Torsten Eken

  • Professor; MD, PhD

Publications 2024

Galteland P, Døving M, Næss I, Sehic A, Utheim TP, Eken T, Skaga NO, Helseth E, Ramm-Pettersen J (2024)
The association between head injury and facial fracture treatment: an observational study of hospitalized bicyclists from a level 1 trauma centre
Acta Neurochir (Wien), 166 (1), 132
DOI 10.1007/s00701-024-06019-9, PubMed 38472419

Publications 2023

Dehli T, Wisborg T, Johnsen LG, Brattebø G, Eken T (2023)
Mortality after hospital admission for trauma in Norway: A retrospective observational national cohort study
Injury, 54 (9), 110852
DOI 10.1016/j.injury.2023.110852, PubMed 37302870

Wisborg T, Dehli T, Eken T, Brattebø G, Johnsen LG (2023)
[Not Available]
Tidsskr Nor Laegeforen, 143 (12)
DOI 10.4045/tidsskr.23.0410, PubMed 37668135

Publications 2022

Galteland P, Næss I, Døving M, Sehic A, Utheim TP, Skaga NO, Eken T, Helseth E, Ramm-Pettersen J (2022)
Facial Fractures and Their Relation to Head and Cervical Spine Injuries in Hospitalized Bicyclists
J Craniofac Surg, 34 (1), 34-39
DOI 10.1097/SCS.0000000000009032, PubMed 36608095

Zhang C, Eken T, Jørgensen SB, Thoresen M, Søvik S (2022)
Effects of patient-level risk factors, departmental allocation and seasonality on intrahospital patient transfer patterns: network analysis applied on a Norwegian single-centre data set
BMJ Open, 12 (3), e054545
DOI 10.1136/bmjopen-2021-054545, PubMed 35351711

Publications 2021

Rognes IN, Hellum M, Ottestad W, Bache KG, Eken T, Henriksson CE (2021)
Extracellular vesicle-associated procoagulant activity is highest the first 3 hours after trauma and thereafter declines substantially: A prospective observational pilot study
J Trauma Acute Care Surg, 91 (4), 681-691
DOI 10.1097/TA.0000000000003333, PubMed 34225342

Rognes IN, Pischke SE, Ottestad W, Røislien J, Berg JP, Johnson C, Eken T, Mollnes TE (2021)
Increased complement activation 3 to 6 h after trauma is a predictor of prolonged mechanical ventilation and multiple organ dysfunction syndrome: a prospective observational study
Mol Med, 27 (1), 35
DOI 10.1186/s10020-021-00286-3, PubMed 33832430

Stenehjem JS, Røise O, Nordseth T, Clausen T, Natvig B, O Skurtveit S, Eken T, Kristiansen T, Gran JM, Rosseland LA (2021)
Injury Prevention and long-term Outcomes following Trauma-the IPOT project: a protocol for prospective nationwide registry-based studies in Norway
BMJ Open, 11 (5), e046954
DOI 10.1136/bmjopen-2020-046954, PubMed 34006552

Sundnes O, Ottestad W, Schjalm C, Lundbäck P, la Cour Poulsen L, Mollnes TE, Haraldsen G, Eken T (2021)
Rapid systemic surge of IL-33 after severe human trauma: a prospective observational study
Mol Med, 27 (1), 29
DOI 10.1186/s10020-021-00288-1, PubMed 33771098

Publications 2020

Døving M, Galteland P, Eken T, Sehic A, Utheim TP, Skaga NO, Helseth E, Ramm-Pettersen J (2020)
Dentoalveolar injuries, bicycling accidents and helmet use in patients referred to a Norwegian Trauma Centre: A 12-year prospective study
Dent Traumatol, 37 (2), 240-246
DOI 10.1111/edt.12627, PubMed 33220164

