Mikkel Østergaard

Mikkel Østergaard

Clinical Professor

Member of:

  • Internal Medicine: Rheumatology


Publication year:
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1 - 50 out of 774Page size: 50
  1. 1994
  2. Published

    Dynamic gadolinium-enhanced MR imaging in active and inactive immunoinflammatory gonarthritis.

    Østergaard, Mikkel, Lorenzen, I. & Henriksen, O., 1994, In: Acta Radiologica. 35, 3, p. 275-281 7 p.

    Research output: Contribution to journal › Journal article › Research

  3. Published

    Synovial volume--a marker of disease severity in rheumatoid arthritis? Quantification by MRI.

    Østergaard, Mikkel, Gideon, P., Henriksen, O. & Lorenzen, I., 1994, In: Scandinavian Journal of Rheumatology. 23, 4, p. 197-202 6 p.

    Research output: Contribution to journal › Journal article › Research

  4. 1995
  5. Published

    Effect of intraarticular osmic acid on synovial membrane volume and inflammation, determined by magnetic resonance imaging.

    Østergaard, Mikkel, Stoltenberg, M., Gideon, P., Wieslander, S., Sonne-Holm, S., Kryger, P. & Sonne, M., 1995, In: Scandinavian Journal of Rheumatology. 24, 1, p. 5-12 8 p.

    Research output: Contribution to journal › Journal article › Research

  6. Published

    Scoring of synovial membrane hypertrophy and bone erosions by MR imaging in clinically active and inactive rheumatoid arthritis of the wrist.

    Østergaard, Mikkel, Gideon, P., Sørensen, K., Hansen, M., Stoltenberg, M., Henriksen, O. & Lorenzen, I., 1995, In: Scandinavian Journal of Rheumatology. 24, 4, p. 212-218 7 p.

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

  7. Published

    The accuracy of MRI-determined synovial membrane and joint effusion volumes in arthritis. A comparison of pre- and post-aspiration volumes.

    Østergaard, Mikkel, Stoltenberg, M., Henriksen, O. & Lorenzen, I., 1995, In: Scandinavian Journal of Rheumatology. 24, 5, p. 305-311 7 p.

    Research output: Contribution to journal › Journal article › Research

  8. Published

    Ultrasonography in arthritis of the knee. A comparison with MR imaging.

    Østergaard, Mikkel, Court-Payen, M., Gideon, P., Wieslander, S., Cortsen, M., Lorenzen, I. & Henriksen, O., 1995, In: Acta Radiologica. 36, 1, p. 19-26 8 p.

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

  9. 1996
  10. Published

    Changes in synovial membrane and joint effusion volumes after intraarticular methylprednisolone. Quantitative assessment of inflammatory and destructive changes in arthritis by MRI.

    Østergaard, Mikkel, Stoltenberg, M., Gideon, P., Sørensen, K., Henriksen, O. & Lorenzen, I., 1996, In: Journal of Rheumatology. 23, 7, p. 1151-1161 11 p.

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

  11. Published

    Quantitative assessment of synovial inflammation by dynamic gadolinium-enhanced magnetic resonance imaging. A study of the effect of intra-articular methylprednisolone on the rate of early synovial enhancement.

    Østergaard, Mikkel, Stoltenberg, M., Henriksen, O. & Lorenzen, I., 1996, In: Br J Rheumatol. 35, 1, p. 50-59 10 p.

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

  12. Published

    Quantitative assessment of the synovial membrane in the rheumatoid wrist: an easily obtained MRI score reflects the synovial volume.

    Østergaard, Mikkel, Hansen, M., Stoltenberg, M. & Lorenzen, I., 1996, In: Br J Rheumatol. 35, 10, p. 965-971 7 p.

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

  13. 1997
  14. Published

    Different approaches to synovial membrane volume determination by magnetic resonance imaging: manual versus automated segmentation.

    Østergaard, Mikkel, 1997, In: Br J Rheumatol. 36, 11, p. 1166-1177 12 p.

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

  15. Published

    Magnetic resonance imaging-determined synovial membrane and joint effusion volumes in rheumatoid arthritis and osteoarthritis: comparison with the macroscopic and microscopic appearance of the synovium.

