P. Farup

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Alternative vs. conventional treatment given on-demand for gastroesophageal reflux disease: a randomised controlled trial

P. Farup, M. Heibert, V. Høeg, 2009, BMC complementary and alternative medicine.

Low intake of vitamin B6 is associated with irritable bowel syndrome symptoms.

Solveig C. Ligaarden, Per G. Farup, P. Farup, 2011, Nutrition research.

Prevalence and predictors of irritable bowel syndrome in patients with morbid obesity: a cross-sectional study

S. Lydersen, T. Mala, J. Kristinsson, 2017, BMC Obesity.

Vitamin B6 in plasma – sample stability and the reference limits

A. Åsberg, P. Farup, K. K. Panton, 2013, Scandinavian journal of clinical and laboratory investigation.

A candidate probiotic with unfavourable effects in subjects with irritable bowel syndrome: a randomised controlled trial

S. Lydersen, L. Axelsson, K. Naterstad, 2010, BMC gastroenterology.

Comparison of Three Triple Regimens with Omeprazole or Ranitidine Bismuth Citrate for Helicobacter pylori Eradication

R. Torp, O. Høie, P. Farup, 2002, Scandinavian journal of gastroenterology.

Differences in medication knowledge and risk of errors between graduating nursing students and working registered nurses: comparative study

Bjoerg O Simonsen, Gro K Daehlin, I. Johansson, 2014, BMC Health Services Research.

Collaboration by Use of the Internet Yields Data of High Quality and Detects Non-uniform Management of Patients with Helicobacter pylori Infection

P G Farup, V Skar, P. Farup, 2002, Scandinavian journal of gastroenterology.

Helicobacter pylori-behandling – resultater og erfaringer med samarbeid via Internett

P. Farup, 2003 .

Constipation and diarrhoea - common adverse drug reactions? A cross sectional study in the general population

S. Lydersen, P. Farup, G. S. Fosnes, 2011, BMC clinical pharmacology.

IgG and IgG4 antibodies in subjects with irritable bowel syndrome: a case control study in the general population

S. Lydersen, P. Farup, Solveig C. Ligaarden, 2012, BMC Gastroenterology.

Prevalence, comorbidity and impact of irritable bowel syndrome in Norway

S. Lydersen, P. Vandvik, P. Farup, 2006, Scandinavian journal of gastroenterology.

Faecal Microbial Markers and Psychobiological Disorders in Subjects with Morbid Obesity. A Cross-Sectional Study

P. Farup, J. Valeur, 2018, Behavioral sciences.

APOE – a genetic marker of comorbidity in subjects with morbid obesity

H. Rootwelt, K. Hestad, P. Farup, 2020, BMC Medical Genetics.

Are Nonnutritive Sweeteners Obesogenic? Associations between Diet, Faecal Microbiota, and Short-Chain Fatty Acids in Morbidly Obese Subjects

S. Lydersen, P. Farup, J. Valeur, 2019, Journal of obesity.

Are the Results of a Combined Behavioural and Surgical Treatment of Morbid Obesity Satisfactory and Predictable?

P. Farup, 2020, Nutrients.

Changes in gastrointestinal symptoms and food tolerance 6 months following weight loss surgery: associations with dietary changes, weight loss and the surgical procedure

P. Farup, A. Kvehaugen, 2018, BMC Obesity.

The rate of healing of duodenal ulcers during omeprazole treatment.

T. Bernklev, A. Walan, T. Lind, 1985, Scandinavian journal of gastroenterology.

Effect of cisapride on symptoms and biliary drainage in patients with postcholecystectomy syndrome.

P. Farup, J. Tholfsen, S. Tjora, 1991, Scandinavian journal of gastroenterology.

Patients with functional dyspepsia responding to omeprazole have a characteristic gastro-oesophageal reflux pattern.