Godt JC, Eken T, Schulz A, Øye K, Hagen T, Dormagen JB (2020)
Do we really need the arterial phase on CT in pelvic trauma patients?
Emerg Radiol, 28 (1), 37-46
DOI 10.1007/s10140-020-01820-2, PubMed 32686046

Næss I, Galteland P, Skaga NO, Eken T, Helseth E, Ramm-Pettersen J (2020)
The number of patients hospitalized with bicycle injuries is increasing - A cry for better road safety
Accid Anal Prev, 148, 105836
DOI 10.1016/j.aap.2020.105836, PubMed 33171415

Publications 2019

Ghorbani P, Troëng T, Brattström O, Ringdal KG, Eken T, Ekbom A, Strömmer L (2019)
Validation of the Norwegian survival prediction model in trauma (NORMIT) in Swedish trauma populations
Br J Surg, 107 (4), 381-390
DOI 10.1002/bjs.11306, PubMed 31461168

Lothe LR, Raven TJL, Sandbæk G, Eken T (2019)
Single-motor-unit discharge characteristics in lumbar multifidus muscle of acute low back pain patients
J Neurophysiol, 122 (4), 1373-1385
DOI 10.1152/jn.00004.2019, PubMed 31365288

Lømo T, Eken T, Bekkestad Rein E, Njå A (2019)
Body temperature control in rats by muscle tone during rest or sleep
Acta Physiol (Oxf), 228 (2), e13348
DOI 10.1111/apha.13348, PubMed 31342662

Ottestad W, Rognes IN, Pischke SE, Mollnes TE, Andersson U, Eken T (2019)
Biphasic Release of the Alarmin High Mobility Group Box 1 Protein Early After Trauma Predicts Poor Clinical Outcome
Crit Care Med, 47 (8), e614-e622
DOI 10.1097/CCM.0000000000003800, PubMed 31162203

Ottestad W, Rognes IN, Skaga E, Frisvoll C, Haraldsen G, Eken T, Lundbäck P (2019)
HMGB1 concentration measurements in trauma patients: assessment of pre-analytical conditions and sample material
Mol Med, 26 (1), 5
DOI 10.1186/s10020-019-0131-0, PubMed 31892315

Søvik S, Isachsen MS, Nordhuus KM, Tveiten CK, Eken T, Sunde K, Brurberg KG, Beitland S (2019)
Acute kidney injury in trauma patients admitted to the ICU: a systematic review and meta-analysis
Intensive Care Med, 45 (4), 407-419
DOI 10.1007/s00134-019-05535-y, PubMed 30725141

Publications 2018

Gaski IA, Skattum J, Brooks A, Koyama T, Eken T, Naess PA, Gaarder C (2018)
Decreased mortality, laparotomy, and embolization rates for liver injuries during a 13-year period in a major Scandinavian trauma center
Trauma Surg Acute Care Open, 3 (1), e000205
DOI 10.1136/tsaco-2018-000205, PubMed 30539153

Godt JC, Eken T, Schulz A, Johansen CK, Aarsnes A, Dormagen JB (2018)
Triple-split-bolus versus single-bolus CT in abdominal trauma patients: a comparative study
Acta Radiol, 59 (9), 1038-1044
DOI 10.1177/0284185117752522, PubMed 29350048

Raven TJL, Lothe LR, Sandbæk G, Eken T (2018)
Precision implantation with positional confirmation of fine-wire EMG electrodes in the deep posterior neck muscles
J Electromyogr Kinesiol, 43, 162-167
DOI 10.1016/j.jelekin.2018.10.001, PubMed 30316112

Røislien J, Søvik S, Eken T (2018)
Seasonality in trauma admissions - Are daylight and weather variables better predictors than general cyclic effects?
PLoS One, 13 (2), e0192568
DOI 10.1371/journal.pone.0192568, PubMed 29425210

Publications 2017

Skaga NO, Eken T, Søvik S (2017)
Validating performance of TRISS, TARN and NORMIT survival prediction models in a Norwegian trauma population
Acta Anaesthesiol Scand, 62 (2), 253-266
DOI 10.1111/aas.13029, PubMed 29119562

