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Publications by Tomm Bernklev

105 publications found

Original articles

Hoff G, Bernklev T, Johnsen L, Reitsma L, Sina D, Lauzike A, Gibbs C, Hoel Lende T, Narvestad JK, Kildahl R, Omdal R, Kvaløy JT, Søiland H (2024)
Thyroidectomy for Euthyroid Patients with Hashimoto Disease and Persistent Symptoms: An Observational, Postrandomization Study
J Thyroid Res, 2024, 5518720
DOI 10.1155/2024/5518720, PubMed 38606313

Lukina P, Andersen IL, Eggen PT, Mjønes PG, Rønne E, Bolstad N, Klaasen RA, Warren DJ, Iversen R, Hveem K, Bernklev T, Jelsness-Jørgensen LP, Pedersen L, Jonkers I, Lagergren P, Sollid LM, Lundin K, Ness-Jensen E (2024)
Coeliac disease in the Trøndelag Health Study (HUNT), Norway, a population-based cohort of coeliac disease patients
BMJ Open, 14 (1), e077131
DOI 10.1136/bmjopen-2023-077131, PubMed 38195172

Holten KIA, Bernklev T, Opheim R, Johansen I, Olsen BC, Lund C, Strande V, Medhus AW, Perminow G, Bengtson MB, Cetinkaya RB, Vatn S, Frigstad SO, Aabrekk TB, Detlie TE, Hovde Ø, Kristensen VA, Småstuen MC, Henriksen M, Huppertz-Hauss G, Høivik ML, Jelsness-Jørgensen LP (2023)
Fatigue in Patients with Newly Diagnosed Inflammatory Bowel Disease: Results from a Prospective Inception Cohort, the IBSEN III Study
J Crohns Colitis, 17 (11), 1781-1790
DOI 10.1093/ecco-jcc/jjad094, PubMed 37279652

Olsen BC, Opheim R, Kristensen VA, Høivik ML, Lund C, Aabrekk TB, Johansen I, Holten K, Strande V, Bengtson MB, Ricanek P, Detlie TE, Bernklev T, Jelsness-Jørgensen LP, Huppertz-Hauss G (2023)
Health-related quality of life in patients with newly diagnosed inflammatory bowel disease: an observational prospective cohort study (IBSEN III)
Qual Life Res, 32 (10), 2951-2964
DOI 10.1007/s11136-023-03435-9, PubMed 37219727

Kirkøen B, Berstad P, Hoff G, Bernklev T, Randel KR, Holme Ø, de Lange T, Robb KA, Botteri E (2022)
Type and Severity of Mental Illness and Participation in Colorectal Cancer Screening
Am J Prev Med, 64 (1), 76-85
DOI 10.1016/j.amepre.2022.08.011, PubMed 36216655

Tsarpali V, Midtvedt K, Lønning K, Bernklev T, Åsberg A, von der Lippe N, Reisæter AV, Heldal K (2022)
Poor Physical Function Trajectory Predicts Impaired Patient Survival in Older Recipients of Deceased Donor Kidneys: A Prospective Cohort Study
Transplant Direct, 8 (11), e1374
DOI 10.1097/TXD.0000000000001374, PubMed 36245999

Søiland H, Janssen EAM, Helland T, Eliassen FM, Hagland M, Nordgård O, Lunde S, Lende TH, Sagen JV, Tjensvoll K, Gilje B, Jonsdottir K, Gudlaugsson E, Lode K, Hagen KB, Gripsrud BH, Lind R, Heie A, Aas T, Austdal M, Egeland NG, Bernklev T, Lash TL, Skartveit L, Kroksveen AC et al. (2022)
Liquid biopsies and patient-reported outcome measures for integrative monitoring of patients with early-stage breast cancer: a study protocol for the longitudinal observational Prospective Breast Cancer Biobanking (PBCB) study
BMJ Open, 12 (4), e054404
DOI 10.1136/bmjopen-2021-054404, PubMed 35487718

Botteri E, Hoff G, Randel KR, Holme Ø, de Lange T, Bernklev T, Aas E, Berthelsen M, Natvig E, Kirkøen B, Knudsen MD, Kvaerner AS, Schult AL, Ursin G, Jørgensen A, Berstad P (2022)
Characteristics of nonparticipants in a randomised colorectal cancer screening trial comparing sigmoidoscopy and faecal immunochemical testing
Int J Cancer, 151 (3), 361-371
DOI 10.1002/ijc.34025, PubMed 35411554

Tsarpali V, Midtvedt K, Lønning K, Bernklev T, Åsberg A, Fawad H, von der Lippe N, Reisæter AV, Røysland K, Heldal K (2022)
A Comorbidity Index and Pretransplant Physical Status Predict Survival in Older Kidney Transplant Recipients: A National Prospective Study
Transplant Direct, 8 (4), e1307
DOI 10.1097/TXD.0000000000001307, PubMed 35350108

Berge J, Hjelmesæth J, Kolotkin RL, Støren Ø, Bratland-Sanda S, Hertel JK, Gjevestad E, Småstuen MC, Helgerud J, Bernklev T (2022)
Effect of aerobic exercise intensity on health-related quality of life in severe obesity: a randomized controlled trial
Health Qual Life Outcomes, 20 (1), 34
DOI 10.1186/s12955-022-01940-y, PubMed 35209911

