Helle Klingenberg Iversen

Helle Klingenberg Iversen

Clinical Associate Professor

Member of:

  • Neurology


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  1. Published

    Preclinical validation of electrochemotherapy as an effective treatment for brain tumors

    Agerholm-Larsen, B., Iversen, Helle Klingenberg, Ibsen, Per Holger, Moller, J. M., Mahmood, F., Jensen, K. S., Gehl, Julie & Møller, J. M., 1 Jun 2011, In: Cancer Research. 71, 11, p. 3753-62 10 p.

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

  2. Published

    Delivery of acute ischaemic stroke treatments in the European region in 2019 and 2020

    Aguiar de Sousa, D., Wilkie, A., Norrving, B., Macey, C., Bassetti, C., Tiu, C., Roth, G., Lunde, G., Christensen, H., Fiehler, J., Pezzella, F. R., Dichgans, M., Roaldsen, M. B., Kelly, P., Mikulik, R., Sacco, S., Caso, V., Fischer, U., Basha, E., Yeghiazaryan, N. & 31 others, Kiechl, S., Shiraliyeva, R., Vanacker, P., Bender, M., Emilov Tsalta-Mladenov, M., Budincevic, H., Tomek, A., Kaponides, G., Iversen, Helle Klingenberg, Faiss, J., Kõrv, J., Sairanen, T., Igor, S., Tsiskaridze, A., Ntaios, G., Tsivgoulis, G., Szapary, L., Logi Thorarinsson, B., Harbison, J., Bornstein, N. M., Toni, D., Fisnik, J., Karbozova, K., Miglane, E., Dalius, J., Droste, D., Mallia, M., Jevto, E., Arsovska, A., Fromm, A. & on behalf of the Steering Committee for the Implementation of the Stroke Action Plan in Europe, O. B. O. T. S. C. F. T. I. O. T. S. A. P. I. E., 2023, In: European Stroke Journal. 8, 3, p. 618-628 11 p.

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

  3. Published

    High cardiovascular event rates in patients with asymptomatic carotid stenosis: the REACH Registry

    Aichner, F. T., Topakian, R., Alberts, M. J., Bhatt, D. L., Haring, H., Hill, M. D., Montalescot, G., Goto, S., Touzé, E., Mas, J., Steg, P. G., Röther, J., Iversen, Helle Klingenberg & REACH Registry Investigators, R. R. I., 1 Aug 2009, In: European Journal of Neurology. 16, 8, p. 902-8 7 p.

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

  4. Published

    Baseline blood pressure, low- and high-density lipoproteins, and triglycerides and the risk of vascular events in the Stroke Prevention by Aggressive Reduction in Cholesterol Levels (SPARCL) trial

    Amarenco, P., Goldstein, L. B., Callahan, A., Sillesen, Henrik, Hennerici, M. G., O'Neill, B. J., Rudolph, A. E., Simunovic, L., Zivin, J. A., Welch, K. M. A., Iversen, Helle Klingenberg & SPARCL Investigators, S. I., 1 Jun 2009, In: Atherosclerosis. 204, 2, p. 515-520 5 p.

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

  5. Published

    Assessing low-frequency oscillations in cerebrovascular diseases and related conditions with near-infrared spectroscopy: A plausible method for evaluating cerebral autoregulation?

    Andersen, A. V., Simonsen, S. A., Schytz, Henrik Winther & Iversen, Helle Klingenberg, 2018, In: Neurophotonics. 5, 3, 14 p., 030901.

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

  6. Published

    Atrial fibrillation after closure of patent foramen ovale in the REDUCE clinical study

    Andersen, A., Matzen, K. L., Andersen, G., Settergren, M., Sjostrand, C., Iversen, Helle Klingenberg, Roine, R. O., Hildick-Smith, D., Spence, J. D., Rhodes, J. F., Kasner, S. E., Søndergaard, Lars & Nielsen-Kudsk, J. E., 2022, In: Catheterization and Cardiovascular Interventions. 99, 5, p. 1551-1557 7 p.

