Publication list - Publika - Scientific publications from Oslo University Hospital

Publications by John A. Engh

41 publications found

Original articles

Bang-Kittilsen G, Egeland J, Ueland T, Andersen E, Bigseth TT, Holmen TL, Mordal J, Holst R, Engh JA (2023)
The relationship between the brain-derived neurotrophic factor and neurocognitive response to physical exercise in individuals with schizophrenia
Psychoneuroendocrinology, 157, 106356
DOI 10.1016/j.psyneuen.2023.106356, PubMed 37562099

Bigseth TT, Engh JA, Andersen E, Bang-Kittilsen G, Egeland J, Falk RS, Holmen TL, Mordal J, Nielsen J, Ueland T, Vang T, Fredriksen M (2023)
Alterations in inflammatory markers after a 12-week exercise program in individuals with schizophrenia-a randomized controlled trial
Front Psychiatry, 14, 1175171
DOI 10.3389/fpsyt.2023.1175171, PubMed 37265560

Jensen SB, Sheikh MA, Akkouh IA, Szabo A, O'Connell KS, Lekva T, Engh JA, Agartz I, Elvsåshagen T, Ormerod MBEG, Weibell MA, Johnsen E, Kroken RA, Melle I, Drange OK, Nærland T, Vaaler AE, Westlye LT, Aukrust P, Djurovic S, Eiel Steen N, Andreassen OA, Ueland T (2023)
Elevated Systemic Levels of Markers Reflecting Intestinal Barrier Dysfunction and Inflammasome Activation Are Correlated in Severe Mental Illness
Schizophr Bull, 49 (3), 635-645
DOI 10.1093/schbul/sbac191, PubMed 36462169

Bang-Kittilsen G, Engh JA, Holst R, Holmen TL, Bigseth TT, Andersen E, Mordal J, Egeland J (2022)
High-intensity interval training may reduce depressive symptoms in individuals with schizophrenia, putatively through improved VO₂max: A randomized controlled trial
Front Psychiatry, 13, 921689
DOI 10.3389/fpsyt.2022.921689, PubMed 36003983

Sheikh MA, O'Connell KS, Lekva T, Szabo A, Akkouh IA, Osete JR, Agartz I, Engh JA, Andreou D, Boye B, Bøen E, Elvsåshagen T, Hope S, Frogner Werner MC, Joa I, Johnsen E, Kroken RA, Lagerberg TV, Melle I, Drange OK, Morken G, Nærland T, Sørensen K, Vaaler AE, Weibell MA et al. (2022)
Systemic Cell Adhesion Molecules in Severe Mental Illness: Potential Role of Intercellular CAM-1 in Linking Peripheral and Neuroinflammation
Biol Psychiatry, 93 (2), 187-196
DOI 10.1016/j.biopsych.2022.06.029, PubMed 36182530

Ringen PA, Lund-Stenvold E, Andreassen OA, Gaarden TL, Hartberg CB, Johnsen E, Myklatun S, Osnes K, Sørensen K, Sørensen K, Vaaler A, Tonstad S, Engh JA, Høye A (2022)
Quality of clinical management of cardiometabolic risk factors in patients with severe mental illness in a specialist mental health care setting
Nord J Psychiatry, 76 (8), 602-609
DOI 10.1080/08039488.2022.2039288, PubMed 35200088

Engh JA, Ueland T, Agartz I, Andreou D, Aukrust P, Boye B, Bøen E, Drange OK, Elvsåshagen T, Hope S, Høegh MC, Joa I, Johnsen E, Kroken RA, Lagerberg TV, Lekva T, Malt UF, Melle I, Morken G, Nærland T, Steen VM, Wedervang-Resell K, Weibell MA, Westlye LT, Djurovic S et al. (2022)
Plasma Levels of the Cytokines B Cell-Activating Factor (BAFF) and A Proliferation-Inducing Ligand (APRIL) in Schizophrenia, Bipolar, and Major Depressive Disorder: A Cross Sectional, Multisite Study
Schizophr Bull, 48 (1), 37-46
DOI 10.1093/schbul/sbab106, PubMed 34499169