R. Torp, P. Farup, S. Wetterhus, 1999, Scandinavian journal of gastroenterology.

Ranitidine effectively relieves symptoms in a subset of patients with functional dyspepsia.

M. Osnes, P. Farup, S. Wetterhus, 1997, Scandinavian journal of gastroenterology.

The Effect of Helicobacter pylori Retreatment With Ranitidine Bismuth Citrate, Clarithromycin, and Metronidazole Depends on the First-Line Therapy

P. Farup, V. Høeg, J. Tholfsen, 2002, Journal of clinical gastroenterology.

Highly effective twice-daily triple therapies for Helicobacter pylori infection and peptic ulcer disease: does in vitro metronidazole resistance have any clinical relevance?

B. Moum, J. Haug, F. Lerang, 1997, The American journal of gastroenterology.

Changes in serum zonulin in individuals with morbid obesity after weight-loss interventions: a prospective cohort study

S. Lydersen, P. Farup, M. Aasbrenn, 2020, BMC Endocrine Disorders.

Changes in Faecal Short-Chain Fatty Acids after Weight-Loss Interventions in Subjects with Morbid Obesity

P. Farup, J. Valeur, 2020, Nutrients.

Diagnosing irritable bowel syndrome: poor agreement between general practitioners and the Rome II criteria

L. Aabakken, P. Vandvik, P. Farup, 2004, Scandinavian journal of gastroenterology.

Idiopathic Hypoparathyroidism and Hyperthyroidism.

P. Farup, 2009, Acta medica Scandinavica.

[Treatment of Helicobacter pylori infection--results and experiences with an Internet-based collaboration trial].

P. Farup, 2003, Tidsskrift for den Norske laegeforening : tidsskrift for praktisk medicin, ny raekke.

Are frequent short gastro-oesophageal reflux episodes the cause of symptoms in patients with non-ulcer dyspepsia responding to treatment with ranitidine?

P. Farup, O. Hovde, O. Breder, 1995, Scandinavian journal of gastroenterology.

The symptomatic effect of cisapride in patients with irritable bowel syndrome and constipation.

P. Farup, O. Lange, S. Wetterhus, 1998, Scandinavian journal of gastroenterology.

Functional Bowel Disorders Are Associated with a Central Immune Activation

S. Lydersen, K. Rudi, K. Hestad, 2017, Gastroenterology research and practice.

Irritable bowel syndrome-like symptoms and health related quality of life two years after Roux-en-Y gastric bypass - a prospective cohort study

T. Mala, M. Chahal-Kummen, I. Blom-Høgestøl, 2019, BMC Gastroenterology.

Circulating Lipoproteins in Subjects with Morbid Obesity Undergoing Bariatric Surgery with Gastric Bypass or Sleeve Gastrectomy

H. Rootwelt, K. Hestad, J. Aaseth, 2022, Nutrients.

A comparison of diagnostic tests for lactose malabsorption - which one is the best?

Ø. Hovde, P. Farup, 2009, BMC gastroenterology.

Tegaserod—merely a laxative?

P. Bytzer, P. Farup, 2004, Scandinavian journal of gastroenterology.

The Peripheral Kynurenine Pathway and Psychosomatic Comorbidity in Subjects with Morbid Obesity Undergoing Bariatric Surgery

K. Hestad, P. Farup, 2022, Applied Sciences.

Journal Pre-proof Changes in circulating Sirtuin 1 after bariatric surgery

H. Rootwelt, J. Aaseth, T. Opstad, 2022 .

Author ' s response to reviews Title : IgG and IgG 4 antibodies in subjects with irritable bowel syndrome : a case control study in the general population

S. Lydersen, L. Öhman, P. Farup, 2012 .

Do changes in persistent organic pollutants after bariatric surgery cause endocrine disruption?