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

  7. Published

    Etisk debat om behandlingen af malignt arteria cerebri media-infarkt

    Andersen, G., Sørensen, J. C., Vestergård, K., Modrau, B., Sørensen, P. & Iversen, Helle Klingenberg, 7 Apr 2008, In: Ugeskrift for Laeger. 170, 15, p. 1262; author reply 1263

    Research output: Contribution to journal › Journal article › Communication

  8. Published

    Behandling af akut iskaemisk apopleksi

    Andersen, G., Krieger, D. W., Iversen, Helle Klingenberg & Krieger, D. W., 2009, In: Ugeskrift for læger. 171, 13, p. 1094

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

  9. Published

    Behandling af akut iskaemisk apopleksi

    Andersen, G., Krieger, D. W. & Iversen, Helle Klingenberg, 23 Mar 2009, In: Ugeskrift for Laeger. 171, 13, p. 1094

    Research output: Contribution to journal › Journal article › Communication

  10. Published

    Assessment of patients with a suspected cardioembolic ischemic stroke. A national consensus statement

    Aplin, M., Andersen, A., Brandes, A., Dominguez, Helena, Dahl, J. S., Damgaard, D., Iversen, Helle Klingenberg, Iversen, Kasper, Nielsen, E., Risum, N., Schmidt, Michael Rahbek & Andersen, N. H., 2021, In: Scandinavian Cardiovascular Journal. 55, 5, p. 315-325 11 p.

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

  11. Published

    RAAS and stress markers in acute ischemic stroke: preliminary findings

    Back, C., Thiesen, K. L., Olsen, K. S., Edvinsson, L., Jensen, L. T., Larsen, V. A. & Iversen, Helle Klingenberg, Feb 2015, In: Acta Neurologica Scandinavica. 131, 2, p. 132-139 8 p.

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

  12. Published

    Pharyngeal Electrical Stimulation for Treatment of Dysphagia in Subacute Stroke: A Randomized Controlled Trial

    Bath, P. M. W., Scutt, P., Love, J., Clavé, P., Cohen, D., Dziewas, R., Iversen, Helle Klingenberg, Ledl, C., Ragab, S., Soda, H., Warusevitane, A., Woisard, V., Hamdy, S. & Swallowing Treatment Using Pharyngeal Electrical Stimulation (STEPS) Trial Investigators, S. T. U. P. E. S. (. T. I., Jun 2016, In: Stroke. 47, 6, p. 1562-1570 + tillæg 9 p.

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

  13. Published

    Effect of telmisartan on functional outcome, recurrence, and blood pressure in patients with acute mild ischemic stroke: a PRoFESS subgroup analysis

    Bath, P. M. W., Martin, R. H., Palesch, Y., Cotton, D., Yusuf, S., Sacco, R., Diener, H., Toni, D., Estol, C., Roberts, R., Iversen, Helle Klingenberg & PRoFESS Study Group, P. S. G., 1 Nov 2009, In: Stroke. 40, 11, p. 3541-6 6 p.

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

  14. Published

    Treatment diary for botulinum toxin spasticity treatment: a pilot study

    Biering-Sørensen, B., Iversen, Helle Klingenberg, Frederiksen, I. M. S., Vilhelmsen, J. R. & Biering-Sørensen, Fin, 2017, In: International Journal of Rehabilitation Research. 40, 2, p. 175-184

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

  15. 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 journal › Journal article › Research › peer-review

  16. 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 journal › Journal article › Research › peer-review

  17. 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 journal › Journal article › Research › peer-review

  18. Published

    Patients' perceptions of the benefits and problems of using the ActiGait implanted drop-foot stimulator

    Burridge, J. H., Haugland, M., Larsen, B., Svaneborg, N., Iversen, Helle Klingenberg, Christensen, P. B., Pickering, R. M. & Sinkjaer, T., Nov 2008, In: Journal of Rehabilitation Medicine. 40, 10, p. 873-5 3 p.

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

  19. Published

    Workforce Attachment after Ischemic Stroke – The Importance of Time to Thrombolytic Therapy

    Butt, J. H., Kragholm, K., Kruuse, Christina Rostrup, Christensen, H., Iversen, Helle Klingenberg, Johnsen, S. P., Rørth, R., Vinding, N. E., Yafasova, A., Christiansen, C. B., Gislason, Gunnar Hilmar, Torp-Pedersen, Christian, Køber, Lars Valeur & Fosbøl, E. L., 2021, In: Journal of Stroke and Cerebrovascular Diseases. 30, 11, 106031.

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

  20. Published

    Cardiovascular risk factor control and outcomes in peripheral artery disease patients in the Reduction of Atherothrombosis for Continued Health (REACH) Registry

    Cacoub, P. P., Abola, M. T. B., Baumgartner, I., Bhatt, D. L., Creager, M. A., Liau, C., Goto, S., Röther, J., Steg, P. G., Hirsch, A. T., Iversen, Helle Klingenberg & REACH Registry Investigators, R. R. I., 1 Jun 2009, In: Atherosclerosis. 204, 2, p. e86-92

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

  21. Published

    Quantitative Signal Intensity in Fluid-Attenuated Inversion Recovery and Treatment Effect in the WAKE-UP Trial

