Publications 2025

Berge MB, Jacobsen AF, Yli BM, Staff AC, Gunnes N, Falk RS, Helgadottir LB, Kessler J (2025)
A direct comparison of the diagnostic accuracy of ST segment analysis (STAN) and fetal scalp blood sample lactate: A population-based observational study
Eur J Obstet Gynecol Reprod Biol, 308, 147-152 (in press)
DOI 10.1016/j.ejogrb.2025.03.002, PubMed 40054097

Pettersen S, Falk RS, Vangen S, Nyfløt LT (2025)
Tone or tissue? A comparison of trends and risk factors of severe postpartum hemorrhage according to uterine atony or retained tissue in a hospital setting
PLoS One, 20 (2), e0318770
DOI 10.1371/journal.pone.0318770, PubMed 39899591

Publications 2024

Andresen NK, Røssevold AH, Borgen E, Schirmer CB, Gilje B, Garred Ø, Lømo J, Stensland M, Nordgård O, Falk RS, Mathiesen RR, Russnes HG, Kyte JA, Naume B (2024)
Circulating tumor cells in metastatic breast cancer patients treated with immune checkpoint inhibitors - a biomarker analysis of the ALICE and ICON trials
Mol Oncol (in press)
DOI 10.1002/1878-0261.13675, PubMed 38978352

Andresen NK, Røssevold AH, Quaghebeur C, Gilje B, Boge B, Gombos A, Falk RS, Mathiesen RR, Julsrud L, Garred Ø, Russnes HG, Lereim RR, Chauhan SK, Lingjærde OC, Dunn C, Naume B, Kyte JA (2024)
Ipilimumab and nivolumab combined with anthracycline-based chemotherapy in metastatic hormone receptor-positive breast cancer: a randomized phase 2b trial
J Immunother Cancer, 12 (1)
DOI 10.1136/jitc-2023-007990, PubMed 38242720

Bjerre Trent PK, Nordskar NJ, Wangen KR, Engeskaug MI, Opheim MLØ, Aune G, Staff AC, Thorsen L, Falk RS, Eriksson AGZ (2024)
Corrigendum to "Self-reported lower extremity lymphedema and quality of life after surgical staging of endometrial carcinoma: A population based cross-sectional study" [Gynecologic Oncology 175 (2023) 72-80]
Gynecol Oncol, 183, 7-8
DOI 10.1016/j.ygyno.2024.02.026, PubMed 38484693

Gulseth E, Urdal A, Andersen MH, Falk RS, Aksnes G, Emblem R, Diseth T, Wæhre A (2024)
Mental health and health-related quality of life in adolescents surgically treated for hypospadias in childhood
J Pediatr Urol, 21 (1), 59-70
DOI 10.1016/j.jpurol.2024.09.031, PubMed 39490269

Huynh TM, Falk RS, Hellebust TP, Dale E, Astrup GL, Hjermstad MJ, Malinen E, Bjordal K, Kiserud CE, Herlofson BB, Nome R, Amdal CD (2024)
Chronic fatigue in long-term survivors of head and neck cancer treated with radiotherapy
Radiother Oncol, 195, 110231
DOI 10.1016/j.radonc.2024.110231, PubMed 38518958

Ohnstad HO, Blix ES, Akslen LA, Gilje B, Raj SX, Skjerven H, Borgen E, Janssen EAM, Mortensen E, Brekke MB, Falk RS, Schlichting E, Boge B, Songe-Møller S, Olsson P, Heie A, Mannsåker B, Vestlid MA, Kursetgjerde T, Gravdehaug B, Suhrke P, Sanchez E, Bublevic J, Røe OD, Geitvik GA et al. (2024)
Impact of Prosigna test on adjuvant treatment decision in lymph node-negative early breast cancer-a prospective national multicentre study (EMIT-1)
ESMO Open, 9 (6), 103475
DOI 10.1016/j.esmoop.2024.103475, PubMed 38838499

Puco K, Fagereng GL, Brabrand S, Niehusmann P, Støre Blix E, Samdal Steinskog ES, Haug Å, Fredvik Torkildsen C, Oppedal IA, Meltzer S, Flobak Å, Johansson KAM, Bjørge L, Hjortland GO, Dalhaug A, Lund JÅ, Gilje B, Grønlie Cameron M, Hovland R, Falk RS, Smeland S, Giercksky Russnes HE, Taskén K, Helland Å, InPreD Consortium et al. (2024)
IMPRESS-Norway: improving public cancer care by implementing precision medicine in Norway; inclusion rates and preliminary results
Acta Oncol, 63, 379-384
DOI 10.2340/1651-226X.2024.28322, PubMed 38779911

Sjøen GH, Falk RS, Hauge TH, Tønnessen TI, Langesæter E (2024)
Haemodynamic effects of remifentanil during induction of general anaesthesia with propofol. A randomised trial
Acta Anaesthesiol Scand, 68 (5), 601-609
DOI 10.1111/aas.14394, PubMed 38400761

Publications 2023

Amdal CD, Moan JM, Dale E, Falk RS, Johansen S, Bjordal K (2023)
Impact of hyperfractionated re-irradiation on quality of life in patients with recurrent or second primary head and neck cancer, a prospective single institutional study
Clin Transl Radiat Oncol, 42, 100654
DOI 10.1016/j.ctro.2023.100654, PubMed 37415638

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

Bjerre Trent P, Falk RS, Staff AC, Jorde D, Eriksson AG (2023)
Translation and cross-cultural adaptation of the Gynecologic Cancer Lymphedema Questionnaire and the Lower Extremity Lymphedema Screening Questionnaire
Int J Gynecol Cancer, 33 (2), 231-235
DOI 10.1136/ijgc-2022-003979, PubMed 36600491

Bjerre Trent PK, Nordskar NJ, Wangen KR, Engeskaug MI, Opheim MLØ, Aune G, Staff AC, Thorsen L, Falk RS, Eriksson AGZ (2023)
Self-reported lower extremity lymphedema and quality of life after surgical staging of endometrial carcinoma: A population based cross-sectional study
Gynecol Oncol, 175, 72-80
DOI 10.1016/j.ygyno.2023.05.070, PubMed 37327542