S. Lydersen, J. Lyche, J. Berg, 2022, Chemosphere.

Compliance with anti‐ulcer medication during short‐term healing phase clinical trials

P. Farup, 1992, Alimentary pharmacology & therapeutics.

Duodenal ulcer treated with omeprazole: healing and relapse rates. Does treatment duration influence subsequent remission?

T. Bernklev, P. Farup, A. Rosseland, 1989, Scandinavian journal of gastroenterology.

Low-dose antacids or cimetidine for duodenal ulcer?

E. Aubert, P. Farup, O. Lange, 1988, Gastroenterology.

The value of a general therapeutic approach in subjects with irritable bowel syndrome

P. Farup, P. Vandvik, K. W. Monsbakken, 2005, Alimentary pharmacology & therapeutics.

Comorbidity of irritable bowel syndrome in general practice: a striking feature with clinical implications

C. Ihlebæk, P. Vandvik, P. Farup, 2004, Alimentary pharmacology & therapeutics.

Perceived food intolerance in subjects with irritable bowel syndrome – etiology, prevalence and consequences

P. Vandvik, P G Farup, K W Monsbakken, 2006, European Journal of Clinical Nutrition.

Lactose malabsorption in a population with irritable bowel syndrome: prevalence and symptoms. A case‐control study

P. Vandvik, P. Farup, K. W. Monsbakken, 2004, Scandinavian journal of gastroenterology.

Vitamin B6 deficiency and diseases in elderly people – a study in nursing homes

P. Farup, G. S. Fosnes, Solveig C Ligaarden, 2013, BMC Geriatrics.

Probiotics, Symptoms, and Gut Microbiota: What Are the Relations? A Randomized Controlled Trial in Subjects with Irritable Bowel Syndrome

K. Rudi, P. Farup, M. Jacobsen, 2012, Gastroenterology research and practice.

Are Faecal Microbiota Analyses on Species-Level Suitable Clinical Biomarkers? A Pilot Study in Subjects with Morbid Obesity

P. Farup, M. G. Maseng, 2021, Microorganisms.

Burnout in health-care professionals during reorganizations and downsizing. A cohort study in nurses

Per G Farup, M. Hall-Lord, Kirsten Nordang, 2010, BMC nursing.

Mesalazine suppositories versus hydrocortisone foam in patients with distal ulcerative colitis. A comparison of the efficacy and practicality of two topical treatment regimens.

Ø. Hovde, U. Brodin, N. Raknerud, 1995, Scandinavian journal of gastroenterology.

Mesalazine 4 g Daily Given as Prolonged-Release Granules Twice Daily and Four Times Daily Is at Least as Effective as Prolonged-Release Tablets Four Times Daily in Patients with Ulcerative Colitis

T. Hinterleitner, R. Meier, M. Campieri, 2001, Inflammatory bowel diseases.

Low-dose antacids versus 400 mg cimetidine twice daily for reflux oesophagitis. A comparative, placebo-controlled, multicentre study.

A. Berstad, P. Farup, O. Lange, 1990, Scandinavian journal of gastroenterology.

Irritable Bowel Syndrome

A. Sperber, M. Simrén, P. Farup, 2012, Gastroenterology research and practice.

How useful are the Rome II criteria for identification of upper gastrointestinal disorders in general practice?

L. Aabakken, P. Vandvik, P. Farup, 2005, Scandinavian journal of gastroenterology.

Drugs and Constipation in Elderly in Nursing Homes: What Is the Relation?

S. Lydersen, P. Farup, G. S. Fosnes, 2012, Gastroenterology research and practice.

The Relationships among Tryptophan, Kynurenine, Indoleamine 2,3-Dioxygenase, Depression, and Neuropsychological Performance

K. Engedal, K. Hestad, P. Farup, 2017, Front. Psychol..

The Kynurenine Pathway in Healthy Subjects and Subjects with Obesity, Depression and Chronic Obstructive Pulmonary Disease

K. Hestad, S. Ellefsen, P. Farup, 2023, Pharmaceuticals.

The multi-crossover model for classifying patients as responders to a given treatment.