    Cheng, B., Boutitie, F., Nickel, A., Wouters, A., Cho, T-H., Ebinger, M., Endres, M., Fiebach, J. B., Fiehler, J., Galinovic, I., Puig, J., Thijs, V., Lemmens, R., Muir, K. W., Nighoghossian, N., Pedraza, S., Simonsen, C. Z., Gerloff, C., Thomalla, G., WAKE-UP (Efficacy and Safety of MRI-Based Thrombolysis inWake-Up Stroke Trial) investigators and administrative staff are as follows: & 10 others, Thomalla, G., Gerloff, C., Golsari, A., Marstrand, Jacob Rørbech, Ægidius, K. L., Meden, Per, Iversen, Helle Klingenberg, Gorriz, D., Oberndorfer, S. & Prohaska, E., 2020, In: Stroke. 51, 1, p. 209-215

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

  22. Published

    Apopleksi i 2013: i Danmark og internationalt

    Christensen, H. & Iversen, Helle Klingenberg, 2 Jun 2014, In: Ugeskrift for Laeger. 176, 11A, p. 1 1 p.

    Research output: Contribution to journal › Journal article › Communication

  23. 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 journal › Journal article › Research › peer-review

  24. 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 journal › Journal article › Research › peer-review

  25. 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 journal › Journal article › Research › peer-review

  26. Published

    A systematic comparison of motion artifact correction techniques for functional near-infrared spectroscopy

    Cooper, R. J., Selb, J., Gagnon, L., Phillip, D., Schytz, Henrik Winther, Iversen, Helle Klingenberg, dlt446, dlt446 & Boas, D. A., 2012, In: Frontiers in Neuroscience. 6, p. 147

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

  27. Published

    An adaptive CSP filter to investigate user independence in a 3-class MI-BCI paradigm

    Costa, A. P., Møller, J. S., Iversen, Helle Klingenberg & Puthusserypady, S., 2018, In: Computers in Biology and Medicine. 103, p. 24-33 10 p.

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

  28. Published

    Adaptive CSP for user independence in MI-BCI paradigm for upper LIMB stroke rehabilitation

    Costa, A. P., Moller, J. S., Iversen, Helle Klingenberg & Puthusserypady, S., 2019, 2018 IEEE Global Conference on Signal and Information Processing, GlobalSIP 2018 - Proceedings. IEEE, p. 420-423 4 p. 8646403. (2018 IEEE Global Conference on Signal and Information Processing, GlobalSIP 2018 - Proceedings).

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

  29. Published

    Role of Proxy Respondents in International Stroke Research: Experience of the INTERSTROKE Study

    Costello, M. M., Judge, C., Reddin, C., Rangarajan, S., Langhorne, P., Zhang, H., Iversen, Helle Klingenberg, Xavier, D., Smyth, A., Canavan, M. D., Yusuf, S. & O'Donnell, M. J., 2022, In: Neuroepidemiology. 56, 5, p. 355-364 10 p.

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

  30. Published

    Autonomic dysfunction after mild acute ischemic stroke and six months after: a prospective observational cohort study

    Damkjær, M., Simonsen, S. A., Heiberg, A. V., Mehlsen, J., West, A. S., Jennum, Poul & Iversen, Helle Klingenberg, Dec 2023, In: BMC Neurology. 23, 1, 26.

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

  31. Published

    FBCSP and Adaptive Boosting for Multiclass Motor Imagery BCI Data Classification: A Machine Learning Approach

    Das, R., Lopez, P. S., Ahmed Khan, M., Iversen, Helle Klingenberg & Puthusserypady, S., 2020, 2020 IEEE International Conference on Systems, Man, and Cybernetics, SMC 2020. IEEE, p. 1275-1279 5 p. 9283098

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

  32. Published

    Delayed migraine-like headache in healthy volunteers after a combination of acetazolamide and glyceryl trinitrate

    Daugaard, D., Thomsen, L. L., Iversen, Helle Klingenberg, Olesen, Jes & Thomsen, L. L., 2009, In: Cephalalgia. 29, 12, p. 1294-1300 6 p.

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

  33. Published

    No effect of pure oxygen inhalation on headache induced by glyceryl trinitrate

    Daugaard, D., Tfelt-Hansen, P., Thomsen, L. L., Iversen, Helle Klingenberg & Olesen, Jes, 2010, In: Journal of Headache and Pain. 11, 2, p. 93-95 3 p.

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

  34. Published

    Multiple Soluble Components of the Glycocalyx Are Increased in Patient Plasma After Ischemic Stroke

    Dellavalle, B., Hasseldam, Henrik, Johansen, F. F., Iversen, Helle Klingenberg, Rungby, Jørgen & Hempel, C., 2019, In: Stroke. 50, 10, p. 2948-2951 4 p.

