Helle Klingenberg Iversen

Helle Klingenberg Iversen

Clinical Associate Professor

Member of:

  • Neurology


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

  2. Published

    Registration of acute stroke: validity in the Danish Stroke Registry and the Danish National Registry of Patients

    Wildenschild, C., Mehnert, F., Thomsen, R. W., Iversen, Helle Klingenberg, Vestergaard, K., Ingeman, A. & Johnsen, S. P., 2013, In: Clinical Epidemiology. 6, p. 27-36 10 p.

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

  3. Published

    Registration of acute stroke: validity in the Danish Stroke Registry and the Danish National Registry of Patients

    Wildenschild, C., Mehnert, F., Thomsen, R. W., Iversen, Helle Klingenberg, Vestergaard, K., Ingeman, A. & Johnsen, S. P., 2014, In: Clinical Epidemiology. 6, p. 27-36 10 p.

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

  4. Published

    The Effects of Naturalistic Light on Diurnal Plasma Melatonin and Serum Cortisol Levels in Stroke Patients during Admission for Rehabilitation: A Randomized Controlled Trial

    West, A. S., Sennels, H. P., Simonsen, S. A., Schønsted, M., Zielinski, A. H., Hansen, N. C., Jennum, Poul, Sander, B., Wolfram, F. & Iversen, Helle Klingenberg, 2019, In: International Journal of Medical Sciences. 16, 1, p. 125-134 10 p.

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

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

  6. Published

    An exploratory investigation of the effect of naturalistic light on fatigue and subjective sleep quality in stroke patients admitted for rehabilitation: A randomized controlled trial

    West, A., Simonsen, S. A., Jennum, Poul, Cyril Hansen, N., Schønsted, M., Zielinski, A., Sander, B. & Iversen, Helle Klingenberg, 2019, In: NeuroRehabilitation. 45, 2, p. 187-200

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

  7. Published

    An exploratory investigation of the effect of naturalistic light on depression, anxiety, and cognitive outcomes in stroke patients during admission for rehabilitation: A randomized controlled trial

    West, A., Simonsen, S. A., Zielinski, A., Cyril, N., Schønsted, M., Jennum, Poul, Sander, B. & Iversen, Helle Klingenberg, 2019, In: NeuroRehabilitation. 44, 3, p. 341-351

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

  8. 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 journal › Review › Research › peer-review

  9. Published

    Medical dispatchers recognise substantial amount of acute stroke during emergency calls

    Viereck, S., Møller, T. P., Iversen, Helle Klingenberg, Christensen, H. & Lippert, F., 7 Jul 2016, In: Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine. 24, 7 p., 89.

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

  10. Published

    Capillary transit time heterogeneity inhibits cerebral oxygen metabolism in patients with reduced cerebrovascular reserve capacity from steno-occlusive disease

    Vestergaard, M. B., Iversen, Helle Klingenberg, Simonsen, S. A., Lindberg, U., Cramer, S. P., Andersen, U. B. & Larsson, Henrik Bo Wiberg, 2023, In: Journal of Cerebral Blood Flow and Metabolism. 43, 3, p. 460-475 16 p.

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

  11. Published

    Implications of ACC/AHA Versus ESC/EAS LDL-C Recommendations for Residual Risk Reduction in ASCVD: A Simulation Study From DA VINCI

    Vallejo-Vaz, A. J., Bray, S., Villa, G., Brandts, J., Kiru, G., Murphy, J., Banach, M., De Servi, S., Gaita, D., Gouni-Berthold, I., Kees Hovingh, G., Jozwiak, J. J., Jukema, J. W., Gabor Kiss, R., Kownator, S., Iversen, H. K., Maher, V., Masana, L., Parkhomenko, A., Peeters, A. & 11 others, Clifford, P., Raslova, K., Siostrzonek, P., Romeo, S., Tousoulis, D., Vlachopoulos, C., Vrablik, M., Catapano, A. L., Poulter, N. R., Ray, K. K. & On behalf of the DA VINCI Study Investigators, O. B. O. T. D. V. S. I., 2023, In: Cardiovascular Drugs and Therapy. 37, 5, p. 941-953

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

  12. Published

    Quantification of Tau-A in serum after brain injury: a comparison of two analytical platforms, ELISA and electrochemiluminescence immunoassay

    Tzara, O., Amalie Simonsen, S., West, A. S., Asser Karsdal, M., Iversen, Helle Klingenberg & Henriksen, K., 2022, In: Brain Injury. 36, 6, p. 792-799 8 p.

