Matucci-Cerinic, M., Navarro, F., van Riel, P., Settas, L. & Steinfeld, S., 2009, In: Annals of the Rheumatic Diseases. 68, 4, p. 456-9 3 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    Inflammatory lesions of the spine on magnetic resonance imaging predict the development of new syndesmophytes in ankylosing spondylitis: evidence of a relationship between inflammation and new bone formation

    Maksymowych, W. P., Chiowchanwisawakit, P., Clare, T., Pedersen, S. J., Østergaard, Mikkel & Lambert, R. G. W., 2009, In: Arthritis & Rheumatism. 60, 1, p. 93-102 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    MRI bone oedema scores are higher in the arthritis mutilans form of psoriatic arthritis and correlate with high radiographic scores for joint damage

    Tan, Y. M., Østergaard, M., Doyle, A., Dalbeth, N., Lobo, M., Reeves, Q., Robinson, E., Taylor, W. J., Jones, P. B., Pui, K., Lee, J., McQueen, F. M., Tan, Y. M., Østergaard, M., Doyle, A., Dalbeth, N., Lobo, M., Reeves, Q., Robinson, E., Taylor, W. J. & 4 others, Jones, P. B., Pui, K., Lee, J. & McQueen, F. M., 2009, In: Arthritis Research & Therapy. 11, 1, p. R2

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Published

    MRI quantification of rheumatoid arthritis: current knowledge and future perspectives

    Boesen, Mikael Ploug, Østergaard, Mikkel, Cimmino, M. A., Kubassova, O., Jensen, K. E., Bliddal, Henning, Boesen, M., Østergaard, Mikkel, Cimmino, M. A., Kubassova, O., Jensen, K. E. & Bliddal, H., 2009, In: European Journal of Radiology. 71, 2, p. 189-96 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  12. Published

    Microanatomic studies to define predictive factors for the topography of periarticular erosion formation in inflammatory arthritis

    McGonagle, D., Tan, A. L., Møller Døhn, U., Østergaard, Mikkel & Benjamin, M., 2009, In: Arthritis & Rheumatism. 60, 4, p. 1042-51 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  13. Published

    Proposal for levels of evidence schema for validation of a soluble biomarker reflecting damage endpoints in rheumatoid arthritis, psoriatic arthritis, and ankylosing spondylitis, and recommendations for study design

    Maksymowych, W. P., Fitzgerald, O., Wells, G. A., Gladman, D. D., Landewe, R., Østergaard, M., Taylor, W. J., Christensen, R., Tak, P. P., Boers, M., Syversen, S. W., Bathon, J. M., Ritchlin, C. J., Mease, P. J., Bykerk, V. P., Garnero, P., Geusens, P., El-Gabalawy, H., Aletaha, D., Inman, R. D. & 3 others, Kraus, V. B., Kvien, T. K. & der, H. D. V., 2009, In: Journal of Rheumatology. 36, 8, p. 1792-1799 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  14. Published

    Reducing invasiveness, duration, and cost of magnetic resonance imaging in rheumatoid arthritis by omitting intravenous contrast injection -- Does it change the assessment of inflammatory and destructive joint changes by the OMERACT RAMRIS?

    Østergaard, M., Conaghan, P. G., O'Connor, P., Szkudlarek, M., Klarlund, M., Emery, P., Peterfy, C., Genant, H., McQueen, F. M., Bird, P., Lassere, M., Ejbjerg, B., Ostergaard, M., Conaghan, P. G., O'Connor, P., Szkudlarek, M., Klarlund, M., Emery, P., Peterfy, C., Genant, H. & 4 others, McQueen, F. M., Bird, P., Lassere, M. & Ejbjerg, B., 2009, In: Journal of Rheumatology. 36, 8, p. 1806-10 4 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  15. Published

    Structural lesions detected by magnetic resonance imaging in the spine of patients with spondyloarthritis-definitions, assessment system, and reference image set

    Østergaard, Mikkel, Maksymowych, W. P., Pedersen, S. J., Chiowchanwisawakit, P. & Lambert, R. G., 2009, In: Journal of Rheumatology. 84, p. 18-

    Research output: Contribution to journalJournal articleResearchpeer-review

  16. Published

    Tendency towards erosive regression on magnetic resonance imaging at 12 months in rheumatoid arthritis patients treated with rituximab

