Birger Johnsen

2025

Electrodiagnostic criteria for neuromuscular transmission disorders suggested by a European consensus group

Tankisi, H., Pugdahl, K., Johnsen, B., Camdessanché, J. P., de Carvalho, M., Fawcett, P., Labarre-Vila, A., Liguori, R., Nix, W., Schofield, I. & Fuglsang-Frederiksen, A., Jan 2025, In: Clinical Neurophysiology Practice. 10, p. 79-83 5 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

Open Access

2024

EEG for good outcome prediction after cardiac arrest: A multicentre cohort study

the TTM2-trial investigators, Sept 2024, In: Resuscitation. 202, 110319.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

Open Access

3 Citations (Scopus)

EEG Frequency Correlates with α₂-Receptor Density in Parkinson’s Disease

Kemp, A. F., Kinnerup, M., Johnsen, B., Jakobsen, S., Nahimi, A. & Gjedde, A., Feb 2024, In: Biomolecules. 14, 2, 209.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

Open Access

2023

Cortical somatosensory evoked potential amplitudes and clinical outcome after cardiac arrest: a retrospective multicenter study

Aalberts, N., Westhall, E., Johnsen, B., Hahn, K., Kenda, M., Cronberg, T., Friberg, H., Preuß, S., Ploner, C. J., Storm, C., Nee, J., Leithner, C. & Endisch, C., Dec 2023, In: Journal of Neurology. 270, 12, p. 5999-6009 11 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

Open Access

File

5 Citations (Scopus)

4 Downloads (Pure)

Nonkonvulsiv status epilepticus efter elektrokonvulsiv terapi

Translated title of the contribution: Non-convulsive status epilepticus after electroconvulsive therapyJensen, S. S., Christensen, J., Johnsen, B. & Hjerrild, S., 27 Feb 2023, In: Ugeskrift for laeger. 185, 14, p. 1346-1347 2 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

2022

Accurate identification of EEG recordings with interictal epileptiform discharges using a hybrid approach: Artificial intelligence supervised by human experts

Kural, M. A., Jing, J., Fürbass, F., Perko, H., Qerama, E., Johnsen, B., Fuchs, S., Westover, M. B. & Beniczky, S., May 2022, In: Epilepsia. 63, 5, p. 1064-1073 10 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

Open Access

File

35 Citations (Scopus)

25 Downloads (Pure)

Common patterns of EEG reactivity in post-anoxic coma identified by quantitative analyses

Johnsen, B., Jeppesen, J. & Duez, C. H. V., Oct 2022, In: Clinical Neurophysiology. 142, p. 143-153 11 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

Open Access

File

5 Citations (Scopus)

44 Downloads (Pure)

Comparison of ultrasound with electrodiagnosis of scapular winging: a prospective case control study

Bak, S. S., Johnsen, B., Fuglsang-Frederiksen, A., Døssing, K. V. & Qerama, E., Jan 2022, In: Clinical Neurophysiology. 133, p. 48-57 10 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

Open Access

File

3 Citations (Scopus)

37 Downloads (Pure)

2021

Automatic continuous EEG signal analysis for diagnosis of delirium in patients with sepsis

Urdanibia-Centelles, O., Nielsen, R. M., Rostrup, E., Vedel-Larsen, E., Thomsen, K., Nikolic, M., Johnsen, B., Møller, K., Lauritzen, M. & Benedek, K., Sept 2021, In: Clinical Neurophysiology. 132, 9, p. 2075-2082 8 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

11 Citations (Scopus)

Gold Coast diagnostic criteria increase sensitivity in amyotrophic lateral sclerosis

Pugdahl, K., Camdessanché, J. P., Cengiz, B., de Carvalho, M., Liguori, R., Rossatto, C., Oliveira Santos, M., Vacchiano, V. & Johnsen, B., Dec 2021, In: Clinical Neurophysiology. 132, 12, p. 3183-3189 7 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

Open Access

File

44 Citations (Scopus)

116 Downloads (Pure)

Neuromuscular ultrasound of the scapular stabilisers in healthy subjects

Silkjær Bak, S., Johnsen, B., Fuglsang-Frederiksen, A., Døssing, K. & Qerama, E., Jan 2021, In: Clinical Neurophysiology Practice. 6, p. 72-80 9 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

Open Access

4 Citations (Scopus)

Neuromuscular ultrasound of the scapular stabilizers in healthy subjects

Bak, S. S., Johnsen, B., Fuglsang-Frederiksen, A., Døssing, K. V. & Qerama, E., Feb 2021, In: Clinical Neurophysiology Practice.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

The influence of the abundance and morphology of epileptiform discharges on diagnostic accuracy: How many spikes you need to spot in an EEG

Kural, M. A., Qerama, E., Johnsen, B., Fuchs, S. & Beniczky, S., Jul 2021, In: Clinical Neurophysiology. 132, 7, p. 1543-1549

