Publications 2022

Vedeld HM, Grimsrud MM, Andresen K, Pharo HD, von Seth E, Karlsen TH, Honne H, Paulsen V, Farkkila MA, Bergquist A, Jeanmougin M, Aabakken L, Boberg KM, Folseraas T, Lind GE (2022)
Early and accurate detection of cholangiocarcinoma in patients with primary sclerosing cholangitis by methylation markers in bile
Hepatology, 75 (1), 59-73
DOI 10.1002/hep.32125

Publications 2021

Ali HA, Shin Y, Solhusvik J, Bergsland J, Aabakken L, Balasingham I (2021)
Toward real-time polyp detection using fully CNNs for 2D Gaussian shapes prediction
Med. Image Anal., 68, 101897
DOI 10.1016/j.media.2020.101897

Antonelli G, Karsensten JG, Bhat P, Ijoma U, Osuagwu C, Desalegn H, Abera H, Guy C, Vilmann P, Dinis-Ribeiro M, Ponchon T, Sabbagh LC, Pausawasdi N, Makharia G, Hassan C, Veitch A, Aabakken L, Ebigbo A, Endoscopy COVID-19 Cascade Working European Soc Gastrointestinal (2021)
Resuming endoscopy during COVID-19 pandemic: ESGE, WED and WGO Joint Cascade Guideline for Resource Limited Settings
Endosc. Int. Open, 09 (04), E543-E551
DOI 10.1055/a-1400-9135

Avitsland TL, Aabakken L (2021)
Endoscopic retrograde cholangiopancreatography in infants and children
Endosc. Int. Open, 09 (03), E292-E296
DOI 10.1055/a-1337-2212

Bartolome-Casado R, Landsverk OJB, Chauhan SK, Saetre F, Hagen KT, Yaqub S, Oyen O, Horneland R, Aandahl EM, Aabakken L, Baekkevold ES, Jahnsen FL (2021)
CD4(+)T cells persist for years in the human small intestine and display a T(H)1 cytokine profile
Mucosal Immunol., 14 (2), 402-410
DOI 10.1038/s41385-020-0315-5

Bekkelund M, Sangnes DA, Softeland E, Aabakken L, Biermann M, Steinsvik EK, Hausken T, Dimcevski G, Hatlebakk JG (2021)
Gastroparesis Symptoms Associated with Intestinal Hypomotility: An Explorative Study Using Wireless Motility Capsule
Clin. Exp. Gastroenterol., 14, 133-144
DOI 10.2147/CEG.S304854

Bhat P, Hassan C, Desalegn H, Aabakken L (2021)
Promotion of gastrointestinal endoscopy in Sub-Saharan Africa: What is needed, and how can ESGE and WEO help?
Endosc. Int. Open, 09 (07), E1001-E1003
DOI 10.1055/a-1495-5215

Bhat P, Aabakken L (2021)
Role of Endoscopy in Primary Sclerosing Cholangitis
Clin. Endosc., 54 (2), 193-201
DOI 10.5946/ce.2020.019-IDEN

Grimstad T, Skjellerudsveen BM, Kvaloy JT, Skoie IM, Carlsen A, Karlsen LN, Aabakken L, Omdal R (2021)
The influence of disease activity on fatigue in patients with ulcerative colitis - a longitudinal study
Scand. J. Gastroenterol.
DOI 10.1080/00365521.2021.2007281

Hoff G, Botteri E, Huppertz-Hauss G, Kvamme JM, Holme O, Aabakken L, Dahler S, Medhus AW, Blomgren I, Sandvei P, Darre-Naess O, Kjellevold O, Seip B (2021)
The effect of train-the-colonoscopy-trainer course on colonoscopy quality indicators
Endoscopy, 53 (12), 1229-1234
DOI 10.1055/a-1352-4583

Kylanpaa L, Koskensalo V, Saarela A, Ejstrud P, Udd M, Lindstrom O, Rainio M, Tenca A, Halttunen J, Qvigstad G, Arnelo U, Fagerstrom N, Hauge T, Aabakken L, Gronroos J (2021)
Transpancreatic biliary sphincterotomy versus double guidewire in difficult biliary cannulation: a randomized controlled trial
Endoscopy, 53 (10), 1011-1019
DOI 10.1055/a-1327-2025

Leddin D, Omary MB, Veitch A, Metz G, Amrani N, Aabakken L, Ali RAR, Alvares-Da-Silva MR, Armstrong D, Boyacioglu S, Chen Y, Elwakil R, Fock KM, Hamid SS, Makharia G, Macrae F, Malekzadeh R, Mulder CJ, Piscoya A, Perman ML, Sadeghi A, Saenz R, Saurin JC, Butt AS, Wu KC et al. (2021)
Uniting the global gastroenterology community to meet the challenge of climate change and non-recyclable waste
Gut, 70 (11), 2025-2029
DOI 10.1136/gutjnl-2021-325789

Ponsioen CY, Assis DN, Boberg KM, Bowlus CL, Deneau M, Thorburn D, Aabakken L, Farkkila M, Petersen B, Rupp C, Hubscher SG, Int PSC Study Grp (2021)
Defining Primary Sclerosing Cholangitis: Results From an International Primary Sclerosing Cholangitis Study Group Consensus Process COMMENT
Gastroenterology, 161 (6), 1764-+
DOI 10.1053/j.gastro.2021.07.046

Tonnesen CJ, Hjelmesaeth J, Hofso D, Tonstad S, Hertel JK, Heggen E, Johnson LK, Mathisen TE, Kalager M, Wieszczy P, Medhus AW, Loberg M, Aabakken L, Bretthauer M (2021)
A novel intragastric balloon for treatment of obesity and type 2 diabetes. A two-center pilot trial
Scand. J. Gastroenterol.
DOI 10.1080/00365521.2021.1994641

Publications 2020

Beg S, Wronska E, Araujo I, Suarez BG, Ivanova E, Fedorov E, Aabakken L, Seitz U, Rey JF, Saurin JC, Tari R, Card T, Ragunath K (2020)
Use of rapid reading software to reduce capsule endoscopy reading times while maintaining accuracy
Gastrointest. Endosc., 91 (6), 1322-1327
DOI 10.1016/j.gie.2020.01.026

Carlsen A, Omdal R, Karlsen L, Kvaloy JT, Aabakken L, Steinsbo O, Bolstad N, Warren D, Lundin KEA, Grimstad T (2020)
Determination of lower cut-off levels of adalimumab associated with biochemical remission in Crohn's disease
JGH Open, 4 (3), 410-416
DOI 10.1002/jgh3.12266

Dumonceau JM, Kapral C, Aabakken L, Papanikolaou IS, Tringali A, Vanbiervliet G, Beyna T, Dinis-Ribeiro M, Hritz I, Mariani A, Paspatis G, Radaelli F, Lakhtakia S, Veitch AM, van Hooft JE (2020)
ERCP-related adverse events: European Society of Gastrointestinal Endoscopy (ESGE) Guideline
Endoscopy, 52 (2), 127-149
DOI 10.1055/a-1075-4080

Ebigbo A, Karstensen JG, Bhat P, Ijoma U, Osuagwu C, Desalegn H, Oyeleke GK, Gebru RB, Guy C, Antonelli G, Vilmann P, Aabakken L, Hassan C (2020)
Impact of the COVID-19 pandemic on gastrointestinal endoscopy in Africa
Endosc. Int. Open, 08 (08), E1097-E1101
DOI 10.1055/a-1210-4274

