Michael Bachmann Nielsen

Michael Bachmann Nielsen

Clinical Professor

Member of:

  • Radiology

ORCID: 0000-0002-9380-1688

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  1. Published

    Three-dimensional anal endosonography may improve diagnostic confidence of detecting damage to the anal sphincter complex

    Christensen, A. F., Nyhuus, B., Nielsen, Michael Bachmann & Christensen, Hanne Krarup, Apr 2005, In: British Journal of Radiology. 78, 928, p. 308-311 4 p.

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

  2. Published

    Causes and Risk Factors of Pediatric Spontaneous Intracranial Hemorrhage — A Systematic Review

    Ciochon, U. M., Bindslev, J. B. B., Høi-Hansen, Christina Engel, Truelsen, Thomas Clement, Larsen, V. A., Nielsen, Michael Bachmann & Hansen, Adam Espe, 2022, In: Diagnostics. 12, 6, 12 p., 1459.

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

  3. Published

    Preoperative embolization in surgical treatment of spinal metastases: single-blind, randomized controlled clinical trial of efficacy in decreasing intraoperative blood loss

    Clausen, C., Dahl, Benny, Frevert, S. C., Hansen, L. V., Nielsen, Michael Bachmann & Lönn, Lars, Mar 2015, In: Journal of Vascular and Interventional Radiology. 26, 3, p. 402-12.e1 12 p.

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

  4. Published

    Inter- and intra-rater agreement in the assessment of the vascularity of spinal metastases using digital subtraction angiography tumor blush

    Clausen, C., Dahl, Benny, Frevert, S. C., Forman, Julie Lyng, Nielsen, Michael Bachmann & Lönn, Lars, Jun 2017, In: Acta Radiologica. 58, 6, p. 734-739 6 p.

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

  5. Published

    Perioperative blood transfusion does not decrease survival after surgical treatment of spinal metastases

    Clausen, C., Lönn, Lars, Morgen, S. S., Nielsen, Michael Bachmann, Frevert, S. C., Johansson, P. I. & Dahl, Benny, Aug 2014, In: European Spine Journal. 23, 8, p. 1791-1796 6 p.

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

  6. Published

    Can strain elastography predict malignancy of soft tissue tumors in a tertiary sarcoma center?

    Cohen, J., Riishede, I., Carlsen, Jonathan Frederik, Lambine, T. L., Dam, M. S., Petersen, Michael Mørk, Nielsen, Michael Bachmann & tds797, tds797, 2020, In: Diagnostics. 10, 3, 148.

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

  7. Published

    Frequency and Effect of Access-Related Vascular Injury and Subsequent Vascular Intervention After Transcatheter Aortic Valve Replacement

    Dencker, D., Taudorf, M., Luk, N. H. V., Nielsen, Michael Bachmann, Kofoed, Klaus Fuglsang, Schroeder, T. V., Søndergaard, Lars, Lönn, Lars & De Backer, O., 15 Oct 2016, In: American Journal of Cardiology. 118, 8, p. 1244-1250 7 p.

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

  8. Published

    Portable Vector Flow Imaging Compared With Spectral Doppler Ultrasonography

    Di Ianni, T., Hansen, Kristoffer Lindskov, Villagomez Hoyos, C. A., Moshavegh, R., Nielsen, Michael Bachmann & Jensen, J. A., Mar 2019, In: IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control. 66, 3, p. 453-462 10 p.

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

  9. Published

    A Vector Flow Imaging Method for Portable Ultrasound Using Synthetic Aperture Sequential Beamforming

    Di Ianni, T., Villagomez Hoyos, C. A., tds797, tds797, Kjeldsen, T. K., Mosegaard, J., Nielsen, Michael Bachmann & Jensen, J. A., 2017, In: I E E E Transactions on Ultrasonics, Ferroelectrics and Frequency Control. 64, 11, p. 1655-1665

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

  10. Published

    High-frame-rate imaging of a carotid bifurcation using a low-complexity velocity estimation approach

    Di Ianni, T., Hoyos, C. A. V., tds797, tds797, Nielsen, Michael Bachmann & Jensen, J. A., 31 Oct 2017, 2017 IEEE International Ultrasonics Symposium, IUS 2017. IEEE Computer Society Press, 8092616. (IEEE International Ultrasonics Symposium, IUS).