O. Flaten, S. Larsen, M. Osnes, 1991, Scandinavian journal of gastroenterology.

The association between patient safety culture and burnout and sense of coherence: A cross-sectional study in restructured and not restructured intensive care units.

S. Lydersen, Bjoerg O Simonsen, P. Farup, 2016, Intensive & critical care nursing.

Changes in patient safety culture after restructuring of intensive care units: Two cross-sectional studies.

Per G Farup, Stian Lydersen, S. Lydersen, 2016, Intensive & critical care nursing.

The Culture of Incident Reporting and Feedback: A Cross-Sectional Study in a Hospital Setting

S. Lydersen, Bjoerg O Simonsen, P. Farup, 2015 .

Medication knowledge, certainty, and risk of errors in health care: a cross-sectional study

Bjoerg O Simonsen, Gro K Daehlin, I. Johansson, 2011, BMC health services research.

APOE Polymorphism and Endocrine Functions in Subjects with Morbid Obesity Undergoing Bariatric Surgery

H. Rootwelt, K. Hestad, J. Aaseth, 2022, Genes.

Disease knowledge after an educational program in patients with GERD – a randomized controlled trial

P. Farup, H. Petersen, Jorgen Urnes, 2008, BMC health services research.

Patient education in gastro-oesophageal reflux disease: a randomized controlled trial

S. Lydersen, P. Farup, H. Petersen, 2007, European journal of gastroenterology & hepatology.

Digestive symptoms and their psychosocial impact: Validation of a questionnaire

S. Lydersen, P. Farup, H. Petersen, 2006, Scandinavian journal of gastroenterology.

Localized telangiopathy of the stomach and duodenum diagnosed and treated endoscopically. Case reports and review.

K. Valnes, N. Stray, P. Farup, 1981, Endoscopy.

How does comorbidity affect cost of health care in patients with irritable bowel syndrome? A cohort study in general practice

P. Vandvik, A. Bracco, P. Farup, 2010, BMC gastroenterology.

Patients with depression display cytokine levels in serum and cerebrospinal fluid similar to patients with diffuse neurological symptoms without a defined diagnosis

K. Engedal, K. Hestad, T. Ueland, 2016, Neuropsychiatric disease and treatment.

Effects of a fall prevention program in elderly: a pragmatic observational study in two orthopedic departments

Stian Lydersen, S. Lydersen, B. Talseth-Palmer, 2019, Clinical interventions in aging.

Changes in C-reactive protein, neopterin and lactoferrin differ after conservative and surgical weight loss in individuals with morbid obesity

V. Videm, P. Farup, M. Aasbrenn, 2019, Scientific Reports.

A Conservative Weight Loss Intervention Relieves Bowel Symptoms in Morbidly Obese Subjects with Irritable Bowel Syndrome: A Prospective Cohort Study

S. Lydersen, P. Farup, M. Aasbrenn, 2018, Journal of obesity.

Evaluation of a faecal dysbiosis test for irritable bowel syndrome in subjects with and without obesity

P. Farup, J. Valeur, M. Aasbrenn, 2018, Scandinavian journal of clinical and laboratory investigation.

Cognitive Functions and Depression in Patients with Irritable Bowel Syndrome

K. Hestad, P. Farup, 2015, Gastroenterology research and practice.

Predictors of health-related quality of life in patients with irritable bowel syndrome. A cross-sectional study in Norway

V. Michalsen, P. Vandvik, P. Farup, 2015, Health and Quality of Life Outcomes.

Functional Dyspepsia and Gastric Acid: Any Relation?

P. Farup, 2002, Scandinavian journal of gastroenterology.

Faecal short-chain fatty acids - a diagnostic biomarker for irritable bowel syndrome?