Grimstad T, Kvivik I, Kvaloy JT, Aabakken L, Omdal R (2020)
Heat-shock protein 90 alpha in plasma reflects severity of fatigue in patients with Crohn's disease
Innate Immun., 26 (2), 1753425919879988-151
DOI 10.1177/1753425919879988

Karstensen JG, Ebigbo A, Bhat P, Dinis-Ribeiro M, Gralnek I, Guy C, Le Moine O, Vilmann P, Antonelli G, Ijoma U, Anigbo G, Afiheni M, Duduyemi B, Desalegn H, De Franchis R, Ponchon T, Hassan C, Aabakken L (2020)
Endoscopic treatment of variceal upper gastrointestinal bleeding: European Society of Gastrointestinal Endoscopy (ESGE) Cascade Guideline
Endosc. Int. Open, 08 (07), E990-E997
DOI 10.1055/a-1187-1154

Qadir HA, Balasingham I, Solhusvik J, Bergsland J, Aabakken L, Shin Y (2020)
Improving Automatic Polyp Detection Using CNN by Exploiting Temporal Dependency in Colonoscopy Video
IEEE J. Biomed. Health Inform., 24 (1), 180-193
DOI 10.1109/JBHI.2019.2907434

Tonnesen CJ, Young J, Glomsaker T, Mala T, Loberg M, Bretthauer M, Refsum E, Aabakken L (2020)
Laparoscopy-assisted versus balloon enteroscopy-assisted ERCP after Roux-en-Y gastric bypass
Endoscopy, 52 (08), 654-661
DOI 10.1055/a-1139-9313

Publications 2019

Bekkelund M, Sangnes DA, Hatlebakk JG, Aabakken L (2019)
Pathophysiology of idiopathic gastroparesis and implications for therapy
Scand. J. Gastroenterol., 54 (1), 8-17
DOI 10.1080/00365521.2018.1558280

Ebigbo A, Karstensen JG, Aabakken L, Dinis-Ribeiro M, Spaander M, Le Moine O, Vilmann P, Ijoma U, Osuagwu C, Anigbo G, Afiheni M, Duduyemi B, Desalegn H, Ponchon T, Hassan C (2019)
Esophageal stenting for benign and malignant disease: European Society of Gastrointestinal Endoscopy (ESGE) Cascade Guideline
Endosc. Int. Open, 7 (6), E833-E836
DOI 10.1055/a-0898-3523

Garborg K, Aabakken L (2019)
Plastic or metal stents for biliary duct-to-duct anastomotic strictures - Is the jury still out?
Liver Int., 39 (7), 1197-1198
DOI 10.1111/liv.14045

Manes G, Paspatis G, Aabakken L, Anderloni A, Arvanitakis M, Ah-Soune P, Barthet M, Domagk D, Dumonceau JM, Gigot JF, Hritz I, Karamanolis G, Laghi A, Mariani A, Paraskeva K, Pohl J, Ponchon T, Swahn F, ter Steege RWF, Tringali A, Vezakis A, Williams EJ, van Hooft JE (2019)
Endoscopic management of common bile duct stones: European Society of Gastrointestinal Endoscopy (ESGE) guideline
Endoscopy, 51 (5), 472-491
DOI 10.1055/a-0862-0346

Qadir HA, Shin Y, Solhusvik J, Bergsland J, Aabakken L, Balasingham I (2019)
Polyp Detection and Segmentation using Mask R-CNN: Does a Deeper Feature Extractor CNN Always Perform Better?
INT SYM MED INFORM, 181-186

Qadir HA, Solhusvik J, Bergsland J, Aabakken L, Balasingham I (2019)
A Framework With a Fully Convolutional Neural Network for Semi-Automatic Colon Polyp Annotation
IEEE Access, 7, 169537-169547
DOI 10.1109/ACCESS.2019.2954675

Yamamoto H, Aabakken L (2019)
Small-bowel endoscopy
Endoscopy, 51 (5), 399-400
DOI 10.1055/a-0879-1823

Publications 2018

Bjornland K, Hinna M, Aksnes G, Stensrud KJ, Ertresvag K, Bjornstad-Ostensen A, Sanengen T, Line PD, Aagenaes I, Aabakken L, Emblem R, Almaas R (2018)
Outcome for biliary atresia patients treated at a low-volume centre
Scand. J. Gastroenterol., 53 (4), 471-474
DOI 10.1080/00365521.2018.1439097

Bujko A, Atlasy N, Landsverk OJB, Richter L, Yaqub S, Horneland R, Oyen O, Aandahl EM, Aabakken L, Stunnenberg HG, Baekkevold ES, Jahnsen FL (2018)
Transcriptional and functional profiling defines human small intestinal macrophage subsets
J. Exp. Med., 215 (2), 441-458
DOI 10.1084/jem.20170057

Carlsen A, Omdal R, Leitao KO, Isaksen K, Hetta AK, Karlsen LN, Aabakken L, Bolstad N, Warren D, Lundin KEA, Grimstad T (2018)
Subtherapeutic concentrations of infliximab and adalimumab are associated with increased disease activity in Crohn's disease
Ther. Adv. Gastroenterol., 11, 1756284818759930
DOI 10.1177/1756284818759930

Domagk D, Oppong KW, Aabakken L, Czako L, Gyokeres T, Manes G, Meier P, Poley JW, Ponchon T, Tringali A, Bellisario C, Minozzi S, Senore C, Bennett C, Bretthauer M, Hassan C, Kaminski MF, Dinis-Ribeiro M, Rees CJ, Spada C, Valori R, Bisschops R, Rutter MD (2018)
Performance measures for ERCP and endoscopic ultrasound: a European Society of Gastrointestinal Endoscopy (ESGE) Quality Improvement Initiative
Endoscopy, 50 (11), 1116-1127
DOI 10.1055/a-0749-8767

Domagk D, Oppong KW, Aabakken L, Czako L, Gyokeres T, Manes G, Meier P, Poley JW, Ponchon T, Tringali A, Bellisario C, Minozzi S, Senore C, Bennett C, Bretthauer M, Hassan C, Kaminski MF, Dinis-Ribeiro M, Rees CJ, Spada C, Valori R, Bisschops R, Rutter MD (2018)
Performance measures for endoscopic retrograde cholangiopancreatography and endoscopic ultrasound: A European Society of Gastrointestinal Endoscopy (ESGE) Quality Improvement Initiative
United European Gastroenterol. J., 6 (10), 1448-1460
DOI 10.1177/2050640618808157

Eskeland SL, Rueegg CS, Brunborg C, Aabakken L, de Lange T (2018)
Electronic checklists improve referral letters in gastroenterology: a randomized vignette survey
Int. J. Qual. Health Care, 30 (6), 450-456
DOI 10.1093/intqhc/mzy057

Grimstad T, Kvivik I, Kvaloy JT, Aabakken L, Omdal R (2018)
Heat shock protein 90 and inflammatory activity in newly onset Crohn's disease
Scand. J. Gastroenterol., 53 (12), 1453-1458
DOI 10.1080/00365521.2018.1533582

Hassan C, Aabakken L, Ebigbo A, Karstensen JG, Guy C, Dinis-Ribeiro M, Le Moine O, Vilmann P, Ponchon T (2018)
Partnership with African Countries: European Society of Gastrointestinal Endoscopy (ESGE) - Position Statement
Endosc. Int. Open, 6 (10), E1247-E1255
DOI 10.1055/a-0677-2026