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

  11. Published

    High-frame-rate imaging of a carotid bifurcation using a low-complexity velocity estimation approach

    Di Ianni, T., Hoyos, C. A. V., tds797, tds797, Nielsen, Michael Bachmann & Jensen, J. A., 31 Oct 2017, 2017 IEEE International Ultrasonics Symposium, IUS 2017. IEEE Computer Society Press, 8091830. (IEEE International Ultrasonics Symposium, IUS).

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

  12. Published

    Besteht ein Bedarf an neuen Darstellungsmethoden zur Lymphknoten Beurteilung?

    Dietrich, C. F., Ponnudurai, R. & Nielsen, Michael Bachmann, 2012, In: Ultraschall in der Medizin. 33, 5, p. 411-4 4 p.

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

  13. Published

    How to perform Contrast-Enhanced Ultrasound (CEUS)

    Dietrich, C. F., Averkiou, M., Nielsen, M. B., Barr, R. G., Burns, P. N., Calliada, F., Cantisani, V., Choi, B., Chammas, M. C., Clevert, D-A., Claudon, M., Correas, J-M., Cui, X-W., Cosgrove, D., D'Onofrio, M., Dong, Y., Eisenbrey, J., Fontanilla, T., Gilja, O. H., Ignee, A. & 23 others, Jenssen, C., Kono, Y., Kudo, M., Lassau, N., Lyshchik, A., Franca Meloni, M., Moriyasu, F., Nolsøe, Christian, Piscaglia, F., Radzina, M., Saftoiu, A., Sidhu, P. S., Sporea, I., Schreiber-Dietrich, D., Sirlin, C. B., Stanczak, M., Weskott, H., Wilson, S. R., Willmann, J. K., Kim, T. K., Jang, H., Vezeridis, A. & Westerway, S., 2018, In: Ultrasound International Open. 4, 1, p. E2-E15

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

  14. Published

    The ultrasound use of simulators, current view, and perspectives: Requirements and technical aspects (WFUMB state of the art paper)

    Dietrich, C. F., Lucius, C., Nielsen, Michael Bachmann, Burmester, E., Westerway, S. C., Chu, C. Y., Condous, G., Cui, X. W., Dong, Y., Harrison, G., Koch, J., Kraus, B., Nolsøe, Christian, Nayahangan, L. J., Pedersen, M. R. V., Saftoiu, A., Savitsky, E. & Blaivas, M., 2023, In: Endoscopic Ultrasound. 12, 1, p. 38-49 12 p.

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

  15. Published

    Ultrasonic colour Doppler imaging

    Evans, D. H., Jensen, J. A. & Nielsen, Michael Bachmann, 2011, In: Interface Focus. 1, 4, p. 490-502 13 p.

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

  16. Published

    Freehand biopsy guided by electromagnetic needle tracking: a phantom study

    tds797, tds797, Nielsen, M. K. R. & Nielsen, Michael Bachmann, 2011, In: Ultraschall in der Medizin. 32, 6, p. 614-8 5 p.

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

  17. Published

    Comparison of two co-registration methods for real-time ultrasonography fused with MRI: a phantom study

    tds797, tds797, Ellegaard, K., Boesen, M., Torp-Pedersen, S. & Nielsen, Michael Bachmann, 1 Jun 2010, In: Ultraschall in der Medizin. 31, 3, p. 296-301 6 p.

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

  18. Published

    Biopsy guided by real-time sonography fused with MRI: a phantom study

    tds797, tds797, Grossjohann, Hanne Sønder, Nielsen, Marie Kristina Rue, Torp-Pedersen, S. & Nielsen, Michael Bachmann, 2008, In: American Journal of Roentgenology. 190, 6, p. 1671-1674 3 p.