K. Rudi, K. Hestad, P. Farup, 2016, BMC Gastroenterology.

Ranitidine for non-ulcer dyspepsia. A clinical study of the symptomatic effect of ranitidine and a classification and characterization of the responders to treatment.

S. Larsen, M. Osnes, P. Farup, 1991, Scandinavian journal of gastroenterology.

Long-term treatment with 300 mg ranitidine once daily after dilatation of peptic oesophageal strictures.

P. Farup, J. Tholfsen, B. Modalsli, 1992, Scandinavian journal of gastroenterology.

Diet in subjects with irritable bowel syndrome: A cross-sectional study in the general population

S. Lydersen, P. Farup, Solveig C Ligaarden, 2012, BMC Gastroenterology.

Improvement of drug dose calculations by classroom teaching or e-learning: a randomised controlled trial in nurses

Inger Johansson, Per G Farup, Bjoerg O Simonsen, 2014, BMJ Open.

Separating “good” from “bad” faecal dysbiosis – evidence from two cross-sectional studies

P. Farup, J. Valeur, M. Aasbrenn, 2018, BMC Obesity.

Intake of non-nutritive sweeteners is associated with an unhealthy lifestyle: a cross-sectional study in subjects with morbid obesity

P. Farup, M. Aasbrenn, R. Winther, 2017, BMC Obesity.

Managing the uninvestigated dyspeptic patient.

P. Farup, 1999, Scandinavian journal of gastroenterology.

European Obesity Summit (EOS) – Joint Congress of EASO and IFSO-EC, Gothenburg, Sweden, June 1 – 4, 2016: Abstracts

Parashu Ram Pal, S. A. Todd, Jimmy D Bell, 2016, Obesity Facts.

Abdominal complaints in general practice Diagnoses and characteristics of patients

L. Aabakken, P. Vandvik, P. Farup, 2004, Scandinavian journal of primary health care.

Abdominal complaints in general practice: Diagnoses and characteristics of patients

P. Vandvik, P. Farup, 2004 .

What causes treatment failure - the patient, primary care, secondary care or inadequate interaction in the health services?

G. Johnsen, P. Farup, H. Petersen, 2011, BMC health services research.

Anti-Saccharomyces cerevisiae antibodies ( ASCA ) are associated with body fat mass and systemic inflammation , but not with dietary yeast consumption : a cross-sectional study

P. Farup, M. Aasbrenn, A. Kvehaugen, 2017 .

The effect of ApoE e4 on blood pressure in patients with and without depression

Knut A Hestad, Knut Engedal, Jon Elling Whist, 2016, Neuropsychiatric disease and treatment.

Effectiveness of laxatives in elderly - a cross sectional study in nursing homes

S. Lydersen, P. Farup, G. S. Fosnes, 2011, BMC geriatrics.

Questions about mesalazine and the irritable bowel syndrome

P. Farup, Per G. Farup, 2011, Alimentary pharmacology & therapeutics.

Is perceived intolerance to milk and wheat associated with the corresponding IgG and IgA food antibodies? A cross sectional study in subjects with morbid obesity and gastrointestinal symptoms

P. Farup, A. Kvehaugen, D. Tveiten, 2018, BMC Gastroenterology.

Changes in circulating sirtuin 1 after bariatric surgery.

H. Rootwelt, J. Aaseth, T. Opstad, 2022, NMCD. Nutrition Metabolism and Cardiovascular Diseases.

Are measurements of patient safety culture and adverse events valid and reliable? Results from a cross sectional study

P. Farup, 2015, BMC Health Services Research.

In response to Montes and Monge

P. Vandvik, P. Farup, K. W. Monsbakken, 2004 .

Cognitive Functions and Depression in Patients with Irritable Bowel Syndrome

K. Hestad, P. Farup, 2015, Gastroenterology research and practice.

effects of a fall prevention program in elderly: a pragmatic observational study in two orthopedic departments

S. Lydersen, B. Talseth-Palmer, P. Farup, 2019 .