Jelsness-Jørgensen LP, Moum B, Grimstad T, Jahnsen J, Hovde Ø, Frigstad SO, Bernklev T (2022)
The multidimensional fatigue inventory (MFI-20): psychometrical testing in a Norwegian sample of inflammatory bowel disease (IBD) patients
Scand J Gastroenterol, 1-7 (in press)
DOI 10.1080/00365521.2022.2029939, PubMed 35076321

Tsarpali V, Midtvedt K, Lønning K, Bernklev T, Lippe NV, Reisæter AV, Brunborg C, Heldal K (2021)
Health-Related Quality of Life in Older Kidney Transplant Recipients: A National Cohort Study of Short- and Longer-Term Outcomes
Kidney Med, 3 (6), 974-983.e1
DOI 10.1016/j.xkme.2021.05.007, PubMed 34939006

Nilsson R, Næss-Andresen TF, Myklebust TÅ, Bernklev T, Kersten H, Haug ES (2021)
Fear of Recurrence in Prostate Cancer Patients: A Cross-sectional Study After Radical Prostatectomy or Active Surveillance
Eur Urol Open Sci, 25, 44-51
DOI 10.1016/j.euros.2021.01.002, PubMed 34337502

Normann CO, Opheim R, Andreassen BK, Bernklev T, Haug ES (2020)
Health-related quality-of-life after radical cystectomy among Norwegian men and women compared to the general population
Scand J Urol, 54 (3), 181-187
DOI 10.1080/21681805.2020.1754906, PubMed 32343159

Nilsson R, Dahl AA, Bernklev T, Kersten H, Haug ES (2020)
Work status and work ability after radical prostatectomy or active surveillance for prostate cancer
Scand J Urol, 54 (3), 194-200
DOI 10.1080/21681805.2020.1750473, PubMed 32285740

Klepp P, Brackmann S, Cvancarova M, Hoivik ML, Hovde Ø, Henriksen M, Huppertz-Hauss G, Bernklev T, Hoie O, Kempski-Monstad I, Solberg IC, Stray N, Jahnsen J, Vatn MH, Moum B (2020)
Risk of colorectal cancer in a population-based study 20 years after diagnosis of ulcerative colitis: results from the IBSEN study
BMJ Open Gastroenterol, 7 (1), e000361
DOI 10.1136/bmjgast-2019-000361, PubMed 32337058

Opheim R, Moum B, Grimstad BT, Jahnsen J, Prytz Berset I, Hovde Ø, Huppertz-Hauss G, Bernklev T, Jelsness-Jørgensen LP (2020)
Self-esteem in patients with inflammatory bowel disease
Qual Life Res, 29 (7), 1839-1846
DOI 10.1007/s11136-020-02467-9, PubMed 32144613

Ossum AM, Palm Ø, Cvancarova M, Bernklev T, Jahnsen J, Moum B, Høivik ML, IBSEN Study Group (2020)
The Impact of Spondyloarthritis and Joint Symptoms on Health-Related Quality of Life and Fatigue in IBD Patients. Results From a Population-Based Inception Cohort (20-Year Follow-up in the Ibsen Study)
Inflamm Bowel Dis, 26 (1), 114-124
DOI 10.1093/ibd/izz105, PubMed 31127829

Frigstad SO, Høivik ML, Jahnsen J, Cvancarova M, Grimstad T, Berset IP, Huppertz-Hauss G, Hovde Ø, Bernklev T, Moum B, Jelsness-Jørgensen LP (2019)
Pain Severity and Vitamin D Deficiency in IBD Patients
Nutrients, 12 (1)
DOI 10.3390/nu12010026, PubMed 31877637

Guldvog I, Reitsma LC, Johnsen L, Lauzike A, Gibbs C, Carlsen E, Lende TH, Narvestad JK, Omdal R, Kvaløy JT, Hoff G, Bernklev T, Søiland H (2019)
Thyroidectomy Versus Medical Management for Euthyroid Patients With Hashimoto Disease and Persisting Symptoms: A Randomized Trial
Ann Intern Med, 170 (7), 453-464
DOI 10.7326/M18-0284, PubMed 30856652

Heldal K, Midtvedt K, Lønning K, Iversen T, Hernæs KH, Tsarpali V, Reisæter AV, Bernklev T (2019)
Kidney transplantation: an attractive and cost-effective alternative for older patients? A cost-utility study
Clin Kidney J, 12 (6), 888-894
DOI 10.1093/ckj/sfz018, PubMed 31807304

Jelsness-Jørgensen LP, Jensen Ø, Gibbs C, Bekkhus Moe R, Hofsø D, Bernklev T (2018)
Psychometric testing of the Norwegian Diabetes Health Profile (DHP-18) in patients with type 1 diabetes
BMJ Open Diabetes Res Care, 6 (1), e000541
DOI 10.1136/bmjdrc-2018-000541, PubMed 30613400