Dahl AA, Smedsland SK, Vandraas KF, Bøhn SK, Falk RS, Kiserud CE, Reinertsen KV (2023)
High neuroticism is associated with common late adverse effects in a nationwide sample of long-term breast cancer survivors
Breast Cancer Res Treat, 202 (1), 97-104
DOI 10.1007/s10549-023-07055-2, PubMed 37528264

Egilsdottir HÖ, Heyn LG, Falk RS, Brembo EA, Byermoen KR, Moen A, Eide H (2023)
Factors associated with changes in students' self-reported nursing competence after clinical rotations: a quantitative cohort study
BMC Med Educ, 23 (1), 107
DOI 10.1186/s12909-023-04078-7, PubMed 36774493

Gjersvik P, Falk RS, Roscher I, Rizvi SMH, Mjøen G, Gude E, Leuckfeld I, Boberg KM, Veierød MB, Robsahm TE (2023)
Rates of Second Tumor, Metastasis, and Death From Cutaneous Squamous Cell Carcinoma in Patients With and Without Transplant-Associated Immunosuppression
JAMA Dermatol, 159 (9), 923-929
DOI 10.1001/jamadermatol.2023.2029, PubMed 37466985

Gulseth E, Urdal A, Andersen MH, Falk RS, Aksnes G, Emblem R, Wæhre A (2023)
Sexual well-being and penile appearance in adolescents operated for distal hypospadias in childhood
J Pediatr Urol, 19 (3), 293.e1-293.e8
DOI 10.1016/j.jpurol.2023.03.001, PubMed 36935329

Huynh TM, Dale E, Falk RS, Hellebust TP, Astrup GL, Malinen E, Edin NFJ, Bjordal K, Herlofson BB, Kiserud CE, Helland Å, Amdal CD (2023)
Radiation-induced long-term dysphagia in survivors of head and neck cancer and association with dose-volume parameters
Radiother Oncol, 190, 110044
DOI 10.1016/j.radonc.2023.110044, PubMed 38061420

Liu L, Choi J, Musoro JZ, Sauerbrei W, Amdal CD, Alanya A, Barbachano Y, Cappelleri JC, Falk RS, Fiero MH, Regnault A, Reijneveld JC, Sandin R, Thomassen D, Roychoudhury S, Goetghebeur E, le Cessie S, SISAQOL-IMI Work Package 3 (2023)
Single-arm studies involving patient-reported outcome data in oncology: a literature review on current practice
Lancet Oncol, 24 (5), e197-e206
DOI 10.1016/S1470-2045(23)00110-9, PubMed 37142381

Næss-Andresen ML, Jenum AK, Berg JP, Falk RS, Sletner L (2023)
The impact of recommending iron supplements to women with depleted iron stores in early pregnancy on use of supplements, and factors associated with changes in iron status from early pregnancy to postpartum in a multi-ethnic population-based cohort
BMC Pregnancy Childbirth, 23 (1), 350
DOI 10.1186/s12884-023-05668-5, PubMed 37179290

Pe M, Alanya A, Falk RS, Amdal CD, Bjordal K, Chang J, Cislo P, Coens C, Dirven L, Speck RM, Fitzgerald K, Galinsky J, Giesinger JM, Holzner B, Le Cessie S, O'Connor D, Oliver K, Pawar V, Quinten C, Schlichting M, Ren J, Roychoudhury S, Taphoorn MJB, Velikova G, Wintner LM et al. (2023)
Setting International Standards in Analyzing Patient-Reported Outcomes and Quality of Life Endpoints in Cancer Clinical Trials-Innovative Medicines Initiative (SISAQOL-IMI): stakeholder views, objectives, and procedures
Lancet Oncol, 24 (6), e270-e283
DOI 10.1016/S1470-2045(23)00157-2, PubMed 37269858

Pettersen S, Falk RS, Vangen S, Nyfløt LT (2023)
Exploring trends of severe postpartum haemorrhage: a hospital-based study
BMC Pregnancy Childbirth, 23 (1), 363
DOI 10.1186/s12884-023-05702-6, PubMed 37208647

Robsahm TE, Falk RS, Eide NA (2023)
Additional malignancies and mortality in uveal melanoma: A 20-year follow-up of a Norwegian patient cohort
Acta Ophthalmol, 101 (6), 696-704
DOI 10.1111/aos.15659, PubMed 36924309

Saga E, Falk RS, Bing-Jonsson PC, Skovdahl KI, Lindholm E (2023)
Nurse-led ultrasound-guided femoral nerve block: A randomised controlled trial of two different patient flow systems in an emergency department
Int J Orthop Trauma Nurs, 52, 101074
DOI 10.1016/j.ijotn.2023.101074, PubMed 38070309

Sjøen GH, Falk RS, Hauge TH, Tønnessen TI, Langesaeter E (2023)
Hemodynamic effects of a low versus a high dose of propofol during induction of anesthesia. A randomized trial
Acta Anaesthesiol Scand, 67 (9), 1178-1186
DOI 10.1111/aas.14293, PubMed 37291731

Smedsland SK, Falk RS, Reinertsen KV, Kiserud CE, Brekke M, Bøhn SH, Dahl AA, Vandraas KF (2023)
Burden of late effects in a nationwide sample of long-term breast cancer survivors
Cancer, 130 (1), 140-149
DOI 10.1002/cncr.35019, PubMed 37776533

Smedsland SK, Vandraas KF, Falk RS, Horn J, Reidunsdatter RJ, Kiserud CE, Dahl AA, Brekke M, Reinertsen KV (2023)
Sexual health in long-term breast cancer survivors: a comparison with female population controls from the HUNT study
Breast Cancer Res Treat, 201 (3), 479-488
DOI 10.1007/s10549-023-07021-y, PubMed 37490170

Vandraas K, Reinertsen KV, Smedsland S, Bøhn S, Kiserud C, Falk RS, Lie HC (2023)
Fear of cancer recurrence eight years after early-stage breast cancer - results from a national survey
Acta Oncol, 62 (6), 635-641
DOI 10.1080/0284186X.2023.2224052, PubMed 37337306