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

  35. Published

    A Systematic Review of the Circadian Rhythm of Bone Markers in Blood

    Diemar, S. S., Dahl, S. S., West, A. S., Simonsen, S. A., Iversen, Helle Klingenberg & Jørgensen, Niklas Rye, 2023, In: Calcified Tissue International. 112, 2, p. 126–147 22 p.

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

  36. Published

    Effects of aspirin plus extended-release dipyridamole versus clopidogrel and telmisartan on disability and cognitive function after recurrent stroke in patients with ischaemic stroke in the Prevention Regimen for Effectively Avoiding Second Strokes (PRoFESS) trial: a double-blind, active and placebo-controlled study

    Diener, H-C., Sacco, R. L., 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., Prevention Regimen for Effectively Avoiding Second Strokes (PRoFESS) study group, P. R. F. E. A. S. S. (. S. G. & Iversen, Helle Klingenberg, Oct 2008, In: Lancet Neurology. 7, 10, p. 875-84 10 p.

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

  37. Published

    An end-to-end deep learning approach to MI-EEG signal classification for BCIs

    Dose, H., Møller, J. S., Iversen, Helle Klingenberg & Puthusserypady, S., 2018, In: Expert Systems with Applications. 114, p. 532-542 11 p.

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

  38. Published

    A Deep Learning MI - EEG Classification Model for BCIs

    Dose, H., Moller, J. S., Puthusserypady, S. & Iversen, Helle Klingenberg, 2018, 2018 26th European Signal Processing Conference (EUSIPCO). IEEE, p. 1676-1679 4 p.

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

  39. Published

    Stroke admissions and revascularization treatments in Denmark during COVID-19

    Drenck, N., Grundtvig, J., Christensen, T., Iversen, Helle Klingenberg, Kruuse, Christina Rostrup, Truelsen, Thomas Clement, Wienecke, Troels & Christensen, Hanne Krarup, 2022, In: Acta Neurologica Scandinavica. 145, 2, p. 160-170

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

  40. Published

    Undervisning af personale styrker inddragelse af afasiramte patienter

    Forchhammer, B., Jensen, Lise Randrup, Iversen, Helle Klingenberg, Mathiesen, L. L., Løvholt, A. P. & Sørensen, I. R., 2013, In: Apopleksi : medlemsblad. 1, p. 12-14 3 p.

    Research output: Contribution to journal › Journal article › Communication

  41. Published

    Supported Conversation for hospital staff: A questionnaire study of self-evaluated outcome

    Forchhammer, H. B., Løvholt, A. P., Mathiesen, L. L., Iversen, Helle Klingenberg, Larsen, L. S. L., Norup, A. & Jensen, Lise Randrup, 12 May 2016.

    Research output: Contribution to conference › Poster › Research › peer-review

  42. Published

    Safety and efficacy of intravenous thrombolysis in stroke patients on prior antiplatelet therapy in the WAKE-UP trial

    Frey, B. M., Boutitie, F., Cheng, B., Cho, T-H., Ebinger, M., Endres, M., Fiebach, J. B., Fiehler, J., Ford, I., Galinovic, I., Königsberg, A., Puig, J., Roy, P., Wouters, A., Magnus, T., Thijs, V., Lemmens, R., Muir, K. W., Nighoghossian, N., Pedraza, S. & 12 others, Simonsen, C. Z., Gerloff, C., Thomalla, G., WAKE-UP Investigators, W. I., Thomalla, G., Gerloff, C., Golsari, A., Iversen, Helle Klingenberg, Truelsen, Thomas Clement, Gorriz, D., Oberndorfer, S. & Prohaska, E., 2020, In: Neurological research and practice. 2, 9 p., 40.

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

  43. Published

    Migraine pain associated with middle cerebral artery dilatation: reversal by sumatriptan

    Friberg, L., Olesen, Jes, Iversen, Helle Klingenberg & Sperling, B., 6 Jul 1991, In: Lancet. 338, 8758, p. 13-7 5 p.

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

  44. 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 journal › Journal article › Research › peer-review

  45. Published

    Edoxaban versus warfarin in patients with atrial fibrillation

    Giugliano, R. P., Ruff, C. T., Braunwald, E., Murphy, S. A., Wiviott, S. D., Halperin, J. L., Waldo, A. L., Ezekowitz, M. D., Weitz, J. I., Špinar, J., Ruzyllo, W., Ruda, M., Koretsune, Y., Betcher, J., Shi, M., Grip, L. T., Patel, S. P., Patel, I., Hanyok, J. J., Mercuri, M. & 3 others, Antman, E. M., ENGAGE AF-TIMI 48 Investigators, E. A. 4. I. & Iversen, Helle Klingenberg, 28 Nov 2013, In: New England Journal of Medicine. 369, 22, p. 2093-104 12 p.