Nøstdahl T, Bernklev T, Fredheim OM, Paddison JS, Raeder J (2018)
Defining the cut-off point of clinically significant postoperative fatigue in three common fatigue scales
Qual Life Res, 28 (4), 991-1003
DOI 10.1007/s11136-018-2068-0, PubMed 30506178

Lønning K, Midtvedt K, Bernklev T, Brunborg C, Andersen MH, von der Lippe N, Reisaeter AV, Line PD, Hartmann A, Heldal K (2018)
Changes in health-related quality of life in older candidates waiting for kidney transplantation
Nephrology (Carlton), 23 (10), 948-956
DOI 10.1111/nep.13117, PubMed 28734131

Frigstad SO, Høivik ML, Jahnsen J, Cvancarova M, Grimstad T, Berset IP, Huppertz-Hauss G, Hovde Ø, Bernklev T, Moum B, Jelsness-Jørgensen LP (2018)
Fatigue is not associated with vitamin D deficiency in inflammatory bowel disease patients
World J Gastroenterol, 24 (29), 3293-3301
DOI 10.3748/wjg.v24.i29.3293, PubMed 30090009

Knudsen MD, Hjartåker A, Olsen MKE, Hoff G, de Lange T, Bernklev T, Berstad P (2018)
Changes in health behavior 1 year after testing negative at a colorectal cancer screening: a randomized-controlled study
Eur J Cancer Prev, 27 (4), 316-322
DOI 10.1097/CEJ.0000000000000328, PubMed 27824661

Jensen Ø, Bernklev T, Gibbs C, Moe RB, Hofsø D, Jelsness-Jørgensen LP (2018)
Fatigue in type 1 diabetes, prevalence, predictors and comparison with the background population
Diabetes Res Clin Pract, 143, 71-78
DOI 10.1016/j.diabres.2018.06.012, PubMed 29969723

Enden T, Bernklev T, Jelsness-Jørgensen LP, Amdal CD (2018)
[Patients know their own health best]
Tidsskr Nor Laegeforen, 138 (8)
DOI 10.4045/tidsskr.17.1054, PubMed 29737772

Lønning K, Heldal K, Bernklev T, Brunborg C, Andersen MH, von der Lippe N, Reisæter AV, Line PD, Hartmann A, Midtvedt K (2018)
Improved Health-Related Quality of Life in Older Kidney Recipients 1 Year After Transplantation
Transplant Direct, 4 (4), e351
DOI 10.1097/TXD.0000000000000770, PubMed 29707622

Kirkøen B, Berstad P, Botteri E, Dalén E, Nilsen JA, Hoff G, de Lange T, Bernklev T (2017)
Acceptability of two colorectal cancer screening tests: pain as a key determinant in sigmoidoscopy
Endoscopy, 49 (11), 1075-1086
DOI 10.1055/s-0043-117400, PubMed 28938500

Knudsen MD, Berstad P, Hjartåker A, Gulichsen EH, Hoff G, de Lange T, Bernklev T, Botteri E (2017)
Lifestyle predictors for non-participation and outcome in the second round of faecal immunochemical test in colorectal cancer screening
Br J Cancer, 117 (4), 461-469
DOI 10.1038/bjc.2017.189, PubMed 28704841

Nostdahl T, Fredheim OM, Bernklev T, Doksrod TS, Mohus RM, Raeder J (2017)
A randomised controlled trial of propofol vs. thiopentone and desflurane for fatigue after laparoscopic cholecystectomy
Anaesthesia, 72 (7), 864-869
DOI 10.1111/anae.13909, PubMed 28444779

Kirkøen B, Berstad P, Botteri E, Bernklev L, El-Safadi B, Hoff G, de Lange T, Bernklev T (2016)
Psychological effects of colorectal cancer screening: Participants vs individuals not invited
World J Gastroenterol, 22 (43), 9631-9641
DOI 10.3748/wjg.v22.i43.9631, PubMed 27920484

Huppertz-Hauss G, Høivik ML, Jelsness-Jørgensen LP, Opheim R, Henriksen M, Høie O, Hovde Ø, Kempski-Monstad I, Solberg IC, Jahnsen J, Hoff G, Moum B, Bernklev T (2016)
Fatigue in a population-based cohort of patients with inflammatory bowel disease 20 years after diagnosis: The IBSEN study
Scand J Gastroenterol, 52 (3), 351-358
DOI 10.1080/00365521.2016.1256425, PubMed 27852169

Jelsness-Jørgensen LP, Frigstad SO, Moum B, Grimstad T, Opheim R, Jahnsen J, Bernklev T (2016)
Pain may be an important factor to consider in inflammatory bowel disease patients troubled by fatigue
United European Gastroenterol J, 5 (5), 687-693
DOI 10.1177/2050640616674654, PubMed 28815032

Frigstad SO, Høivik M, Jahnsen J, Dahl SR, Cvancarova M, Grimstad T, Berset IP, Huppertz-Hauss G, Hovde Ø, Torp R, Bernklev T, Moum B, Jelsness-Jørgensen LP (2016)
Vitamin D deficiency in inflammatory bowel disease: prevalence and predictors in a Norwegian outpatient population
Scand J Gastroenterol, 52 (1), 100-106
DOI 10.1080/00365521.2016.1233577, PubMed 27603182