Szabo A, O'Connell KS, Ueland T, Sheikh MA, Agartz I, Andreou D, Aukrust P, Boye B, Bøen E, Drange OK, Elvsåshagen T, Engh JA, Hope S, Collier Høegh M, Joa I, Johnsen E, Kroken RA, Vik Lagerberg T, Lekva T, Malt UF, Melle I, Morken G, Nærland T, Steen VM, Sørensen K et al. (2021)
Increased circulating IL-18 levels in severe mental disorders indicate systemic inflammasome activation
Brain Behav Immun, 99, 299-306
DOI 10.1016/j.bbi.2021.10.017, PubMed 34758379

Bigseth TT, Engh JA, Egeland J, Andersen E, Andreassen OA, Bang-Kittilsen G, Falk RS, Holmen TL, Lindberg M, Mordal J, Nielsen J, Steen NE, Ueland T, Vang T, Fredriksen M (2021)
Exploring low grade inflammation by soluble urokinase plasminogen activator receptor levels in schizophrenia: a sex-dependent association with depressive symptoms
BMC Psychiatry, 21 (1), 527
DOI 10.1186/s12888-021-03522-6, PubMed 34702245

Bang-Kittilsen G, Egeland J, Holmen TL, Bigseth TT, Andersen E, Mordal J, Ulleberg P, Engh JA (2020)
High-intensity interval training and active video gaming improve neurocognition in schizophrenia: a randomized controlled trial
Eur Arch Psychiatry Clin Neurosci, 271 (2), 339-353
DOI 10.1007/s00406-020-01200-4, PubMed 33156372

Andersen E, Bang-Kittilsen G, Bigseth TT, Egeland J, Holmen TL, Martinsen EW, Stensrud T, Engh JA (2020)
Effect of high-intensity interval training on cardiorespiratory fitness, physical activity and body composition in people with schizophrenia: a randomized controlled trial
BMC Psychiatry, 20 (1), 425
DOI 10.1186/s12888-020-02827-2, PubMed 32854688

Holmen TL, Egeland J, Andersen E, Mordal J, Andreassen OA, Ueland T, Bigseth TT, Bang-Kittilsen G, Engh JA (2019)
The Association Between Cardiorespiratory Fitness and Cognition Appears Neither Related to Current Physical Activity Nor Mediated by Brain-Derived Neurotrophic Factor in a Sample of Outpatients With Schizophrenia
Front Psychiatry, 10, 785
DOI 10.3389/fpsyt.2019.00785, PubMed 31708824

Engh JA, Egeland J, Andreassen OA, Bang-Kittilsen G, Bigseth TT, Holmen TL, Martinsen EW, Mordal J, Andersen E (2019)
Objectively Assessed Daily Steps-Not Light Intensity Physical Activity, Moderate-to-Vigorous Physical Activity and Sedentary Time-Is Associated With Cardiorespiratory Fitness in Patients With Schizophrenia
Front Psychiatry, 10, 82
DOI 10.3389/fpsyt.2019.00082, PubMed 30863327

Egeland J, Holmen TL, Bang-Kittilsen G, Bigseth TT, Vaskinn A, Engh JA (2019)
Body language reading of emotion and outcome in schizophrenia
Cogn Neuropsychiatry, 24 (1), 54-64
DOI 10.1080/13546805.2019.1568234, PubMed 30654697

Holmen TL, Engh JA, Andersen E, Andreassen OA, Martinsen EW, Bigseth TT, Bang-Kittilsen G, Egeland J (2018)
Cardio-respiratory fitness is associated with a verbal factor across cognitive domains in schizophrenia
Schizophr Res, 206, 157-162
DOI 10.1016/j.schres.2018.11.033, PubMed 30528313

Andersen E, Holmen TL, Egeland J, Martinsen EW, Bigseth TT, Bang-Kittilsen G, Anderssen SA, Hansen BH, Engh JA (2018)
Physical activity pattern and cardiorespiratory fitness in individuals with schizophrenia compared with a population-based sample
Schizophr Res, 201, 98-104
DOI 10.1016/j.schres.2018.05.038, PubMed 29861267

Egeland J, Holmen TL, Bang-Kittilsen G, Bigseth TT, Engh JA (2017)
Category fluency in schizophrenia: opposing effects of negative and positive symptoms?
Cogn Neuropsychiatry, 23 (1), 28-42
DOI 10.1080/13546805.2017.1418306, PubMed 29279010

Holmen TL, Egeland J, Andersen E, Bigseth TT, Engh JA (2017)
The association between cardio-respiratory fitness and cognition in schizophrenia
Schizophr Res, 193, 418-422
DOI 10.1016/j.schres.2017.07.015, PubMed 28709774