Holme O, Pedersen IB, Medhus AW, Aabakken L, Glomsaker T, Kvamme JM, Loberg M, Bretthauer M, Seip B, Kjellevold O, Jorgensen A, Furholm S, Hoff G, de Lange T (2018)
Endoscopy assistants influence the quality of colonoscopy
Endoscopy, 50 (9), 871-877
DOI 10.1055/s-0044-101706

Holme O, Aabakken L (2018)
Making Colonoscopy Smarter With Standardized Computer-Aided Diagnosis
Ann. Intern. Med., 169 (6), 409-+
DOI 10.7326/M18-1901

Karstensen JG, Ebigbo A, Aabakken L, Dinis-Ribeiro M, Gralnek I, Le Moine O, Vilmann P, Ijoma U, Anigbo G, Afihene M, Duduyemi B, Ponchon T, Hassan C (2018)
Nonvariceal upper gastrointestinal hemorrhage: European Society of Gastrointestinal Endoscopy (ESGE) Cascade Guideline
Endosc. Int. Open, 6 (10), E1256-E1263
DOI 10.1055/a-0677-2084

Nordheim E, Horneland R, Aandahl EM, Grzyb K, Aabakken L, Paulsen V, Midtvedt K, Hartmann A, Jenssen T (2018)
Pancreas transplant rejection episodes are not revealed by biopsies of the donor duodenum in a prospective study with paired biopsies
Am. J. Transplant., 18 (5), 1256-1261
DOI 10.1111/ajt.14658

Nymo LS, Aabakken L, Lassen K (2018)
Priority and prejudice: does low socioeconomic status bias waiting time for endoscopy? A blinded, randomized survey
Scand. J. Gastroenterol., 53 (5), 621-625
DOI 10.1080/00365521.2017.1402207

Ponsioen CY, Arnelo U, Bergquist A, Rauws EA, Paulsen V, Cantu P, Parzanese I, De Vries EM, van Munster KN, Said K, Chazouilleres O, Desaint B, Kemgang A, Farkkila M, Van der Merwe S, Van Steenbergen W, Marschall HU, Stotzer PO, Thorburn D, Pereira SP, Aabakken L (2018)
No Superiority of Stents vs Balloon Dilatation for Dominant Strictures in Patients With Primary Sclerosing Cholangitis
Gastroenterology, 155 (3), 752-+
DOI 10.1053/j.gastro.2018.05.034

Shin Y, Qadir HA, Aabakken L, Bergsland J, Balasingham I (2018)
Automatic Colon Polyp Detection Using Region Based Deep CNN and Post Learning Approaches
IEEE Access, 6, 40950-40962
DOI 10.1109/ACCESS.2018.2856402

Tringali A, Hassan C, Rota M, Rossi M, Mutignani M, Aabakken L (2018)
Covered vs. uncovered self-expandable metal stents for malignant distal biliary strictures: a systematic review and meta-analysis
Endoscopy, 50 (6), 631-641
DOI 10.1055/s-0043-125062

Aabakken L, Haber G (2018)
How I perform sphincterotomy
Gastrointest. Endosc., 88 (2), 207-208
DOI 10.1016/j.gie.2018.05.011

Aabakken L, Haber G (2018)
How I perform sphincterotomy
Endoscopy, 50 (8), 818-819
DOI 10.1055/a-0631-2213

Publications 2017

Eskeland SL, Brunborg C, Rueegg CS, Aabakken L, de Lange T (2017)
Assessment of the effect of an Interactive Dynamic Referral Interface (IDRI) on the quality of referral letters from general practitioners to gastroenterologists: a randomised cross-over vignette trial
BMJ Open, 7 (6), e014636
DOI 10.1136/bmjopen-2016-014636

Grimstad T, Skoie IM, Doerner J, Isaksen K, Karlsen L, Aabakken L, Omdal R, Putterman C (2017)
TWEAK is not elevated in patients with newly diagnosed inflammatory bowel disease
Scand. J. Gastroenterol., 52 (4), 420-424
DOI 10.1080/00365521.2016.1273382

Hoff G, de Lange T, Bretthauer M, Buset M, Dahler S, Halvorsen FA, Halwe JM, Heibert M, Hoie O, Kjellevold O, Moritz V, Sandvei P, Seip B, Aabakken L, Holme O (2017)
Patient-reported adverse events after colonoscopy in Norway
Endoscopy, 49 (8), 745-753
DOI 10.1055/s-0043-105265

Knatten CK, Fjeld JG, Medhus AW, Pripp AH, Fyhn TJ, Aabakken L, Kjosbakken H, Edwin B, Emblem R, Bjornland K (2017)
Preoperative liquid gastric emptying rate does not predict outcome after fundoplication
J. Pediatr. Surg., 52 (4), 540-543
DOI 10.1016/j.jpedsurg.2016.09.068

Thomson M, Tringali A, Dumonceau JM, Tavares M, Tabbers MM, Furlano R, Spaander M, Hassan C, Tzvinikos C, Ijsselstijn H, Viala J, Dall'Oglio L, Benninga M, Orel R, Vandenplas Y, Keil R, Romano C, Brownstone E, Hlava S, Gerner P, Dolak W, Landi R, Huber WD, Everett S, Vecsei A et al. (2017)
Paediatric Gastrointestinal Endoscopy: European Society for Paediatric Gastroenterology Hepatology and Nutrition and European Society of Gastrointestinal Endoscopy Guidelines
J. Pediatr. Gastroenterol. Nutr., 64 (1), 133-153
DOI 10.1097/MPG.0000000000001408

Tringali A, Thomson M, Dumonceau JM, Tavares M, Tabbers MM, Furlano R, Spaander M, Hassan C, Tzvinikos C, Ijsselstijn H, Viala J, Dall'Oglio L, Benninga M, Orel R, Vandenplas Y, Keil R, Romano C, Brownstone E, Hlava S, Gerner P, Dolak W, Landi R, Huber WD, Everett S, Vecsei A et al. (2017)
Pediatric gastrointestinal endoscopy: European Society of Gastrointestinal Endoscopy (ESGE) and European Society for Paediatric Gastroenterology Hepatology and Nutrition (ESPGHAN) Guideline Executive summary
Endoscopy, 49 (1), 83-91
DOI 10.1055/s-0042-111002

Aabakken L, Karlsen T, Albert J, Arvanitakis M, Chazouilleres O, Dumonceau JM, Farkkila M, Fickert P, Hirschfield GM, Laghi A, Marzioni M, Fernandez M, Pereira SP, Pohl J, Poley JW, Ponsioen CY, Schramm C, Swahn F, Tringali A, Hassan C (2017)
Role of endoscopy in primary sclerosing cholangitis: European Society of Gastrointestinal Endoscopy (ESGE) and European Association for the Study of the Liver (EASL) Clinical Guideline
Endoscopy, 49 (6), 588-608
DOI 10.1055/s-0043-107029

Publications 2016

Birk M, Bauerfeind P, Deprez PH, Hafner M, Hartmann D, Hassan C, Hucl T, Lesur G, Aabakken L, Meining A (2016)
Removal of foreign bodies in the upper gastrointestinal tract in adults: European Society of Gastrointestinal Endoscopy (ESGE) Clinical Guideline
Endoscopy, 48 (5), 489-496
DOI 10.1055/s-0042-100456