Knudsen MD, de Lange T, Botteri E, Nguyen DH, Evensen H, Steen CB, Hoff G, Bernklev T, Hjartåker A, Berstad P (2016)
Favorable lifestyle before diagnosis associated with lower risk of screen-detected advanced colorectal neoplasia
World J Gastroenterol, 22 (27), 6276-86
DOI 10.3748/wjg.v22.i27.6276, PubMed 27468217

Huppertz-Hauss G, Lie Høivik M, Jelsness-Jørgensen LP, Henriksen M, Høie O, Jahnsen J, Hoff G, Moum B, Bernklev T (2016)
Health-related Quality of Life in Patients with Inflammatory Bowel Disease 20 Years After Diagnosis: Results from the IBSEN Study
Inflamm Bowel Dis, 22 (7), 1679-87
DOI 10.1097/MIB.0000000000000806, PubMed 27206016

Nøstdahl T, Bernklev T, Raeder J, Sandvik L, Fredheim O (2016)
Postoperative fatigue; translation and validation of a revised 10-item short form of the Identity-Consequence Fatigue Scale (ICFS)
J Psychosom Res, 84, 1-7
DOI 10.1016/j.jpsychores.2016.03.002, PubMed 27095152

Kirkøen B, Berstad P, Botteri E, Åvitsland TL, Ossum AM, de Lange T, Hoff G, Bernklev T (2016)
Do no harm: no psychological harm from colorectal cancer screening
Br J Cancer, 114 (5), 497-504
DOI 10.1038/bjc.2016.14, PubMed 26867161

Hovde Ø, Småstuen MC, Høivik ML, Bernklev T, Huppertz-Hauss G, Høie O, Jahnsen J, Stray N, Henriksen M, Solberg IC, Moum BA (2016)
Mortality and Causes of Death in Ulcerative Colitis: Results from 20 Years of Follow-up in the IBSEN Study
Inflamm Bowel Dis, 22 (1), 141-5
DOI 10.1097/MIB.0000000000000582, PubMed 26355464

Opheim R, Lie Høivik M, Bernklev T, Jelsness-Jørgensen LP, Moum B (2016)
The Use of Complementary and Alternative Medicine among Patients with Inflammatory Bowel Disease Is Associated with Reduced Health-Related Quality of Life
Gastroenterol Res Pract, 2016, 6453657
DOI 10.1155/2016/6453657, PubMed 28003821

Huppertz-Hauss G, Aas E, Lie Høivik M, Langholz E, Odes S, Småstuen M, Stockbrugger R, Hoff G, Moum B, Bernklev T (2016)
Comparison of the Multiattribute Utility Instruments EQ-5D and SF-6D in a Europe-Wide Population-Based Cohort of Patients with Inflammatory Bowel Disease 10 Years after Diagnosis
Gastroenterol Res Pract, 2016, 5023973
DOI 10.1155/2016/5023973, PubMed 27630711

Jelsness-Jørgensen LP, Moum B, Grimstad T, Jahnsen J, Opheim R, Prytz Berset I, Hovde Ø, Torp R, Frigstad SO, Huppertz-Hauss G, Bernklev T (2016)
Validity, Reliability, and Responsiveness of the Brief Pain Inventory in Inflammatory Bowel Disease
Can J Gastroenterol Hepatol, 2016, 5624261
DOI 10.1155/2016/5624261, PubMed 27446848

Jelsness-Jørgensen LP, Bernklev T, Hovde Ø, Prytz Berset I, Huppertz-Hauss G, Moum B, Lie Høivik M (2015)
Patients' perceptions of quality of care and follow-up in inflammatory bowel disease
Scand J Gastroenterol, 51 (4), 434-41
DOI 10.3109/00365521.2015.1102319, PubMed 26635189

Risstad H, Søvik TT, Hewitt S, Kristinsson JA, Fagerland MW, Bernklev T, Mala T (2015)
Changes in Health-Related Quality of Life After Gastric Bypass in Patients With and Without Obesity-Related Disease
Obes Surg, 25 (12), 2408-16
DOI 10.1007/s11695-015-1717-4, PubMed 26003550

Andersen RD, Bernklev T, Langius-Eklöf A, Nakstad B, Jylli L (2015)
The COMFORT behavioural scale provides a useful assessment of sedation, pain and distress in toddlers undergoing minor elective surgery
Acta Paediatr, 104 (9), 904-9
DOI 10.1111/apa.13045, PubMed 25980339

Huppertz-Hauss G, Høivik ML, Langholz E, Odes S, Småstuen M, Stockbrugger R, Hoff G, Moum B, Bernklev T (2015)
Health-related quality of life in inflammatory bowel disease in a European-wide population-based cohort 10 years after diagnosis
Inflamm Bowel Dis, 21 (2), 337-44
DOI 10.1097/MIB.0000000000000272, PubMed 25569735

Isene R, Bernklev T, Høie O, Munkholm P, Tsianos E, Stockbrügger R, Odes S, Palm Ø, Småstuen M, Moum B, EC-IBD Study Group (2014)
Extraintestinal manifestations in Crohn's disease and ulcerative colitis: results from a prospective, population-based European inception cohort
Scand J Gastroenterol, 50 (3), 300-5
DOI 10.3109/00365521.2014.991752, PubMed 25535653