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

8 Citations (Scopus)

2019

Diagnostic criteria for amyotrophic lateral sclerosis: A multicentre study of inter-rater variation and sensitivity

Johnsen, B., Pugdahl, K., Fuglsang-Frederiksen, A., Kollewe, K., Paracka, L., Dengler, R., Camdessanché, J. P., Nix, W., Liguori, R., Schofield, I., Maderna, L., Czell, D., Neuwirth, C., Weber, M., Drory, V. E., Abraham, A., Swash, M. & de Carvalho, M., Feb 2019, In: Clinical Neurophysiology. 130, 2, p. 307-314 8 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

53 Citations (Scopus)

Post resuscitation prognostication by EEG in 24 vs 48 h of targeted temperature management

Valdemar Duez, C. H., Johnsen, B., Ebbesen, M. Q., Kvaløy, M. B., Grejs, A. M., Jeppesen, A. N., Søreide, E., Nielsen, J. F. & Kirkegaard, H., Feb 2019, In: Resuscitation. 135, p. 145-152 8 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

32 Citations (Scopus)

2018

Large inter-rater variability on EEG-reactivity is improved by a novel quantitative method

Duez, C. H. V., Ebbesen, M. Q., Benedek, K., Fabricius, M., Atkins, M. D., Beniczky, S., Kjaer, T. W., Kirkegaard, H. & Johnsen, B., Apr 2018, In: Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology. 129, 4, p. 724-730 7 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

37 Citations (Scopus)

Noradrenergic deficits in Parkinson's disease imaged with (11)C-MeNER

Nahimi, A., Sommerauer, M., Kinnerup, M. B., Østergaard, K., Winterdahl, M., Jacobsen, J., Schacht, A., Johnsen, B., Damholdt, M. F., Borghammer, P. & Gjedde, A., 1 Apr 2018, In: Journal of Nuclear Medicine. 59, 4, p. 659-664 6 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

48 Citations (Scopus)

2017

Added value of electromyography in the diagnosis of myopathy: A consensus exercise

Pugdahl, K., Johnsen, B., Tankisi, H., Camdessanche, J.-P., Carvalho, M. D., Fawcett, P. R. W., Labarre-Vila, A., Liguori, R., Nix, W., Schofield, I. & Fuglsang-Frederiksen, A., 1 May 2017, In: Clinical Neurophysiology. 128, 5, p. 697-701 5 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

10 Citations (Scopus)

Functional and structural assessment of patients with and without persistent pain after thoracotomy

Springer, J., Karlsson, P., Madsen, C. S., Johnsen, B., Finnerup, N. B., Jensen, T. S. & Nikolajsen, L., 1 Feb 2017, In: European journal of pain (London, England). 21, 2, p. 238-249 12 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

7 Citations (Scopus)

Neurophysiological localisation of ulnar neuropathy at the elbow: validation of diagnostic criteria developed by a taskforce of the Danish Society of Clinical Neurophysiology

Pugdahl, K., Beniczky, S., Wanscher, B., Johnsen, B., Qerama, E., Ballegaard, M., Benedek, K., Juhl, A., Ööpik, M., Selmar, P. E., Sønderborg, J., Terney, D. & Fuglsang-Frederiksen, A., Nov 2017, In: Clinical Neurophysiology. 128, 11, p. 2205-2210 6 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

Quantitative Sensory Testing and Structural Assessment of Sensory Nerve Fibres in Amyotrophic Lateral Sclerosis

Isak, B., Pugdahl, K., Karlsson, P., Tankisi, H., Finnerup, N. B., Furtula, J., Johnsen, B., Sunde, N., Jakobsen, J. K. & Fuglsang-Frederiksen, A., 15 Feb 2017, In: Journal of the Neurological Sciences. 373, p. 329-334 6 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

32 Citations (Scopus)

Reversible median nerve impairment after three weeks of repetitive work

Tabatabaeifar, S., Svendsen, S. W., Johnsen, B., Hansson, G.-Å., Fuglsang-Frederiksen, A. & Frost, P., 1 Mar 2017, In: Scandinavian Journal of Work, Environment & Health. 43, 2, p. 163-170 8 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

Open Access

9 Citations (Scopus)

The Nature of EEG reactivity to light, sound and pain stimulation in neurosurgical comatose patients evaluated by a quantitative method

Johnsen, B., Backman Nøhr , K., Duez, C. H. V. & Ebbesen, M. Q., 1 Nov 2017, In: Clinical E E G and Neuroscience. 48, 6, p. 428-437 10 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

17 Citations (Scopus)

2016

Contact Heat Evoked Potentials (CHEPs) in Patients with Mild-Moderate Alzheimer's Disease and Matched Control-A Pilot Study

