Helle Klingenberg Iversen

Helle Klingenberg Iversen

Clinical Associate Professor

Member of:

  • Neurology


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  1. 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

  2. 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

  3. 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

  4. 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

  5. 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

  6. 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

  7. 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

  8. 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

  9. 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

  10. 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

  11. 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

  12. 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

  13. 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

  14. 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

  15. 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

  16. 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

  17. 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

  18. 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

  19. 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

  20. 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

  21. 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

  22. 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

  23. 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

  24. 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

  25. 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

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ID: 47983134