Helle Klingenberg Iversen

Helle Klingenberg Iversen

Clinical Associate Professor

Member of:

  • Neurology


  1. 2008
  2. Published

    Thrombolysis with alteplase 3 to 4.5 hours after acute ischemic stroke

    Hacke, W., Kaste, M., Bluhmki, E., Brozman, M., Dávalos, A., Guidetti, D., Larrue, V., Lees, K. R., Medeghri, Z., Machnig, T., Schneider, D., von Kummer, R., Wahlgren, N., Toni, D., ECASS Investigators, E. I. & Iversen, Helle Klingenberg, 25 Sep 2008, In: New England Journal of Medicine. 359, 13, p. 1317-29 13 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    Aspirin and extended-release dipyridamole versus clopidogrel for recurrent stroke

    Sacco, R. L., Diener, H-C., Yusuf, S., Cotton, D., Ounpuu, S., Lawton, W. A., Palesch, Y., Martin, R. H., Albers, G. W., Bath, P., Bornstein, N., Chan, B. P. L., Chen, S-T., Cunha, L., Dahlöf, B., De Keyser, J., Donnan, G. A., Estol, C., Gorelick, P., Gu, V. & 16 others, Hermansson, K., Hilbrich, L., Kaste, M., Lu, C., Machnig, T., Pais, P., Roberts, R., Skvortsova, V., Teal, P., Toni, D., Vandermaelen, C., Voigt, T., Weber, M., Yoon, B., PRoFESS Study Group, P. S. G. & Iversen, Helle Klingenberg, 18 Sep 2008, In: New England Journal of Medicine. 359, 12, p. 1238-51 14 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published

    Telmisartan to prevent recurrent stroke and cardiovascular events

    Yusuf, S., Diener, H-C., Sacco, R. L., Cotton, D., Ounpuu, S., Lawton, W. A., Palesch, Y., Martin, R. H., Albers, G. W., Bath, P., Bornstein, N., Chan, B. P. L., Chen, S-T., Cunha, L., Dahlöf, B., De Keyser, J., Donnan, G. A., Estol, C., Gorelick, P., Gu, V. & 16 others, Hermansson, K., Hilbrich, L., Kaste, M., Lu, C., Machnig, T., Pais, P., Roberts, R., Skvortsova, V., Teal, P., Toni, D., VanderMaelen, C., Voigt, T., Weber, M., Yoon, B., PRoFESS Study Group, P. S. G. & Iversen, Helle Klingenberg, 18 Sep 2008, In: New England Journal of Medicine. 359, 12, p. 1225-37 13 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    Nitric oxide-induced headache may arise from extracerebral arteries as judged from tolerance to isosorbide-5-mononitrate

    Christiansen, I., Iversen, Helle Klingenberg, Olesen, Jes & Tfelt-Hansen, P., Aug 2008, In: Journal of Headache and Pain. 9, 4, p. 215-20 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

    Intracranial hemodynamics during intravenous infusion of glyceryl trinitrate

    Iversen, Helle Klingenberg, Holm, S., Friberg, L. & Tfelt-Hansen, P., Jun 2008, In: Journal of Headache and Pain. 9, 3, p. 177-80 4 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

    Involvement of calcitonin gene-related peptide in migraine: regional cerebral blood flow and blood flow velocity in migraine patients

    Lassen, L. H., Jacobsen, V. B., Haderslev, P. A., Sperling, B., Iversen, Helle Klingenberg, Olesen, Jes & Tfelt-Hansen, P., Jun 2008, In: Journal of Headache and Pain. 9, 3, p. 151-7 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    Efficacy and safety of recombinant activated factor VII for acute intracerebral hemorrhage

    Mayer, S. A., Brun, N. C., Begtrup, K., Broderick, J., Davis, S., Diringer, M. N., Skolnick, B. E., Steiner, T., FAST Trial Investigators, F. T. I. & Iversen, Helle Klingenberg, 15 May 2008, In: New England Journal of Medicine. 358, 20, p. 2127-37 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    Prevalence of lower urinary tract symptoms (LUTS) in stroke patients: a cross-sectional, clinical survey

    Tibaek, S., Gard, G., Klarskov, P., Iversen, Helle Klingenberg, Dehlendorff, C. & Jensen, Rigmor Højland, 1 Jan 2008, In: Neurourology and Urodynamics. 27, 8, p. 763-71 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Prevalence of lower urinary tract symptoms (LUTS) in stroke patients: a cross-sectional, clinical survey

    Tibaek, S., Gard, G., Klarskov, P., Iversen, Helle Klingenberg, Dehlendorff, Christian & Jensen, Rigmor Højland, 2008, In: Neurourology and Urodynamics. 27, 8, p. 763-71 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. 2007
  12. Published

