Birger Johnsen

Research output

Research output per year 1999 2005 2006 2010 2014 2016 2017 2018 2024

• 54 Journal article
• 29 Conference abstract in journal
• 5 Conference abstract in proceedings
• 4 Poster
• 9 More
  • 3 Book chapter
  • 3 Conference abstract for conference
  • 1 Conference article
  • 1 Editorial
  • 1 Review

Research output per year

Research output per year

Search results

• 2019

  O-32 Optimising diagnostic criteria for ulnar neuropathy at the elbow

  Pugdahl, K., Beniczky, S., Tankisi, H., Johnsen, B., Qerama, E., Otto, M., Fuchs, J. S. & Fuglsang-Frederiksen, A., 1 Jul 2019, In: Clinical Neurophysiology. 130, 7, p. e32

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

• O-39 High resolution ultrasound of scapula alata – a prospective case control study

  Bak, S. S., Johnsen, B., Døssing, K. V., Fuglsang-Frederiksen, A. & Qerama, E., 1 Jul 2019, In: Clinical Neurophysiology. 130, 7, p. e34

  Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Conference abstract in journal › Research › peer-review
• 2018

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

  Pugdahl, K., Johnsen, B., Tankisi, H., Camdessanché, J.-P., Carvalho, M. D., Fawcett, P., Labarre-Vila, A., Rocco, L., Nix, W., Schofield, I. & Fuglsang-Frederiksen, A., 10 May 2018, In: Clinical Neurophysiology. 129, supplement 1, p. e15 T37.

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

• Large inter-rater variation on revised El Escorial and Awaji diagnostic criteria for amyotrophic lateral sclerosis

  Johnsen, B., Pugdahl, K., Fuglsang-Frederiksen, A., Kollewe, K., Paracka, L., Dengler, R., Camdessanché, J.-P., Nix, W., Rocco, L., Schofield, I., Maderna, L., Czell, D., Neuwirth, C., Weber, M., Drory, V., Avraham, A. & Carvalho, M. D., 10 May 2018, In: Clinical Neurophysiology. 129, Supplement 1, p. e223 Platform Session - Electromyography.

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

• The kind of EEG reactivity assessed by quantitative analyses may predict good and poor outcome in neurosurgical comatose patients

  Johnsen, B., Duez, C. H. V. & Ebbesen, M. Q., 10 May 2018, In: Clinical Neurophysiology. 129, Supplement 1, p. e28 T68.

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

• The prognostic value of median nerve SSEP after cardiac arrest: Evaluation of severity of hypoxic-ischemic encephalopathy by brain autopsies

  Endisch, C., Westhall, E., Johnsen, B., Storm, C., Ploner, C. J., Cronberg, T., Englund, E. & Leitner, C., 10 May 2018, In: Clinical Neurophysiology. 129, Supplement 1, p. e107 F108.

  Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Conference abstract in journal › Research › peer-review
• 2017

  Large inter- and intra-rater variation on diagnostic criteria for amyotrophic lateral sclerosis

  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., Abraham, A. & de Carvalho, M., Sept 2017, In: Clinical Neurophysiology. 128, 9, p. e209-210

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

• 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., Qerama, E., Johnsen, B., Ballegaard, M., Benedek, K., Sønderborg, J. & Fuglsang-Frederiksen, A., Sept 2017, In: Clinical Neurophysiology. 128, 9, p. e219-220 6 p.

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

  • Diagnosis 100%
  • Cubital Tunnel Syndrome 100%
  • Clinical Neurophysiology 100%
  • Elbow 100%
  • Peripheral Neuropathy 100%

• Peak ratio and motor unit potential analyses in detection of chronic neurogenic changes in amyotrophic lateral sclerosis

  Tankisi, H., Pugdahl, K., Johnsen, B., Cengiz, B., Camdessanché, J.-P. & de Carvalho, M., Sept 2017, In: Clinical Neurophysiology. 128, 9, p. e187

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

• Sensory conduction slowing does not precede motor slowing in the development of mild carpal tunnel syndrome

  Johnsen, B., Tabatabaeifar, S., Svendsen, S. W., Frost, P. & Fuglsang-Frederiksen, A., Sept 2017, In: Clinical Neurophysiology. 128, 9, p. e217

  Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Conference abstract in journal › Research › peer-review
• 2016

  Acute and chronic electromyographic findings related to survival in amyotrophic lateral sclerosis

  Johnsen, B., Suhak, N., Pugdahl, K. & Fuglsang-Frederiksen, A., Feb 2016, In: Clinical Neurophysiology. 127, 3, p. e107

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

• Comparison of surface recording and near nerve technique in diagnosis and localization of ulnar nerve entrapment neuropathy

  Fuchs, J. S., Otto, M., Qerama, E., Beniczky, S., Johnsen, B., Fuglsang-Frederiksen, A. & Tankisi, H., Feb 2016, In: Clinical Neurophysiology. 127, 3, p. e128

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

• Impact and added value of electrodiagnosis in neuromuscular disorders

  Pugdahl, K., Johnsen, B., Qerama, E., Beniczky, S., Wanscher, B., Benedek, K., Ballegaard, M., La Cour, C. D., Terney, D., Sønderborg, J. & Fuglsang-Frederiksen, A., Feb 2016, In: Clinical Neurophysiology. 127, 3, p. e91