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

  19. Published

    Image fusion involving ultrasound.

    tds797, tds797, Grossjohann, Hanne Sønder & Nielsen, Michael Bachmann, Apr 2006, In: Ultraschall in der Medizin (Stuttgart, Germany : 1980). 27, 2, p. 128-129 2 p.

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

  20. Published

    Improving Accuracy for Image Fusion in Abdominal Ultrasonography

    tds797, tds797, Hansen, K. L., Henriksen, B. M. & Nielsen, Michael Bachmann, 2012, In: Diagnostics. p. 34-41

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

  21. Published

    Evaluation of healthy muscle tissue by strain and shear wave elastography - Dependency on depth and ROI position in relation to underlying bone

    Ewertsen, C., Carlsen, J. F., Riishede Christiansen, I., Jensen, J. A. & Nielsen, Michael Bachmann, Sep 2016, In: Ultrasonics. 71, p. 127-133 7 p.

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

  22. Published

    Billeddiagnostiske aspekter ved damage control-kirurgi

    tds797, tds797, Hansen, K. L. & Nielsen, Michael Bachmann, 2011, In: Ugeskrift for Laeger. 173, 18, p. 1267-70 4 p.

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

  23. Published

    Coded ultrasound for blood flow estimation using subband processing

    Gran, F., Udesen, J., Jensen, J. A. & Nielsen, Michael Bachmann, 2008, In: IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control. 55, 10, p. 2211-2220 9 p.

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

  24. Published

    Preliminary in-vivo results for spatially coded synthetic transmit aperture ultrasound based on frequency division

    Gran, F., Hansen, Kristoffer Lindskov, Nielsen, Michael Bachmann & Jensen, J. A., 2006, 2006 IEEE International Ultrasonics Symposium, IUS. Institute of Electrical and Electronics Engineers Inc., p. 1087-1090 4 p. 4152135. (Proceedings - IEEE Ultrasonics Symposium, Vol. 1).

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

  25. Published

    Coded ultrasound for blood flow estimation using subband processing

    Gran, F., Udesen, J., Nielsen, Michael Bachmann & Jensen, J. A., 2007, Medical Imaging 2007: Ultrasonic Imaging and Signal Processing. 651309. (Progress in Biomedical Optics and Imaging - Proceedings of SPIE, Vol. 6513).

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

  26. Published

    Durch einsatz von ultraschallkontrastmitteln: Biopsien nekrotischer bezirke vermeiden

    Grossjohann, Hanne Sønder & Nielsen, Michael Bachmann, Feb 2006, In: Ultraschall in der Medizin. 27, 1, p. 2-3 2 p.

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

  27. Published

    Usefulness of contrast-enhanced transabdominal ultrasound for tumor classification and tumor staging in the pancreatic head

    Grossjohann, H. S., Rappeport, E. D., Jensen, C. V., Svendsen, Lars Bo, Hillingsø, Jens Georg, Hansen, C. P. & Nielsen, Michael Bachmann, 1 Aug 2010, In: Scandinavian Journal of Gastroenterology. 45, 7-8, p. 917-24 8 p.

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

  28. Published

    Intra-/Interobserver Agreement of Enhancement Pattern for Pancreatic Head Lesions Using Contrast-Enhanced Ultrasound: According to EFSUMB Guidelines

    Grossjohann, H. S., tds797, tds797, Svendsen, Lars Bo & Nielsen, Michael Bachmann, 2012, In: Diagnostics. 2, 2, p. 2-9

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

  29. Published

    Four-dimensional flow MRI of abdominal veins: A systematic review

    Haarbye, S. O., Nielsen, Michael Bachmann, Hansen, Adam Espe & Lauridsen, C. A., 2021, In: Diagnostics. 11, 5, 14 p., 767.

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

  30. Published

    In-vivo examples of flow patterns with the fast vector velocity ultrasound method

    Hansen, K. L., Udesen, J., Gran, F., Jensen, J. A. & Nielsen, Michael Bachmann, 2009, In: Ultraschall in der Medizin. 30, 5, p. 471-7 6 p.