Bretthauer M, Aabakken L, Dekker E, Kaminski MF, Rosch T, Hultcrantz R, Suchanek S, Jover R, Kuipers EJ, Bisschops R, Spada C, Valori R, Domagk D, Rees C, Rutter MD, ESGE Quality Improvement Comm (2016)
Reporting systems in gastrointestinal endoscopy: Requirements and standards facilitating quality improvement: European Society of Gastrointestinal Endoscopy position statement
United European Gastroenterol. J., 4 (2), 172-176
DOI 10.1177/2050640616629079

Bretthauer M, Aabakken L, Dekker E, Kaminski MF, Rosch T, Hultcrantz R, Suchanek S, Jover R, Kuipers EJ, Bisschops R, Spada C, Valori R, Domagk D, Rees C, Rutter MD, ESGE Quality Improvement Committee (2016)
Requirements and standards facilitating quality improvement for reporting systems in gastrointestinal endoscopy: European Society of Gastrointestinal Endoscopy (ESGE) Position Statement
Endoscopy, 48 (3), 291-294
DOI 10.1055/s-0042-100186

Eskeland SL, Brunborg C, Seip B, Wiencke K, Hovde O, Owen T, Skogestad E, Huppertz-Hauss G, Halvorsen FA, Garborg K, Aabakken L, de Lange T (2016)
First quality score for referral letters in gastroenterology - a validation study
BMJ Open, 6 (10), e012835
DOI 10.1136/bmjopen-2016-012835

Grimstad T, Norheim KB, Kvaloy JT, Isaksen K, Leitao K, Carlsen A, Karlsen LN, Aabakken L, Omdal R (2016)
Conventional treatment regimens for ulcerative colitis alleviate fatigue - an observational cohort study
Scand. J. Gastroenterol., 51 (10), 1213-1219
DOI 10.1080/00365521.2016.1195869

Hauge T, Hauge PW, Warloe T, Drolsum A, Johansen C, Viktil E, Aabakken L, Buanes T, Konopski Z (2016)
Randomised controlled trial of temoporfin photodynamic therapy plus chemotherapy in nonresectable biliary carcinoma-PCS Nordic study
Photodiagnosis Photodyn. Ther., 13, 330-333
DOI 10.1016/j.pdpdt.2015.09.004

Knatten CK, Kvello M, Fyhn TJ, Edwin B, Schistad O, Aabakken L, Pripp AH, Kjosbakken H, Emblem R, Bjornland K (2016)
Nissen fundoplication in children with and without neurological impairment: A prospective cohort study
J. Pediatr. Surg., 51 (7), 1115-1121
DOI 10.1016/j.jpedsurg.2015.12.007

Kvello M, Avitsland TL, Knatten CK, Pripp AH, Aabakken L, Emblem R, Bjornland K (2016)
Trends in the use of gastrostomies at a tertiary paediatric referral centre
Scand. J. Gastroenterol., 51 (5), 625-632
DOI 10.3109/00365521.2015.1123288

Rees CJ, Ngu WS, Regula J, Bisschops R, Saftoiu A, Dekker E, Gralnek I, Ciocirlan M, Dinis-Ribeiro M, Jover R, Meisner S, Spada C, Hassan C, Valori R, Hucl T, Le Moine O, Domagk D, Kaminski MF, Bretthauer M, Rutter MD, Aabakken L, Ponchon T, Fockens P, Siersema PD (2016)
European Society of Gastrointestinal Endoscopy - Establishing the key unanswered research questions within gastrointestinal endoscopy
Endoscopy, 48 (10), 884-891
DOI 10.1055/s-0042-110398

Rushfeldt C, Pham KDC, Aabakken L (2016)
Endoscopic surgery
Tidsskr. Nor. Laegeforen., 136 (9), 827-830

Rushfeldt C, Aabakken L (2016)
Implementation of Endoscopic Submucosal Dissection for Gastric Lesions in Norway
Scand. J. Surg., 105 (2), 90-96
DOI 10.1177/1457496915596345

Rutter MD, Senore C, Bisschops R, Domagk D, Valori R, Kaminski MF, Spada C, Bretthauer M, Bennett C, Bellisario C, Minozzi S, Hassan C, Rees C, Dinis-Ribeiro M, Hucl T, Ponchon T, Aabakken L, Fockens P (2016)
The European Society of Gastrointestinal Endoscopy Quality Improvement Initiative: developing performance measures
Endoscopy, 48 (1), 81-89
DOI 10.1055/s-0035-1569580

Rutter MD, Senore C, Bisschops R, Domagk D, Valori R, Kaminski MF, Spada C, Bretthauer M, Bennett C, Bellisario C, Minozzi S, Hassan C, Rees C, Dinis-Ribeiro M, Hucl T, Ponchon T, Aabakken L, Fockens P (2016)
The European Society of Gastrointestinal Endoscopy Quality Improvement Initiative: developing performance measures
United European Gastroenterol. J., 4 (1), 30-41
DOI 10.1177/2050640615624631

Sevo I, Avramovic A, Balasingham I, Elle OJ, Bergsland J, Aabakken L (2016)
Edge density based automatic detection of inflammation in colonoscopy videos
Comput. Biol. Med., 72, 138-150
DOI 10.1016/j.compbiomed.2016.03.017

Testoni PA, Mariani A, Aabakken L, Arvanitakis M, Bories E, Costamagna G, Deviere J, Dinis-Ribeiro M, Dumonceau JM, Giovannini M, Gyokeres T, Hafner M, Halttunen J, Hassan C, Lopes L, Papanikolaou IS, Tham TC, Tringali A, van Hooft J, Williams EJ (2016)
Papillary cannulation and sphincterotomy techniques at ERCP: European Society of Gastrointestinal Endoscopy (ESGE) Clinical Guideline
Endoscopy, 48 (7), 657-683
DOI 10.1055/s-0042-108641

Aabakken L (2016)
Davidsons's principles and practice of medicine
Tidsskr. Nor. Laegeforen., 136 (1), 53

Aabakken L (2016)
Endoscope reprocessing - painted into a corner?
Endoscopy, 48 (7), 605-606
DOI 10.1055/s-0042-109060

Publications 2015

Andresen K, Boberg KM, Vedeld HM, Honne H, Jebsen P, Hektoen M, Wadsworth CA, Clausen OP, Lundin KEA, Paulsen V, Foss A, Mathisen O, Aabakken L, Schrumpf E, Lothe RA, Lind GE (2015)
Four DNA Methylation Biomarkers in Biliary Brush Samples Accurately Identify the Presence of Cholangiocarcinoma
Hepatology, 61 (5), 1651-1659
DOI 10.1002/hep.27707

Fyhn TJ, Knatten CK, Edwin B, Schistad O, Aabakken L, Kjosbakken H, Pripp AH, Emblem R, Bjornland K (2015)
Randomized Controlled Trial of Laparoscopic and Open Nissen Fundoplication in Children
Ann. Surg., 261 (6), 1061-1067
DOI 10.1097/SLA.0000000000001045

