
Asle Wilhelm Medhus
- Head of Department, Consultant; MD, PhD
- +47 934 94 094
Education
- MD University of Oslo (1995)
- PhD University of Oslo (2001)
- Norwegian clinical specialist accreditations
- Internal medicine (2005) and gastroenterology (2006)
Current position
Head of Department of Gastroenterology and Consultant, Oslo University Hospital
Publications 2021
The effect of train-the-colonoscopy-trainer course on colonoscopy quality indicators
Endoscopy
DOI 10.1055/a-1352-4583, PubMed 33622001
Publications 2020
Perioperative Microcirculatory Changes Detected with Gastroscopy Assisted Laser Doppler Flowmetry and Visible Light Spectroscopy in Patients with Median Arcuate Ligament Syndrome
Vasc Health Risk Manag, 16, 331-341
DOI 10.2147/VHRM.S252192, PubMed 32982262
A Short Series of Laparoscopic Mesenteric Bypasses for Chronic Mesenteric Ischemia
Vasc Health Risk Manag, 16, 87-97
DOI 10.2147/VHRM.S243264, PubMed 32256075
Erosive Esophagitis and Symptoms of Gastroesophageal Reflux Disease in Patients with Morbid Obesity with and without Type 2 Diabetes: a Cross-sectional Study
Obes Surg, 30 (7), 2667-2675
DOI 10.1007/s11695-020-04545-w, PubMed 32193740
HIV-infected immunological non-responders have colon-restricted gut mucosal immune dysfunction
J Infect Dis (in press)
DOI 10.1093/infdis/jiaa714, PubMed 33216130
Laser Doppler Flowmetry and Visible Light Spectroscopy of the Gastric Tube During Minimally Invasive Esophagectomy
Vasc Health Risk Manag, 16, 497-505
DOI 10.2147/VHRM.S269138, PubMed 33273819
Publications 2019
Gastroscopy assisted laser Doppler flowmetry and visible light spectroscopy in patients with chronic mesenteric ischemia
Scand J Clin Lab Invest, 79 (7), 541-549
DOI 10.1080/00365513.2019.1672084, PubMed 31560225
Characterization of gut microbiota composition and functions in patients with chronic alcohol overconsumption
Gut Microbes, 10 (6), 663-675
DOI 10.1080/19490976.2019.1580097, PubMed 30894059
Plasma cytokine levels in patients with chronic alcohol overconsumption: Relations to gut microbiota markers and clinical correlates
Alcohol, 85, 35-40
DOI 10.1016/j.alcohol.2019.10.002, PubMed 31610228
Real world data on effectiveness, safety and therapeutic drug monitoring of vedolizumab in patients with inflammatory bowel disease. A single center cohort
Scand J Gastroenterol, 54 (1), 41-48
DOI 10.1080/00365521.2018.1548646, PubMed 30650312
Outcome of peroral endoscopic myotomy (POEM) in treatment-naive patients. A systematic review
Scand J Gastroenterol, 54 (1), 1-7
DOI 10.1080/00365521.2018.1549271, PubMed 30650313
Response to letter to the editor: 'Outcome of peroral endoscopic myotomy (POEM) in treatment-naive patients. A systematic review'
Scand J Gastroenterol, 54 (4), 520
DOI 10.1080/00365521.2019.1599416, PubMed 30978123
Publications 2018
Combining Anti-TNF-α and Vedolizumab in the Treatment of Inflammatory Bowel Disease: A Case Series
Inflamm Bowel Dis, 24 (5), 997-1004
DOI 10.1093/ibd/izx110, PubMed 29668901
Switching from originator to biosimilar infliximab - real world data of a prospective 18 months follow-up of a single-centre IBD population
Scand J Gastroenterol, 53 (6), 692-699
DOI 10.1080/00365521.2018.1463391, PubMed 29852793
Endoscopy assistants influence the quality of colonoscopy
Endoscopy, 50 (9), 871-877
DOI 10.1055/s-0044-101706, PubMed 29444529
Publications 2017
Chronic alcohol overconsumption may alter gut microbial metabolism: a retrospective study of 719 13C-D-xylose breath test results
Microb Ecol Health Dis, 28 (1), 1301725
DOI 10.1080/16512235.2017.1301725, PubMed 28572752
Does the Introduction of Biosimilars Change Our Understanding about Treatment Modalities for Inflammatory Bowel Disease?
