Birger Johnsen
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Explore the profile of Birger Johnsen including associated specialties, affiliations and a list of published articles.
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41
Citations
271
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Recent Articles
1.
Kemp A, Kinnerup M, Johnsen B, Jakobsen S, Nahimi A, Gjedde A
Biomolecules
. 2024 Feb;
14(2).
PMID: 38397446
Introduction: Increased theta and delta power and decreased alpha and beta power, measured with quantitative electroencephalography (EEG), have been demonstrated to have utility for predicting the development of dementia in...
2.
Aalberts N, Westhall E, Johnsen B, Hahn K, Kenda M, Cronberg T, et al.
J Neurol
. 2023 Aug;
270(12):5999-6009.
PMID: 37639017
Objective: Bilaterally absent cortical somatosensory evoked potentials (SSEPs) reliably predict poor outcome in comatose cardiac arrest (CA) patients. Cortical SSEP amplitudes are a recent prognostic extension; however, amplitude thresholds, inter-recording,...
3.
Johnsen B, Jeppesen J, Duez C
Clin Neurophysiol
. 2022 Aug;
142:143-153.
PMID: 36041343
Objective: Description of typical kinds of EEG reactivity (EEG-R) in post-anoxic coma using a quantitative method. Methods: Study of 101 out-of-hospital cardiac arrest patients, 71 with good outcome (cerebral performance...
4.
Kural M, Jing J, Furbass F, Perko H, Qerama E, Johnsen B, et al.
Epilepsia
. 2022 Feb;
63(5):1064-1073.
PMID: 35184276
Objective: To evaluate the diagnostic performance of artificial intelligence (AI)-based algorithms for identifying the presence of interictal epileptiform discharges (IEDs) in routine (20-min) electroencephalography (EEG) recordings. Methods: We evaluated two...
5.
Engedal T, Johnsen B, Sidaros A, Fabricius M, Christensen J, Beniczky S
Ugeskr Laeger
. 2022 Jan;
184(3).
PMID: 35060475
Critically ill patients are at high risk of non-convulsive status epilepticus (NCSE). As clinical signs of NCSE are subtle and unspecific, EEG is necessary to make the diagnosis. This is...
6.
Comparison of ultrasound with electrodiagnosis of scapular winging: A prospective case control study
Silkjaer Bak S, Johnsen B, Fuglsang-Frederiksen A, Dossing K, Qerama E
Clin Neurophysiol
. 2021 Nov;
133:48-57.
PMID: 34801963
Objective: Compare high-resolution ultrasound (HRUS) and electrodiagnostic examination (EDX) in the diagnostic workup of patients with scapulae alatae. Methods: 27 patients with scapulae alatae and 41 healthy subjects (HS) and...
7.
Pugdahl K, Camdessanche J, Cengiz B, de Carvalho M, Liguori R, Rossatto C, et al.
Clin Neurophysiol
. 2021 Sep;
132(12):3183-3189.
PMID: 34544646
Objective: This study evaluates diagnostic accuracy of the proposed 'Gold Coast' (GC) diagnostic criteria for amyotrophic lateral sclerosis (ALS). Methods: Five European centres retrospectively sampled consecutive patients referred for electromyography...
8.
Urdanibia-Centelles O, Nielsen R, Rostrup E, Vedel-Larsen E, Thomsen K, Nikolic M, et al.
Clin Neurophysiol
. 2021 Jul;
132(9):2075-2082.
PMID: 34284242
Objective: In critical care, continuous EEG (cEEG) monitoring is useful for delirium diagnosis. Although visual cEEG analysis is most commonly used, automatic cEEG analysis has shown promising results in small...
9.
Kural M, Qerama E, Johnsen B, Fuchs S, Beniczky S
Clin Neurophysiol
. 2021 May;
132(7):1543-1549.
PMID: 34030055
Objective: The operational definition of interictal epileptiform discharges (IEDs) of the International Federation of Clinical Neurophysiology (IFCN) described six morphological criteria. Our objective was to assess the impact of pattern-repetition...
10.
Silkjaer Bak S, Johnsen B, Fuglsang-Frederiksen A, Dossing K, Qerama E
Clin Neurophysiol Pract
. 2021 Mar;
6:72-80.
PMID: 33732970
Objectives: To obtain normative high-resolution ultrasound (HRUS) data for thickness of the serratus anterior, the trapezius and the rhomboid major muscles and diameter of their corresponding nerves, the long thoracic,...