Gralnek IM, Dumonceau JM, Kuipers EJ, Lanas A, Sanders DS, Kurien M, Rotondano G, Hucl T, Dinis-Ribeiro M, Marmo R, Racz I, Arezzo A, Hoffmann RT, Lesur G, de Franchis R, Aabakken L, Veitch A, Radaelli F, Salgueiro P, Cardoso R, Maia L, Zullo A, Cipolletta L, Hassan C (2015)
Diagnosis and management of nonvariceal upper gastrointestinal hemorrhage: European Society of Gastrointestinal Endoscopy (ESGE) Guideline
Endoscopy, 47 (10), A1-A46
DOI 10.1055/s-0034-1393172

Grimstad T, Norheim KB, Isaksen K, Leitao K, Hetta AK, Carlsen A, Karlsen LN, Skoie IM, Goransson L, Harboe E, Aabakken L, Omdal R (2015)
Fatigue in Newly Diagnosed Inflammatory Bowel Disease
J. Crohns Colitis, 9 (9), 725-730
DOI 10.1093/ecco-jcc/jjv091

Horneland R, Paulsen V, Lindahl JP, Grzyb K, Eide TJ, Lundin K, Aabakken L, Jenssen T, Aandahl EM, Foss A, Oyen O (2015)
Pancreas Transplantation With Enteroanastomosis to Native Duodenum Poses Technical Challenges-But Offers Improved Endoscopic Access for Scheduled Biopsies and Therapeutic Interventions
Am. J. Transplant., 15 (1), 242-250
DOI 10.1111/ajt.12953

Isaksen K, Aabakken L, Grimstad T, Karlsen L, Sandvei PK, Dalgard O (2015)
Hepatitis C-treatment at three norwegian hospitals 2000-11
Tidsskr. Nor. Laegeforen., 135 (22), 2052-2058
DOI 10.4045/tidsskr.14.1478

Aabakken L (2015)
Scandinavian journal of gastroenterology - the editors-in-chief
Scand. J. Gastroenterol., 50 (6), 630-635
DOI 10.3109/00365521.2015.1028995

Publications 2014

Cetinkaya RB, Vatn M, Aabakken L, Bergestuen DS, Thiis-Evensen E (2014)
Survival and prognostic factors in well-differentiated pancreatic neuroendocrine tumors
Scand. J. Gastroenterol., 49 (6), 734-741
DOI 10.3109/00365521.2014.903432

Halttunen J, Meisner S, Aabakken L, Arnelo U, Gronroos J, Hauge T, Kleveland PM, Schmidt PN, Saarela A, Swahn F, Toth E, Mustonen H, Lohr JM (2014)
Difficult cannulation as defined by a prospective study of the Scandinavian Association for Digestive Endoscopy (SADE) in 907 ERCPs
Scand. J. Gastroenterol., 49 (6), 752-758
DOI 10.3109/00365521.2014.894120

Leitao K, Grimstad T, Bretthauer M, Holme O, Paulsen V, Karlsen L, Isaksen K, Cvancarova M, Aabakken L (2014)
Polyethylene glycol vs sodium picosulfate/magnesium citrate for colonoscopy preparation
Endosc. Int. Open, 2 (4), E230-E234
DOI 10.1055/s-0034-1377520

Lohr JM, Aabakken L, Arnelo U, Gronroos J, Halttunen J, Hauge T, Jonas E, Kleveland PM, Schmidt PN, Swahn F, Saarela A, Toth E, Meisner S (2014)
How to cannulate? A survey of the Scandinavian Association for Digestive Endoscopy (SADE) in 141 endoscopists (vol 47, pg 861, 2012)
Scand. J. Gastroenterol., 49 (10), 1272
DOI 10.3109/00365521.2014.937117

Aabakken L (2014)
Quality reporting - finally achievable?
Endoscopy, 46 (3), 188-189
DOI 10.1055/s-0034-1365021

Aabakken L, Barkun AN, Cotton PB, Fedorov E, Fujino MA, Ivanova E, Kudo SE, Kuznetzov K, de Lange T, Matsuda K, Le Moine O, Rembacken B, Rey JF, Romagnuolo J, Rosch T, Sawhney M, Yao K, Waye JD (2014)
Standardized endoscopic reporting
J. Gastroenterol. Hepatol., 29 (2), 234-240
DOI 10.1111/jgh.12489

Publications 2013

Glomsaker T, Hoff G, Kvaloy JT, Soreide K, Aabakken L, Soreide JA, Norwegian Gastronet ERCP Grp (2013)
Patterns and predictive factors of complications after endoscopic retrograde cholangiopancreatography
Br. J. Surg., 100 (3), 373-380
DOI 10.1002/bjs.8992

Glomsaker TB, Hoff G, Kvaloy JT, Soreide K, Aabakken L, Soreide JA, Norwegian Gastronet ERCP Grp (2013)
Patient-reported outcome measures after endoscopic retrograde cholangiopancreatography: a prospective, multicentre study
Scand. J. Gastroenterol., 48 (7), 868-876
DOI 10.3109/00365521.2013.794470

von Karsa L, Patnick J, Segnan N, Atkin W, Halloran S, Lansdorp-Vogelaar I, Malila N, Minozzi S, Moss S, Quirke P, Steele RJ, Vieth M, Aabakken L, Altenhofen L, Ancelle-Park R, Antoljak N, Anttila A, Armaroli P, Arrossi S, Austoker J, Banzi R, Bellisario C, Blom J, Brenner H, Bretthauer M et al. (2013)
European guidelines for quality assurance in colorectal cancer screening and diagnosis: Overview and introduction to the full Supplement publication
Endoscopy, 45 (1), 51-59
DOI 10.1055/s-0032-1325997

Wasmuth HH, Trano G, Myrvold HE, Aabakken L, Bakka A (2013)
Adenoma Formation and Malignancy After Restorative Proctocolectomy With or Without Mucosectomy in Patients With Familial Adenomatous Polyposis
Dis. Colon Rectum, 56 (3), 288-294
DOI 10.1097/DCR.0b013e31827c970f

Publications 2012

Hoff G, Moritz V, Bretthauer M, Aabakken L, Berset IP, Glomsaker T, Hoie O, de Lange T (2012)
Incontinence after colonoscopy - an unrecognized and preventable problem. A cross-sectional study from the Gastronet quality assurance program
Endoscopy, 44 (4), 349-353
DOI 10.1055/s-0031-1291657

Lanas A, Aabakken L, Fonseca J, Mungan Z, Papatheodoridis G, Piessevaux H, Rotondano G, Nuevo J, Tafalla M (2012)
Variability in the Management of Nonvariceal Upper Gastrointestinal Bleeding in Europe: An Observational Study
Adv. Ther., 29 (12), 1026-1036
DOI 10.1007/s12325-012-0069-x

Aabakken L (2012)
Endoscopic retrograde cholangiopancreatography
Gastrointest. Endosc., 76 (3), 516-520
DOI 10.1016/j.gie.2012.06.029

Aabakken L (2012)
Endoscopic retrograde cholangiopancreatography
Endoscopy, 44 (9), 855-859
DOI 10.1055/s-0032-1310056

Publications 2011

Domagk D, Mensink P, Aktas H, Lenz P, Meister T, Luegering A, Ullerich H, Aabakken L, Heinecke A, Domschke W, Kuipers E, Bretthauer M (2011)
Single- vs. double-balloon enteroscopy in small-bowel diagnostics: a randomized multicenter trial
Endoscopy, 43 (6), 472-476
DOI 10.1055/s-0030-1256247