Isene R, Bernklev T, Høie O, Langholz E, Tsianos E, Stockbrügger R, Odes S, Småstuen M, Moum B, EC-IBD Study Group (2014)
Thromboembolism in inflammatory bowel disease: results from a prospective, population-based European inception cohort
Scand J Gastroenterol, 49 (7), 820-5
DOI 10.3109/00365521.2014.910545, PubMed 24754745

Opheim R, Fagermoen MS, Jelsness-Jørgensen LP, Bernklev T, Moum B (2014)
Sense of coherence in patients with inflammatory bowel disease
Gastroenterol Res Pract, 2014, 989038
DOI 10.1155/2014/989038, PubMed 24527028

Jelsness-Jørgensen LP, Bernklev T, Moum B (2014)
Coexisting irritable bowel-like symptoms in inflammatory bowel disease in remission is associated with impaired social functioning and increased bodily pain
Gastroenterol Nurs, 37 (4), 280-7
DOI 10.1097/SGA.0000000000000055, PubMed 25078042

Opheim R, Fagermoen MS, Bernklev T, Jelsness-Jorgensen LP, Moum B (2013)
Fatigue interference with daily living among patients with inflammatory bowel disease
Qual Life Res, 23 (2), 707-17
DOI 10.1007/s11136-013-0508-4, PubMed 23975381

Aftab H, Risstad H, Søvik TT, Bernklev T, Hewitt S, Kristinsson JA, Mala T (2013)
Five-year outcome after gastric bypass for morbid obesity in a Norwegian cohort
Surg Obes Relat Dis, 10 (1), 71-8
DOI 10.1016/j.soard.2013.05.003, PubMed 24182445

Jelsness-Jørgensen LP, Bernklev T, Moum B (2013)
Calprotectin Is a Useful Tool in Distinguishing Coexisting Irritable Bowel-Like Symptoms from That of Occult Inflammation among Inflammatory Bowel Disease Patients in Remission
Gastroenterol Res Pract, 2013, 620707
DOI 10.1155/2013/620707, PubMed 23476638

Opheim R, Bernklev T, Fagermoen MS, Cvancarova M, Moum B (2012)
Use of complementary and alternative medicine in patients with inflammatory bowel disease: results of a cross-sectional study in Norway
Scand J Gastroenterol, 47 (12), 1436-47
DOI 10.3109/00365521.2012.725092, PubMed 23003678

Jelsness-Jørgensen LP, Bernklev T, Moum B (2012)
Fatigue and disease-related worries among inflammatory bowel disease patients in remission; is it a reflection of coexisting IBS-like symptoms? A short report
J Psychosom Res, 73 (6), 469-72
DOI 10.1016/j.jpsychores.2012.08.009, PubMed 23148817

Høivik ML, Moum B, Solberg IC, Henriksen M, Cvancarova M, Bernklev T, IBSEN Group (2012)
Work disability in inflammatory bowel disease patients 10 years after disease onset: results from the IBSEN Study
Gut, 62 (3), 368-75
DOI 10.1136/gutjnl-2012-302311, PubMed 22717453

Jelsness-Jørgensen LP, Bernklev T, Henriksen M, Torp R, Moum B (2012)
Is patient reported outcome (PRO) affected by different follow-up regimens in inflammatory bowel disease (IBD)? A one year prospective, longitudinal comparison of nurse-led versus conventional follow-up
J Crohns Colitis, 6 (9), 887-94
DOI 10.1016/j.crohns.2012.01.021, PubMed 22398072

Jelsness-Jørgensen LP, Bernklev T, Henriksen M, Torp R, Moum B (2012)
Chronic fatigue is associated with increased disease-related worries and concerns in inflammatory bowel disease
World J Gastroenterol, 18 (5), 445-52
DOI 10.3748/wjg.v18.i5.445, PubMed 22346250

Jelsness-Jørgensen LP, Bernklev T, Moum B (2011)
Quality of life in patients with inflammatory bowel disease: translation, validity, reliability and sensitivity to change of the Norwegian version of the short health scale (SHS)
Qual Life Res, 21 (9), 1671-6
DOI 10.1007/s11136-011-0081-7, PubMed 22146840

Høivik ML, Bernklev T, Solberg IC, Cvancarova M, Lygren I, Jahnsen J, Moum B, IBSEN Study Group (2011)
Patients with Crohn's disease experience reduced general health and vitality in the chronic stage: ten-year results from the IBSEN study
J Crohns Colitis, 6 (4), 441-53
DOI 10.1016/j.crohns.2011.10.001, PubMed 22398064

Hoivik ML, Moum B, Solberg IC, Cvancarova M, Hoie O, Vatn MH, Bernklev T, IBSEN Study Group (2011)
Health-related quality of life in patients with ulcerative colitis after a 10-year disease course: results from the IBSEN study
Inflamm Bowel Dis, 18 (8), 1540-9
DOI 10.1002/ibd.21863, PubMed 21936030

