Helle Klingenberg Iversen

Helle Klingenberg Iversen

Clinical Associate Professor

Member of:

  • Neurology


  1. 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

  2. Published

    Characteristics and Outcomes in Patients With COVID-19 and Acute Ischemic Stroke: The Global COVID-19 Stroke Registry

    Ntaios, G., Michel, P., Georgiopoulos, G., Guo, Y., Li, W., Xiong, J., Calleja, P., Ostos, F., González-Ortega, G., Fuentes, B., Alonso de Leciñana, M., Díez-Tejedor, E., García-Madrona, S., Masjuan, J., DeFelipe, A., Turc, G., Gonçalves, B., Domigo, V., Dan, G-A., Vezeteu, R. & 48 others, Christensen, H., Christensen, Louisa Marguerite, Meden, Per, Hajdarevic, L., Rodriguez-Lopez, A., Díaz-Otero, F., García-Pastor, A., Gil-Nuñez, A., Maslias, E., Strambo, D., Werring, D. J., Chandratheva, A., Benjamin, L., Simister, R., Perry, R., Beyrouti, R., Jabbour, P., Sweid, A., Tjoumakaris, S., Cuadrado-Godia, E., Campello, A. R., Roquer, J., Moreira, T., Mazya, M. V., Bandini, F., Matz, K., Iversen, Helle Klingenberg, González-Duarte, A., Tiu, C., Ferrari, J., Vosko, M. R., Salzer, H. J. F., Lamprecht, B., Dünser, M. W., Cereda, C. W., Quintero, Á. B. C., Korompoki, E., Soriano-Navarro, E., Soto-Ramírez, L. E., Castañeda-Méndez, P. F., Bay-Sansores, D., Arauz, A., Cano-Nigenda, V., Kristoffersen, E. S., Tiainen, M., Strbian, D., Putaala, J. & Lip, G. Y. H., 2020, In: Stroke. 51, 9, p. e254-e258

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. 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 journalJournal articleResearchpeer-review

  4. 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 journalJournal articleResearchpeer-review

  5. 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 journalReviewResearchpeer-review

  6. 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 journalJournal articleResearchpeer-review

  7. 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 journalJournal articleResearchpeer-review

  8. 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 journalJournal articleResearchpeer-review

  9. 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 journalJournal articleResearchpeer-review

  10. 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 journalJournal articleResearchpeer-review

  11. 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 journalJournal articleResearchpeer-review

  12. Published

    Determination of the luminal diameter of the radial artery in man by high frequency ultrasound: a methodological study

    Nielsen, T. H., Iversen, Helle Klingenberg & Tfelt-Hansen, P., 1990, In: Ultrasound in Medicine & Biology. 16, 8, p. 787-91 5 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  13. Published

    Diffusion-weighted MRI for verification of electroporation-based treatments

    Mahmood, F., Hansen, R. H., Agerholm-Larsen, B., Jensen, K. S., Iversen, Helle Klingenberg & Gehl, Julie, 1 Apr 2011, In: Journal of Membrane Biology. 240, 3, p. 131-8 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  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

    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 conferencePosterResearch

  16. 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 journalJournal articleResearchpeer-review

  17. 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 journalConference abstract in journalResearchpeer-review

  18. Published

    EU-Wide Cross-Sectional Observational Study of Lipid-Modifying Therapy Use in Secondary and Primary Care: the DA VINCI study

    Ray, K. K. & DA VINCI study , D. V. S., 2021, In: European Journal of Preventive Cardiology. 28, 11, p. 1279–1289

    Research output: Contribution to journalJournal articleResearchpeer-review

  19. Published

    Early clinical experience with subcutaneous GR43175 in acute migraine: an overview

    Tfelt-Hansen, P., Brand, J., Dano, P., Doenicke, A., Findley, L. J., Iversen, Helle Klingenberg, Melchart, D. & Sahlender, H. M., 1989, In: Cephalalgia : an international journal of headache. 9 Suppl 9, p. 73-7 5 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  20. 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 journalJournal articleResearchpeer-review

  21. 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 journalJournal articleResearchpeer-review

  22. 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

  23. Published

    Effect of motion artifacts and their correction on near-infrared spectroscopy oscillation data: a study in healthy subjects and stroke patients

    Selb, J., Yücel, M. A., Phillip, D., Schytz, Henrik Winther, Iversen, Helle Klingenberg, Vangel, M., dlt446, dlt446 & Boas, D. A., May 2015, In: Journal of Biomedical Optics. 20, 5, 56011.