Glomsaker T, Soreide K, Hoff G, Aabakken L, Soreide JA, Norwegian Gastronet ERCP Grp (2011)
Contemporary use of endoscopic retrograde cholangiopancreatography (ERCP): A Norwegian prospective, multicenter study
Scand. J. Gastroenterol., 46 (9), 1144-1151
DOI 10.3109/00365521.2011.594085

Glomsaker T, Soreide K, Aabakken L, Soreide JA (2011)
A national audit of temporal trends in endoscopic retrograde cholangiopancreatography in Norway
Scand. J. Gastroenterol., 46 (1), 116-121
DOI 10.3109/00365521.2010.513063

Hoff G, Volker M, Bretthauer M, Aabakken L, Hoie O, deLange T, Berset I, Kjellevold O, Glomsaker T, Huppertz-Hauss G, Lange O, Sandvei P (2011)
Gastronet survey on the use of one- or two-person technique for colonoscopy insertion
BMC Gastroenterol., 11, 73
DOI 10.1186/1471-230X-11-73

Holm TE, Rosseland AR, Lundin KAE, Rosok BI, Aabakken L, Bock G, Lauzikas G, Thorne H (2011)
Endoscopic stent treatment of a duodenal ulcer perforation
Endoscopy, 43 2, E60
DOI 10.1055/s-0030-1256079

Lanas A, Aabakken L, Fonseca J, Mungan ZA, Papatheodoridis GV, Piessevaux H, Cipolletta L, Nuevo J, Tafalla M (2011)
Clinical predictors of poor outcomes among patients with nonvariceal upper gastrointestinal bleeding in Europe
Aliment. Pharmacol. Ther., 33 (11), 1225-1233
DOI 10.1111/j.1365-2036.2011.04651.x

Loberg M, Furholm S, Hoff I, Aabakken L, Hoff G, Bretthauer M (2011)
Nitrous oxide for analgesia in colonoscopy without sedation
Gastrointest. Endosc., 74 (6), 1347-1353
DOI 10.1016/j.gie.2011.07.071

Rey JF, Lambert R, Aabakken L, Dekker E, East JE, Kaltenbach T, Kato M, Sharma P, Tanaka S (2011)
PROCEEDINGS OF A PRELIMINARY WORKSHOP AT GASTRO 2009-NARROW BANDING IMAGING IN DIGESTIVE ENDOSCOPY: CLINICAL OUTCOME OF CLASSIFICATION (OMED-JGES EDUCATIONAL MEETING HELD ON 22 NOVEMBER, 2009)
Dig. Endosc., 23 (3), 251-266
DOI 10.1111/j.1443-1661.2010.01083.x

Aabakken L, Enochsson L (2011)
Mechanics of quality assurance - Now and in the future
Best Pract. Res. Clin. Gastroenterol., 25 (3), 419-425
DOI 10.1016/j.bpg.2011.05.009

Publications 2010

Almendingen K, Hostmark AT, Larsen LN, Fausa O, Bratlie J, Aabakken L (2010)
Relationship between Fecal Content of Fatty Acids and Cyclooxygenase mRNA Expression and Fatty Acid Composition in Duodenal Biopsies, Serum Lipoproteins, and Dietary Fat in Colectomized Familial Adenomatous Polyposis Patients
J. Nutr. Metab., 2010, 862569
DOI 10.1155/2010/862569

Almendingen K, Larsen LN, Fausa O, Bratlie J, Hostmark AT, Aabakken L (2010)
Selective COX-2 inhibition affects fatty acids, but not COX mRNA expression in patients with FAP
Fam. Cancer, 9 (4), 571-580
DOI 10.1007/s10689-010-9365-2

Bendz B, Aabakken L (2010)
Turnuslegeboka 2010
Legeforl., Oslo (Ny rev. utg.), 458 s.
BIBSYS 102213836, ISBN 978-82-92934-05-0

Cotton PB, Eisen GM, Aabakken L, Baron TH, Hutter MM, Jacobson BC, Mergener K, Nemcek A, Petersen BT, Petrini JL, Pike IM, Rabeneck L, Romagnuolo J, Vargo JJ (2010)
A lexicon for endoscopic adverse events: report of an ASGE workshop
Gastrointest. Endosc., 71 (3), 446-454
DOI 10.1016/j.gie.2009.10.027

Ponsioen CY, Reitsma JB, Boberg KM, Aabakken L, Rauws EAJ, Schrumpf E (2010)
Validation of a cholangiographic prognostic model in primary sclerosing cholangitis
Endoscopy, 42 (9), 742-747
DOI 10.1055/s-0030-1255527

Aabakken L (2010)
This month in Scandinavian Journal of Gastroenterology
Scand. J. Gastroenterol., 45 (9), 1011-1012
DOI 10.3109/00365521.2010.511048

Publications 2009

Almendingen K, Fausa O, Hostmark AT, Bratlie J, Morkerid L, Aabakken L, Vatn MH (2009)
Serum nutrients and habitual dietary intake in colectomized FAP patients in Norway
Eur. J. Nutr., 48 (3), 129-136
DOI 10.1007/s00394-008-0772-1

Andresen PA, Heimdal K, Aaberg K, Eklo K, Ariansen S, Silye A, Fausa O, Aabakken L, Aretz S, Eide TJ, Gedde-Dahl T (2009)
APC mutation spectrum of Norwegian familial adenomatous polyposis families: high ratio of novel mutations
J. Cancer Res. Clin. Oncol., 135 (10), 1463-1470
DOI 10.1007/s00432-009-0594-4

Bergestuen DS, Aabakken L, Holm K, Vatn M, Thiis-Evensen E (2009)
Small intestinal neuroendocrine tumors: Prognostic factors and survival
Scand. J. Gastroenterol., 44 (9), 1084-1091
DOI 10.1080/00365520903082432

Bjornsson E, Aabakken L, Olafsson S, Bendtsen F (2009)
Are specific guidelines necessary for treatment of esophageal varices in the Nordic countries?
Scand. J. Gastroenterol., 44 (9), 1037-1047
DOI 10.1080/00365520903075170

Kalaitzakis E, Panos M, Sadik R, Aabakken L, Koumi A, Meenan J (2009)
Clinicians' attitudes towards endoscopic ultrasound: A survey of four European countries
Scand. J. Gastroenterol., 44 (1), 100-U127
DOI 10.1080/00365520802495545

Rey JF, Repici A, Kuznetsov K, Boyko V, Aabakken L (2009)
Optimal preparation for small bowel examinations with video capsule endoscopy
Dig. Liver Dis., 41 (7), 486-493
DOI 10.1016/j.dld.2008.09.016

Aabakken L (2009)
Endoscopic diagnosis and treatment of tumors
Endoscopy, 41 (10), 861-865
DOI 10.1055/s-0029-1215090

Aabakken L, Rembacken B, LeMoine O, Kuznetsov K, Rey JF, Rosch T, Eisen G, Cotton P, Fujino M (2009)
Minimal standard terminology for gastrointestinal endoscopy - MST 3.0
Endoscopy, 41 (8), 727-728
DOI 10.1055/s-0029-1214949

Aabakken L, Aagenaes I, Sanengen T, Aasen S, Emblem R, Bjornland K (2009)
Utility of ERCP in Neonatal and Infant Cholestasis
J. Laparoendosc. Adv. Surg. Tech., 19 (3), 431-436
DOI 10.1089/lap.2008.0272