Engh JA, Andersen E, Holmen TL, Martinsen EW, Mordal J, Morken G, Egeland J (2015)
Effects of high-intensity aerobic exercise on psychotic symptoms and neurocognition in outpatients with schizophrenia: study protocol for a randomized controlled trial
Trials, 16, 557
DOI 10.1186/s13063-015-1094-2, PubMed 26646670

Jónsdóttir H, Opjordsmoen S, Birkenaes AB, Simonsen C, Engh JA, Ringen PA, Vaskinn A, Friis S, Sundet K, Andreassen OA (2012)
Predictors of medication adherence in patients with schizophrenia and bipolar disorder
Acta Psychiatr Scand, 127 (1), 23-33
DOI 10.1111/j.1600-0447.2012.01911.x, PubMed 22900964

Jónsdóttir H, Opjordsmoen S, Birkenaes AB, Engh JA, Ringen PA, Vaskinn A, Aamo TO, Friis S, Andreassen OA (2010)
Medication adherence in outpatients with severe mental disorders: relation between self-reports and serum level
J Clin Psychopharmacol, 30 (2), 169-75
DOI 10.1097/JCP.0b013e3181d2191e, PubMed 20520290

Ringen PA, Vaskinn A, Sundet K, Engh JA, Jónsdóttir H, Simonsen C, Friis S, Opjordsmoen S, Melle I, Andreassen OA (2009)
Opposite relationships between cannabis use and neurocognitive functioning in bipolar disorder and schizophrenia
Psychol Med, 40 (8), 1337-47
DOI 10.1017/S0033291709991620, PubMed 19891810

Simonsen C, Sundet K, Vaskinn A, Birkenaes AB, Engh JA, Faerden A, Jónsdóttir H, Ringen PA, Opjordsmoen S, Melle I, Friis S, Andreassen OA (2009)
Neurocognitive dysfunction in bipolar and schizophrenia spectrum disorders depends on history of psychosis rather than diagnostic group
Schizophr Bull, 37 (1), 73-83
DOI 10.1093/schbul/sbp034, PubMed 19443616

Engh JA, Friis S, Birkenaes AB, Jónsdóttir H, Klungsøyr O, Ringen PA, Simonsen C, Vaskinn A, Opjordsmoen S, Andreassen OA (2009)
Delusions are associated with poor cognitive insight in schizophrenia
Schizophr Bull, 36 (4), 830-5
DOI 10.1093/schbul/sbn193, PubMed 19176474

Vaskinn A, Sundet K, Friis S, Ueland T, Simonsen C, Birkenaes AB, Engh JA, Jónsdóttir H, Opjordsmoen S, Ringen PA, Andreassen OA (2009)
Using the Wisconsin Card Sorting Test to assess learning potential in normal IQ schizophrenia: does it have potential?
Nord J Psychiatry, 63 (5), 405-11
DOI 10.1080/08039480902879941, PubMed 19365785

Ringen PA, Melle I, Birkenaes AB, Engh JA, Faerden A, Vaskinn A, Friis S, Opjordsmoen S, Andreassen OA (2008)
The level of illicit drug use is related to symptoms and premorbid functioning in severe mental illness
Acta Psychiatr Scand, 118 (4), 297-304
DOI 10.1111/j.1600-0447.2008.01244.x, PubMed 18759810

Birkenaes AB, Birkeland KI, Engh JA, Faerden A, Jonsdottir H, Ringen PA, Friis S, Opjordsmoen S, Andreassen OA (2008)
Dyslipidemia independent of body mass in antipsychotic-treated patients under real-life conditions
J Clin Psychopharmacol, 28 (2), 132-7
DOI 10.1097/JCP.0b013e318166c4f7, PubMed 18344722

Vaskinn A, Sundet K, Friis S, Ueland T, Simonsen C, Birkenaes AB, Engh JA, Opjordsmoen S, Andreassen OA (2008)
Can learning potential in schizophrenia be assessed with the standard CVLT-II? An exploratory study
Scand J Psychol, 49 (2), 179-86
DOI 10.1111/j.1467-9450.2008.00627.x, PubMed 18352988