Publications 2016

Ghorbani P, Ringdal KG, Hestnes M, Skaga NO, Eken T, Ekbom A, Strömmer L (2016)
Comparison of risk-adjusted survival in two Scandinavian Level-I trauma centres
Scand J Trauma Resusc Emerg Med, 24, 66
DOI 10.1186/s13049-016-0257-9, PubMed 27164973

Koyama T, Skattum J, Engelsen P, Eken T, Gaarder C, Naess PA (2016)
Surgical intervention for paediatric liver injuries is almost history - a 12-year cohort from a major Scandinavian trauma centre
Scand J Trauma Resusc Emerg Med, 24 (1), 139
DOI 10.1186/s13049-016-0329-x, PubMed 27899118

Publications 2015

Beitland S, Sandven I, Kjærvik LK, Sandset PM, Sunde K, Eken T (2015)
Thromboprophylaxis with low molecular weight heparin versus unfractionated heparin in intensive care patients: a systematic review with meta-analysis and trial sequential analysis
Intensive Care Med, 41 (7), 1209-19
DOI 10.1007/s00134-015-3840-z, PubMed 25971389

Lothe LR, Raven TJ, Eken T (2015)
Single-motor-unit discharge characteristics in human lumbar multifidus muscle
J Neurophysiol, 114 (2), 1286-97
DOI 10.1152/jn.00010.2014, PubMed 26084900

Publications 2014

Groven S, Gaarder C, Eken T, Skaga NO, Naess PA (2014)
Abdominal injuries in a major Scandinavian trauma center - performance assessment over an 8 year period
J Trauma Manag Outcomes, 8, 9
DOI 10.1186/1752-2897-8-9, PubMed 25097664

Hagemo JS, Stanworth S, Juffermans NP, Brohi K, Cohen M, Johansson PI, Røislien J, Eken T, Næss PA, Gaarder C (2014)
Prevalence, predictors and outcome of hypofibrinogenaemia in trauma: a multicentre observational study
Crit Care, 18 (2), R52
DOI 10.1186/cc13798, PubMed 24666991

Jones JM, Skaga NO, Søvik S, Lossius HM, Eken T (2014)
Norwegian survival prediction model in trauma: modelling effects of anatomic injury, acute physiology, age, and co-morbidity
Acta Anaesthesiol Scand, 58 (3), 303-15
DOI 10.1111/aas.12256, PubMed 24438461

Søvik S, Skaga NO, Hanoa R, Eken T (2014)
Sudden survival improvement in critical neurotrauma: An exploratory analysis using a stratified statistical process control technique
Injury, 45 (11), 1722-30
DOI 10.1016/j.injury.2014.05.038, PubMed 25059506

Publications 2013

Skattum J, Naess PA, Eken T, Gaarder C (2013)
Refining the role of splenic angiographic embolization in high-grade splenic injuries
J Trauma Acute Care Surg, 74 (1), 100-3; discussion 103-4
DOI 10.1097/TA.0b013e31827890b2, PubMed 23271083

Publications 2012

Lossius HM, Rehn M, Tjosevik KE, Eken T (2012)
Calculating trauma triage precision: effects of different definitions of major trauma
J Trauma Manag Outcomes, 6 (1), 9
DOI 10.1186/1752-2897-6-9, PubMed 22902009

Staff T, Eken T, Wik L, Røislien J, Søvik S (2012)
Physiologic, demographic and mechanistic factors predicting New Injury Severity Score (NISS) in motor vehicle accident victims
Injury, 45 (1), 9-15
DOI 10.1016/j.injury.2012.11.010, PubMed 23219241

Publications 2011

Etholm L, Lindén H, Eken T, Heggelund P (2011)
Electroencephalographic characterization of seizure activity in the synapsin I/II double knockout mouse
Brain Res, 1383, 270-88
DOI 10.1016/j.brainres.2011.01.070, PubMed 21281619