    Østergaard, Mikkel, Stoltenberg, M., Løvgreen-Nielsen, P., Volck, B., Jensen, C. H. & Lorenzen, I., 1997, In: Arthritis & Rheumatism. 40, 10, p. 1856-1867 12 p.

    Research output: Contribution to journal › Journal article › Research

  16. 1998
  17. Published

    Intensive dynamic training for females with chronic neck/shoulder pain. A randomized controlled trial.

    Randløv, A., Østergaard, Mikkel, Manniche, C., Kryger, P., Jordan, A., Heegaard, S. & Holm, B., 1998, In: Clinical Rehabilitation. 12, 3, p. 200-210 11 p.

    Research output: Contribution to journal › Journal article › Research

  18. Published

    Quantification of synovistis by MRI: correlation between dynamic and static gadolinium-enhanced magnetic resonance imaging and microscopic and macroscopic signs of synovial inflammation.

    Østergaard, Mikkel, Stoltenberg, M., Løvgreen-Nielsen, P., Volck, B., Sonne-Holm, S. & Lorenzen, I., 1998, In: Magnetic Resonance Imaging. 16, 7, p. 743-754 12 p.

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

  19. 1999
  20. Published

    Finger joint synovitis in rheumatoid arthritis: quantitative assessment by magnetic resonance imaging.

    Klarlund, M., Østergaard, Mikkel & Lorenzen, I., 1999, In: Rheumatology. 38, 1, p. 66-72 7 p.

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

  21. Published

    Magnetic resonance imaging in rheumatoid arthritis. Quantitative methods for assessment of the inflammatory process in peripheral joints.

    Østergaard, Mikkel, 1999, In: Danish Medical Bulletin (Online). 46, 4, p. 313-344 32 p.

    Research output: Contribution to journal › Review › Research

  22. Published

    Magnetic resonance imaging-determined synovial membrane volume as a marker of disease activity and a predictor of progressive joint destruction in the wrists of patients with rheumatoid arthritis.

    Østergaard, Mikkel, Hansen, M., Stoltenberg, M., Gideon, P., Klarlund, M., Jensen, K. E. & Lorenzen, I., 1999, In: Arthritis & Rheumatism. 42, 5, p. 918-929 12 p.

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

  23. Published

    Wrist and finger joint MR imaging in rheumatoid arthritis.

    Klarlund, M., Østergaard, Mikkel, Gideon, P., Sørensen, K., Jensen, K. E. & Lorenzen, I., 1999, In: Acta Radiologica. 40, 4, p. 400-409 10 p.

    Research output: Contribution to journal › Journal article › Research

  24. 2000
  25. Published

    Dynamic magnetic resonance imaging of the metacarpophalangeal joints in rheumatoid arthritis, early unclassified polyarthritis, and healthy controls.

    Klarlund, M., Østergaard, Mikkel, Rostrup, Egill, Skjødt, H. & Lorenzen, I., 2000, In: Scandinavian Journal of Rheumatology. 29, 2, p. 108-115 8 p.

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

  26. Published

    MRI bone erosions and MRI bone lesions in early rheumatoid arthritis: comment on the article by McGonagle et al.

    Østergaard, Mikkel, 2000, In: Arthritis & Rheumatism. 43, 4, p. 949-950

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

  27. Published

    Magnetic resonance imaging, radiography, and scintigraphy of the finger joints: one year follow up of patients with early arthritis. The TIRA Group.

    Klarlund, M., Østergaard, Mikkel, Jensen, K. E., Madsen, J. L., Skjødt, H. & Lorenzen, I., 2000, In: Annals of the Rheumatic Diseases. 59, 7, p. 521-528 8 p.

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

  28. 2001
  29. Published

    Importance of timing of post-contrast MRI in rheumatoid arthritis: what happens during the first 60 minutes after IV gadolinium-DTPA?

    Østergaard, Mikkel & Klarlund, M., 2001, In: Annals of the Rheumatic Diseases. 60, 11, p. 1050-1054 5 p.

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

  30. Published

    Interreader agreement in the assessment of magnetic resonance images of rheumatoid arthritis wrist and finger joints--an international multicenter study.