Jelsness-Jørgensen LP, Ribu L, Bernklev T, Moum BA (2011)
Measuring health-related quality of life in non-complicated diabetes patients may be an effective parameter to assess patients at risk of a more serious disease course: a cross-sectional study of two diabetes outpatient groups
J Clin Nurs, 20 (9-10), 1255-63
DOI 10.1111/j.1365-2702.2010.03554.x, PubMed 21401763

Jelsness-Jørgensen LP, Moum B, Bernklev T (2011)
Worries and Concerns among Inflammatory Bowel Disease Patients Followed Prospectively over One Year
Gastroenterol Res Pract, 2011, 492034
DOI 10.1155/2011/492034, PubMed 21912537

Jelsness-Jørgensen LP, Bernklev T, Henriksen M, Torp R, Moum BA (2010)
Chronic fatigue is more prevalent in patients with inflammatory bowel disease than in healthy controls
Inflamm Bowel Dis, 17 (7), 1564-72
DOI 10.1002/ibd.21530, PubMed 21674713

Jelsness-Jørgensen LP, Bernklev T, Henriksen M, Torp R, Moum BA (2010)
Chronic fatigue is associated with impaired health-related quality of life in inflammatory bowel disease
Aliment Pharmacol Ther, 33 (1), 106-14
DOI 10.1111/j.1365-2036.2010.04498.x, PubMed 21083587

Odes S, Vardi H, Friger M, Esser D, Wolters F, Moum B, Waters H, Elkjaer M, Bernklev T, Tsianos E, O'Morain C, Stockbrügger R, Munkholm P, Langholz E (2009)
Clinical and economic outcomes in a population-based European cohort of 948 ulcerative colitis and Crohn's disease patients by Markov analysis
Aliment Pharmacol Ther, 31 (7), 735-44
DOI 10.1111/j.1365-2036.2009.04228.x, PubMed 20047578

Solberg IC, Lygren I, Jahnsen J, Aadland E, Høie O, Cvancarova M, Bernklev T, Henriksen M, Sauar J, Vatn MH, Moum B, IBSEN Study Group (2009)
Clinical course during the first 10 years of ulcerative colitis: results from a population-based inception cohort (IBSEN Study)
Scand J Gastroenterol, 44 (4), 431-40
DOI 10.1080/00365520802600961, PubMed 19101844

Høie O, Aamodt G, Vermeire S, Bernklev T, Odes S, Wolters FL, Riis L, Politi P, Tsianos EV, Butrón M, Stockbrügger RW, Munkholm P, Vatn M, Moum B, European Collaborative study group of Inflammatory Bowel Disease (EC-IBD) (2007)
Serological markers are associated with disease course in ulcerative colitis. A study in an unselected population-based cohort followed for 10 years
J Crohns Colitis, 2 (2), 114-22
DOI 10.1016/j.crohns.2007.10.001, PubMed 21172201

Odes S, Vardi H, Friger M, Wolters F, Hoie O, Moum B, Bernklev T, Yona H, Russel M, Munkholm P, Langholz E, Riis L, Politi P, Bondini P, Tsianos E, Katsanos K, Clofent J, Vermeire S, Freitas J, Mouzas I, Limonard C, O'Morain C, Monteiro E, Fornaciari G, Vatn M et al. (2007)
Effect of phenotype on health care costs in Crohn's disease: A European study using the Montreal classification
J Crohns Colitis, 1 (2), 87-96
DOI 10.1016/j.crohns.2007.08.004, PubMed 21172190

Höie O, Wolters F, Riis L, Aamodt G, Solberg C, Bernklev T, Odes S, Mouzas IA, Beltrami M, Langholz E, Stockbrügger R, Vatn M, Moum B, European Collaborative Study Group of Inflammatory Bowel Disease (EC-IBD) (2007)
Ulcerative colitis: patient characteristics may predict 10-yr disease recurrence in a European-wide population-based cohort
Am J Gastroenterol, 102 (8), 1692-701
DOI 10.1111/j.1572-0241.2007.01265.x, PubMed 17555460

Hoie O, Wolters FL, Riis L, Bernklev T, Aamodt G, Clofent J, Tsianos E, Beltrami M, Odes S, Munkholm P, Vatn M, Stockbrügger RW, Moum B, European Collaborative Study Group of Inflammatory Bowel Disease (2006)
Low colectomy rates in ulcerative colitis in an unselected European cohort followed for 10 years
Gastroenterology, 132 (2), 507-15
DOI 10.1053/j.gastro.2006.11.015, PubMed 17258717

Bernklev T, Jahnsen J, Henriksen M, Lygren I, Aadland E, Sauar J, Schulz T, Stray N, Vatn M, Moum B (2006)
Relationship between sick leave, unemployment, disability, and health-related quality of life in patients with inflammatory bowel disease
Inflamm Bowel Dis, 12 (5), 402-12
DOI 10.1097/01.MIB.0000218762.61217.4a, PubMed 16670530

Wolters FL, Russel MG, Sijbrandij J, Ambergen T, Odes S, Riis L, Langholz E, Politi P, Qasim A, Koutroubakis I, Tsianos E, Vermeire S, Freitas J, van Zeijl G, Hoie O, Bernklev T, Beltrami M, Rodriguez D, Stockbrügger RW, Moum B (2005)
Phenotype at diagnosis predicts recurrence rates in Crohn's disease
Gut, 55 (8), 1124-30
DOI 10.1136/gut.2005.084061, PubMed 16361306