    Phase II trial to evaluate the ActiGait implanted drop-foot stimulator in established hemiplegia

    Burridge, J. H., Haugland, M., Larsen, B., Pickering, R. M., Svaneborg, N., Iversen, Helle Klingenberg, Christensen, P. B., Haase, J., Brennum, J. & Sinkjaer, T., Apr 2007, In: Journal of Rehabilitation Medicine. Supplement. 39, 3, p. 212-8 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  13. 2006
  14. Published

    Dipyridamole may induce migraine in patients with migraine without aura

    Kruuse, Christina Rostrup, Lassen, L. H., Iversen, Helle Klingenberg, Oestergaard, S. & Olesen, Jes, Aug 2006, In: Cephalalgia : an international journal of headache. 26, 8, p. 925-33 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  15. Published

    Triptaner i migraenebehandlingen. En oversigt baseret pa tre Cochrane-reviews

    Tfelt-Hansen, P. & Iversen, Helle Klingenberg, 8 May 2006, In: Ugeskrift for Laeger. 168, 19, p. 1850-3 4 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  16. Published

    The Danish Prostatic Symptom Score (DAN-PSS-1) questionnaire is reliable in stroke patients

    Tibaek, S., Jensen, Rigmor Højland, Klarskov, P., Iversen, Helle Klingenberg & Gard, G., 2006, In: Neurourology and Urodynamics. 25, 4, p. 319-23 5 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  17. 2005
  18. Published

    No increase of calcitonin gene-related peptide in jugular blood during migraine

    Tvedskov, J., Lipka, K., dlt446, dlt446, Iversen, Helle Klingenberg, Schifter, S. & Olesen, Jes, 1 Oct 2005, In: Annals of Neurology. 58, 4, p. 561-8 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  19. 2004
  20. Published

    The effect of propranolol on glyceryltrinitrate-induced headache and arterial response

    Tvedskov, J., Thomsen, L. L., Thomsen, L. L., Iversen, Helle Klingenberg, Williams, P., Gibson, A., Jenkins, K., Peck, R. & Olesen, Jes, 1 Dec 2004, In: Cephalalgia. 24, 12, p. 1076-87 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  21. Published

    A double-blind study of SB-220453 (Tonerbasat) in the glyceryltrinitrate (GTN) model of migraine

    Tvedskov, J. F., Iversen, Helle Klingenberg & Olesen, Jes, 1 Oct 2004, In: Cephalalgia. 24, 10, p. 875-82 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  22. Published

    The prophylactic effect of valproate on glyceryltrinitrate induced migraine

    Tvedskov, J. F., Thomsen, L. L., Iversen, Helle Klingenberg, Gibson, A., Wiliams, P. & Olesen, Jes, 1 Jul 2004, In: Cephalalgia. 24, 7, p. 576-85 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  23. 2003
  24. Published

    The effect of nitric oxide synthase inhibition on histamine induced headache and arterial dilatation in migraineurs

    Lassen, L. H., Christiansen, I., Iversen, Helle Klingenberg, Jansen-Olesen, I. & Olesen, Jes, Nov 2003, In: Cephalalgia : an international journal of headache. 23, 9, p. 877-86 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  25. 2002
  26. Published

    CGRP may play a causative role in migraine

    Lassen, L. H., Haderslev, P. A., Jacobsen, V. B., Iversen, Helle Klingenberg, Sperling, B. & Olesen, Jes, Feb 2002, In: Cephalalgia : an international journal of headache. 22, 1, p. 54-61 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  27. 2001
  28. Published

    Human migraine models

    Iversen, Helle Klingenberg, Sep 2001, In: Cephalalgia : an international journal of headache. 21, 7, p. 781-5 5 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  29. 2000
  30. Published

    Headache characteristics during the development of tolerance to nitrates: pathophysiological implications

    Christiansen, I., Iversen, Helle Klingenberg & Olesen, Jes, Jun 2000, In: Cephalalgia : an international journal of headache. 20, 5, p. 437-44 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  31. Published

    Induction of nitrate tolerance is not a useful treatment in cluster headache

    Christiansen, I., Iversen, Helle Klingenberg & Olesen, Jes, Jun 2000, In: Cephalalgia : an international journal of headache. 20, 5, p. 445-54 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  32. 1997
  33. Published

    Effekten af nitrogenoxiddonoren glyceryltrinitrat på humane smertetaerskler for tryk

    Thomsen, L. L., Brennum, J., Iversen, Helle Klingenberg & Olesen, Jes, 21 Jul 1997, In: Ugeskrift for Laeger. 159, 30, p. 4645-8 4 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  34. 1996
  35. Published