Publications 2008

Aabakken L (2008)
Current endoscopic and pharmacological therapy of peptic ulcer bleeding
Best Pract. Res. Clin. Gastroenterol., 22 (2), 243-259
DOI 10.1016/j.bpg.2007.10.010

Aabakken L (2008)
Endoscopic haemostasis
Best Pract. Res. Clin. Gastroenterol., 22 (5), 899-927
DOI 10.1016/j.bpg.2008.05.002

Publications 2007

Almendingen K, Hostmark AT, Fausa O, Mosdol A, Aabakken L, Vatn MH (2007)
Familial adenomatous polyposis patients have high levels of arachidonic acid and docosahexaenoic acid and low levels of linoleic acid and alpha-linolenic acid in serum phospholipids
Int. J. Cancer, 120 (3), 632-637
DOI 10.1002/ijc.22337

Bendz B, Aabakken L (2007)
Turnuslegeboka
Legeforlaget, Oslo (4. utg.), 417 s.
BIBSYS 071016708, ISBN 978-82-993568-7-9

Bretthauer M, Seip B, Aasen S, Kordal M, Hoff G, Aabakken L (2007)
Carbon dioxide insufflation for more comfortable endoscopic retrograde cholangiopancreatography: a randomized, controlled, double-blind trial
Endoscopy, 39 (1), 58-64
DOI 10.1055/s-2006-945036

Domagk D, Bretthauer M, Lenz P, Aabakken L, Ullerich H, Maaser C, Domschke W, Kucharzik T (2007)
Carbon dioxide insufflation improves intubation depth in double-balloon enteroscopy: a randomized, controlled, double-blind trial
Endoscopy, 39 (12), 1064-1067
DOI 10.1055/s-2007-966990

Fork FT, Aabakken L (2007)
Capsule enteroscopy and radiology of the small intestine
Eur. Radiol., 17 (12), 3103-3111
DOI 10.1007/s00330-007-0718-7

Aabakken L (2007)
Endoscopic diagnosis and treatment of gastric tumors
Endoscopy, 39 (11), 974-977
DOI 10.1055/s-2007-966926

Aabakken L, Bretthauer M, Line PD (2007)
Double-balloon enteroscopy for endoscopic retrograde cholangiography in patients with a Roux-en-Y anastomosis
Endoscopy, 39 (12), 1068-1071
DOI 10.1055/s-2007-966841

Publications 2006

Almaas H, Cases AL, Devold TG, Holm H, Langsrud T, Aabakken L, Aadnoey T, Vegarud GE (2006)
In vitro digestion of bovine and caprine milk by human gastric and duodenal enzymes
Int. Dairy J., 16 (9), 961-968
DOI 10.1016/j.idairyj.2005.10.029

Berstad AE, Aabakken L, Smith HJ, Aasen S, Boberg KM, Schrumpf E (2006)
Diagnostic accuracy of magnetic resonance and endoscopic retrograde cholangiography in primary sclerosing cholangitis
Clin. Gastroenterol. Hepatol., 4 (4), 514-520
DOI 10.1016/j.cgh.2005.10.007

Boberg KM, Jebsen P, Clausen OP, Foss A, Aabakken L, Schrumpf E (2006)
Diagnostic benefit of biliary brush cytology in cholangiocarcinoma in primary sclerosing cholangitis
J. Hepatol., 45 (4), 568-574
DOI 10.1016/j.jhep.2006.05.010

de Lange T, Svensen AM, Larsen S, Aabakken L (2006)
The functionality, and reliability of an Internet interface for assessments of endoscopic still images and video clips: distributed research in gastroenterology
Gastrointest. Endosc., 63 (3), 445-452
DOI 10.1016/j.gie.2005.11.053

Publications 2005

Bretthauer M, Lynge AB, Thiis-Evensen E, Hoff G, Fausa O, Aabakken L (2005)
Carbon dioxide insufflation in colonoscopy: Safe and effective in sedated patients
Endoscopy, 37 (8), 706-709
DOI 10.1055/s-2005-870154

de Lange T, Larsen S, Aabakken L (2005)
Image documentation of endoscopic findings in ulcerative colitis: photographs or video clips?
Gastrointest. Endosc., 61 (6), 715-720
DOI 10.1016/S0016-5107(05)00337-8

Farup PG, Vandvik PO, Aabakken L (2005)
How useful are the Rome II criteria for identification of upper gastrointestinal disorders in general practice?
Scand. J. Gastroenterol., 40 (11), 1284-1289
DOI 10.1080/00365520510023576

Laake KO, Bjorneklett A, Aamodt G, Aabakken L, Jacobsen M, Bakka A, Vatn MH (2005)
Outcome of four weeks' intervention with probiotics on symptoms and endoscopic appearance after surgical reconstruction with a J-configurated ileal-pouch-anal-anastomosis in ulcerative colitis
Scand. J. Gastroenterol., 40 (1), 43-51
DOI 10.1080/00365520410009339

Aabakken L (2005)
Nonvariceal upper gastrointestinal bleeding
Endoscopy, 37 (3), 195-200
DOI 10.1055/s-2004-826235

Aabakken L (2005)
Colorectal cancer screening - The public/professional interface.
Acta Gastro-Enterol. Belg., 68 (2), 261

Aabakken L (2005)
Endoscopic tumor diagnosis and treatment
Endoscopy, 37 (11), 1079-1083
DOI 10.1055/s-2005-870393

Publications 2004

de Lange T, Larsen S, Aabakken L (2004)
Inter-observer agreement in the assessment of endoscopic findings in ulcerative colitis
BMC Gastroenterol., 4, 9
DOI 10.1186/1471-230X-4-9

Laake KO, Line PD, Grzyb K, Aamodt G, Aabakken L, Roset A, Hvinden AB, Bakka A, Eide J, Bjorneklett A, Vatn MH (2004)
Assessment of mucosal inflammation and blood flow in response to four weeks' intervention with probiotics in patients operated with a J-configurated ileal-pouch-anal-anastomosis (IPAA)
Scand. J. Gastroenterol., 39 (12), 1228-1235
DOI 10.1080/00365520410009320

Rikshospitalet, Aabakken L, Bjøro K (2004)
Metodebok for leger, Medisinsk avdeling
Medisinsk avdeling, Rikshospitalet, [Oslo] (Utg. 2), 152 s.
BIBSYS 050477226

Vandvik PO, Kristensen P, Aabakken L, Farup PG (2004)
Abdominal complaints in general practice - Diagnoses and characteristics of patients
Scand. J. Prim. Health Care, 22 (3), 157-162
DOI 10.1080/02813430410006503

Vandvik PO, Aabakken L, Farup PG (2004)
Diagnosing irritable bowel syndrome: poor agreement between general practitioners and the Rome II criteria
Scand. J. Gastroenterol., 39 (5), 448-453
DOI 10.1080/00365520310008782

Aabakken L (2004)
Introduction - ESGE/UEGF Colorectal Cancer - Public Awareness Campaign the Public/Professional Interface Workshop - Oslo, Norway, June 20-22, 2003
Endoscopy, 36 (4), 348-+
DOI 10.1055/s-2004-814303

Aabakken L (2004)
Non-steroide antiinnflammatoriske [i.e. anti-inflammatoriske] midler og gastrointestinaltraktus
MSD (Norge), [Drammen] (Rev. utg.), 16 s.
BIBSYS 041530500