Jónsdóttir H, Engh JA, Friis S, Birkenaes A, Ringen PA, Vaskinn A, Sundet K, Opjordsmoen S, Andreassen OA (2008)
Measurement of insight in patients with bipolar disorder: are self-rated scales developed for patients with schizophrenia applicable?
J Nerv Ment Dis, 196 (4), 333-5
DOI 10.1097/NMD.0b013e31816a62b2, PubMed 18414129

Simonsen C, Sundet K, Vaskinn A, Birkenaes AB, Engh JA, Hansen CF, Jónsdóttir H, Ringen PA, Opjordsmoen S, Friis S, Andreassen OA (2008)
Neurocognitive profiles in bipolar I and bipolar II disorder: differences in pattern and magnitude of dysfunction
Bipolar Disord, 10 (2), 245-55
DOI 10.1111/j.1399-5618.2007.00492.x, PubMed 18271903

Ringen PA, Melle I, Birkenaes AB, Engh JA, Faerden A, Jónsdóttir H, Nesvåg R, Vaskinn A, Friis S, Larsen F, Opjordsmoen S, Sundet K, Andreassen OA (2007)
Illicit drug use in patients with psychotic disorders compared with that in the general population: a cross-sectional study
Acta Psychiatr Scand, 117 (2), 133-8
DOI 10.1111/j.1600-0447.2007.01135.x, PubMed 18081921

Engh JA, Friis S, Birkenaes AB, Jónsdóttir H, Ringen PA, Ruud T, Sundet KS, Opjordsmoen S, Andreassen OA (2007)
Measuring cognitive insight in schizophrenia and bipolar disorder: a comparative study
BMC Psychiatry, 7, 71
DOI 10.1186/1471-244X-7-71, PubMed 18072961

Vaskinn A, Sundet K, Friis S, Simonsen C, Birkenaes AB, Engh JA, Jónsdóttir H, Ringen PA, Opjordsmoen S, Andreassen OA (2007)
The effect of gender on emotion perception in schizophrenia and bipolar disorder
Acta Psychiatr Scand, 116 (4), 263-70
DOI 10.1111/j.1600-0447.2007.00991.x, PubMed 17803756

Birkenaes AB, Opjordsmoen S, Brunborg C, Engh JA, Jonsdottir H, Ringen PA, Simonsen C, Vaskinn A, Birkeland KI, Friis S, Sundet K, Andreassen OA (2007)
The level of cardiovascular risk factors in bipolar disorder equals that of schizophrenia: a comparative study
J Clin Psychiatry, 68 (6), 917-23
DOI 10.4088/jcp.v68n0614, PubMed 17592917

Birkenaes AB, Søgaard AJ, Engh JA, Jonsdottir H, Ringen PA, Vaskinn A, Friis S, Sundet K, Opjordsmoen S, Andreassen OA (2006)
Sociodemographic characteristics and cardiovascular risk factors in patients with severe mental disorders compared with the general population
J Clin Psychiatry, 67 (3), 425-33
DOI 10.4088/jcp.v67n0314, PubMed 16649830

Engh JA, Podnar G, Kondziolka D, Riviere CN (2006)
Toward effective needle steering in brain tissue
Conf Proc IEEE Eng Med Biol Soc, 2006, 559-62
DOI 10.1109/IEMBS.2006.260167, PubMed 17946405

Helm GA, Alden TD, Beres EJ, Hudson SB, Das S, Engh JA, Pittman DD, Kerns KM, Kallmes DF (2000)
Use of bone morphogenetic protein-9 gene therapy to induce spinal arthrodesis in the rodent
J Neurosurg, 92 (2 Suppl), 191-6
DOI 10.3171/spi.2000.92.2.0191, PubMed 10763690

Review articles

Ringen PA, Engh JA, Birkenaes AB, Dieset I, Andreassen OA (2014)
Increased mortality in schizophrenia due to cardiovascular disease - a non-systematic review of epidemiology, possible causes, and interventions
Front Psychiatry, 5, 137
DOI 10.3389/fpsyt.2014.00137, PubMed 25309466

Engh JA, Sundet K, Simonsen C, Vaskinn A, Lagerberg TV, Opjordsmoen S, Friis S, Andreassen OA (2011)
Verbal learning contributes to cognitive insight in schizophrenia independently of affective and psychotic symptoms
Prog Neuropsychopharmacol Biol Psychiatry, 35 (4), 1059-63
DOI 10.1016/j.pnpbp.2011.02.021, PubMed 21392553