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

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

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

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

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

  17. Published

    Nitroglycerin provocation in normal subjects is not a useful human migraine model?

    Tvedskov, Jesper Filtenborg, Iversen, Helle Klingenberg, Olesen, Jes & Tfelt-Hansen, P., Aug 2010, In: Cephalalgia : an international journal of headache. 30, 8, p. 928-32 5 p.

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

  18. Published

    Causes of Death Data in the Global Burden of Disease Estimates for Ischemic and Hemorrhagic Stroke

    Truelsen, T., Krarup, L., Iversen, Helle Klingenberg, Mensah, G. A., Feigin, V. L., Sposato, L. A. & Naghavi, M., Oct 2015, In: Neuroepidemiology. 45, 3, p. 152-60 9 p.

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

  19. Published

    Acute endovascular reperfusion treatment in patients with ischaemic stroke and large-vessel occlusion (Denmark 2011-2017)

    Truelsen, Thomas Clement, Hansen, K., Andersen, G., Sørensen, L., Madsen, C., Diaz, A., Stavngaard, T., Hundborg, H. H., Højgaard, J., Hjort, N., Iversen, Helle Klingenberg, Johnsen, S. P. & Simonsen, C. Z., Aug 2019, In: European Journal of Neurology. 26, 8, p. 1044-1050 7 p.

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

  20. Published

    Can pelvic floor muscle training improve quality of life in men with mild to moderate post‑stroke and lower urinary tract symptoms?

    Tibaek, S., Gard, G., Dehlendorff, C., Iversen, Helle Klingenberg, Biering-Sørensen, Fin & Jensen, Rigmor Højland, 2017, In: European Journal of Physical and Rehabilitation Medicine. 53, 3, p. 416-425

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

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

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

  23. Published

    Is Pelvic Floor Muscle Training Effective for Men With Poststroke Lower Urinary Tract Symptoms? A Single-Blinded Randomized, Controlled Trial

    Tibaek, S., Gard, G., Dehlendorff, Christian, Iversen, Helle Klingenberg, Biering-Sørensen, Fin & Jensen, Rigmor Højland, 2017, In: American Journal of Men's Health. 11, 5, p. 1460-1471 12 p.

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

  24. Published

    Is well-being associated with lower urinary tract symptoms in patients with stroke?

    Tibaek, S., Dehlendorff, Christian, Iversen, Helle Klingenberg, Klarskov, P., Gard, G. & Jensen, Rigmor Højland, 1 Mar 2011, In: Scandinavian Journal of Urology and Nephrology. 45, 2, p. 134-42 9 p.

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

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

  26. Published

    Lower Urinary Tract Symptoms, Erectile Dysfunction, and Quality of Life in Poststroke Men: A Controlled Cross-Sectional Study

    Tibaek, S., Gard, G., Dehlendorff, C., Iversen, Helle Klingenberg, Biering-Sørensen, Fin & Jensen, Rigmor Højland, 2017, In: American Journal of Men's Health. 11, 3, p. 748-756

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

  27. Published

    Are activity limitations associated with lower urinary tract symptoms in stroke patients? A cross-sectional, clinical survey

    Tibaek, S., Gard, G., Klarskov, P., Iversen, Helle Klingenberg, Dehlendorff, C., Jensen, Rigmor Højland, Tibæk, S., Gard, G., Klarskov, P., Iversen, H. K., Dehlendorff, C. & Jensen, Rigmor Højland, 2009, In: Scandinavian Journal of Urology and Nephrology. 43, 5, p. 383-9 6 p.