Publications 2003

Axon AT, Aabakken L, Malfertheiner P, Danielides I, Ladas S, Hochberger J, Williams C, Campbell D, Zakaria MS (2003)
Recommendations of the ESGE workshop on ethics in teaching and learning endoscopy - First European Symposium on Ethics in Gastroenterology and Digestive Endoscopy, Kos, Greece, June 2002
Endoscopy, 35 (9), 761-764
DOI 10.1055/s-2003-41586

Boberg KM, Jebsen P, Clausen OP, Aabakken L, Brekke I, Schrumpf E (2003)
Cholangiocarcinoma in situ in primary sclerosing cholangitis: diagnosis by brush cytology and treatment by liver transplantation
J. Hepatol., 39 (3), 453
DOI 10.1016/S0168-8278(03)00326-X

de Lange T, Moum BA, Tholfsen JK, Larsen S, Aabakken L (2003)
Standardization and quality of endoscopy text reports in ulcerative colitis
Endoscopy, 35 (10), 835-840

Laake KO, Line PD, Aabakken L, Lotveit T, Bakka A, Eide J, Roseth A, Grzyb K, Borneklett A, Vatn MH (2003)
Assessment of mucosal inflammation and circulation in response to probiotics in patients operated with ileal pouch anal anastomosis for ulcerative colitis
Scand. J. Gastroenterol., 38 (4), 409-414
DOI 10.1080/00365520310000906

Aabakken L (2003)
Endoscopic tumor diagnosis and treatment
Endoscopy, 35 (11), 887-890

Aabakken L, Blomhoff JP, Jermstad T, Lynge AB (2003)
Capsule endoscopy in a patient with Zenker's diverticulum
Endoscopy, 35 (9), 799
DOI 10.1055/s-2003-41596

Aabakken L, Scholz T, Ostensen AB, Emblem R, Jermstad T (2003)
Capsule endoscopy is feasible in small children
Endoscopy, 35 (9), 798
DOI 10.1055/s-2003-41595

Publications 2001

Aabakken L (2001)
Nonvariceal upper gastrointestinal bleeding
Endoscopy, 33 (1), 16-23
DOI 10.1055/s-2001-11189

Publications 2000

Aabakken L, Adamsen S, Kruse A (2000)
Performance of a colonoscopy simulator: Experience from a hands-on endoscopy course
Endoscopy, 32 (11), 911-913
DOI 10.1055/s-2000-8092

Aabakken L, Bach-Gansmo E (2000)
Data and metadata: development of a digital curriculum
Med. Teach., 22 (6), 572-575
DOI 10.1080/01421590050175550

Publications 1999

Aabakken L (1999)
Small-bowel side-effects of non-steroidal anti-inflammatory drugs
Eur. J. Gastroenterol. Hepatol., 11 (4), 383-388
DOI 10.1097/00042737-199904000-00004

Aabakken L (1999)
Clinical symptoms, endoscopic findings and histologic features of gastroduodenal non-steroidal anti-inflammatory drugs lesions
Ital. J. Gastroenterol. Hepatol., 31 1, S19-S22

Aabakken L, Osnes M (1999)
Guide wire technique for difficult pharyngeal passage
Endoscopy, 31 (4), S25

Aabakken L, Silvestri GA, Hawes R, Reed CE, Marsi V, Hoffman B (1999)
Cost-efficacy of endoscopic ultrasonography with fine-needle aspiration vs. mediastinotomy in patients with lung cancer and suspected mediastinal adenopathy
Endoscopy, 31 (9), 707-711
DOI 10.1055/s-1999-74

Publications 1998

Aabakken L, Holthe B, Sandstad O, Rosseland A, Osnes M (1998)
Endoscopic pancreaticobiliary procedures in patients with a Billroth II resection: a 10-year follow-up study
Ital. J. Gastroenterol. Hepatol., 30 (3), 301-305

Aabakken L, Lyseggen E, Røttingen JA, Aabakken L (1998)
Metodebok for turnusleger
[Den norske lægeforening], Oslo (3. utg.), 355 s.
BIBSYS 990165167, ISBN 82-91318-06-9

Publications 1997

Rosén L, Aabakken L (1997)
Håndbok i krigskirurgi
FSAN, Oslo (2. utg.), 198 s.
BIBSYS 980246164, ISBN 82-992409-4-8

Aabakken L, Baasland I, Lygren I, Osnes M (1997)
Development and evaluation of written patient information for endoscopic procedures
Endoscopy, 29 (1), 23-26
DOI 10.1055/s-2007-1004056

Aabakken L, Osnes M, Rosseland AR (1997)
Gastrointestinal endoskopi
SADE, Oslo ([3. utg.]), 218 s.
BIBSYS 971698686, ISBN 82-994298-0-3

Publications 1996

Andersen R, Hosaka J, Halstensen TS, Stordahl A, Tverdal A, Aabakken L, Laerum F (1996)
The X-ray contrast medium iodixanol detects increased colonic permeability equally well as Cr-51-labeled ethylenediaminetetraacetic acid in experimental colitis of rats
Scand. J. Gastroenterol., 31 (2), 140-146
DOI 10.3109/00365529609031978

Meling TR, Aabakken L, Roseth A, Osnes M (1996)
Faecal calprotectin shedding after short-term treatment with non-steroidal anti-inflammatory drugs
Scand. J. Gastroenterol., 31 (4), 339-344
DOI 10.3109/00365529609006407

Aabakken L (1996)
Endoscopy databases: The Norwegian experience
Endoscopy, 28 (6), 501-504
DOI 10.1055/s-2007-1005530

Aabakken L, Osnes M, Frenzel W (1996)
Gastrointestinal tolerability of lornoxicam compared to that of naproxen in healthy male volunteers
Aliment. Pharmacol. Ther., 10 (2), 151-156
DOI 10.1046/j.1365-2036.1996.719899000.x

Publications 1994

Aabakken L (1994)
Metodebok for turnuskandidater
L. Aabakken, [Oslo] (2. utg.), 284 s.
BIBSYS 942005325, ISBN 82-992314-4-2

Publications 1993

Aabakken L (1993)
Med en doktor i magen ...: noen praktiske råd til deg som skal disputere ved Instituttgruppen for Oslo kommunale sykehus
L. Aabakken, Oslo (2. utg.), 21 s.
BIBSYS 96171588x, ISBN 82-992314-2-6

Publications 1991

Aabakken L (1991)
Metodebok for turnuskandidater
L. Aabakken, [Oslo], 197 s.
BIBSYS 911259309, ISBN 82-992314-3-4

Aabakken L (1991)
Med en doktor i magen ...: noen praktiske råd til deg som skal disputere ved Instituttgruppen for Oslo kommunale sykehus
Instituttgruppen for OKS, Det medisinske fakultet, Universitetet i Oslo, [Oslo], 20 s.
BIBSYS 961708425, ISBN 82-992314-2-6

Publications 1990

Aabakken L (1990)
Mucosal damage associated with short term use of nonsteroidal, anti-inflammatory drugs
Ullevål sykehus, [Medisinsk avdeling, Seksjon for førdøyelses sykdommer], Oslo, 1 b. (flere pag.)
BIBSYS 910226334, ISBN 82-992314-1-8

Aabakken L (1990)
Enkel førstehjelp
Norges Røde kors, [Oslo], 40 s.
BIBSYS 911259201, ISBN 82-7250-007-8