Publications 2022

Amdal CD, Falk RS, Singer S, Pe M, Piccinin C, Bottomley A, Appiah LT, Arraras JI, Bayer O, Buanes EA, Darlington AS, Arbanas GD, Hofsø K, Holzner B, Sahlstrand-Johnson P, Kuliś D, Parmar G, Rmeileh NMEA, Schranz M, Sodergren S, Bjordal K (2022)
A multicenter international prospective study of the validity and reliability of a COVID-19-specific health-related quality of life questionnaire
Qual Life Res, 32 (2), 447-459
DOI 10.1007/s11136-022-03272-2, PubMed 36273365

Amdal CD, Taylor K, Kuliś D, Falk RS, Bottomley A, Arraras JI, Barte JH, Darlington AS, Hofsø K, Holzner B, Jørgensen NMH, Mariano MP, Pe M, Piccinin C, Riccetti N, Schranz M, Wheelwright S, Bjordal K (2022)
Health-related quality of life in patients with COVID-19; international development of a patient-reported outcome measure
J Patient Rep Outcomes, 6 (1), 26
DOI 10.1186/s41687-022-00434-1, PubMed 35348945

Bøhn SH, Vandraas KF, Kiserud CE, Dahl AA, Thorsen L, Ewertz M, Lie HC, Falk R, Reinertsen KV (2022)
Work status changes and associated factors in a nationwide sample of Norwegian long-term breast cancer survivors
J Cancer Surviv, 18 (2), 375-384
DOI 10.1007/s11764-022-01202-2, PubMed 35314959

Flynn FM, Bing-Jonsson PC, Falk RS, Tønnessen S, Valeberg BT (2022)
Educating for Excellence: A Cohort Study on Assessing Student Nurse Anesthetist Non-Technical Skills in Clinical Practice
AANA J, 90 (1), 7-15
PubMed 35076378

Huynh TTM, Aass HCD, Falk RS, Astrup GL, Helland Å, Bjøro T, Bjordal K, Dale E, Hellebust TP, Herlofson BB, Malinen E, Kiserud CE, Osnes T, Amdal CD (2022)
Associations between patient-reported late effects and systemic cytokines in long-term survivors of head and neck cancer treated with radiotherapy
J Cancer Surviv, 17 (4), 1082-1093
DOI 10.1007/s11764-022-01273-1, PubMed 36350483

LeBlanc M, Rueegg CS, Bekiroğlu N, Esterhuizen TM, Fagerland MW, Falk RS, Frøslie KF, Graf E, Heinze G, Held U, Holst R, Lange T, Mazumdar M, Myrberg IH, Posch M, Sergeant JC, Vach W, Vance EA, Weedon-Fekjaer H, Zucknick M (2022)
Statistical advising: Professional development opportunities for the biostatistician
Stat Med, 41 (5), 847-859
DOI 10.1002/sim.9290, PubMed 35194815

Næss-Andresen ML, Jenum AK, Berg JP, Falk RS, Sletner L (2022)
Prevalence of postpartum anaemia and iron deficiency by serum ferritin, soluble transferrin receptor and total body iron, and associations with ethnicity and clinical factors: a Norwegian population-based cohort study
J Nutr Sci, 11, e46
DOI 10.1017/jns.2022.45, PubMed 35754987

Pettersen S, Falk RS, Vangen S, Nyfløt LT (2022)
Peripartum hysterectomy due to severe postpartum hemorrhage: A hospital-based study
Acta Obstet Gynecol Scand, 101 (7), 819-826
DOI 10.1111/aogs.14358, PubMed 35388907

Reme SE, Ljosaa TM, Stubhaug A, Granan LP, Falk RS, Jacobsen HB (2022)
Perceived Injustice in Patients With Chronic Pain: Prevalence, Relevance, and Associations With Long-Term Recovery and Deterioration
J Pain, 23 (7), 1196-1207
DOI 10.1016/j.jpain.2022.01.007, PubMed 35151872

Reme SE, Munk A, Holter MTS, Falk RS, Jacobsen HB (2022)
Pre- and post-operative psychological interventions to prevent pain and fatigue after breast cancer surgery (PREVENT): Protocol for a randomized controlled trial
PLoS One, 17 (7), e0268606
DOI 10.1371/journal.pone.0268606, PubMed 35802618

Røssevold AH, Andresen NK, Bjerre CA, Gilje B, Jakobsen EH, Raj SX, Falk RS, Russnes HG, Jahr T, Mathiesen RR, Lømo J, Garred Ø, Chauhan SK, Lereim RR, Dunn C, Naume B, Kyte JA (2022)
Atezolizumab plus anthracycline-based chemotherapy in metastatic triple-negative breast cancer: the randomized, double-blind phase 2b ALICE trial
Nat Med, 28 (12), 2573-2583
DOI 10.1038/s41591-022-02126-1, PubMed 36482103

Smedsland SK, Vandraas KF, Bøhn SK, Dahl AA, Kiserud CE, Brekke M, Falk RS, Reinertsen KV (2022)
Sexual activity and functioning in long-term breast cancer survivors; exploring associated factors in a nationwide survey
Breast Cancer Res Treat, 193 (1), 139-149
DOI 10.1007/s10549-022-06544-0, PubMed 35226237

Taskén K, Russnes HEG, Aas E, Bjørge L, Blix ES, CONNECT Public–Private Partnership Consortium, Enerly E, Fagereng GL, Flobak Å, Gilje B, Gjertsen BT, Guren TK, Heix J, Hovig E, Hovland R, InPreD-Norway and National Molecular Tumor Board Consortium, IMPRESS-Norway Consortium, Lønning PE, Meza-Zepeda LA, Mæhle PM, Nilsen HL, Thoresen SØ, Widerberg K, Smeland S, Helland Å (2022)
A national precision cancer medicine implementation initiative for Norway
Nat Med, 28 (5), 885-887
DOI 10.1038/s41591-022-01777-4, PubMed 35513529