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

  28. Published

    The effect of pelvic floor muscle training on sexual function in men with lower urinary tract symptoms after stroke

    Tibaek, S., Gard, G., Dehlendorff, C., Iversen, Helle Klingenberg, Erdal, J., Biering-Sørensen, Fin, Dorey, G. & Jensen, R., 2015, In: Topics in Stroke Rehabilitation. 22, 3, p. 185-93 9 p.

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

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

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

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

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

  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 journal › Journal article › Research › peer-review

  34. Published

    Sumatriptan (Imigran) til patienter med hemiplegisk migraene?

    Thomsen, L. L., Iversen, Helle Klingenberg & Olesen, Jes, 10 Aug 1992, In: Ugeskrift for Laeger. 154, 33, p. 2271

    Research output: Contribution to journal › Journal article › Communication

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

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

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

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

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

  40. Published

    Intravenous alteplase for stroke with unknown time of onset guided by advanced imaging: systematic review and meta-analysis of individual patient data

    Thomalla, G., Boutitie, F., Ma, H., Koga, M., Ringleb, P., Schwamm, L. H., Wu, O., Bendszus, M., Bladin, C. F., Campbell, B. C. V., Cheng, B., Churilov, L., Ebinger, M., Endres, M., Fiebach, J. B., Fukuda-Doi, M., Inoue, M., Kleinig, T. J., Latour, L. L., Lemmens, R. & 31 others, Levi, C. R., Leys, D., Miwa, K., Molina, C. A., Muir, K. W., Nighoghossian, N., Parsons, M. W., Pedraza, S., Schellinger, P. D., Schwab, S., Simonsen, C. Z., Song, S. S., Thijs, V., Toni, D., Hsu, C. Y., Wahlgren, N., Aegidius, K., Christensen, Hanne Krarup, Iversen, Helle Klingenberg, Kemmling, Andre, Khan, U., Marstrand, Jacob Rørbech, Meden, Per, Møller, A., Truelsen, Thomas Clement, van Hooff, Robbert-Jan Roderick, Vestergaard, K., Anderson, C., Chang, W. H., Steiner, Thorsten & Evaluation of unknown Onset Stroke thrombolysis trials (EOS) investigators , E. O. U. O. S. T. T. (. I., 2020, In: The Lancet. 396, 10262, p. 1574-1584 11 p.

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

  41. 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 journal › Conference abstract in journal › Research › peer-review

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

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

  44. Published

    Prednisolone reduces nitric oxide-induced migraine

    Tfelt-Hansen, P., Daugaard, D., Lassen, L. H., Iversen, Helle Klingenberg & Olesen, Jes, Oct 2009, In: European journal of neurology : the official journal of the European Federation of Neurological Societies. 16, 10, p. 1106-11 6 p.

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

  45. Published

    Thrombolysis in acute ischemic stroke is associated with lower long-term hospital bed day use: A nationwide propensity score-matched follow-up study

    Terkelsen, T., Schmitz, M. L., Simonsen, C. Z., Hundborg, H. H., Christensen, Hanne Krarup, Gyllenborg, J., Sandal, B. F., Iversen, Helle Klingenberg, Madsen, C., Rasmussen, M., Vestergaard, K., Andersen, G. & Johnsen, S. P., 2016, In: International Journal of Stroke. 11, 8, p. 910-916 7 p.

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

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

  47. Published

    Long-term immune cell profiling in stroke patients with or without infections

    Sørensen, N. V., Hasseldam, Henrik, Johansen, F. F., Kristiansen, Uffe, Overgaard, K., Iversen, Helle Klingenberg & Rasmussen, Rune Skovgaard, 2024, In: International Journal of Neuroscience. 134, 2, p. 197-205

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

  48. Published

    Patent Foramen Ovale Closure or Antiplatelet Therapy for Cryptogenic Stroke

    Søndergaard, Lars, 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., Thomassen, L. & Gore REDUCE Clinical Study Investigators, G. R. C. S. I., 2017, In: New England Journal of Medicine. 377, 11, p. 1033-1042