    Østergaard, Mikkel, Klarlund, M., Lassere, M., Conaghan, P., Peterfy, C., McQueen, F., O'Connor, P., Shnier, R., Stewart, N., McGonagle, D., Emery, P., Genant, H. & Edmonds, J., 2001, In: Journal of Rheumatology. 28, 5, p. 1143-1150 8 p.

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

  31. Published

    Low field dedicated magnetic resonance imaging in untreated rheumatoid arthritis of recent onset.

    Lindegaard, H., Vallø, J., Hørslev-Petersen, K., Junker, P. & Østergaard, Mikkel, 2001, In: Annals of the Rheumatic Diseases. 60, 8, p. 770-776

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

  32. Published

    Magnetic resonance imaging in rheumatoid arthritis: summary of OMERACT activities, current status, and plans.

    Conaghan, P., Edmonds, J., Emery, P., Genant, H., Gibbon, W., Klarlund, M., Lassere, M., McGonagle, D., McQueen, F., O'Connor, P., Peterfy, C., Shnier, R., Stewart, N. & Østergaard, Mikkel, 2001, In: Journal of Rheumatology. 28, 5, p. 1158-1162

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

  33. Published

    Magnetic resonance imaging of soft tissue changes in rheumatoid arthritis wrist joints.

    Østergaard, Mikkel & Szkudlarek, M., 2001, In: Seminars in Musculoskeletal Radiology. 5, 3, p. 257-274 18 p.

    Research output: Contribution to journal › Review › Research

  34. Published

    Power Doppler ultrasonography for assessment of synovitis in the metacarpophalangeal joints of patients with rheumatoid arthritis: a comparison with dynamic magnetic resonance imaging.

    Szkudlarek, M., Court-Payen, M., Strandberg, C., Klarlund, M., Klausen, T. & Østergaard, Mikkel, 2001, In: Arthritis & Rheumatism. 44, 9, p. 2018-2023 6 p.

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

  35. Published

    Quantitative magnetic resonance imaging as marker of synovial membrane regeneration and recurrence of synovitis after arthroscopic knee joint synovectomy: a one year follow up study.

    Østergaard, Mikkel, Ejbjerg, B., Stoltenberg, M., Gideon, P., Volck, B., Skov, K., Jensen, C. H. & Lorenzen, I., 2001, In: Annals of the Rheumatic Diseases. 60, 3, p. 233-236 4 p.

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

  36. Published

    Studies on YKL-40 in knee joints of patients with rheumatoid arthritis and osteoarthritis. Involvement of YKL-40 in the joint pathology

    Volck, B., Johansen, J. S., Stoltenberg, M., Garbarsch, C., Price, P. A., Østergaard, Mikkel, Ostergaard, K., Løvgreen-Nielsen, P., Sonne-Holm, S. & Lorenzen, I., 2001, In: Osteoarthritis and Cartilage. 9, 3, p. 203-214 12 p.

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

  37. 2002
  38. Published

    B-mode ultrasonography and contrast-enhanced magnetic resonance imaging of rheumatoid arthritis synovitis.

    Szkudlarek, M., Klarlund, M., Narvestad, E., Court-Payen, M., Strandberg, C. & Østergaard, Mikkel, 2002. 0 p.

    Research output: Contribution to conference › Conference abstract for conference › Research

  39. Published

    Baseline MRI erosions in early rheumatoid arthritis MCP- and wrist joint bones markedly increase the risk of radiographic erosions at 1 year follow-up.

    Lindegaard, H., Hørslev-Petersen, K., Vallø, J., Junker, P. & Østergaard, Mikkel, 2002. 0 p.

    Research output: Contribution to conference › Poster › Research

  40. Published

    Grey-scale ultrasonography versus contrast-enhanced magnetic resonance imaging of rheumatoid arthritis synovitis in finger joints.

    Szkudlarek, M., Klarlund, M., Strandberg, C., Court-Payen, M. & Østergaard, Mikkel, 2002. 0 p.

    Research output: Contribution to conference › Poster › Research

  41. Published

    MRI in Rheumatoid Arthritis at OMERACT 2002: Suggested 'core set' of MRI acquisitions, definitions of important joint pathologies, and scoring system (OEMRACT 2002 RAMRIS).