Bernklev T, Jahnsen J, Schulz T, Sauar J, Lygren I, Henriksen M, Stray N, Kjellevold Ø, Aadland E, Vatn M, Moum B (2005)
Course of disease, drug treatment and health-related quality of life in patients with inflammatory bowel disease 5 years after initial diagnosis
Eur J Gastroenterol Hepatol, 17 (10), 1037-45
DOI 10.1097/00042737-200510000-00006, PubMed 16148548

Bernklev T, Jahnsen J, Lygren I, Henriksen M, Vatn M, Moum B (2005)
Health-related quality of life in patients with inflammatory bowel disease measured with the short form-36: psychometric assessments and a comparison with general population norms
Inflamm Bowel Dis, 11 (10), 909-18
DOI 10.1097/01.mib.0000179467.01748.99, PubMed 16189421

Palm Ø, Bernklev T, Moum B, Gran JT (2005)
Non-inflammatory joint pain in patients with inflammatory bowel disease is prevalent and has a significant impact on health related quality of life
J Rheumatol, 32 (9), 1755-9
PubMed 16142874

van der Eijk I, Vlachonikolis IG, Munkholm P, Nijman J, Bernklev T, Politi P, Odes S, Tsianos EV, Stockbrügger RW, Russel MG, EC-IBD Study Group (2004)
The role of quality of care in health-related quality of life in patients with IBD
Inflamm Bowel Dis, 10 (4), 392-8
DOI 10.1097/00054725-200407000-00010, PubMed 15475747

Bernklev T, Jahnsen J, Aadland E, Sauar J, Schulz T, Lygren I, Henriksen M, Stray N, Kjellevold O, Vatn M, Moum B, IBSEN Study Group (2004)
Health-related quality of life in patients with inflammatory bowel disease five years after the initial diagnosis
Scand J Gastroenterol, 39 (4), 365-73
DOI 10.1080/00365520310008386, PubMed 15125469

Bernklev T, Moum B, Moum T, Inflammatory Bowel South-Eastern Norway (IBSEN) Group of Gastroenterologists (2002)
Quality of life in patients with inflammatory bowel disease: translation, data quality, scaling assumptions, validity, reliability and sensitivity to change of the Norwegian version of IBDQ
Scand J Gastroenterol, 37 (10), 1164-74
DOI 10.1080/003655202760373371, PubMed 12408521

Hatlebakk JG, Hyggen A, Madsen PH, Walle PO, Schulz T, Mowinckel P, Bernklev T, Berstad A (1999)
Heartburn treatment in primary care: randomised, double blind study for 8 weeks
BMJ, 319 (7209), 550-3
DOI 10.1136/bmj.319.7209.550, PubMed 10463897

Efskind PS, Bernklev T, Vatn MH (1996)
A double-blind placebo-controlled trial with loperamide in irritable bowel syndrome
Scand J Gastroenterol, 31 (5), 463-8
DOI 10.3109/00365529609006766, PubMed 8734343

Farup PG, Rosseland AR, Halvorsen L, Andersen OK, Bernklev T (1989)
Duodenal ulcer treated with omeprazole: healing and relapse rates. Does treatment duration influence subsequent remission?
Scand J Gastroenterol, 24 (9), 1107-12
DOI 10.3109/00365528909089263, PubMed 2688070

FARUP PG, DARLE N, FALK A, BERNKLEV T (1988)
TREATMENT OF BENIGN GASTRIC-ULCER WITH OMEPRAZOLE 30 MG ONCE DAILY
Curr. Ther. Res.-Clin. Exp., 43 (5), 872-877

Farup PG, Andersen OK, Hasvoll A, Petersen H, Bernklev T (1986)
Patient compliance with intensive antacid treatment. A multi-centre study
Hepatogastroenterology, 33 (6), 260-1
PubMed 3542771

Naesdal J, Lind T, Bergsåker-Aspöy J, Bernklev T, Farup PG, Gillberg R, Halvorsen L, Kilander A, Offergaard S, Walan A (1985)
The rate of healing of duodenal ulcers during omeprazole treatment
Scand J Gastroenterol, 20 (6), 691-5
DOI 10.3109/00365528509089196, PubMed 3898347

Review articles

Astrup GL, Rohde G, Rimehaug SA, Andersen MH, Bernklev T, Bjordal K, Falk RS, Jørgensen NMH, Stavem K, Tollisen A, Amdal CD, (2021)
Comparing the use of patient-reported outcomes in clinical studies in Europe in 2008 and 2018: a literature review
Qual Life Res, 31 (3), 659-669
DOI 10.1007/s11136-021-02946-7, PubMed 34350566

Jelsness-Jørgensen LP, Bernklev T, Lundin KEA (2018)
Fatigue as an Extra-Intestinal Manifestation of Celiac Disease: A Systematic Review
Nutrients, 10 (11)
DOI 10.3390/nu10111652, PubMed 30400298