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

• Involvement of A-beta sensory fibres in amyotrophic lateral sclerosis

  Isak, B., Tankisi, H., Johnsen, B., Pugdahl, K., Finnerup, N. B., Møller, A. T., Christensen, P. B. & Fuglsang-Frederiksen, A., Feb 2016, In: Clinical Neurophysiology. 127, 3, p. e108

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

• Involvement of A-delta sensory fibres in amytrophic lateral sclerosis

  Isak, B., Tankisi, H., Johnsen, B., Pugdahl, K., Finnerup, N. B., Christensen, P. B. & Fuglsang-Frederiksen, A., Feb 2016, In: Clinical Neurophysiology. 127, 3, p. e114

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

• Quantitative EEG-reactivity to different stimulation methods in comatose patients

  Ebbesen, M. Q. & Johnsen, B., Feb 2016, In: Clinical Neurophysiology. 127, 3, p. e37

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

• Quantitative MUP and Peak Ratio Analysis in Diagnosis of Myopathy

  Kural, M. A., Fuglsang-Frederiksen, A., Johnsen, B. & Tankisi, H., Feb 2016, In: Clinical Neurophysiology. 123, 3, p. e35

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

• The most sensitive nerves and parameters in electrodiagnosis og polyneuropathies

  Jacobsen, A. B., Fuglsang-Frederiksen, A., Johnsen, B., Pugdahl, K., Beniczky, S., Duez, L. & Tankisi, H., Feb 2016, In: Clinical Neurophysiology. 127, 3, p. e36

  Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Conference abstract in journal › Research › peer-review
• 2014

  MUNIX, MUAP analysis, and peak-ratio analysis in the biceps brachii muscle in anterior horn cell disorders

  Johnsen, B., Thomsen, J. L. S., Furtula, J., Isak, B., Tankisi, H., Pugdahl, K. & Fuglsang-Frederiksen, A., Jun 2014, In: Clinical Neurophysiology. 125, S1, p. S166

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

  22 Citations (Scopus)

• Quantitative EEG reactivity in comatose neurosurgical patients

  Nøhr, K. B., Fuglsang-Frederiksen, A. & Johnsen, B., Jun 2014, In: Clinical Neurophysiology. 125, S1, p. S175

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

• Value of EMG in myopathy

  Pugdahl, K., Johnsen, B., Tankisi, H., Camdessanche, J.-P., de Carvalho, M., Fawcett, P., Liguori, R., Labarre-Vila, A., Nix, W., Schofield, I. & Fuglsang-Frederiksen, A., Jun 2014, In: Clinical Neurophysiology. 125, S1, p. S209

  Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Conference abstract in journal › Research › peer-review
• 2010

  Description of 584 ulnar nerve lesions examined with near-nerve technique including guidelines for localisation based on electrophysiological findings

  Johnsen, B., Svendsen, S. W., Frost, P. & Fuglsang-Frederiksen, A., 2010, In: Clinical Neurophysiology. S1, p. S115

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

• Effect of continuing medical audit on electrodiagnostic criteria in polyneuropathy

  Pugdahl, K., Tankisi, H., Fuglsang-Frederiksen, A. & Johnsen, B., 2010, In: Clinical Neurophysiology. S1, p. S108

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

• Is there a reverse correlation between distal CMAP amplitude and duration in axonal and demyelinating polyneuropathies?

  Tankisi, H., Otto, M., Otto, M., Pugdahl, K., Johnsen, B. & Fuglsang-Frederiksen, A., 2010, In: Clinical Neurophysiology. S1, p. S175

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

• Quantitative sensory testing in amyotrophic lateral sclerosis

  Pugdahl, K., Furtula, J., Finnerup, N. B., Johnsen, B. & Fuglsang-Frederiksen, A., 2010, In: Clinical Neurophysiology. S1, p. S143

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

• Triple stimulation technique applied on ALS patients and control subjects

  Furtula, J., Johnsen, B., Fuglsang-Frederiksen, A. & Pugdahl, K., Oct 2010, In: Clinical Neurophysiology. 121, S1

  Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Conference abstract in journal › Research › peer-review
• 2008

  EMG findings in axonal and demyelinating polyneuropathies: A multicenter study

  Tankisi, H., Pugdahl, K., Fuglsang-Frederiksen, A., Johnsen, B., de Carvalho, M., Fawcett, P., Labarre-Vila, A., Liguori, R., Nix, W. & Schofield, I., 2008, In: Clinical Neurophysiology. S1, p. S41-S41 1 p.

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

• Intraoperative monitoring of motor evoked potentials reduces the incidence of paraplegia after thoraco-abdominal aortic aneurysm surgery

  Johnsen, B., Melsen, N. C., Jensen, B. S. & Laustsen, J., 2008, In: Clinical Neurophysiology. S1, p. S116-S116 1 p.

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

• Neurophysiological examination of patients with myopathy: A European multicentre study

  Pugdahl, K., Tankisi, H., Fuglsang-Frederiksen, A., Johnsen, B., de Carvalho, M., Fawcett, P., Labarre-Vila, A., Liguori, R., Nix, W. & Schofield, I., 2008, In: Clinical Neurophysiology. S1, p. S16-S16 1 p.

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