Vandraas K, Falk RS, Bøhn SKH, Kiserud C, Lie HC, Smedsland SK, Ewertz M, Dahl S, Brekke M, Reinertsen KV (2022)
Work ability 8 years after breast cancer: exploring the role of social support in a nation-wide survey
Breast Cancer Res Treat, 193 (3), 685-694
DOI 10.1007/s10549-022-06599-z, PubMed 35445949

Waldum ÅH, Lukasse M, Staff AC, Falk RS, Sørbye IK, Jacobsen AF (2022)
Intrapartum pudendal nerve block analgesia and childbirth experience in primiparous women with vaginal birth: A cohort study
Birth, 50 (1), 182-191
DOI 10.1111/birt.12697, PubMed 36529699

Zimmo MW, Laine K, Hassan S, Bottcher B, Fosse E, Ali-Masri H, Zimmo K, Falk RS, Lieng M, Vikanes A (2022)
Exploring the impact of indication on variation in rates of intrapartum caesarean section in six Palestinian hospitals: a prospective cohort study
BMC Pregnancy Childbirth, 22 (1), 892
DOI 10.1186/s12884-022-05196-8, PubMed 36461037

Publications 2021

Amdal CD, Pe M, Falk RS, Piccinin C, Bottomley A, Arraras JI, Darlington AS, Hofsø K, Holzner B, Jørgensen NMH, Kulis D, Rimehaug SA, Singer S, Taylor K, Wheelwright S, Bjordal K (2021)
Health-related quality of life issues, including symptoms, in patients with active COVID-19 or post COVID-19; a systematic literature review
Qual Life Res, 30 (12), 3367-3381
DOI 10.1007/s11136-021-02908-z, PubMed 34146226

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

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

Bigseth TT, Fredriksen M, Egeland J, Andersen E, Andreassen OA, Bang-Kittilsen G, Falk RS, Holmen TL, Martinsen EW, Mordal J, Nielsen J, Steen NE, Ueland T, Vang T, Engh JA (2021)
Elevated levels of soluble urokinase plasminogen activator receptor as a low-grade inflammation marker in schizophrenia: A case-control study
Schizophr Res, 228, 190-192
DOI 10.1016/j.schres.2020.11.051, PubMed 33450603

Dahl KG, Wahl AK, Urstad KH, Falk RS, Andersen MH (2021)
Changes in Health Literacy during the first year following a kidney transplantation: Using the Health Literacy Questionnaire
Patient Educ Couns, 104 (7), 1814-1822
DOI 10.1016/j.pec.2020.12.028, PubMed 33454146

Falk RS, Mariampillai JE, Prestgaard EE, Heir T, Bodegård J, Robsahm TE, Grundvold I, Skretteberg PT, Engeseth K, Bjornholt JV, Stavem K, Liestøl K, Sandvik L, Thaulow E, Erikssen G, Kjeldsen SE, Gjesdal K, Erikssen JE (2021)
The Oslo Ischaemia Study: cohort profile
BMJ Open, 11 (10), e049111
DOI 10.1136/bmjopen-2021-049111, PubMed 34645662

Falk RS, Robsahm TE, Paulsen JE, Stocks T, Drake I, Heir T (2021)
Fasting serum potassium and long-term mortality in healthy men
BMC Public Health, 21 (1), 711
DOI 10.1186/s12889-021-10738-4, PubMed 33849496

Lilleborge M, Falk RS, Hovda T, Holmen MM, Ursin G, Hofvind S (2021)
Patterns of aggressiveness: risk of progression to invasive breast cancer by mammographic features of calcifications in screen-detected ductal carcinoma in situ
Acta Radiol, 63 (5), 586-595
DOI 10.1177/02841851211006319, PubMed 33887963

Lilleborge M, Falk RS, Sørlie T, Ursin G, Hofvind S (2021)
Can breast cancer be stopped? Modifiable risk factors of breast cancer among women with a prior benign or premalignant lesion
Int J Cancer, 149 (6), 1247-1256
DOI 10.1002/ijc.33680, PubMed 33990967

Moshina N, Falk RS, Botteri E, Larsen M, Akslen LA, Cairns JA, Hofvind S (2021)
Quality of life among women with symptomatic, screen-detected, and interval breast cancer, and for women without breast cancer: a retrospective cross-sectional study from Norway
Qual Life Res, 31 (4), 1057-1068
DOI 10.1007/s11136-021-03017-7, PubMed 34698976

Moshina N, Falk RS, Hofvind S (2021)
Long-term quality of life among breast cancer survivors eligible for screening at diagnosis: a systematic review and meta-analysis
Public Health, 199, 65-76
DOI 10.1016/j.puhe.2021.08.008, PubMed 34560477

Waldum ÅH, Staff AC, Lukasse M, Falk RS, Sørbye IK, Jacobsen AF (2021)
Intrapartum pudendal nerve block analgesia and risk of postpartum urinary retention: a cohort study
Int Urogynecol J, 32 (9), 2383-2391
DOI 10.1007/s00192-021-04768-0, PubMed 33860813

Publications 2020

Dahl KG, Andersen MH, Urstad KH, Falk RS, Engebretsen E, Wahl AK (2020)
Identifying Core Variables Associated With Health Literacy in Kidney Transplant Recipients
Prog Transplant, 30 (1), 38-47
DOI 10.1177/1526924819893285, PubMed 31918615

Dalby M, Kristianslund O, Østern AE, Falk RS, Drolsum L (2020)
Longitudinal corneal endothelial cell loss after corrective surgery for late in-the-bag IOL dislocation: a randomized clinical trial
J Cataract Refract Surg, 46 (7), 1030-1036
DOI 10.1097/j.jcrs.0000000000000213, PubMed 32304486

Drivenes K, Haaland VØ, Hauge YL, Vederhus JK, Irgens AC, Solli KK, Regevik H, Falk RS, Tanum L (2020)
Discrepancy in Ratings of Shared Decision Making Between Patients and Health Professionals: A Cross Sectional Study in Mental Health Care
Front Psychol, 11, 443
DOI 10.3389/fpsyg.2020.00443, PubMed 32265780