Andersen RD, Langius-Eklöf A, Nakstad B, Bernklev T, Jylli L (2017)
The measurement properties of pediatric observational pain scales: A systematic review of reviews
Int J Nurs Stud, 73, 93-101
DOI 10.1016/j.ijnurstu.2017.05.010, PubMed 28558342

Jensen Ø, Bernklev T, Jelsness-Jørgensen LP (2016)
Fatigue in type 1 diabetes: A systematic review of Observational studies
Diabetes Res Clin Pract, 123, 63-74
DOI 10.1016/j.diabres.2016.11.002, PubMed 28002753

Hoivik ML, Bernklev T, Moum B (2010)
Need for standardization in population-based quality of life studies: a review of the current literature
Inflamm Bowel Dis, 16 (3), 525-36
DOI 10.1002/ibd.21032, PubMed 19637337

Elkjaer M, Moser G, Reinisch W, Durovicova D, Lukas M, Vucelic B, Wewer V, Frederic Colombel J, Shuhaibar M, O'Morain C, Politi P, Odes S, Bernklev T, Oresland T, Nikulina I, Belousova E, Van der Eijk I, Munkholm P (2008)
IBD patients need in health quality of care ECCO consensus
J Crohns Colitis, 2 (2), 181-8
DOI 10.1016/j.crohns.2008.02.001, PubMed 21172209

Other articles

Hoff G, Bernklev T, Johnsen L, Reitsma L, Sina D, Lauzike A, Gibbs C, Carlsen E, Lende TH, Narvestad JK, Kildahl R, Omdal R, Kvaløy JT, Søiland H (2023)
Thyroidectomy for Euthyroid Patients With Hashimoto Disease and Persisting Symptoms
Ann Intern Med, 177 (1), 101-103
DOI 10.7326/M23-1593, PubMed 38011703

Enden T, Bernklev T, Jelsness-Jorgensen LP, Amdal CD (2018)
Patients know their own health best
Tidsskr. Nor. Laegeforen., 138 (8), 716-718

Moum B, Jahnsen J, Bernklev T (2010)
Fecal calprotectin variability in Crohn's disease
Inflamm Bowel Dis, 16 (7), 1091-2
DOI 10.1002/ibd.21136, PubMed 19834972

Book chapters

Bernklev T, Jahnsen J, Aadland E, Sauar J, Schulz T, Lygren I, Henriksen M, Stray N, Kjellevold O, Vatn MH, Moum B (2004)
Health-related quality of life in patients with inflammatory bowel disease five years after the inital diagnosis
In Scandinavian journal of gastroenterology, Taylor & Francis, Basingstoke, 39(2004)4, s. 365-73
BIBSYS 051773643

Henriksen M, Jahnsen J, Bernklev T (2003)
Clinical course and prognostic factors in IBD 5 years after diagnosis
In Gut, British Medical Association, London, 52(2003)suppl 6, s.A3
BIBSYS 041733630

Bernklev T, Moum B, Jahnsen J, Vatn MH (2003)
Variables influencing health related quality of life (HRQOL) in patients with inflammatory bowel disease (IBD)
In Gastroenterology, Gastroenterology, Baltimore, Md., 124(2003)suppl 1, s.A218 abstrakt S1439
BIBSYS 041729781

Moum B, Jahnsen J, Vatn MH, Bernklev T (2003)
Familial occurence og IBD in Ulcerative colitis and Crohn's disease patients and the significance of this for disease behaviour
In Gastroenterology, Gastroenterology, Baltimore, Md., 124(2003)suppl 1, s.A210 abstract S1400
BIBSYS 041734653

Bernklev T, Henriksen M, Jahnsen J, Lygren I, Sauar J, Stary N, Kjellevold O, Aadland E, Vatn MH, Moum B (2003)
Health related quality of life five years after diagnosisin a prospective follow up study of patients with inflammatory bowel disease
In Gut, British Medical Association, London, 52(2003)suppl 6, s.A40
BIBSYS 041729900

Bernklev T, Jahnsen J, Henriksen M, Sauar J, Lygren I, Aadland E (2003)
Is a more severe course of inflammatory bowel disease reflected in the patients' health related quality of life 5 years after diagnosis in a prospective follow up study?
In Gut, British Medical Association, London, 52(2003)suppl 6, s.A207
BIBSYS 041731417

Bernklev T, Moum B, Jahnsen J, Vatn MH (2003)
Variables influencing health related quality of life in patients with inflammatory bowel disease
In Gastroenterology, Gastroenterology, Baltimore, Md., 124(2003)suppl 1, s.A20 abstrakt S1399
BIBSYS 041729730

Bernklev T, Moum B, Moum T (2002)
Quality of life in patients with inflammatory bowel disease: translation, data quality, scaling assumptions, validity,reliability and sensitivity to change of the Norwegian version of IBDQ
In Scandinavian journal of gastroenterology, Taylor & Francis, Basingstoke, 37(2002)nr 10, s. 1164-1174
BIBSYS 031388256

Theses

Bernklev T (2006)
Health-related quality of life in inflammatory bowel disease: a population-based study
In Series of dissertations submitted to the Faculty of Medicine, University of Oslo, Unipub, Oslo, no. 403, 1 b. (flere pag.)
BIBSYS 061010863, ISBN 82-8072-850-3