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

  46. Published

    Melatonin profile in healthy, elderly subjects - A systematic literature review

    Godfrey, S., Iversen, Helle Klingenberg & West, A. S., 2022, In: Chronobiology International. 39, 4, p. 476-492 17 p.

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

  47. Published

    Trends in incidence of oral anticoagulant-related intracerebral hemorrhage and sales of oral anticoagulants in Capital Region of Denmark 2010–2017

    Grundtvig, J., Ovesen, C., Havsteen, I., Christensen, T., Gaist, D., Iversen, Helle Klingenberg, Kruuse, Christina Rostrup, Lilja-Cyron, Alexander, Ægidius, K., Rosenbaum, S., Meden, Per, Marstrand, Jacob Rørbech, Christensen, Louisa Marguerite, Steiner, Thorsten & Christensen, Hanne Krarup, 2021, In: European Stroke Journal. 6, 2, p. 143-150 8 p.

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

  48. Published

    Sex-Differences in Oral Anticoagulant-Related Intracerebral Hemorrhage

    Grundtvig, J., Ovesen, C., Steiner, Thorsten, Carcel, C., Gaist, D., Christensen, Louisa Marguerite, Marstrand, Jacob Rørbech, Meden, Per, Rosenbaum, S., Iversen, Helle Klingenberg, Kruuse, Christina Rostrup, Christensen, T., Ægidius, K., Havsteen, I. & Christensen, Hanne Krarup, 2022, In: Frontiers in Neurology. 13, 832903.

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

  49. 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 journal › Journal article › Research › peer-review

  50. Published

    Retinal angiographic blood flowmetry is reduced in the ocular ischaemic syndrome

    Hansen, G. L., Kofoed, P. K., Munch, I. C., Sillesen, Henrik, Jensen, L. P., Iversen, Helle Klingenberg & Larsen, Michael, Oct 2013, In: Danish Medical Bulletin (Online). 60, 10, p. 1-5 5 p., A4716.

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

  51. Published

    Hemiplegic migraine aura begins with cerebral hypoperfusion: imaging in the acute phase

    Hansen, J. M., Schytz, Henrik Winther, Larsen, V. A., Iversen, Helle Klingenberg & dlt446, dlt446, Sep 2011, In: Headache Online. 51, 8, p. 1289-96 8 p.

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

  52. Published

    Rivaroxaban for Stroke Prevention after Embolic Stroke of Undetermined Source

    NAVIGATE ESUS Investigators, Amarenco, P., Ameriso, S. F., Arauzo, A., Andersen, G., Christensen, H., Christensen, T., Damgaard, D., Iversen, H., Hansen, C. K., Kruuse, C., Martinussen, M., Modrau, B., Murtuzova, A., Ovesen, C., Papina, M., Svaneborg, N., Von Weitzel-Mudersbach, P., Xiong, W., Zhang, C. & 1 others, Zweifler, R., 2018, In: The New England Journal of Medicine. 378, 23, p. 2191-2201

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

  53. Published

    Specialized Outpatient Clinic vs Stroke Unit for TIA and Minor Stroke A Cohort Study

    Hastrup, S., Johnsen, S. P., Jensen, M., von Weitzel-Mudersbach, P., Simonsen, C. Z., Hjort, N., Moller, A. T., Harbo, T., Poulsen, M. S., Iversen, Helle Klingenberg, Damgaard, D. & Andersen, G., 2021, In: Neurology. 96, 8, p. E1096-E1109 14 p.

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

  54. Published

    Cortical hemodynamic response during cognitive Stroop test in acute stroke patients assessed by fNIRS

    Heiberg, A. V., Simonsen, S. A., Schytz, Henrik Winther & Iversen, Helle Klingenberg, 2023, In: NeuroRehabilitation. 52, 2, p. 199-217 19 p.

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

  55. Published

    Clinical characteristics of migraine and episodic tension-type headache in relation to old and new diagnostic criteria

    Iversen, Helle Klingenberg, Langemark, M., Andersson, P. G., Hansen, P. E. & Olesen, Jes, Jul 1990, In: Headache Online. 30, 8, p. 514-9 6 p.

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

  56. 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 journal › Journal article › Research › peer-review

  57. 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 journal › Journal article › Research › peer-review

  58. Published

    Søvnrelaterede sygdomme ved apopleksi

    Iversen, Helle Klingenberg & Jennum, Poul, 2013, Søvn. Jennum, P. (ed.). Kbh.: Munksgaard , p. 175-180 5 p.