Groven S, Eken T, Skaga NO, Roise O, Naess PA, Gaarder C (2011)
Long-lasting performance improvement after formalization of a dedicated trauma service
J Trauma, 70 (3), 569-74
DOI 10.1097/TA.0b013e31820d1a9b, PubMed 21610344

Rehn M, Lossius HM, Tjosevik KE, Vetrhus M, Østebø O, Eken T, Rogaland Trauma System Study Collaborating Group (2011)
Efficacy of a two-tiered trauma team activation protocol in a Norwegian trauma centre
Br J Surg, 99 (2), 199-208
DOI 10.1002/bjs.7794, PubMed 22190166

Staff T, Eken T, Hansen TB, Steen PA, Søvik S (2011)
A field evaluation of real-life motor vehicle accidents: presence of unrestrained objects and their association with distribution and severity of patient injuries
Accid Anal Prev, 45, 529-38
DOI 10.1016/j.aap.2011.09.007, PubMed 22269539

Publications 2009

Rehn M, Eken T, Kruger AJ, Steen PA, Skaga NO, Lossius HM (2009)
RE: Field triage in trauma - do the data really justify the conclusions?
Scand. J. Trauma Resusc. Emerg. Med., 17, 25
DOI 10.1186/1757-7241-17-25

Rehn M, Eken T, Krüger AJ, Steen PA, Skaga NO, Lossius HM (2009)
Precision of field triage in patients brought to a trauma centre after introducing trauma team activation guidelines
Scand J Trauma Resusc Emerg Med, 17, 1
DOI 10.1186/1757-7241-17-1, PubMed 19134177

Publications 2008

Eken T, Elder GC, Lømo T (2008)
Development of tonic firing behavior in rat soleus muscle
J Neurophysiol, 99 (4), 1899-905
DOI 10.1152/jn.00834.2007, PubMed 18256168

Skaga NO, Eken T, Jones JM, Steen PA (2008)
Different definitions of patient outcome: consequences for performance analysis in trauma
Injury, 39 (5), 612-22
DOI 10.1016/j.injury.2007.11.426, PubMed 18377909

Publications 2007

Gaarder C, Naess PA, Eken T, Skaga NO, Pillgram-Larsen J, Klow NE, Buanes T (2007)
Liver injuries--improved results with a formal protocol including angiography
Injury, 38 (9), 1075-83
DOI 10.1016/j.injury.2007.02.001, PubMed 17706220

Skaga NO, Eken T, Søvik S, Jones JM, Steen PA (2007)
Pre-injury ASA physical status classification is an independent predictor of mortality after trauma
J Trauma, 63 (5), 972-8
DOI 10.1097/TA.0b013e31804a571c, PubMed 17993938

Publications 2006

Gaarder C, Dormagen JB, Eken T, Skaga NO, Klow NE, Pillgram-Larsen J, Buanes T, Naess PA (2006)
Nonoperative management of splenic injuries: improved results with angioembolization
J Trauma, 61 (1), 192-8
DOI 10.1097/01.ta.0000223466.62589.d9, PubMed 16832270

Skaga NO, Eken T, Hestnes M, Jones JM, Steen PA (2006)
Scoring of anatomic injury after trauma: AIS 98 versus AIS 90--do the changes affect overall severity assessment?
Injury, 38 (1), 84-90
DOI 10.1016/j.injury.2006.04.123, PubMed 16872609

Skaga NO, Eken T, Steen PA (2006)
Assessing quality of care in a trauma referral center: benchmarking performance by TRISS-based statistics or by analysis of stratified ISS data?
J Trauma, 60 (3), 538-47
DOI 10.1097/01.ta.0000205613.52586.d1, PubMed 16531851