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

  31. Published

    Aortic Valve Stenosis Increases Helical Flow and Flow Complexity: A Study of Intra-Operative Cardiac Vector Flow Imaging

    Hansen, Kristoffer Lindskov, Møller-Sørensen, H., Kjaergaard, J., Jensen, M. B., Jensen, J. A. & Nielsen, Michael Bachmann, 2017, In: Ultrasound in Medicine & Biology. 43, 8, p. 1607-1617

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

  32. Published

    Dopplerultralydskanning af abdomen

    Hansen, K. L., Pedersen, M. M., Jensen, J. A. & Nielsen, Michael Bachmann, 2011, In: Ugeskrift for Laeger. 173, 47, p. 3016-9 4 p.

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

  33. Published

    Vector Flow Imaging Compared with Digital Subtraction Angiography for Stenosis Assessment in the Superficial Femoral Artery - A Study of Vector Concentration, Velocity Ratio and Stenosis Degree Percentage

    Hansen, Kristoffer Lindskov, Hansen, P. M., tds797, tds797, Lönn, Lars, Jensen, J. A. & Nielsen, Michael Bachmann, 2019, In: Ultrasound International Open. 5, 2, p. E53-E59 7 p.

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

  34. Published

    Intra-Operative Vector Flow Imaging Using Ultrasound of the Ascending Aorta among 40 Patients with Normal, Stenotic and Replaced Aortic Valves

    Hansen, K. L., Møller-Sørensen, H., Kjaergaard, J., Jensen, M. B., Lund, J. T., Pedersen, M. M., Lange, Theis, Jensen, J. A. & Nielsen, Michael Bachmann, Oct 2016, In: Ultrasound in Medicine & Biology. 42, 10, p. 2414-2422 9 p.

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

  35. Published

    Vector Flow Imaging Compared with Conventional Doppler Ultrasound and Thermodilution for Estimation of Blood Flow in the Ascending Aorta

    Hansen, Kristoffer Lindskov, Møller-Sørensen, H., Kjaergaard, J., Jensen, M. B., Lund, J. T., Pedersen, M. M., Olesen, J. B., Jensen, J. A. & Nielsen, Michael Bachmann, 1 Jan 2017, In: Ultrasonic Imaging. 39, 1, p. 3-18 16 p.

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

  36. Published

    Pediatric Transthoracic Cardiac Vector Flow Imaging

    Hansen, Kristoffer Lindskov, Juul, K., Møller-Sørensen, H., Nilsson, J. C., Jensen, J. A. & Nielsen, Michael Bachmann, 2019, In: Ultrasound International Open. 5, 1, p. E20-E26

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

  37. Published

    Intraoperative vector flow imaging of the heart

    Hansen, Kristoffer Lindskov, Moller-Sorensen, H., Pedersen, M. M., Kjærgaard, Jesper, Nilsson, J. C., Lund, Jens, Nielsen, Michael Bachmann & Jensen, J. A., 2013, 2013 IEEE International Ultrasonics Symposium, IUS 2013. p. 1745-1748 4 p. 6725113. (IEEE International Ultrasonics Symposium, IUS).

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

  38. Published

    In-vivo validation of fast spectral velocity estimation techniques

    Hansen, K. L., Gran, F., Pedersen, M. M., Holfort, I. K., Jensen, J. A. & Nielsen, Michael Bachmann, 1 Jan 2010, In: Ultrasonics. 50, 1, p. 52-9 8 p.

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

  39. Published

    Flow Changes After Biological and Mechanical Aortic Valve Implantation Measured with VFI

    Hansen, Kristoffer Lindskov, Moller-sorensen, H., Kjaergaard, J., Nguyen, T., Jensen, J. A. & Nielsen, Michael Bachmann, 2018, 2018 IEEE International Ultrasonics Symposium (IUS). IEEE, p. 1 4 p. 18326622. (IEEE International Ultrasonics Symposium Proceedings).