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

  59. 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 journal › Journal article › Research › peer-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 journal › Journal article › Research › peer-review

  61. 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 journal › Journal article › Research › peer-review

  62. Published

    Intravenous nitroglycerin as an experimental model of vascular headache. Basic characteristics

    Iversen, Helle Klingenberg, Olesen, Jes & Tfelt-Hansen, P., Jul 1989, In: Pain. 38, 1, p. 17-24 8 p.

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

  63. Published

    Arterial responses during migraine headache

    Iversen, Helle Klingenberg, Nielsen, T. H., Olesen, Jes & Tfelt-Hansen, P., 6 Oct 1990, In: Lancet. 336, 8719, p. 837-9 3 p.

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

  64. 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 journal › Journal article › Research › peer-review

  65. 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 journal › Journal article › Research › peer-review

  66. 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 journal › Journal article › Research › peer-review

  67. Published

    Dose-dependent headache response and dilatation of limb and extracranial arteries after three doses of 5-isosorbide-mononitrate

    Iversen, Helle Klingenberg, Nielsen, T. H., Garre, K., Tfelt-Hansen, P. & Olesen, Jes, 1992, In: European Journal of Clinical Pharmacology. 42, 1, p. 31-5 5 p.

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

  68. Published

    Cost of stroke: a controlled national study evaluating societal effects on patients and their partners

    Jennum, Poul, Iversen, Helle Klingenberg, Ibsen, R. & Kjellberg, J., 2015, In: BMC Health Services Research. 15, p. 1-10 10 p., 466.

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

  69. Published

    Mortality and use of psychotropic medication in patients with stroke: a population-wide, register-based study

    Jennum, Poul, Baandrup, Lone, Iversen, Helle Klingenberg, Ibsen, R. & Kjellberg, J., 8 Mar 2016, In: B M J Open. 6, 3, 7 p., e010662.

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

  70. Published

    Implementation of supported conversation for communication between nursing staff and in-hospital patients with aphasia

    Jensen, Lise Randrup, Løvholt, A. P., Sørensen, I., Blüdnikow, A., Iversen, Helle Klingenberg, Hougaard, A., Mathiesen, L. L. & Forchhammer, H. B., 2015, In: Aphasiology. 29, 1, p. 57-80 24 p., 3.

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

  71. Published

    Do communication strategies change after training in Supported Conversation for People with Aphasia (SCA)?

    Jensen, Lise Randrup, Andresen, C., Feddersen, S., Iversen, Helle Klingenberg, Norup, A. & Forchhammer, B., 15 Jun 2017.

    Research output: Contribution to conference › Poster › Research

  72. Published

    Urinary Sodium and Potassium, and Risk of Ischemic and Hemorrhagic Stroke (INTERSTROKE): A Case–Control Study

    INTERSTROKE investigators, I. I., 20 Apr 2021, In: American Journal of Hypertension. 34, 4, p. 414-425 12 p.

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

  73. Published

    Phosphodiesterase4D (PDE4D)--A risk factor for atrial fibrillation and stroke?

    Jørgensen, C., Yasmeen, S., Iversen, Helle Klingenberg & Kruuse, Christina Rostrup, 15 Dec 2015, In: Journal of the Neurological Sciences. 359, 1-2, p. 266-74 9 p.

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

  74. Published

    P2Y12 Receptor Antagonist, Clopidogrel, Does Not Contribute to Risk of Osteoporotic Fractures in Stroke Patients

    Jørgensen, Niklas Rye, Schwarz, Peter, Iversen, Helle Klingenberg & Vestergaard, P., 2017, In: Frontiers in Pharmacology. 8, 8 p., 821.

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

  75. Published

    To nye metoder til etablering af sammenhængende patientforløb: Relationel koordinering samt InterProfessionel Læring og Samarbejde

    Jørgensen, P. E., Holtzmann, J. S., Lundbak, T. & Iversen, Helle Klingenberg, 2013, In: Bibliotek for Laeger. 205, 3, p. 266-279 14 p.

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

  76. Published

    Brain Computer Interface for Neuro-rehabilitation With Deep Learning Classification and Virtual Reality Feedback

    Karácsony, T., Hansen, J. P., Iversen, Helle Klingenberg & Puthusserypady, S., 2019, Augmented Human International Conference (AH2019). Association for Computing Machinery, p. 1-8

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

  77. Published

    Characterization of Recurrent Strokes With and Without Patent Foramen Ovale Closure

    Kasner, S. E., Kase, C. S., Turan, T. N., Rowley, H. A., Andersen, G., Iversen, Helle Klingenberg, Roine, R. O., Messé, S. R., Volpi, J., Søndergaard, Lars, Rhodes, J. F., Sjöstrand, C. & REDUCE Study Investigators, R. S. I., 2018, In: Journal of the American College of Cardiology. 72, 20, p. 2542-2544 3 p.