Drivenes K, Vederhus JK, Haaland VØ, Ruud T, Hauge YL, Regevik H, Falk RS, Tanum L (2020)
Enabling patients to cope with psychotropic medication in mental health care: Evaluation and reports of the new inventory MedSupport
Medicine (Baltimore), 99 (1), e18635
DOI 10.1097/MD.0000000000018635, PubMed 31895824

Falk RS, Heir T, Robsahm TE, Tretli S, Sandvik L, Erikssen JE, Paulsen JE (2020)
Fasting Serum Levels of Potassium and Sodium in Relation to Long-Term Risk of Cancer in Healthy Men
Clin Epidemiol, 12, 1-8
DOI 10.2147/CLEP.S216438, PubMed 32021466

Hauge T, Amdal CD, Falk RS, Johannessen HO, Johnson E (2020)
Long-term outcome in patients operated with hybrid esophagectomy for esophageal cancer - a cohort study
Acta Oncol, 59 (7), 859-865
DOI 10.1080/0284186X.2020.1750694, PubMed 32324079

Johannessen HH, Mørkved S, Stordahl A, Wibe A, Falk RS (2020)
Evolution and risk factors of anal incontinence during the first 6 years after first delivery: a prospective cohort study
BJOG, 127 (12), 1499-1506
DOI 10.1111/1471-0528.16322, PubMed 32418309

Kyte JA, Andresen NK, Russnes HG, Fretland SØ, Falk RS, Lingjærde OC, Naume B (2020)
ICON: a randomized phase IIb study evaluating immunogenic chemotherapy combined with ipilimumab and nivolumab in patients with metastatic hormone receptor positive breast cancer
J Transl Med, 18 (1), 269
DOI 10.1186/s12967-020-02421-w, PubMed 32620163

Kyte JA, Røssevold A, Falk RS, Naume B (2020)
ALICE: a randomized placebo-controlled phase II study evaluating atezolizumab combined with immunogenic chemotherapy in patients with metastatic triple-negative breast cancer
J Transl Med, 18 (1), 252
DOI 10.1186/s12967-020-02424-7, PubMed 32576225

Leren L, Johansen E, Eide H, Falk RS, Juvet LK, Ljoså TM (2020)
Pain in persons with chronic venous leg ulcers: A systematic review and meta-analysis
Int Wound J, 17 (2), 466-484
DOI 10.1111/iwj.13296, PubMed 31898398

Lilleborge M, Falk RS, Hofvind S (2020)
Number of prior negative screening outcomes does not influence future risk of breast cancer
Eur J Epidemiol, 35 (6), 549-556
DOI 10.1007/s10654-020-00645-0, PubMed 32430839

Waldum ÅH, Jacobsen AF, Lukasse M, Staff AC, Falk RS, Vangen S, Sørbye IK (2020)
The provision of epidural analgesia during labor according to maternal birthplace: a Norwegian register study
BMC Pregnancy Childbirth, 20 (1), 321
DOI 10.1186/s12884-020-03021-8, PubMed 32456615

Aamodt IT, Lycholip E, Celutkiene J, von Lueder T, Atar D, Falk RS, Hellesø R, Jaarsma T, Strömberg A, Lie I (2020)
Self-Care Monitoring of Heart Failure Symptoms and Lung Impedance at Home Following Hospital Discharge: Longitudinal Study
J Med Internet Res, 22 (1), e15445
DOI 10.2196/15445, PubMed 31909717

Publications 2019

Fosså SD, Beyer B, Dahl AA, Aas K, Eri LM, Kvan E, Falk RS, Graefen M, Huland H, Berge V (2019)
Improved patient-reported functional outcomes after nerve-sparing radical prostatectomy by using NeuroSAFE technique
Scand J Urol, 53 (6), 385-391
DOI 10.1080/21681805.2019.1693625, PubMed 31797716

Lilleborge M, Falk RS, Russnes H, Sauer T, Ursin G, Hofvind S (2019)
Risk of breast cancer by prior screening results among women participating in BreastScreen Norway
Cancer, 125 (19), 3330-3337
DOI 10.1002/cncr.32330, PubMed 31206638

Norderval S, Rydningen MB, Falk RS, Stordahl A, Johannessen HH (2019)
Strong agreement between interview-obtained and self-administered Wexner and St. Mark's scores using a single questionnaire
Int Urogynecol J, 30 (12), 2101-2108
DOI 10.1007/s00192-019-03945-6, PubMed 31172220

Næss-Andresen ML, Eggemoen ÅR, Berg JP, Falk RS, Jenum AK (2019)
Serum ferritin, soluble transferrin receptor, and total body iron for the detection of iron deficiency in early pregnancy: a multiethnic population-based study with low use of iron supplements
Am J Clin Nutr, 109 (3), 566-575
DOI 10.1093/ajcn/nqy366, PubMed 30831600

Robsahm TE, Heir T, Sandvik L, Prestgaard E, Tretli S, Erikssen JE, Falk RS (2019)
Changes in midlife fitness, body mass index, and smoking influence cancer incidence and mortality: A prospective cohort study in men
Cancer Med, 8 (10), 4875-4882
DOI 10.1002/cam4.2383, PubMed 31270954

Sæverud HA, Falk RS, Dowrick A, Eriksen M, Aarrestad S, Skjønsberg OH (2019)
Measuring diaphragm movement and respiratory frequency using a novel ultrasound device in healthy volunteers
J Ultrasound, 24 (1), 15-22
DOI 10.1007/s40477-019-00412-2, PubMed 31691921

Verket NJ, Falk RS, Qvigstad E, Tanbo TG, Sandvik L (2019)
Development of a prediction model to aid primary care physicians in early identification of women at high risk of developing endometriosis: cross-sectional study
BMJ Open, 9 (12), e030346
DOI 10.1136/bmjopen-2019-030346, PubMed 31806607

Aamodt IT, Lycholip E, Celutkiene J, Strömberg A, Atar D, Falk RS, von Lueder T, Hellesø R, Jaarsma T, Lie I (2019)
Health Care Professionals' Perceptions of Home Telemonitoring in Heart Failure Care: Cross-Sectional Survey
J Med Internet Res, 21 (2), e10362
DOI 10.2196/10362, PubMed 30724744