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

  40. Published

    Vector Flow Imaging of the Ascending Aorta in Patients with Tricuspid and Bicuspid Aortic Valve Stenosis Treated with Biological and Mechanical Implants

    Hansen, Kristoffer Lindskov, Møller-Sørensen, H., Kjaergaard, J., Jensen, J. A. & Nielsen, Michael Bachmann, Jan 2020, In: Ultrasound in Medicine and Biology. 46, 1, p. 64-72

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

  41. Published

    First report on intraoperative vector flow imaging of the heart among patients with healthy and diseased aortic valves

    Hansen, Kristoffer Lindskov, Møller-Sørensen, H., Pedersen, M. M., Hansen, P. M., Kjærgaard, Jesper, Lund, Jens, Nilsson, J. C., Jensen, J. A. & Nielsen, Michael Bachmann, 1 Feb 2015, In: Ultrasonics. 56, p. 243-250 8 p.

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

  42. Vector velocity estimation of blood flow: A new application in medical ultrasound

    Hansen, Kristoffer Lindskov, Nielsen, Michael Bachmann & Jensen, J. A., Nov 2017, In: Ultrasound. 25, 4, p. 189-199 11 p.

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

  43. Published

    Analysis of Systolic Backflow and Secondary Helical Blood Flow in the Ascending Aorta Using Vector Flow Imaging

    Hansen, Kristoffer Lindskov, Møller-Sørensen, H., Kjaergaard, J., Jensen, M. B., Teglgaard Lund, J., Pedersen, M. M., Lange, Theis, Arendt Jensen, J. & Nielsen, Michael Bachmann, Apr 2016, In: Ultrasound in Medicine & Biology. 42, 4, p. 899-908 10 p.

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

  44. Published

    Computed Tomography (CT) Perfusion in Abdominal Cancer: Technical Aspects

    Hansen, M. L., Norling, R., Lauridsen, C., Fallentin, E. M., Jensen, L. B., Kofoed, Klaus Fuglsang, Svendsen, Lars Bo & Nielsen, Michael Bachmann, 2013, In: Diagnostics. 3, p. 261-270 10 p.

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

  45. Published

    Clinical Evaluation of Synthetic Aperture Sequential Beamforming Ultrasound in Patients with Liver Tumors

    Hansen, P. M., Hemmsen, M., Brandt, A., Rasmussen, J., Lange, Theis, Krohn, P. S., Lönn, Lars, Jensen, J. A. & Nielsen, Michael Bachmann, Dec 2014, In: Ultrasound in Medicine & Biology. 40, 12, p. 2805–2810 6 p.

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

  46. Published

    Volume flow in arteriovenous fistulas using vector velocity ultrasound

    Hansen, P. M., Olesen, J. B., Pihl, M. J., Lange, Theis, Heerwagen, S., Pedersen, M. M., Rix, M., Lönn, Lars, Jensen, J. A. & Nielsen, Michael Bachmann, Nov 2014, In: Ultrasound in Medicine & Biology. 40, 11, p. 2707-2714 8 p.

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

  47. Published

    Atherosclerotic Lesions in the Superficial Femoral Artery (SFA) Characterized with Velocity Ratios using Vector Velocity Ultrasound

    Hansen, P. M., Hansen, Kristoffer Lindskov, Pedersen, M. M., Lange, Theis, Lönn, Lars, Jensen, J. A. & Nielsen, Michael Bachmann, 2018, In: Ultrasound International Open. 4, 3, p. E79-E84

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

  48. Published

    Sonographic measurement of the thymus in infants

    Hasselbalch, Hans Carl, Nielsen, Michael Bachmann, Jeppesen, Dorthe Lisbeth, Pedersen, J. F. & Karkov, J., 1996, In: European Radiology. 6, 5, p. 700-703 4 p.

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

  49. Published

    Sonographic measurement of thymic size in healthy neonates: Relation to clinical variables

    Hasselbalch, H., Jeppesen, Dorthe Lisbeth, Ersbøll, A. K., Lisse, I. M. & Nielsen, Michael Bachmann, Jan 1997, In: Acta Radiologica. 38, 1, p. 95-98 4 p.

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

  50. Published

    The thymic size in children: A preliminary sonographic study

    Hasselbalch, H., Nielsen, Michael Bachmann & Fog Pedersen, J., Oct 1997, In: European Journal of Ultrasound. 6, 2, p. 117-119 3 p.

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

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ID: 916435