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

  49. Published

    Renal Impairment and Risk of Acute Stroke: The INTERSTROKE Study

    Smyth, A., Judge, C., Wang, X., Pare, G., Rangarajan, S., Canavan, M., Chin, S. L., Al-Hussain, F., Yusufali, A. M., Elsayed, A., Damasceno, A., Avezum, A., Czlonkowska, A., Rosengren, A., Dans, A. L., Oguz, A., Mondo, C., Weimar, C., Ryglewicz, D., Xavier, D. & 13 others, Lanas, F., Malaga, G., Hankey, G. J., Iversen, Helle Klingenberg, Zhang, H., Yusoff, K., Pogosova, N., Lopez-Jamarillo, P., Langhorne, P., Diaz, R., Oveisgharan, S., Yusuf, S. & O'Donnell, M., 1 Jun 2021, In: Neuroepidemiology. 55, 3, p. 206-215 10 p.

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

  50. Published

    Sleep-disordered breathing and cerebral small vessel disease—acute and 6 months after ischemic stroke

    Simonsen, S. A., Andersen, A. V., West, A. S., Wolfram, F., Jennum, Poul & Iversen, Helle Klingenberg, 2022, In: Sleep and Breathing. 26, p. 1107–1113

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

  51. Published

    Is the TOAST Classification Suitable for Use in Personalized Medicine in Ischemic Stroke?

    Simonsen, S. A., West, A. S., Heiberg, A., Wolfram, F., Jennum, Poul & Iversen, Helle Klingenberg, Mar 2022, In: Journal of Personalized Medicine. 12, 3, 11 p., 496.

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

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

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

  54. Published

    Spontaneous low-frequency oscillations in cerebral vessels: applications in carotid artery disease and ischemic stroke

    Schytz, Henrik Winther, Hansson, A., Phillip, D., Selb, J., Boas, D. A., Iversen, Helle Klingenberg & dlt446, dlt446, 2010, In: Journal of Stroke & Cerebrovascular Diseases. 19, 6, p. 465-474

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

  55. Published

    Acute headache and persistent headache attributed to cervical artery dissection: Field testing of ICHD-III beta

    Schytz, H. W., dlt446, dlt446, Magyari, M., Larsen, V. A., Olesen, Jes & Iversen, Helle Klingenberg, 2014, In: Cephalalgia : an international journal of headache. 34, 9, p. 712-716 5 p.

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

  56. Published

    Statin treatment before stroke reduces pro-inflammatory cytokine levels after stroke

    Schultz, N. E. Ø., Hasseldam, Henrik, Rasmussen, Rune Skovgaard, Vindegaard, N., McWilliam, O., Iversen, Helle Klingenberg & Johansen, F. F., 2019, In: Neurological Research. 41, 4, p. 289-297 10 p.

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

  57. Published

    Acute Ischemic Stroke and Long-Term Outcome After Thrombolysis: Nationwide Propensity Score–Matched Follow-Up Study

    Schmitz, M. L., Simonsen, C. Z., Hundborg, H., Christensen, H., Ellemann, K., Geisler, K., Iversen, Helle Klingenberg, Madsen, C., Rasmussen, M., Vestergaard, K., Andersen, G. & Johnsen, S. P., Oct 2014, In: Stroke. 45, 10, p. 3070-3072 3 p.

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

  58. Published

    The angiotensin-receptor blocker candesartan for treatment of acute stroke (SCAST): a randomised, placebo-controlled, double-blind trial

    Sandset, E. C., Bath, P. M. W., Boysen, G., Jatuzis, D., Kõrv, J., Lüders, S., Murray, G. D., Richter, P. S., Roine, R. O., Terént, A., Thijs, V., Berge, E., SCAST Study Group, S. S. G. & Iversen, Helle Klingenberg, 26 Feb 2011, In: Lancet. 377, 9767, p. 741-50 10 p.

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

  59. Published

    Angiotensin receptor blockade in acute stroke. The Scandinavian Candesartan Acute Stroke Trial: rationale, methods and design of a multicentre, randomised- and placebo-controlled clinical trial (NCT00120003)

    Sandset, E. C., Murray, G., Boysen, G., Jatuzis, D., Kõrv, J., Lüders, S., Richter, P. S., Roine, R. O., Terént, A., Thijs, V., Berge, E., SCAST Study Group, S. S. G. & Iversen, Helle Klingenberg, Oct 2010, In: International journal of stroke : official journal of the International Stroke Society. 5, 5, p. 423-7 5 p.