    Døhn, U. M., Østergaard, Mikkel, Bird, P., Boonen, A., Johansen, J. S., Møller, J. M. & Hansen, M. S., 2009, In: Annals of the Rheumatic Diseases. 68, 6, p. 1072-3 2 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  17. Published

    Testing an OMERACT MRI scoring system for peripheral psoriatic arthritis in cross-sectional and longitudinal settings

    McQueen, F., Lassere, M., Duer-Jensen, A., Wiell, C., Conaghan, P. G., Gandjbakhch, F., Hermann, K. A., Bird, P., Bøyesen, P., Peterfy, C., Ejbjerg, B., Haavardsholm, E. A., Coates, L. & Østergaard, Mikkel, 2009, In: Journal of Rheumatology. 36, 8, p. 1811-5 5 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  18. Published

    Testing of the OMERACT 8 draft validation criteria for a soluble biomarker reflecting structural damage in rheumatoid arthritis: a systematic literature search on 5 candidate biomarkers

    Syversen, S. W., Landewe, R., van der Heijde, D., Bathon, J. M., Boers, M., Bykerk, V. P., Fitzgerald, O., Gladman, D. D., Garnero, P., Geusens, P., El-Gabalawy, H., Inman, R. D., Kraus, V., Kvien, T. K., Mease, P. J., Østergaard, Mikkel, Ritchlin, C. J., Tak, P., Taylor, W. J. & Maksymowych, W. P., 2009, In: Journal of Rheumatology. 36, 8, p. 1769-84 15 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  19. Published

    The OMERACT MRI inflammatory arthritis group: advances and future research priorities

    Conaghan, P. G., Bird, P., McQueen, F., Peterfy, C., Bøyesen, P., Gandjbakhch, F., Duer-Jensen, A., Haavardsholm, E. A., Ejbjerg, B., Wiell, C., Coates, L., Hermann, K. A., O'Connor, P., Lassere, M., Freeston, J. E., Anandarajah, A., Genant, H., Emery, P. & Østergaard, Mikkel, 2009, In: Journal of Rheumatology. 36, 8, p. 1803-5 3 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  20. Published

    The OMERACT psoriatic arthritis magnetic resonance imaging scoring system (PsAMRIS): definitions of key pathologies, suggested MRI sequences, and preliminary scoring system for PsA Hands

    Østergaard, Mikkel, McQueen, F., Wiell, C., Bird, P., Bøyesen, P., Ejbjerg, B., Peterfy, C., Gandjbakhch, F., Duer-Jensen, A., Coates, L., Haavardsholm, E. A., Hermann, K. A., Lassere, M., O'Connor, P., Emery, P., Genant, H. & Conaghan, P. G., 2009, In: Journal of Rheumatology. 36, 8, p. 1816-24 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  21. Published

    Validation of definitions for active inflammatory lesions detected by magnetic resonance imaging in the spine of patients with spondyloarthritis

    Pedersen, S. J., Østergaard, Mikkel, Chiowchanwisawakit, P., Lambert, R. G. & Maksymowych, W. P., 2009, In: Journal of Rheumatology. 84, p. 35-

    Research output: Contribution to journalJournal articleResearchpeer-review

  22. Published

    Validation of definitions for structural lesions detected by magnetic resonance imaging in the spine of patients with spondyloarthritis

    Chiowchanwisawakit, P., Østergaard, Mikkel, Pedersen, S. J., Lambert, R. G., Conner-Spady, B. & Maksymowych, W. P., 2009, In: Journal of Rheumatology. 84, Suppl., p. 39-

    Research output: Contribution to journalJournal articleResearchpeer-review

  23. Published

    What factors influence the health status of patients with rheumatoid arthritis measured by the SF-12v2 Health Survey and the Health Assessment Questionnaire?

    Linde, L., Sørensen, Jan, Østergaard, Mikkel, Hørslev-Petersen, K., Rasmussen, C., Jensen, D. V., Hetland, Merete Lund, Linde, L., Sørensen, J., Østergaard, Mikkel, Hørslev-Petersen, K., Rasmussen, C., Jensen, D. V. & Hetland, M. L., 2009, In: Journal of Rheumatology. 36, 10, p. 2183-9 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

ID: 6953