    Research output: Contribution to journalJournal articleResearchpeer-review

  24. 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

  25. 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 journalJournal articleResearchpeer-review

  26. 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 journalJournal articleResearchpeer-review

  27. 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

  28. 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

  29. Published

    Ethnic differences in incidence and mortality of stroke in Denmark

    Mkoma, George Frederick, Johnsen, S. P., Iversen, Helle Klingenberg, Andersen, G. & Nørredam, Marie Louise, 2020.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  30. 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 journalJournal articleCommunication

  31. Published

    Evaluation of pre-hospital transport time of stroke patients to thrombolytic treatment

    Simonsen, S., Andresen, M., Michelsen, L., Viereck, S., Lippert, F. K. & Iversen, Helle Klingenberg, 2014, In: Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine. 22, 1, p. 1-5 5 p., 65.

    Research output: Contribution to journalJournal articleResearchpeer-review

  32. 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

  33. 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

  34. 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 proceedingArticle in proceedingsResearchpeer-review

  35. 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 journalComment/debateResearchpeer-review

  36. Published

    Flunarizine versus metoprolol in migraine prophylaxis: a double-blind, randomized parallel group study of efficacy and tolerability

    Sørensen, Per Soelberg, Larsen, B. H., Rasmussen, M. J., Kinge, E., Alslev, T., Nøhr, P., Pedersen, K. K., Schrøder, P., Lademann, A. & Iversen, Helle Klingenberg, Nov 1991, In: Headache Online. 31, 10, p. 650-7 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  37. Published

    Global Impact of COVID-19 on Stroke Care and IV Thrombolysis

    SVIN COVID-19 Global Stroke Registry, S. C. G. S. R. & SVIN COVID-19 Global Stroke Registry, S. C. G. S. R., 8 Jun 2021, In: Neurology. 96, 23, p. e2824-e2838 16 p.

    Research output: Contribution to journalComment/debateResearchpeer-review

  38. Published

    Global and regional effects of potentially modifiable risk factors associated with acute stroke in 32 countries (INTERSTROKE): a case-control study

    O'Donnell, M. J., Chin, S. L., Rangarajan, S., Xavier, D., Liu, L., Zhang, H., Rao-Melacini, P., Zhang, X., Pais, P., Agapay, S., Lopez-Jaramillo, P., Damasceno, A., Langhorne, P., McQueen, M. J., Rosengren, A., Dehghan, M., Hankey, G. J., Dans, A. L., Elsayed, A., Avezum, A. & 27 others, Mondo, C., Diener, H., Ryglewicz, D., Czlonkowska, A., Pogosova, N., Weimar, C., Iqbal, R., Diaz, R., Yusoff, K., Yusufali, A., Oguz, A., Wang, X., Penaherrera, E., Lanas, F., Ogah, O. S., Ogunniyi, A., Iversen, Helle Klingenberg, Malaga, G., Rumboldt, Z., Oveisgharan, S., Al Hussain, F., Magazi, D., Nilanont, Y., Ferguson, J., Pare, G., Yusuf, S. & INTERSTROKE investigators, I. I., 20 Aug 2016, In: The Lancet. 388, 10046, p. 761-75 15 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  39. Published

    Global impact of the COVID-19 pandemic on stroke care and intravenous thrombolysis