Dig Dis, 35 (1-2), 74-82
DOI 10.1159/000449087, PubMed 28147370
Switching from Remicade® to Remsima® is well Tolerated and Feasible: A Prospective, Open-label Study
J Crohns Colitis, 11 (3), 297-304
DOI 10.1093/ecco-jcc/jjw166, PubMed 27660339
Publications 2016
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, PubMed 28277299
Publications 2013
Secular reduction of excess mortality in hip fracture patients >85 years
BMC Geriatr, 13, 25
DOI 10.1186/1471-2318-13-25, PubMed 23496953
Correction to: Small intestinal malabsorption in chronic alcoholism: a retrospective study of alcoholic patients by the 14C-D-xylose breath test
Scand J Gastroenterol, 48 (10), 1231-1232
DOI 10.3109/00365521.2013.825316, PubMed 28078905
Gastric emptying in children with gastroesophageal reflux and in healthy children
J Pediatr Surg, 48 (9), 1856-61
DOI 10.1016/j.jpedsurg.2013.03.076, PubMed 24074657
Publications 2012
Nissen fundoplication in children with cerebral palsy: influence on rate of gastric emptying and postprandial symptoms in relation to protein source in caloric liquid meals
Clin Nutr, 32 (4), 619-23
DOI 10.1016/j.clnu.2012.11.010, PubMed 23196118
Small intestinal malabsorption in chronic alcoholism: a retrospective study of alcoholic patients by the ¹⁴C-D-xylose breath test
Scand J Gastroenterol, 47 (4), 428-34
DOI 10.3109/00365521.2011.648951, PubMed 22229732
Stent treatment of malignant gastric outlet obstruction: the effect on rate of gastric emptying, symptoms, and survival
Surg Endosc, 26 (10), 2955-60
DOI 10.1007/s00464-012-2291-7, PubMed 22538695
Long-term outcome of palliative treatment with self-expanding metal stents for malignant obstructions of the GI tract
Scand J Gastroenterol, 47 (12), 1505-14
DOI 10.3109/00365521.2012.711854, PubMed 23046494
Publications 2011
The effect of protein composition in liquid meals on gastric emptying rate in children with cerebral palsy
Clin Nutr, 31 (1), 108-12
DOI 10.1016/j.clnu.2011.07.009, PubMed 21835514
Reduced ¹³C-D-xylose absorption in alcoholics is more likely caused by alterations in small intestinal mucosa than delayed gastric emptying
Scand J Gastroenterol, 46 (4), 414-9
DOI 10.3109/00365521.2010.536252, PubMed 21275757
Patient-reported outcomes in palliative gastrointestinal stenting: a Norwegian multicenter study
Surg Endosc, 25 (10), 3162-9
DOI 10.1007/s00464-011-1680-7, PubMed 21487867
Publications 2010
Database validity in assessing population trends in hip fracture rates in Canada
JAMA, 303 (2), 134-5; author reply 135
DOI 10.1001/jama.2009.1973, PubMed 20068206
Publications 2009
Treatment of malignant gastric outlet obstruction with stents: an evaluation of the reported variables for clinical outcome
BMC Gastroenterol, 9, 45
DOI 10.1186/1471-230X-9-45, PubMed 19534803
Motility of the oesophagus and small bowel in adults treated for Hirschsprung's disease during early childhood
Neurogastroenterol Motil, 22 (2), 154-60, e49
DOI 10.1111/j.1365-2982.2009.01397.x, PubMed 19735477
Publications 2007
Liquid and solid gastric emptying in adults treated for Hirschsprung's disease during early childhood
Scand J Gastroenterol, 42 (1), 34-40
DOI 10.1080/00365520600842211, PubMed 17190760
Publications 2005
Local and national electronic databases in Norway demonstrate a varying degree of validity
J Clin Epidemiol, 58 (3), 280-5
DOI 10.1016/j.jclinepi.2004.07.003, PubMed 15718117
Publications 2001
Are patients with Hirschsprung's disease prediabetic?
In Metabolism, Grune & Stratton, New York, 50(2001)nr 12, s.1389-1390
BIBSYS 022058494
Are patients with Hirschsprung's disease prediabetic?
Metabolism, 50 (12), 1389-90
DOI 10.1053/meta.2001.28139, PubMed 11735080
Gastric emptying: the validity of the paracetamol absorption test adjusted for individual pharmacokinetics
Neurogastroenterol Motil, 13 (3), 179-85
DOI 10.1046/j.1365-2982.2001.00249.x, PubMed 11437980
Publications 2000
Low-dose intravenous erythromycin: effects on postprandial and fasting motility of the small bowel
Aliment Pharmacol Ther, 14 (2), 233-40
DOI 10.1046/j.1365-2036.2000.00693.x, PubMed 10651665
Stimulation of the small intestine by nutrients in relation to phase of the migrating motor complex
Scand J Gastroenterol, 35 (5), 494-500
DOI 10.1080/003655200750023750, PubMed 10868452
Publications 1999
Delay of gastric emptying by duodenal intubation: sensitive measurement of gastric emptying by the paracetamol absorption test
Aliment Pharmacol Ther, 13 (5), 609-20
DOI 10.1046/j.1365-2036.1999.00519.x, PubMed 10233184
The influence of the migrating motor complex on the postprandial endocrine response
Scand J Gastroenterol, 34 (10), 1012-8
DOI 10.1080/003655299750025129, PubMed 10563672