    Headache induced by a nitric oxide donor (nitroglycerin) responds to sumatriptan. A human model for development of migraine drugs

    Iversen, Helle Klingenberg & Olesen, Jes, Oct 1996, In: Cephalalgia : an international journal of headache. 16, 6, p. 412-8 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  36. Published

    Effect of a nitric oxide donor (glyceryl trinitrate) on nociceptive thresholds in man

    Thomsen, L. L., Brennum, J., Iversen, Helle Klingenberg & Olesen, Jes, May 1996, In: Cephalalgia : an international journal of headache. 16, 3, p. 169-74 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  37. Published

    Histamine-1 receptor blockade does not prevent nitroglycerin induced migraine. Support for the NO-hypothesis of migraine

    Lassen, L. H., Thomsen, L. L., Kruuse, Christina Rostrup, Iversen, Helle Klingenberg & Olesen, Jes, 1996, In: European Journal of Clinical Pharmacology. 49, 5, p. 335-9 5 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  38. 1995
  39. Published

    Transcranial Doppler and cardiovascular responses during cardiovascular autonomic tests in migraineurs during and outside attacks

    Thomsen, L. L., Iversen, Helle Klingenberg, Boesen, F. & Olesen, Jes, Oct 1995, In: Brain. 118 ( Pt 5), p. 1319-27 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  40. Published

    Increased cerebrovascular pCO2 reactivity in migraine with aura--a transcranial Doppler study during hyperventilation

    Thomsen, L. L., Iversen, Helle Klingenberg & Olesen, Jes, Jun 1995, In: Cephalalgia : an international journal of headache. 15, 3, p. 211-5 5 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  41. Published

    Cerebral blood flow velocities are reduced during attacks of unilateral migraine without aura

    Thomsen, L. L., Iversen, Helle Klingenberg & Olesen, Jes, Apr 1995, In: Cephalalgia : an international journal of headache. 15, 2, p. 109-16 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  42. Published

    Reduced arterial diameter during static exercise in humans

    Olesen, H. L., Mitchell, J. H., Friedman, D. B., Iversen, Helle Klingenberg & Secher, Niels H., Apr 1995, In: Acta Physiologica Scandinavica. 153, 4, p. 335-41 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  43. Published

    Arterial diameter during central volume depletion in humans

    Iversen, Helle Klingenberg, Madsen, P., Matzen, S. & Secher, Niels H., 1995, In: European Journal of Applied Physiology and Occupational Physiology. 72, 1-2, p. 165-9 5 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  44. Published

    Experimental headache in humans

    Iversen, Helle Klingenberg, 1995, In: Cephalalgia : an international journal of headache. 15, 4, p. 281-7 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  45. Published

    Venous plasma levels of endothelin-1 are not altered immediately after nitroglycerin infusion in healthy subjects

    Thomsen, L. L., Iversen, Helle Klingenberg, Emmeluth, C. & Bie, P., 1995, In: European Journal of Clinical Pharmacology. 48, 2, p. 139-42 4 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  46. 1994
  47. Published

    Nitroglycerin-induced headache is not dependent on histamine release: support for a direct nociceptive action of nitric oxide

    Iversen, Helle Klingenberg & Olesen, Jes, Dec 1994, In: Cephalalgia : an international journal of headache. 14, 6, p. 437-42 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  48. Published

    A nitric oxide donor (nitroglycerin) triggers genuine migraine attacks

    Thomsen, L. L., Kruuse, Christina Rostrup, Iversen, Helle Klingenberg & Olesen, Jes, Sep 1994, In: European journal of neurology : the official journal of the European Federation of Neurological Societies. 1, 1, p. 73-80 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  49. Published

    Interictal "patchy" regional cerebral blood flow patterns in migraine patients. A single photon emission computerized tomographic study

    Friberg, L., Olesen, Jes, Iversen, Helle Klingenberg, Nicolic, I., Sperling, B., Lassen, N. A., Olsen, T. S. & Tfelt-Hansen, P., Sep 1994, In: European journal of neurology : the official journal of the European Federation of Neurological Societies. 1, 1, p. 35-43 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  50. Published

    CO2 measurements during transcranial Doppler examinations in headache patients: methodological considerations

    Thomsen, L. L. & Iversen, Helle Klingenberg, Jun 1994, In: Cephalalgia : an international journal of headache. 14, 3, p. 245-7 3 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  51. Published

    Nitric oxide is a key molecule in migraine and other vascular headaches

    Olesen, Jes, Thomsen, L. L. & Iversen, Helle Klingenberg, May 1994, In: Trends in Pharmacological Sciences. 15, 5, p. 149-53 5 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  52. Published