    Thanh Nguyen, P., Qureshi, M., Martins, S., Yamagami, H., Qiu, Z., Mansour, O., Czlonkowska, A., Abdalkader, M., Sathya, A., de Sousa, D. A., Demeestere, J., Mikulik, R., Vanacker, P., Siegler, J., Korv, J., Biller, J., Liang, C., Sangha, N., Zha, A., Czap, A. & 428 others, Holmstedt, C., Turan, T., Grant, C., Ntaios, G., Malhotra, K., Tayal, A., Loochtan, A., Mistry, E., Alexandrov, A., Huang, D., Yaghi, S., Raz, E., Sheth, S., Frankel, M., Lamou, E. G. B., Aref, H., Elbassiouny, A., Hassan, F., Mustafa, W., Menecie, T., Shokri, H., Roushdy, T., Sarfo, F. S., Alabi, T., Arabambi, B., Nwazor, E., Sunmonu, T. A., Wahab, K. W., Mohammed, H. H., Adebayo, P. B., Riahi, A., Ben Sassi, S., Gwaunza, L., Rahman, A., Ai, Z., Bai, F., Duan, Z., Hao, Y., Huang, W., Li, G., Li, W., Liu, G., Luo, J., Shang, X., Sui, Y., Tian, L., Wen, H., Wu, B., Yan, Y., Yuan, Z., Zhang, H., Zhang, J., Zhao, W., Zi, W., Leung, T. K., Sahakyan, D., Chugh, C., Huded, V., Menon, B., Pandian, J., Sylaja, P. N., Usman, F. S., Farhoudi, M., Sadeghi-Hokmabadi, E., Reznik, A., Sivan-Hoffman, R., Horev, A., Ohara, N., Sakai, N., Watanabe, D., Yamamoto, R., Doijiri, R., Tokuda, N., Yamada, T., Terasaki, T., Yazawa, Y., Uwatoko, T., Dembo, T., Shimizu, H., Sugiura, Y., Miyashita, F., Fukuda, H., Miyake, K., Shimbo, J., Sugimura, Y., Yagita, Y., Takenobu, Y., Matsumaru, Y., Yamada, S., Kono, R., Kanamaru, T., Yamazaki, H., Sakaguchi, M., Todo, K., Yamamoto, N., Sonodda, K., Yoshida, T., Hashimoto, H., Nakahara, I., Faizullina, K., Kamenova, S., Kondybayeva, A., Zhanuzakov, M., Baek, J., Hwang, Y., Lee, S. B., Moon, J., Park, H., Seo, J. H., Seo, K., Young, C. J., Ahdab, R., Aziz, Z. A., Zaidi, W. A. W., Bin Basri, H., Chung, L. W., Husin, M., Ibrahim, A. B., Ibrahim, K. A., Looi, I., Tan, W. Y., Yahya, W. N. N. W., Groppa, S., Leahu, P., Al Hashmi, A., Imam, Y. Z., Akhtar, N., Oliver, C., Kandyba, D., Alhazzani, A., Al-Jehani, H., Tham, C. H., Mamauag, M. J., Narayanaswamy, R., Chen, C., Tang, S., Churojana, A., Aykac, O., Ozdemir, A. O., Hussain, S. I., John, S., Huynh Le Vu, Anh Duc Tran, Huy Hoang Nguyen, Pham Nhu Thong, Nguyen, T., Nguyen, T., Gattringer, T., Enzinger, C., Killer-Oberpfalzer, M., Bellante, F., De Blauwe, S., Van Hooren, G., De Raedt, S., Dusart, A., Ligot, N., Rutgers, M., Yperzeele, L., Alexiev, F., Sakelarova, T., Bedekovic, M. R., Budincevic, H., Cindric, I., Hucika, Z., Ozretic, D., Saric, M. S., Pfeifer, F., Karpowicz, I., Cernik, D., Sramek, M., Skoda, M., Hlavacova, H., Klecka, L., Koutny, M., Vaclavik, D., Skoda, O., Fiksa, J., Hanelova, K., Nevsimalova, M., Rezek, R., Prochazka, P., Krejstova, G., Neumann, J., Vachova, M., Brzezanski, H., Hlinovsky, D., Tenora, D., Jura, R., Jurak, L., Novak, J., Novak, A., Topinka, Z., Fibrich, P., Sobolova, H., Volny, O., Christensen, Hanne Krarup, Drenck, N., Iversen, Helle Klingenberg, Simonsen, C., Truelsen, Thomas Clement, Wienecke, Troels, Vibo, R., Gross-Paju, K., Toomsoo, T., Antsov, K., Caparros, F., Cordonnier, C., Dan, M., Faucheux, J., Mechtouff, L., Eker, O., Lesaine, E., Ondze, B., Pico, F., Pop, R., Rouanet, F., Gubeladze, T., Khinikadze, M., Lobjanidze, N., Tsiskaridze, A., Nagel, S., Ringleb, P. A., Rosenkranz, M., Schmidt, H., Sedghi, A., Siepmann, T., Szabo, K., Thomalla, G., Palaiodimou, L., Sagris, D., Kargiotis, O., Kaliaev, A., Liebeskind, D., Hassan, A., Ranta, A., Devlin, T., Zaidat, O., Castonguay, A., Jovin, T., Tsivgoulis, G., Malik, A., Ma, A., Campbell, B., Kleinig, T., Wu, T., Gongora, F., Lavados, P., Olavarria, V., Lereis, V. P., Corredor, A., Barbosa, D. M., Bayona, H., Barrientos, J. D., Patino, M., Thijs, V., Pirson, A., Kristoffersen, E. S., Patrik, M., Fischer, U., Bernava, G., Renieri, L., Strambo, D., Ayo-Martin, O., Montaner, J., Karlinski, M., Cruz-Culebras, A., Luchowski, P., Krastev, G., Arenillas, J., Gralla, J., Mangiafico, S., Blasco, J., Fonseca, L., Silva, M. L., Kwan, J., Banerjee, S., Sangalli, D., Frisullo, G., Yavagal, D., Uyttenboogaart, M., Bandini, F., Adami, A., de Lecina, M. A., Arribas, M. A. T., Ferreira, P., Cruz, V. T., Nunes, A. P., Marto, J. P., Rodrigues, M., Melo, T., Saposnik, G., Scott, C. A., Shuaib, A., Khosravani, H., Fields, T., Shoamanesh, A., Catanese, L., Mackey, A., Hill, M., Etherton, M., Rost, N., Lutsep, H., Lee, V., Mehta, B., Pikula, A., Simmons, M., Macdougall, L., Silver, B., Khandelwal, P., Morris, J., Novakovic-White, R., Ramakrishnan, P., Shah, R., Altschul, D., Almufti, F., Amaya, P., Ordonez, C. E. R., Lara, O., Kadota, L. R., Rivera, L. I. P., Novarro, N., Escobar, L. D., Melgarejo, D., Cardozo, A., Blanco, A., Zelaya, J. A., Luraschi, A., Gonzalez, V. H. N., Almeida, J., Conforto, A., Almeida, M. S., Silva, L. D. D., Cuervo, D. L. M., Zetola, V. F., Martins, R. T., Valler, L., Giacomini, L. V., Cardoso, F. B., Sahathevan, R., Hair, C., Hankey, G., Salazar, D., Lima, F. O., Mont'Alverne, F., Moises, D., Iman, B., Magalhaes, P., Longo, A., Rebello, L., Falup-Pecurariu, C., Mazya, M., Wisniewska, A., Fryze, W., Kazmierski, R., Wisniewska, M., Horoch, E., Sienkiewicz-Jarosz, H., Fudala, M., Rogoziewicz, M., Brola, W., Sobolewski, P., Kaczorowski, R., Stepien, A., Klivenyi, P., Szapary, L., van den Wijngaard, I., Demchuk, A., Abraham, M., Alvarado-Ortiz, T., Kaushal, R., Ortega-Gutierrez, S., Farooqui, M., Bach, I., Badruddin, A., Barazangi, N., Nguyen, C., Brereton, C., Choi, J. H., Dharmadhikari, S., Desai, K., Doss, V., Edgell, R., Linares, G., Frei, D., Chaturvedi, S., Gandhi, D., Chaudhry, S., Choe, H., Grigoryan, M., Gupta, R., Helenius, J., Voetsch, B., Khwaja, A., Khoury, N., Kim, B. S., Kleindorfer, D., McDermott, M., Koyfman, F., Leung, L., Linfante, I., Male, S., Masoud, H., Min, J., Mittal, M., Multani, S., Nahab, F., Nalleballe, K., Rahangdale, R., Rafael, J., Rothstein, A., Ruland, S., Sharma, M., Singh, A., Starosciak, A., Strasser, S., Szeder, V., Teleb, M., Tsai, J., Mohammaden, M., Pineda-Franks, C., Asyraf, W., Trung Quoch Nguyen, Tarkanyi, G., Horev, A., Haussen, D., Balaguera, O., Vasquez, A. R. & Nogueira, R., 2021, In: Neurology. 96, 15 Supplement, 1462.