Publications 2005

Gaarder C, Skaga NO, Eken T, Pillgram-Larsen J, Buanes T, Naess PA (2005)
The impact of patient volume on surgical trauma training in a Scandinavian trauma centre
Injury, 36 (11), 1288-92
DOI 10.1016/j.injury.2005.06.034, PubMed 16122752

Publications 2000

Gorassini M, Eken T, Bennett DJ, Kiehn O, Hultborn H (2000)
Activity of hindlimb motor units during locomotion in the conscious rat
J Neurophysiol, 83 (4), 2002-11
DOI 10.1152/jn.2000.83.4.2002, PubMed 10758110

Publications 1999

Eggesbø HB, Eken T, Eiklid K, Kolmannskog F (1999)
Hypoplasia of the sphenoid sinuses as a diagnostic tool in cystic fibrosis
Acta Radiol, 40 (5), 479-85
DOI 10.3109/02841859909175571, PubMed 10485235

Eken T (1999)
Tonic motor activity in a physiological extensor muscle
Department of Neurophysiology, Institute of Basic MedicalSciences, University of Oslo, [Oslo], 1 b. (flere pag.)
BIBSYS 990567389, ISBN 82-91061-91-2

Gorassini M, Bennett DJ, Kiehn O, Eken T, Hultborn H (1999)
Activation patterns of hindlimb motor units in the awake rat and their relation to motoneuron intrinsic properties
J Neurophysiol, 82 (2), 709-17
DOI 10.1152/jn.1999.82.2.709, PubMed 10444668

Publications 1998

Eken T (1998)
Spontaneous electromyographic activity in adult rat soleus muscle
J Neurophysiol, 80 (1), 365-76
DOI 10.1152/jn.1998.80.1.365, PubMed 9658057

Kiehn O, Eken T (1998)
Functional role of plateau potentials in vertebrate motor neurons
Curr Opin Neurobiol, 8 (6), 746-52
DOI 10.1016/s0959-4388(98)80117-7, PubMed 9914232

Publications 1997

Kiehn O, Eken T (1997)
Prolonged firing in motor units: evidence of plateau potentials in human motoneurons?
J Neurophysiol, 78 (6), 3061-8
DOI 10.1152/jn.1997.78.6.3061, PubMed 9405525

Publications 1996

Kiehn O, Erdal J, Eken T, Bruhn T (1996)
Selective depletion of spinal monoamines changes the rat soleus EMG from a tonic to a more phasic pattern
J Physiol, 492 ( Pt 1) (Pt 1), 173-84
DOI 10.1113/jphysiol.1996.sp021299, PubMed 8730593

Waersted M, Eken T, Westgaard RH (1996)
Activity of single motor units in attention-demanding tasks: firing pattern in the human trapezius muscle
Eur J Appl Physiol Occup Physiol, 72 (4), 323-9
DOI 10.1007/BF00599692, PubMed 8851901

Publications 1992

Gundersen K, Eken T (1992)
The importance of frequency and amount of electrical stimulation for contractile properties of denervated rat muscles
Acta Physiol Scand, 145 (1), 49-57
DOI 10.1111/j.1748-1716.1992.tb09335.x, PubMed 1502912

Publications 1989

Eken T, Hultborn H, Kiehn O (1989)
Possible functions of transmitter-controlled plateau potentials in alpha motoneurones
Prog Brain Res, 80, 257-67; discussion 239-42
DOI 10.1016/s0079-6123(08)62219-0, PubMed 2699366

Eken T, Kiehn O (1989)
Bistable firing properties of soleus motor units in unrestrained rats
Acta Physiol Scand, 136 (3), 383-94
DOI 10.1111/j.1748-1716.1989.tb08679.x, PubMed 2750539

Publications 1988

Eken T, Gundersen K (1988)
Electrical stimulation resembling normal motor-unit activity: effects on denervated fast and slow rat muscles
J Physiol, 402, 651-69
DOI 10.1113/jphysiol.1988.sp017227, PubMed 3236252

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