Publications 2018

Bjørke AB, Nome CG, Falk RS, Gjerstad L, Taubøll E, Heuser K (2018)
Evaluation of long-term antiepileptic drug use in patients with temporal lobe epilepsy: Assessment of risk factors for drug resistance and polypharmacy
Seizure, 61, 63-70
DOI 10.1016/j.seizure.2018.07.011, PubMed 30099235

Haaland GS, Falk RS, Lorens JB (2018)
Lower Cancer Incidence-Warfarin Effect or Immortal Time Bias?-Reply
JAMA Intern Med, 178 (4), 585-586
DOI 10.1001/jamainternmed.2018.0364, PubMed 29610893

Johannessen HH, Stafne SN, Falk RS, Stordahl A, Wibe A, Mørkved S (2018)
Prevalence and predictors of double incontinence 1 year after first delivery
Int Urogynecol J, 29 (10), 1529-1535
DOI 10.1007/s00192-018-3577-7, PubMed 29500515

Johannessen HH, Stafne SN, Falk RS, Stordahl A, Wibe A, Mørkved S (2018)
Prevalence and predictors of anal incontinence 6 years after first delivery
Neurourol Urodyn, 38 (1), 310-319
DOI 10.1002/nau.23854, PubMed 30311695

Ringen PA, Faerden A, Antonsen B, Falk RS, Mamen A, Rognli EB, Solberg DK, Andreassen OA, Martinsen EW (2018)
Cardiometabolic risk factors, physical activity and psychiatric status in patients in long-term psychiatric inpatient departments
Nord J Psychiatry, 72 (4), 296-302
DOI 10.1080/08039488.2018.1449012, PubMed 29523041

Ringen PA, Falk RS, Antonsen B, Faerden A, Mamen A, Rognli EB, Solberg DK, Martinsen EW, Andreassen OA (2018)
Using motivational techniques to reduce cardiometabolic risk factors in long term psychiatric inpatients: a naturalistic interventional study
BMC Psychiatry, 18 (1), 255
DOI 10.1186/s12888-018-1832-6, PubMed 30111298

Roscher I, Falk RS (2018)
Incomplete Data in Cutaneous Squamous Cell Carcinoma Staging System Analysis-Reply
JAMA Dermatol, 154 (12), 1489
DOI 10.1001/jamadermatol.2018.4018, PubMed 30419117

Roscher I, Falk RS, Vos L, Clausen OPF, Helsing P, Gjersvik P, Robsahm TE (2018)
Validating 4 Staging Systems for Cutaneous Squamous Cell Carcinoma Using Population-Based Data: A Nested Case-Control Study
JAMA Dermatol, 154 (4), 428-434
DOI 10.1001/jamadermatol.2017.6428, PubMed 29516080

Roscher I, Falk RS, Vos L, Clausen OPF, Helsing P, Gjersvik P, Robsahm TE (2018)
Notice of Retraction and Replacement: Roscher et al. Validating 4 Staging Systems for Cutaneous Squamous Cell Carcinoma Using Population-Based Data: A Nested Case-Control Study. JAMA Dermatol. 2018;154(4):428-434
JAMA Dermatol, 154 (12), 1488-1489
DOI 10.1001/jamadermatol.2018.4023, PubMed 30419111

Shakeel N, Sletner L, Falk RS, Slinning K, Martinsen EW, Jenum AK, Eberhard-Gran M (2018)
Prevalence of postpartum depressive symptoms in a multiethnic population and the role of ethnicity and integration
J Affect Disord, 241, 49-58
DOI 10.1016/j.jad.2018.07.056, PubMed 30096592

Sjoeen GH, Falk RS, Hauge TH, Langesaeter E (2018)
Haemodynamic stability after paracervical block: A randomized, controlled, double-blind study comparing bupivacaine-adrenaline with bupivacaine
Acta Anaesthesiol Scand, 63 (3), 373-380
DOI 10.1111/aas.13259, PubMed 30203440

Smeland KB, Loge JH, Aass HCD, Aspelin T, Bersvendsen H, Bolstad N, Fagerli UM, Falk RS, Fluge Ø, Fosså A, Holte H, Lund MB, Murbræch K, Reinertsen KV, Stenehjem JS, Kiserud CE (2018)
Chronic fatigue is highly prevalent in survivors of autologous stem cell transplantation and associated with IL-6, neuroticism, cardiorespiratory fitness, and obesity
Bone Marrow Transplant, 54 (4), 607-610
DOI 10.1038/s41409-018-0342-y, PubMed 30262906

Toftemo I, Jenum AK, Lagerløv P, Júlίusson PB, Falk RS, Sletner L (2018)
Contrasting patterns of overweight and thinness among preschool children of different ethnic groups in Norway, and relations with maternal and early life factors
BMC Public Health, 18 (1), 1056
DOI 10.1186/s12889-018-5952-1, PubMed 30139343

Publications 2017

Amdal CD, Jacobsen AB, Falk RS, Johnson E, Os SS, Warloe T, Bjordal K (2017)
Improved treatment decisions in patients with esophageal cancer
Acta Oncol, 56 (10), 1286-1294
DOI 10.1080/0284186X.2017.1346379, PubMed 28686501

Auensen A, Hussain AI, Bendz B, Aaberge L, Falk RS, Walle-Hansen MM, Bye J, Andreassen J, Beitnes JO, Rein KA, Pettersen KI, Gullestad L (2017)
Morbidity outcomes after surgical aortic valve replacement
Open Heart, 4 (1), e000588
DOI 10.1136/openhrt-2017-000588, PubMed 28674629

Auensen A, Hussain AI, Falk RS, Walle-Hansen MM, Bye J, Pettersen KI, Aukrust P, Ueland T, Gullestad LL (2017)
Associations of brain-natriuretic peptide, high-sensitive troponin T, and high-sensitive C-reactive protein with outcomes in severe aortic stenosis
PLoS One, 12 (6), e0179304
DOI 10.1371/journal.pone.0179304, PubMed 28604834