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

  60. Published

    Importance of Rapid Clinical Recognition of the Anterior Opercular Syndrome (Foix-Chavany-Marie Syndrome): A Case Report

    Saidane, H. A., Iversen, Helle Klingenberg, Sondergaard, H. & Amin, Faisal Mohammad, Jan 2021, In: Case Reports in Neurology. 13, 1, p. 166-170 5 p.

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

  61. Published

    An Explorative Investigation of the Effect of Naturalistic Light on Agitation-Associated Behavior in Nursing Home Residents With Dementia: A Pilot Study

    Saidane, H. A., Rasmussen, T., Andersen, K., Iversen, Helle Klingenberg & West, A. S., 2023, In: Health Environments Research and Design Journal. 16, 2, p. 146-154

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

  62. Published

    Intrakranielt gigantaneurisme som årsag til epileptiske anfald

    Saidane, H. A., Iversen, Helle Klingenberg & Amin, Faisal Mohammad, 2021, In: Ugeskrift for Laeger. 183, 17, V71052.

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

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

  64. Published

    Automatic quality classification of entire electrocardiographic recordings obtained with a novel patch type recorder

    Saadi, D. B., Hoppe, K., Egstrup, K., Jennum, Poul, Iversen, Helle Klingenberg, Jeppesen, J. L. & Sorensen, H. B. D., 2014, In: Proceedings of the International Conference of the IEEE Engineering in Medicine and Biology Society . 2014, p. 5639-5642 4 p.

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

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

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

  67. Published

    Pleocytosis in cerebrospinal fluid attributed to ischemic stroke: A review of the literature

    Rundblad, L. I. S., Iversen, Helle Klingenberg & West, A. S., 2023, In: Journal of the Neurological Sciences. 449, 9 p., 120664.

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

  68. Published

    The feasibility of cross-sector videoconferences in discharge planning among stroke patients: a mixed-methods study scrutinising patient and staff perspectives

    Rosenkranz, S. H., Falster, A. A., Carstensen, T. S., Mathiesen, L. L., Iversen, Helle Klingenberg & Kimby, C. K., 2018, In: International Journal of Telemedicine and Clinical Practices. 3, 1, 44.

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

  69. Published

    Association of Psychosocial Stress with Risk of Acute Stroke

    Reddin, C., Murphy, R., Hankey, G. J., Judge, C., Xavier, D., Rosengren, A., Ferguson, J., Alvarez-Iglesias, A., Oveisgharan, S., Iversen, H. K., Lanas, F., Al-Hussein, F., Członkowska, A., Oguz, A., McDermott, C., Pogosova, N., Málaga, G., Langhorne, P., Wang, X., Wasay, M. & 2 others, Yusuf, S. & O'Donnell, M., 2022, In: JAMA network open. 5, 12, E2244836.

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

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

  71. Published

    Lemierre's syndrome with stroke and stenosis of the internal carotid artery suggesting focal vasculitis

    Rahimi, D., Langkilde, Annika Reynberg, Iversen, Helle Klingenberg & Truelsen, Thomas Clement, 2020, In: Journal of the Neurological Sciences. 409, 2 p., 116632.

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

  72. Published

    Polysomnographic indicators of mortality in stroke patients

    Ponsaing, L. B., Iversen, Helle Klingenberg & Jennum, Poul, May 2017, In: Sleep and Breathing. 21, 2, p. 235-242 8 p.

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

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

  74. Published

    Answer to "On the importance of polysomnography after stroke"

    Ponsaing, L. B., Iversen, Helle Klingenberg & Jennum, Poul, May 2017, In: Sleep and Breathing. 21, 2, p. 485

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

  75. Published

    Sleep apnea diagnosis varies with the hypopnea criteria applied

    Ponsaing, L. B., Iversen, Helle Klingenberg & Jennum, Poul, Mar 2016, In: Sleep and Breathing. 20, 1, p. 219-26 8 p.