Jensen-Dahm, C., Madsen, C. S., Waldemar, G., Ballegaard, M., Hejl, A.-M., Johnsen, B. & Jensen, T. S., 1 Apr 2016, In: Pain Medicine. 17, 4, p. 675-684 10 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

13 Citations (Scopus)

Involvement of distal sensory nerves in amyotrophic lateral sclerosis

Isak, B., Tankisi, H., Johnsen, B., Pugdahl, K., Møller, A. T., Finnerup, N. B., Christensen, P. B. & Fuglsang-Frederiksen, A., 1 Dec 2016, In: Muscle & Nerve. 54, 6, p. 1086-1092 7 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

41 Citations (Scopus)

Laser and Somatosensory Evoked Potentials in Amyotrophic Lateral Sclerosis

Isak, B., Tankisi, H., Johnsen, B., Pugdahl, K., Finnerup, N. B. & Fuglsang-Frederiksen, A., 1 Oct 2016, In: Clinical Neurophysiology. 127, 10, p. 3322-3328 7 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

21 Citations (Scopus)

2015

High resolution ultrasound in ulnar neuropathy at the elbow - a prospective study

Ellegaard, H. R., Fuglsang-Frederiksen, A., Hess, A., Johnsen, B. & Qerama, E., 2 Jul 2015, In: Muscle & Nerve. 52, 5, p. 759-766

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

38 Citations (Scopus)

2014

Beyond the double banana: improved recognition of temporal lobe seizures in long-term EEG

Rosenzweig, I., Fogarasi, A., Johnsen, B., Alving, J., Fabricius, M. E., Scherg, M., Neufeld, M. Y., Pressler, R., Kjaer, T. W., van Emde Boas, W. & Beniczky, S., Feb 2014, In: Journal of Clinical Neurophysiology. 31, 1, p. 1-9 9 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

44 Citations (Scopus)

Kontinuerlig EEG-monitorering på intensivafdeling

Fabricius, M. & Johnsen, B., 2014, (E-pub / Early view) In: Ugeskrift for Læger.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research

Navigated trancranial magnetic stimulation in amyotrophic lateral sclerosis

Blicher, J. U., Johnsen, B., Tankisi, H., Hess, A. & Fuglsang-Frederiksen, A., 11 Nov 2014, In: Muscle & Nerve. 51, 2, p. 305 1 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

1 Citation (Scopus)

Reply: lifestyle risk factors for ulnar neuropathy and ulnar neuropathy-like symptoms

Frost, P., Johnsen, B., Fuglsang-Frederiksen, A. & Svendsen, S. W., Apr 2014, In: Muscle & Nerve. 49, 4, p. 618-9 2 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research

2013

Differential Effects of a 5% lidocaine medicated patch in peripheral nerve injury

Madsen, C. S., Johnsen, B., Fuglsang-Frederiksen, A., Jensen, T. S. & Finnerup, N. B., 2013, In: Muscle & Nerve. 48, 2, p. 265-271 7 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

11 Citations (Scopus)

Lifestyle risk factors for ulnar neuropathy and ulnar neuropathy-like symptoms

Frost, P., Johnsen, B., Fuglsang-Frederiksen, A. & Svendsen, S. W., Oct 2013, In: Muscle & Nerve. 48, 4, p. 507-515 9 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

38 Citations (Scopus)

MUNIX and incremental stimulation MUNE in ALS patients and control subjects

Furtula, J., Johnsen, B., Christensen, P. B., Pugdahl, K., Bisgaard, C., Christensen, M.-K., Arentsen, J., Frydenberg, M. & Fuglsang-Frederiksen, A., Mar 2013, In: Clinical Neurophysiology. 124, 3, p. 610-618

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

64 Citations (Scopus)

Prognosis of ulnar neuropathy and ulnar neuropathy-like symptoms in relation to occupational biomechanical exposures and lifestyle

Svendsen, S. W., Johnsen, B., Fuglsang-Frederiksen, A. & Frost, P., 1 Sept 2013, In: Scandinavian Journal of Work, Environment & Health. 39, 5, p. 506-14 9 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

16 Citations (Scopus)

Upper motor neuron involvement in amyotrophic lateral sclerosis evaluated by triple stimulation technique and diffusion tensor MRI

Furtula, J., Johnsen, B., Frandsen, J., Rodell, A. B., Christensen, P. B., Pugdahl, K. & Fuglsang-Frederiksen, A., 2013, In: Journal of Neurology. 260, p. 1535-1544

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

21 Citations (Scopus)

2012

Correlation between compound muscle action potential amplitude and duration in axonal and demyelinating polyneuropathy

Tankisi, H., Otto, M., Pugdahl, K., Johnsen, B. & Fuglsang-Frederiksen, A., 2012, In: Clinical Neurophysiology. 123, 10, p. 2099-105 7 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