    Improved description of the migraine aura by a diagnostic aura diary

    Russell, M. B., Iversen, Helle Klingenberg & Olesen, Jes, Apr 1994, In: Cephalalgia : an international journal of headache. 14, 2, p. 107-17 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  53. Published

    Altered peripheral vasodilator profile of nitroglycerin during long-term infusion of N-acetylcysteine

    Boesgaard, S., Iversen, Helle Klingenberg, Wroblewski, H., Poulsen, Henrik Enghusen, Frandsen, H., Kastrup, J. & Aldershvile, J., Jan 1994, In: American College of Cardiology. Symposia. 23, 1, p. 163-9 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  54. 1993
  55. Published

    Arterial supersensitivity to nitric oxide (nitroglycerin) in migraine sufferers

    Thomsen, L. L., Iversen, Helle Klingenberg, Brinck, T. A. & Olesen, Jes, Dec 1993, In: Cephalalgia : an international journal of headache. 13, 6, p. 395-9; discussion 376

    Research output: Contribution to journalJournal articleResearchpeer-review

  56. Published

    Experimental and biological variation of three-dimensional transcranial Doppler measurements

    Thomsen, L. L. & Iversen, Helle Klingenberg, Dec 1993, In: Journal of Applied Physiology. 75, 6, p. 2805-10 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  57. Published

    Effect of serotonin receptor blockade on endocrine and cardiovascular responses to head-up tilt in humans

    Matzen, S., Secher, Niels H., Knigge, Ulrich, Pawelczyk, J., Perko, G., Iversen, H., Bach, F. W., Warberg, J. & Iversen, Helle Klingenberg, Oct 1993, In: Acta Physiologica Scandinavica. 149, 2, p. 163-76 14 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  58. Published

    Nitric oxide supersensitivity: a possible molecular mechanism of migraine pain

    Olesen, Jes, Iversen, Helle Klingenberg & Thomsen, L. L., Aug 1993, In: NeuroReport. 4, 8, p. 1027-30 4 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  59. Published

    Central venous oxygen saturation during hypovolaemic shock in humans

    Madsen, P., Iversen, H., Secher, Niels H. & Iversen, Helle Klingenberg, Feb 1993, In: Scandinavian Journal of Clinical and Laboratory Investigation. Supplement. 53, 1, p. 67-72 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  60. Published

    Lack of tolerance of headache and radial artery diameter during a 7 hour intravenous infusion of nitroglycerin

    Iversen, Helle Klingenberg, Nielsen, T. H., Tfelt-Hansen, P. & Olesen, Jes, 1993, In: European Journal of Clinical Pharmacology. 44, 1, p. 47-50 4 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  61. Published

    Small arteries can be accurately studied in vivo, using high frequency ultrasound

    Nielsen, T. H., Iversen, Helle Klingenberg, Tfelt-Hansen, P. & Olesen, Jes, 1993, In: Ultrasound in Medicine & Biology. 19, 9, p. 717-25 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  62. 1992
  63. Published

    Presentation of a new instrument: the diagnostic headache diary

    Russell, M. B., Rasmussen, B. K., Brennum, J., Iversen, Helle Klingenberg, Jensen, Rigmor Højland & Olesen, Jes, Dec 1992, In: Cephalalgia : an international journal of headache. 12, 6, p. 369-74 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  64. Published

    N-acetylcysteine enhances nitroglycerin-induced headache and cranial arterial responses

    Iversen, Helle Klingenberg, Aug 1992, In: Clinical Pharmacology and Therapeutics. 52, 2, p. 125-33 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  65. A study to compare oral sumatriptan with oral aspirin plus oral metoclopramide in the acute treatment of migraine

    Bousser, M. G., Ensink, F. B. M., Hildebrandt, J., Flanagan, M. O., Iversen, H., Isler, H., Legg, N. J., MacGregor, E. A., Wilkinson, M., Findley, L. J., Summers, B., Rainer, J., Tfelt-Hansen, P., Donoghue, S., Patel, P., Pilgrim, A. J., Tansey, M. J. B., Thomson, C., Barolin, G., Ladurner, G. & 23 others, Wessely, P., Alslev, T., Andersson, P. G., Bisgard, C., Lademann, A., Moller, C. E., Pederson, K. K., Sorensen, S., Baar, H. A., Boehme, K., Drillisch, C., Grotemeyer, K. H., Heimann, D., Hoffman, H., Kempf, H., Meyer, J., Boquet, J., Dehen, H., Feve, J. R., Mussini, J. M., Thomson, A. N., Meyer, C. & The Oral Sumatriptan and Aspirin plus Metoclopramide Comparative Study Group, T. O. S. A. A. P. M. C. S. G., 1992, In: European Neurology. 32, 3, p. 177-184 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

ID: 47983134