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

  78. Published

    Five-Year Outcomes of PFO Closure or Antiplatelet Therapy for Cryptogenic Stroke

    Kasner, S. E., Rhodes, J. F., Andersen, G., Iversen, Helle Klingenberg, Nielsen-kudsk, J. E., Settergren, M., Sjöstrand, C., Roine, R. O., Hildick-smith, D., Spence, J. D. & Søndergaard, Lars, 11 Mar 2021, In: New England Journal of Medicine. 384, 10, p. 970-971 2 p.

    Research output: Contribution to journal › Comment/debate › Research › peer-review

  79. Published

    Comparison of Antiplatelet Therapies for Prevention of Patent Foramen Ovale-Associated Stroke

    Kasner, S. E., Randall, B., Andersen, G., Iversen, Helle Klingenberg, Roine, R., Sjostrand, C., Rhodes, J. F., Søndergaard, Lars & The Gore REDUCE Study Investigators, T. G. R. S. I., 2020, In: Journal of Stroke and Cerebrovascular Diseases. 29, 4, 104632.

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

  80. Published

    Review on motor imagery based BCI systems for upper limb post-stroke neurorehabilitation: From designing to application

    Khan, M. A., Das, R., Iversen, Helle Klingenberg & Puthusserypady, S., 2020, In: Computers in Biology and Medicine. 123, 103843.

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

  81. Published

    Cone pathway function in relation to asymmetric carotid artery stenosis: correlation to blood pressure

    Kofoed, P. K., Munch, I. C., Holfort, S. K., Sillesen, Henrik, Jensen, L. P., Iversen, Helle Klingenberg & Larsen, Michael, 2013, In: Acta Ophthalmologica. 91, 8, p. 728-732 5 p.

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

  82. Published

    Patient-tailored transcranial direct current stimulation to improve stroke rehabilitation: study protocol of a randomized sham-controlled trial

    Kolmos, M., Madsen, M. J., Liu, M. L., Karabanov, Anke Ninija, Johansen, K. L., Thielscher, A., Gandrup, K., Lundell, H., Fuglsang, S., Thade, E., Christensen, H., Iversen, Helle Klingenberg, Siebner, Hartwig Roman & Kruuse, Christina Rostrup, 2023, In: Trials. 24, 16 p., 216.

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

  83. Published

    Neuroregeneration and Vascular Protection by Citalopram in Acute Ischemic Stroke (TALOS): A Randomized Controlled Study

    Kraglund, K. L., Mortensen, J. K., Damsbo, A. G., Modrau, B., Simonsen, S. A., Iversen, Helle Klingenberg, Madsen, M., Grove, E. L., Johnsen, S. P. & Andersen, G., 2018, In: Stroke. 49, 11, p. 2568-2576

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

  84. Published

    EARLY INTRODUCTION TO HIGH-INTENSITY INTERVAL TRAINING IN STROKE ASSOCIATES WITH SUSTAINED VIGOROUS-INTENSITY ACTIVITY AT LONG-TERM FOLLOW-UP - RESULTS FROM THE HITPALS STUDY

    Krawcyk, R. S., Vinther, A., Petersen, Nicolas Caesar, Faber, Jens, Iversen, Helle Klingenberg, Christensen, T., Lambertsen, K., Klausen, T., Rostrup, E. & Kruuse, Christina Rostrup, 2020, In: International Journal of Stroke. 15, Supplement 1, p. 132 00477 / #2449.

    Research output: Contribution to journal › Conference abstract in journal › Research › peer-review

  85. Published

    Effect of Home-Based High-Intensity Interval Training in Patients With Lacunar Stroke: A Randomized Controlled Trial

    Krawcyk, R. S., Vinther, A., Petersen, Nicolas Caesar, Faber, Jens, Iversen, Helle Klingenberg, Christensen, T., Lambertsen, K. L., Rehman, S., Klausen, T. W., Rostrup, E. & Kruuse, Christina Rostrup, 2019, In: Frontiers in Neurology. 10, 15 p., 664.

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

  86. Published

    Self-Reported Physical Activity and Cardiovascular Disease Risk Factors in Patients with Lacunar Stroke

    Krawcyk, R. S., Vinther, A., Petersen, Nicolas Caesar, Faber, Jens, Rehman, S., Iversen, Helle Klingenberg, Christensen, T. & Kruuse, Christina Rostrup, 2019, In: Journal of Stroke & Cerebrovascular Diseases. 28, 8, p. 2168-2176 9 p.

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

  87. Published

    High-intensity training in patients with lacunar stroke: A one-year follow-up

    Krawcyk, R. S., Vinther, A., Petersen, Nicolas Caesar, Faber, Jens, Iversen, Helle Klingenberg, Christensen, T., Klausen, T. W. & Kruuse, Christina Rostrup, 2023, In: Journal of Stroke and Cerebrovascular Diseases. 32, 4, 12 p., 106973.