11 Citations (Scopus)

Increased contact heat pain and shortened latencies of contact heat evoked potentials following capsaicin-induced heat hyperalgesia

Madsen, C. S., Johnsen, B., Fuglsang-Frederiksen, A., Jensen, T. S. & Finnerup, N. B., 2012, In: Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology. 123, 7, p. 1429-1436

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

36 Citations (Scopus)

The effect of nerve compression and capsaicin on contact heat-evoked potentials related to Aδ- and C-fibers

Madsen, C. S., Johnsen, B., Fuglsang-Frederiksen, A., Jensen, T. S. & Finnerup, N. B., 2012, In: Neuroscience. 223, p. 92-101 10 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

24 Citations (Scopus)

Ulnar neuropathy and ulnar neuropathy-like symptoms in relation to biomechanical exposures assessed by a job exposure matrix: a triple case-referent study

Svendsen, S. W., Johnsen, B., Fuglsang-Frederiksen, A. & Frost, P., 2012, In: Occupational & Environmental Medicine. 69, 11, p. 773-80

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

47 Citations (Scopus)

2011

Impact of medical audit on electrodiagnostic medicine in polyneuropathy

Pugdahl, K., Fuglsang-Frederiksen, A., Tankisi, H., Johnsen, B., de Carvalho, M., Fawcett, P. R. W., Labarre-Vila, A., Liguori, R., Nix, W. & Schofield, I. S., Dec 2011, In: Clinical Neurophysiology. 122, p. 2523 2539 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

3 Citations (Scopus)

2010

Variation in the neurophysiological examination of amyotrophic lateral sclerosis in Europe

Pugdahl, K., Fuglsang-Frederiksen, A., Johnsen, B., Tankisi, H., de Carvalho, M., Fawcett, P. R. W., Labarre-Vila, A., Liguori, R., Nix, W. & Schofield, I. S., 2010, In: Amyotrophic Lateral Sclerosis. 11, 5, p. 443-8 5 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

5 Citations (Scopus)

2008

A prospective multicentre study on sural nerve action potential in ALS

Pugdahl, K., Fuglsang-Frederiksen, A., Johnsen, B., de Carvalho, M., Fawcett, P. R. W., Labarre-Vila, A., Rocco, L., Nix, W. A. & Ian S., S., 2008, In: Clinical Neurophysiology. 119, p. 1106-1110 5 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

26 Citations (Scopus)

Ny diagnostik af neuromuskulære sygdomme: Dansk Selskab for Klinisk Neurofysiologi

Crone, C., Andersen, B., Krarup, C. & Johnsen, B., 17 Mar 2008, In: Ugeskrift for Læger. 170, p. 1042

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Communication

2007

Correlations of nerve conduction measures in axonal and demyelinating polyneuropathies

Tankisi, H., Pugdahl, K., Johnsen, B. & Fuglsang-Frederiksen, A., 2007, In: Clinical Neurophysiology. 118, 11, p. 2383-2392

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

63 Citations (Scopus)

Debat om elektrofysiologi ved armsmerter hilses velkommen: Vil det nuværende faglige niveau kunne opretholdes?

Johnsen, B., Crone, C. & Fabricius, M. E., 26 Nov 2007, In: Ugeskrift for Læger. 169, 48, p. 4187 1 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Communication

Generalised sensory system abnormalities in amyotrophic lateral sclerosis: a European multicentre study

Pugdahl, K., Fuglsang-Frederiksen, A., de Carvalho, M., Johnsen, B., Fawcett, P., Labarre-Vila, A., Liguori, R., Nix, W. & Schofield, I., 2007, In: J. Neurol. Neurosurg. Psychiatry. 78, p. 746-749

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

129 Citations (Scopus)

Neurofysiologisk monitorering: Dansk Selskab for Klinisk Neurofysiologi

Johnsen, B., Kjær, T. W. & Fabricius, M. E., 19 Mar 2007, In: Ugeskrift for Læger. 169, 12, p. 1116 1 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research

2006

Amplitude, area and duration of the compound muscle action potential change in different ways over the length of the ulnar nerve

Johnsen, B., Fuglsang-Frederiksen, A., de Carvalho, M., Labarre-Vila, A., Nix, W. & Schofield, I., 2006, In: Clinical Neurophysiology. 117, p. 2085-92 7 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

23 Citations (Scopus)

A multicenter study on sensory potentials in amyotrophic lateral sclerosis

Pugdahl, K., de Carvalho, M., Fuglsang-Frederiksen, A., Johnsen, B., Fawcett, P., Labarre-Vila, A., Liguori, R., Nix, W. & Schofield, I., 2006, In: Clinical Neurophysiology. 117, Supplement 1, p. S168-S169 2 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

Birger Johnsen

Research output

Search results