Falk RS, Tretli S, Paulsen JE, Sandvik L, Erikssen J, Heir T (2017)
Response to Intravenous Glucose-Tolerance Test and Risk of Cancer: A Long-Term Prospective Cohort Study
EBioMedicine, 21, 117-122
DOI 10.1016/j.ebiom.2017.06.018, PubMed 28687499

Furre A, Falk RS, Sandvik L, Friis S, Knutzen M, Hanssen-Bauer K (2017)
Characteristics of adolescents frequently restrained in acute psychiatric units in Norway: a nationwide study
Child Adolesc Psychiatry Ment Health, 11, 3
DOI 10.1186/s13034-016-0136-1, PubMed 28096898

Haaland GS, Falk RS, Straume O, Lorens JB (2017)
Association of Warfarin Use With Lower Overall Cancer Incidence Among Patients Older Than 50 Years
JAMA Intern Med, 177 (12), 1774-1780
DOI 10.1001/jamainternmed.2017.5512, PubMed 29114736

Jacobsen AB, Grøholt KK, Lorntzsen B, Osnes TA, Falk RS, Sigstad E (2017)
Anaplastic thyroid cancer and hyperfractionated accelerated radiotherapy (HART) with and without surgery
Eur Arch Otorhinolaryngol, 274 (12), 4203-4209
DOI 10.1007/s00405-017-4764-8, PubMed 29019001

Johannessen HH, Norderval S, Stordahl A, Falk RS, Wibe A (2017)
Interview-based versus self-reported anal incontinence using St Mark's incontinence score
Int Urogynecol J, 29 (5), 667-671
DOI 10.1007/s00192-017-3363-y, PubMed 28547271

Kazmi SS, Krog AH, Berge ST, Sundhagen JO, Sahba M, Falk RS (2017)
Patient-perceived health-related quality of life before and after laparoscopic aortobifemoral bypass
Vasc Health Risk Manag, 13, 169-176
DOI 10.2147/VHRM.S134669, PubMed 28546754

Kuhn JC, Falk RS, Langesæter E (2017)
Haemodynamic changes during labour: continuous minimally invasive monitoring in 20 healthy parturients
Int J Obstet Anesth, 31, 74-83
DOI 10.1016/j.ijoa.2017.03.003, PubMed 28404439

Mørch RH, Dieset I, Faerden A, Hope S, Aas M, Nerhus M, Gardsjord ES, Haram M, Falk RS, Joa I, Morken G, Agartz I, Aukrust P, Djurovic S, Melle I, Ueland T, Andreassen OA (2017)
Persistent increase in TNF and IL-1 markers in severe mental disorders suggests trait-related inflammation: a one year follow-up study
Acta Psychiatr Scand, 136 (4), 400-408
DOI 10.1111/acps.12783, PubMed 28815548

Ohnstad HO, Borgen E, Falk RS, Lien TG, Aaserud M, Sveli MAT, Kyte JA, Kristensen VN, Geitvik GA, Schlichting E, Wist EA, Sørlie T, Russnes HG, Naume B (2017)
Prognostic value of PAM50 and risk of recurrence score in patients with early-stage breast cancer with long-term follow-up
Breast Cancer Res, 19 (1), 120
DOI 10.1186/s13058-017-0911-9, PubMed 29137653

Robsahm TE, Falk RS, Heir T, Sandvik L, Vos L, Erikssen J, Tretli S (2017)
Cardiorespiratory fitness and risk of site-specific cancers: a long-term prospective cohort study
Cancer Med, 6 (4), 865-873
DOI 10.1002/cam4.1043, PubMed 28317282

Seland M, Smeland KB, Bjøro T, Falk RS, Fosså SD, Gjesdal CG, Godang K, Holte H, Svartberg J, Syversen U, Bollerslev J, Kiserud CE (2017)
Bone mineral density is close to normal for age in long-term lymphoma survivors treated with high-dose therapy with autologous stem cell transplantation
Acta Oncol, 56 (4), 590-598
DOI 10.1080/0284186X.2016.1267870, PubMed 28077016

Publications 2016

Eggemoen ÅR, Falk RS, Knutsen KV, Lagerløv P, Sletner L, Birkeland KI, Jenum AK (2016)
Vitamin D deficiency and supplementation in pregnancy in a multiethnic population-based cohort
BMC Pregnancy Childbirth, 16, 7
DOI 10.1186/s12884-016-0796-0, PubMed 26785795

Falk RS, Hofvind S (2016)
Overdiagnosis in Mammographic Screening because of Competing Risk of Death
Cancer Epidemiol Biomarkers Prev, 25 (5), 759-65
DOI 10.1158/1055-9965.EPI-15-0819, PubMed 26976857

Heir T, Falk RS, Robsahm TE, Sandvik L, Erikssen J, Tretli S (2016)
Cholesterol and prostate cancer risk: a long-term prospective cohort study
BMC Cancer, 16, 643
DOI 10.1186/s12885-016-2691-5, PubMed 27535659

Hofvind S, Román M, Sebuødegård S, Falk RS (2016)
Balancing the benefits and detriments among women targeted by the Norwegian Breast Cancer Screening Program
J Med Screen, 23 (4), 203-209
DOI 10.1177/0969141315625088, PubMed 26940960

Richardsen KR, Falk RS, Jenum AK, Mørkrid K, Martinsen EW, Ommundsen Y, Berntsen S (2016)
Predicting who fails to meet the physical activity guideline in pregnancy: a prospective study of objectively recorded physical activity in a population-based multi-ethnic cohort
BMC Pregnancy Childbirth, 16 (1), 186
DOI 10.1186/s12884-016-0985-x, PubMed 27460363

Robsahm TE, Falk RS, Heir T, Sandvik L, Vos L, Erikssen JE, Tretli S (2016)
Measured cardiorespiratory fitness and self-reported physical activity: associations with cancer risk and death in a long-term prospective cohort study
Cancer Med, 5 (8), 2136-44
DOI 10.1002/cam4.773, PubMed 27227704