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

  76. Published

    Sudden Bilateral Deafness in a Patient with Transient Ischemic Attack: A Case Report

    Pihl, C., Back, C., Iversen, Helle Klingenberg & Amin, Faisal Mohammad, 2021, In: Case Reports in Neurology. 13, 1, p. 119-122 4 p.

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

  77. Published

    Altered low frequency oscillations of cortical vessels in patients with cerebrovascular occlusive disease – a NIRS study

    Phillip, D., Iversen, Helle Klingenberg, Schytz, Henrik Winther, Selb, J., Boas, D. A. & dlt446, dlt446, 2013, In: Frontiers in Neurology. 4, Dec, p. 1-6 6 p., 204.

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

  78. Published

    Spontaneous Low Frequency Oscillations in Acute Ischemic Stroke – A Near Infrared Spectroscopy (NIRS) Study

    Phillip, D., Schytz, H. W., Iversen, Helle Klingenberg, Selb, J., Boas, D. A. & dlt446, dlt446, 2014, In: Journal of Neurology & Neurophysiology. 5, 6, p. 1-5 5 p., 1000241.

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

  79. Published

    Low frequency oscillations in cephalic vessels assessed by near infrared spectroscopy

    Phillip, D., Schytz, Henrik Winther, Selb, J., Payne, S., Iversen, Helle Klingenberg, Skovgaard, Lene Theil, Boas, D. A. & dlt446, dlt446, Nov 2012, In: European Journal of Clinical Investigation. 42, 11, p. 1180-8 9 p.

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

  80. Published

    Motor Imagery based Brain Computer Interface Paradigm for Upper Limb Stroke Rehabilitation

    Petersen, J., Iversen, Helle Klingenberg & Puthusserypady, S., 2018, 40th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC 2018. IEEE, p. 1960-1963 4 p. 8512615. (Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS, Vol. 2018-July).

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

  81. Published

    Automatic detection of abnormal sleeping patterns in stroke patients using high-frequency sleep staging

    Perslev, Mathias, West, A. S., Simonsen, S. A., Ponsaing, L. B., Iversen, Helle Klingenberg, Igel, Christian & Jennum, Poul, 2022, In: Journal of Sleep Research. 31, S1, 1 p.

    Research output: Contribution to journal › Conference abstract in journal › Research

  82. Published

    Association of Lipids, Lipoproteins, and Apolipoproteins with Stroke Subtypes in an International Case Control Study (INTERSTROKE)

    O’Donnell, M. J., McQueen, M., Sniderman, A., Pare, G., Wang, X., Hankey, G. J., Rangarajan, S., Chin, S. L., Rao-Melacini, P., Ferguson, J., Xavier, D., Lisheng, L., Zhang, H., Pais, P., Lopez-Jaramillo, P., Damasceno, A., Langhorne, P., Rosengren, A., Dans, A. L., Elsayed, A. & 25 others, Avezum, A., Mondo, C., Judge, C., Diener, H., Ryglewicz, D., Czlonkowska, A., Pogosova, N., Weimar, C., Iqbal, R., Diaz, R., Yusoff, K., Yusufali, A., Oguz, A., Penaherrera, E., Lanas, F., Ogah, O. S., Ogunniyi, A., Iversen, Helle Klingenberg, Malaga, G., Rumboldt, Z., Oveisgharan, S., Hussain, F. A., Nilanont, Y., Yusuf, S. & INTERSTROKE investigators, I. I., 2022, In: Journal of Stroke. 24, 2, p. 224-235 12 p.

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

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

  84. Published

    Timing and topography of cerebral blood flow, aura, and headache during migraine attacks

    Olesen, Jes, Friberg, L., Olsen, T. S., Iversen, Helle Klingenberg, Lassen, N. A., Andersen, A. R. & Karle, A., Dec 1990, In: Annals of Neurology. 28, 6, p. 791-8 8 p.

