Helle Klingenberg Iversen

Helle Klingenberg Iversen

Clinical Associate Professor

Member of:

  • Neurology


  1. 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

  2. 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

  3. 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

  4. 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

  5. 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

  6. 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

  7. 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

  8. 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

  9. 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

  10. 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

  11. 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

  12. 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

  13. 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

  14. 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

  15. 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

  16. 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

  17. 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

  18. 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

  19. 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

  20. 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

  21. 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

  22. 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

  23. 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

  24. 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

  25. 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