    Østergaard, Mikkel, McQueen, F., Peterfy, C., Conaghan, P., Lassere, M., Bird, P., Ejbjerg, B., Shnier, R., O'Connor, P., Klarlund, M., Emery, P., Genant, H. & Edmonds, J., 2002. 0 p.

    Research output: Contribution to conference › Poster › Research

  42. Published

    New MRI bone erosions in radiographically non-eroded rheumatoid arthritis wrist joint bones give a 4-fold increased risk of radiographic erosions five years later.

    Østergaard, Mikkel, Hansen, M., Stoltenberg, M., Jensen, K. E., Szkudlarek, M., Klarlund, M. & Pedersen-Zbinden, M., 2002. 0 p.

    Research output: Contribution to conference › Poster › Research

  43. Published

    Optimized low-cost low-field dedicated extremity MRI can provide similar information on wrist and MCP joint synovitis and bone erosions as expensive conventional high-field MRI arthritis - a comparison with 'conventional' high-field MRI.

    Ejbjerg, B., Narvestad, E., Szkudlarek, M., Jacobsen, J. R., Thomsen, H. & Østergaard, Mikkel, 2002. 0 p.

    Research output: Contribution to conference › Poster › Research

  44. Published

    Ultrasonography of inflammatory and destructive changes in finger and toe joints in rheumatoid arthritis - a study of interobserver agreement.

    Szkudlarek, M., Court-Payen, M., Jacobsen, S., Thomsen, H. & Østergaard, Mikkel, 2002. 0 p.

    Research output: Contribution to conference › Poster › Research

  45. Published

    Ultrasonography shows more bone erosions in PIP joints of RA patients than MRI and conventional radiography. Versus contrast-enhanced magnetic resonance imaging of rheumatoid arthritis synovitis in finger joints.

    Szkudlarek, M., Klarlund, M., Narvestad, E., Court-Payen, M., Strandberg, C. & Østergaard, Mikkel, 2002. 0 p.

    Research output: Contribution to conference › Poster › Research

  46. 2003
  47. Published

    Contrast-enhanced power Doppler ultrasonography of the metacarpophalangeal joints in rheumatoid arthritis.

    Szkudlarek, M., Court-Payen, M., Strandberg, C., Klarlund, M., Klausen, T. & Østergaard, Mikkel, 2003, In: European Radiology. 13, 1, p. 163-168

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

  48. Published

    Imaging in rheumatoid arthritis--why MRI and ultrasonography can no longer be ignored.

    Østergaard, Mikkel & Szkudlarek, M., 2003, In: Scandinavian Journal of Rheumatology. 32, 2, p. 63-73

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

  49. Published

    Interobserver agreement in ultrasonography of the finger and toe joints in rheumatoid arthritis.

    Szkudlarek, M., Court-Payen, M., Jacobsen, S., Klarlund, M., Thomsen, H. S. & Østergaard, Mikkel, 2003, In: Arthritis & Rheumatism. 48, 4, p. 955-962

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

  50. Published

    New radiographic bone erosions in the wrists of patients with rheumatoid arthritis are detectable with magnetic resonance imaging a median of two years earlier.

    Østergaard, Mikkel, Hansen, M., Stoltenberg, M., Jensen, K. E., Szkudlarek, M., Pedersen-Zbinden, B. & Lorenzen, I., 2003, In: Arthritis & Rheumatism. 48, 8, p. 2128-2131

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

  51. Published

    OMERACT Rheumatoid Arthritis Magnetic Resonance Imaging Studies. Core set of MRI acquisitions, joint pathology definitions, and the OMERACT RA-MRI scoring system.

    Østergaard, Mikkel, Peterfy, C., Conaghan, P., McQueen, F., Bird, P., Ejbjerg, B., Shnier, R., O'Connor, P., Klarlund, M., Emery, P., Genant, H., Lassere, M. & Edmonds, J., 2003, In: Journal of Rheumatology. 30, 6, p. 1385-1386

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

  52. Published

    OMERACT Rheumatoid Arthritis Magnetic Resonance Imaging Studies. Exercise 3: an international multicenter reliability study using the RA-MRI Score.