    Research output: Contribution to journalConference abstract in journalResearchpeer-review

  40. 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

  41. 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

  42. 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 journalJournal articleResearchpeer-review

  43. 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 journalJournal articleResearchpeer-review

  44. 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 journalJournal articleResearchpeer-review

  45. 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

  46. 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

  47. Published

    Immigration status and utilization of secondary preventive treatment after ischemic stroke

    Mkoma, George Frederick, Johnsen, S. P., Iversen, Helle Klingenberg, Andersen, G. & Nørredam, Marie Louise, 2022, In: European Stroke Journal. 7, 4, 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  48. Published

    Impact of naturalistic lighting on hospitalized stroke patients in a rehabilitation unit: Design and measurement

    West, A., Jennum, Poul, Simonsen, S. A., Sander, B., Pavlova, M. & Iversen, Helle Klingenberg, 2017, In: Chronobiology International. 34, 6, p. 687-697 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  49. Published

    Impact of the circadian clock on fibrinolysis and coagulation in healthy individuals and cardiovascular patients – A systematic review

    West, A. S., Schønsted, M. I. & Iversen, Helle Klingenberg, Nov 2021, In: Thrombosis Research. 207, p. 75-84 10 p.

    Research output: Contribution to journalReviewResearchpeer-review

  50. Published

    Impaired cerebrovascular reactivity in obstructive sleep apnea: a case-control study

    Ponsaing, L. B., Lindberg, U., Rostrup, E., Iversen, Helle Klingenberg, Larsson, Henrik Bo Wiberg & Jennum, Poul, 2018, In: Sleep Medicine. 43, p. 7-13

    Research output: Contribution to journalJournal articleResearchpeer-review

ID: 47983134