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

  88. Published

    Screening with doppler ultrasound for carotid artery stenosis in patients with stroke or transient ischaemic attack

    Kristensen, T., Hovind, P., Iversen, Helle Klingenberg & Andersen, U. B., 2018, In: Clinical Physiology and Functional Imaging. 38, 4, p. 617-621 5 p.

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

  89. 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 journal › Journal article › Research › peer-review

  90. Published

    Calcitonin gene-related peptide (CGRP) levels during glyceryl trinitrate (GTN)-induced headache in healthy volunteers

    Kruuse, Christina Rostrup, Iversen, Helle Klingenberg, Jansen-Olesen, I., Edvinsson, L. & Olesen, Jes, Apr 2010, In: Cephalalgia : an international journal of headache. 30, 4, p. 467-74 8 p.

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

  91. Published

    Practice patterns and outcomes after stroke across countries at different economic levels (INTERSTROKE): an international observational study

    Langhorne, P., O'Donnell, M. J., Chin, S. L., Zhang, H., Xavier, D., Avezum, A., Mathur, N., Turner, M., MacLeod, M. J., Lopez-Jaramillo, P., Damasceno, A., Hankey, G. J., Dans, A. L., Elsayed, A., Mondo, C., Wasay, M., Czlonkowska, A., Weimar, C., Yusufali, A. H., Hussain, F. A. & 22 others, Lisheng, L., Diener, H., Ryglewicz, D., Pogosova, N., Iqbal, R., Diaz, R., Yusoff, K., Oguz, A., Wang, X., Penaherrera, E., Lanas, F., Ogah, O. S., Ogunniyi, A., Iversen, Helle Klingenberg, Malaga, G., Rumboldt, Z., Magazi, D., Nilanont, Y., Rosengren, A., Oveisgharan, S., Yusuf, S. & INTERSTROKE collaborators, I. C., 2018, In: Lancet Oncology. 391, 10134, p. 2019-2027 9 p.

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

  92. Published

    Brain capillary transit time heterogeneity in healthy volunteers measured by dynamic contrast-enhanced T1-weighted perfusion MRI

    Larsson, Henrik Bo Wiberg, Vestergaard, M. B., Lindberg, U., Iversen, Helle Klingenberg & Cramer, S. P., Jun 2017, In: Journal of Magnetic Resonance Imaging. 45, 6, p. 1809-1820 12 p.

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

  93. 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 journal › Journal article › Research › peer-review

  94. 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 journal › Journal article › Research › peer-review

  95. 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 journal › Journal article › Research › peer-review

  96. 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 journal › Journal article › Research › peer-review

  97. Published

    Reducing delay to endovascular reperfusion after relocating a thrombolysis unit

    Laugesen, N. G., Hansen, Klaus, Højgaard, J., Iversen, Helle Klingenberg & Truelsen, Thomas Clement, 2022, In: Frontiers in Neurology. 13, 8 p., 989607.

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

  98. Published

    Time to treatment with intravenous alteplase and outcome in stroke: an updated pooled analysis of ECASS, ATLANTIS, NINDS, and EPITHET trials

    Lees, K. R., Bluhmki, E., von Kummer, R., Brott, T. G., Toni, D., Grotta, J. C., Albers, G. W., Kaste, M., Marler, J. R., Hamilton, S. A., Tilley, B. C., Davis, S. M., Donnan, G. A., Hacke, W., Allen, K., Mau, J., Meier, D., del Zoppo, G., De Silva, D. A., Butcher, K. S. & 7 others, Parsons, M. W., Barber, P. A., Levi, C., Bladin, C., Byrnes, G., ECASS, ATLANTIS, NINDS and EPITHET rt-PA Study Group, E. A. N. A. E. R. S. G. & Iversen, Helle Klingenberg, 15 May 2010, In: Lancet. 375, 9727, p. 1695-703 9 p.

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

  99. Published

    Lack of effect of norepinephrine on cranial haemodynamics and headache in healthy volunteers

    Lindholt, M., Petersen, K. A., Tvedskov, Jesper Filtenborg, Iversen, Helle Klingenberg, Olesen, Jes & Tfelt-Hansen, P., Mar 2009, In: Cephalalgia : an international journal of headache. 29, 3, p. 384-7 4 p.

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

  100. Published

    Clinical outcomes of light therapy in hospitalized patients – A systematic review

    Lindskov, F. O., Iversen, Helle Klingenberg & West, A. S., 2022, In: Chronobiology International. 39, 2, p. 299-310 12 p.

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

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