    Lassere, M., McQueen, F., Østergaard, Mikkel, Conaghan, P., Shnier, R., Peterfy, C., Klarlund, M., Bird, P., O'Connor, P., Stewart, N., Emery, P., Genant, H. & Edmonds, J., 2003, In: Journal of Rheumatology. 30, 6, p. 1366-1375

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

  53. Published

    OMERACT Rheumatoid Arthritis Magnetic Resonance Imaging Studies. Exercise 4: an international multicenter longitudinal study using the RA-MRI Score.

    Conaghan, P., Lassere, M., Østergaard, Mikkel, Peterfy, C., McQueen, F., O'Connor, P., Bird, P., Ejbjerg, B., Klarlund, M., Shnier, R., Genant, H., Emery, P. & Edmonds, J., 2003, In: Journal of Rheumatology. 30, 6, p. 1376-1379

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

  54. Published

    OMERACT Rheumatoid Arthritis Magnetic Resonance Imaging Studies. Exercise 5: an international multicenter reliability study using computerized MRI erosion volume measurements.

    Bird, P., Ejbjerg, B., McQueen, F., Østergaard, Mikkel, Lassere, M. & Edmonds, J., 2003, In: Journal of Rheumatology. 30, 6, p. 1380-1384

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

  55. Published

    OMERACT Rheumatoid Arthritis Magnetic Resonance Imaging Studies. Summary of OMERACT 6 MR Imaging Module.

    McQueen, F., Lassere, M., Edmonds, J., Conaghan, P., Peterfy, C., Bird, P., O'Connor, P., Ejbjerg, B., Klarlund, M., Stewart, N., Emery, P., Shnier, R., Genant, H. & Østergaard, Mikkel, 2003, In: Journal of Rheumatology. 30, 6, p. 1387-1392

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

  56. 2004
  57. Published

    Aggressive non-biologic therapy eliminates radiographic progression in early rheumatoid arthritis – results from a randomised controlled trial of methotrexate, intraarticular steroid and cyclosporine/placebo (CIMESTRA).

    Hørslev-Petersen, K., Østergaard, Mikkel, Carvalho, A., Stengaard-Pedersen, K., Junker, P., Lottenburger, T., Hansen, I., Andersen, L. S., Tarp, U., Skjødt, H., Pedersen, J. K., Majgaard, O., Svendsen, A., Ellingsen, T., Pødenphant, J., Hansen, G., Lindegaard, H. & Hetland, M. L., 2004. 0 p.

    Research output: Contribution to conference › Poster › Research

  58. Published

    Changes in plasma IL-6, plasma VEGF and serum YKL-40 levels in patients with rheumatoid arthritis during treatment with anti-TNF-á therapy.

    Knudsen, L. S., Østergaard, Mikkel, Baslund, B., Petersen, J., Ejbjerg, B., Szkudlarek, M. & Johansen, J. S., 2004. 0 p.

    Research output: Contribution to conference › Poster › Research

  59. Published

    Changes in prescription practice of biological drugs in rheumatoid arthritis during the first three years of post-marketing use in Denmark and Norway: Criteria are becoming less stringent.

    Hjardem, E., Hetland, M. L., Østergaard, Mikkel & Kvien, T. K., 2004. 0 p.

    Research output: Contribution to conference › Poster › Research

  60. Published

    Contrast injection in magnetic resonance imaging does not improve the assessment of destructive joint changes in rheumatoid arthritis – this is not true for the inflammatory changes.

    Ejbjerg, B., Thomsen, H. S., Jacobsen, S. & Østergaard, Mikkel, 2004. 0 p.

    Research output: Contribution to conference › Poster › Research

  61. Published

    Development of a new tool for standardised assessment of rheumatoid joint inflammation and destruction: The EULAR-OMERACT magnetic resonance imaging in rheumatoid arthritis reference film atlas.

    Østergaard, Mikkel, Bird, P., McQueen, F., Ejbjerg, B., Edmonds, J., Lassere, M., Peterfy, C., O'Connor, P., Shnier, R., Genant, H., Emery, P. & Conaghan, P., 2004. 0 p.

    Research output: Contribution to conference › Poster › Research

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