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

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

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

  87. Published

    Risk factors for ischaemic and intracerebral haemorrhagic stroke in 22 countries (the INTERSTROKE study): a case-control study

    O'Donnell, M. J., Xavier, D., Liu, L., Zhang, H., Chin, S. L., Rao-Melacini, P., Rangarajan, S., Islam, S., Pais, P., McQueen, M. J., Mondo, C., Damasceno, A., Lopez-Jaramillo, P., Hankey, G. J., Dans, A. L., Yusoff, K., Truelsen, T., Diener, H-C., Sacco, R. L., Ryglewicz, D. & 6 others, Czlonkowska, A., Weimar, C., Wang, X., Yusuf, S., INTERSTROKE investigators, I. I. & Iversen, Helle Klingenberg, 10 Jul 2010, In: Lancet. 376, 9735, p. 112-23 12 p.

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

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

  89. Published

    Variations in knowledge, awareness and treatment of hypertension and stroke risk by country income level

    O'Donnell, M., Hankey, G. J., Rangarajan, S., Chin, S. L., Rao-Melacini, P., Ferguson, J., Xavier, D., Lisheng, L., Zhang, H., Pais, P., Lopez-Jaramillo, P., Damasceno, A., Langhorne, P., Rosengren, A., Dans, A. L., Elsayed, A., Avezum, A., Mondo, C., Smyth, A., Judge, C. & 23 others, Diener, H. C., 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., Alhussain, F., Daliwonga, M., Nilanont, Y. & Yusuf, S., 1 Feb 2021, In: Heart. 107, 4, p. 282-289 8 p.

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

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

  91. 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 journal › Comment/debate › Research › peer-review

  92. Published

    Assymetry of temporal artery diameters during spontaneous attacks of cluster headache

    Nielsen, T. H., Tfelt-Hansen, P. & Iversen, Helle Klingenberg, 2009, In: Headache. 49, 3, p. 383-5 2 p.

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

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

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

  95. Published

    Apopleksibehandling--et samarbejde mellem neurologisk og geriatrisk afdeling. Dansk Selskab for Geriatri

    Mortensen, T. M., Iversen, Helle Klingenberg, Pedersen, K. D., Hansen, F. R. & Andersen, A. R., 19 Mar 2001, In: Ugeskrift for Laeger. 163, 12, p. 1695

    Research output: Contribution to journal › Journal article › Communication

  96. Published

    Vorapaxar in the secondary prevention of atherothrombotic events

    Morrow, D. A., Braunwald, E., Bonaca, M. P., Ameriso, S. F., Dalby, A. J., Fish, M. P., Fox, K. A. A., Lipka, L. J., Liu, X., Nicolau, J. C., Ophuis, A. J. O., Paolasso, E., Scirica, B. M., Spinar, J., Theroux, P., Wiviott, S. D., Strony, J., Murphy, S. A., TRA 2P–TIMI 50 Steering Committee and Investigators, T. 2. 5. S. C. A. I. & Iversen, Helle Klingenberg, 12 Apr 2012, In: New England Journal of Medicine. 366, 15, p. 1404-13 10 p.

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

  97. Published

    Trombolyse ved iskaemisk apopleksi

    Modrau, B., Vestergaard, K., Iversen, Helle Klingenberg, Homburg, A. F., Boysen, G. & Andersen, G., 1 Oct 2007, In: Ugeskrift for Laeger. 169, 40, p. 3383-5 3 p.

    Research output: Contribution to journal › Journal article › Communication

  98. Published

    Incidence of stroke, transient ischaemic attack and determinants of poststroke mortality among immigrants in Denmark, 2004-2018: A population-based cohort study

    Mkoma, G. F., Johnsen, S. P., Iversen, Helle Klingenberg, Andersen, G. & Nørredam, Marie Louise, 2021, In: BMJ Open. 11, 10, e049347.

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

  99. Published

    Ethnic differences in incidence and mortality of stroke in Denmark

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

    Research output: Contribution to conference › Conference abstract for conference › Research › peer-review

  100. Published

    Processes of care and associated factors in patients with stroke by immigration status

    Mkoma, G. F., Johnsen, S. P., Agyemang, C., Hedegaard, J. N., Iversen, Helle Klingenberg, Andersen, G. & Nørredam, Marie Louise, 2022, In: Medical Care. 3, 10 p.

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

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