Smeland KB, Kiserud CE, Lauritzsen GF, Blystad AK, Fagerli UM, Falk RS, Fluge Ø, Fosså A, Kolstad A, Loge JH, Maisenhölder M, Østenstad B, Kvaløy S, Holte H (2016)
A national study on conditional survival, excess mortality and second cancer after high dose therapy with autologous stem cell transplantation for non-Hodgkin lymphoma
Br J Haematol, 173 (3), 432-43
DOI 10.1111/bjh.13965, PubMed 26914167

Østerås BH, Martinsen AC, Brandal SH, Chaudhry KN, Eben E, Haakenaasen U, Falk RS, Skaane P (2016)
Classification of fatty and dense breast parenchyma: comparison of automatic volumetric density measurement and radiologists' classification and their inter-observer variation
Acta Radiol, 57 (10), 1178-85
DOI 10.1177/0284185115626469, PubMed 26792823

Østerås BH, Martinsen AC, Brandal SH, Chaudhry KN, Eben E, Haakenaasen U, Falk RS, Skaane P (2016)
BI-RADS Density Classification From Areometric and Volumetric Automatic Breast Density Measurements
Acad Radiol, 23 (4), 468-78
DOI 10.1016/j.acra.2015.12.016, PubMed 26847741

Publications 2015

Haugvik SP, Janson ET, Österlund P, Langer SW, Falk RS, Labori KJ, Vestermark LW, Grønbæk H, Gladhaug IP, Sorbye H (2015)
Surgical Treatment as a Principle for Patients with High-Grade Pancreatic Neuroendocrine Carcinoma: A Nordic Multicenter Comparative Study
Ann Surg Oncol, 23 (5), 1721-8
DOI 10.1245/s10434-015-5013-2, PubMed 26678407

Murbraech K, Smeland KB, Holte H, Loge JH, Lund MB, Wethal T, Holte E, Rösner A, Dalen H, Kvaløy S, Falk RS, Aakhus S, Kiserud CE (2015)
Heart Failure and Asymptomatic Left Ventricular Systolic Dysfunction in Lymphoma Survivors Treated With Autologous Stem-Cell Transplantation: A National Cross-Sectional Study
J Clin Oncol, 33 (24), 2683-91
DOI 10.1200/JCO.2015.60.8125, PubMed 26169610

Smeland KB, Kiserud CE, Lauritzsen GF, Fagerli UM, Falk RS, Fluge Ø, Fosså A, Kolstad A, Loge JH, Maisenhölder M, Kvaløy S, Holte H (2015)
Conditional survival and excess mortality after high-dose therapy with autologous stem cell transplantation for adult refractory or relapsed Hodgkin lymphoma in Norway
Haematologica, 100 (6), e240-3
DOI 10.3324/haematol.2014.119214, PubMed 25682605

Waage CW, Falk RS, Sommer C, Mørkrid K, Richardsen KR, Baerug A, Shakeel N, Birkeland KI, Jenum AK (2015)
Ethnic differences in postpartum weight retention: a Norwegian cohort study
BJOG, 123 (5), 699-708
DOI 10.1111/1471-0528.13321, PubMed 25716276

Publications 2014

Brandstorp-Boesen J, Falk RS, Boysen M, Brøndbo K (2014)
Long-term trends in gender, T-stage, subsite and treatment for laryngeal cancer at a single center
Eur Arch Otorhinolaryngol, 271 (12), 3233-9
DOI 10.1007/s00405-014-3100-9, PubMed 24871863

Falk RS (2014)
Why are results of organised mammography screening so difficult to interpret?
Tidsskr Nor Laegeforen, 134 (11), 1124-6
DOI 10.4045/tidsskr.13.1655, PubMed 24939774

Naume B, Synnestvedt M, Falk RS, Wiedswang G, Weyde K, Risberg T, Kersten C, Mjaaland I, Vindi L, Sommer HH, Sætersdal AB, Rypdal MC, Bendigtsen Schirmer C, Wist EA, Borgen E (2014)
Clinical outcome with correlation to disseminated tumor cell (DTC) status after DTC-guided secondary adjuvant treatment with docetaxel in early breast cancer
J Clin Oncol, 32 (34), 3848-57
DOI 10.1200/JCO.2014.56.9327, PubMed 25366688

Publications 2013

Falk RS, Hofvind S, Skaane P, Haldorsen T (2013)
Overdiagnosis among women attending a population-based mammography screening program
Int J Cancer, 133 (3), 705-12
DOI 10.1002/ijc.28052, PubMed 23355313

Falk RS, Hofvind S, Skaane P, Haldorsen T (2013)
Response to comments by Kalager et al. and Zahl et al
Int J Cancer, 133 (11), 2756-7
DOI 10.1002/ijc.28247, PubMed 23650012

Publications 2012

Austvoll-Dahlgren A, Falk RS, Helseth S (2012)
Cognitive factors predicting intentions to search for health information: an application of the theory of planned behaviour
Health Info Libr J, 29 (4), 296-308
DOI 10.1111/hir.12006, PubMed 23176026

Falk RS, Hofvind S, Skaane P (2012)
Overdiagnosis of Invasive Breast Cancer due to Mammography Screening
Ann Intern Med, 157 (3), 219; author reply 221-2
DOI 10.7326/0003-4819-157-3-201208070-00021, PubMed 22868848

Hansen BT, Nygård M, Falk RS, Hofvind S (2012)
Breast cancer and ductal carcinoma in situ among women with prior squamous or glandular precancer in the cervix: a register-based study
Br J Cancer, 107 (9), 1451-3
DOI 10.1038/bjc.2012.438, PubMed 23011481

Publications 2011

Falk RS, Hofvind S, Skaane P, Haldorsen T (2011)
Second events following ductal carcinoma in situ of the breast: a register-based cohort study
Breast Cancer Res Treat, 129 (3), 929-38
DOI 10.1007/s10549-011-1531-1, PubMed 21537936

Publications 2006

Hofvind S, Sørum R, Haldorsen T, Langmark F (2006)
[Incidence of breast cancer before and after implementation of mammography screening]
Tidsskr Nor Laegeforen, 126 (22), 2935-8
PubMed 17117191