Pontus Karling

Chief Physician in Medical Gastroenterology. Conducts patient-close research in the area of functional bowel disease and inflammatory bowel disease where biobank studies are also conducted.

Research qualifications: Docent

Educational qualifications: Recognised university teacher

Contact

pontus.karling@umu.se

+46 90 786 50 41

Works as

Associate professor, senior consultant (attending) physician at Department of Public Health and Clinical Medicine Section: Gastroenterology

Byggnad 1A, plan 4, målpunkt B41, Norrlands universitetssjukhus Umeå universitet, 901 85 Umeå

Long-term symptoms in children after a Cryptosporidium hominis outbreak in Sweden: a 10-year follow-up

Parasitology Research, Springer Nature 2025, Vol. 124, (1)

Boks, Marije; Lilja, Mikael; Lindam, Anna; et al.

Preclinical protein signatures of crohn's disease and ulcerative colitis: a nested case-control study within large population-based cohorts

Gastroenterology, Elsevier 2025, Vol. 168, (4) : 741-753

Grännö, Olle; Bergemalm, Daniel; Salomon, Benita; et al.

Spondyloarthritis features in IBD patients: prevalence, referral trends and clinical implications: A questionnaire-based study

Scandinavian Journal of Gastroenterology, Taylor & Francis 2025, Vol. 60, (7) : 686-697

Pettersson, Nina; Kragbjerg, Fredrik; Hamrin, Arvid; et al.

Prescription of commonly used drugs in patients with functional bowel disorders: a cross-sectional comparison with the general population

Scandinavian Journal of Gastroenterology, Taylor & Francis 2025, Vol. 60, (3) : 253-261

Sandberg-Janzon, Alice; Karling, Pontus

Prescription of NSAIDs and proton pump inhibitors are associated with increased faecal calprotectin levels in patients with functional bowel disorder: an observational study

Scandinavian Journal of Gastroenterology, Taylor & Francis Group 2025, Vol. 60, (7) : 635-642

Sandberg-Janzon, Alice; Karling, Pontus

Drug survival of drugs recommended for irritable bowel syndrome: a retrospective observational study

Neurogastroenterology and Motility, John Wiley & Sons 2025, Vol. 37, (10)

Sandberg-Janzon, Alice; Karling, Pontus

The association between drugs and repeated treatment with budesonide in patients with microscopic colitis: a retrospective observational study

Therapeutic Advances in Gastroenterology, Sage Publications 2024, Vol. 17, (January-December)

Bjurström, Oliver; Karling, Pontus

What happens to patients with inflammatory bowel disease who are intolerant to thiopurines?

Inflammatory Intestinal Diseases, S. Karger 2024, Vol. 9, (1) : 135-146

Gensmyr-Singer, Helena; Karling, Pontus

The drug-survival of low-dose thioguanine in patients with inflammatory bowel disease: a retrospective observational study

Therapeutic Advances in Gastroenterology, Sage Publications 2024, Vol. 17

Gensmyr-Singer, Helena; Werner, Mårten; Karling, Pontus

Prescribed cumulative dosage of corticosteroids to patients with inflammatory bowel disease diagnosed between 2006 and 2020: a retrospective observational study

Therapeutic Advances in Gastroenterology, Sage Publications 2024, Vol. 17

Iiristo, Johannes; Karling, Pontus

Dietary index based on the Food Standards Agency nutrient profiling system and risk of Crohn's disease and ulcerative colitis

Alimentary Pharmacology and Therapeutics, John Wiley & Sons 2024, Vol. 59, (4) : 558-568

Meyer, Antoine; Dong, Catherine; Chan, Simon S. M.; et al.

Significance of serological atrophic gastritis on proton pump inhibitor prescriptions and referrals to gastroscopy in the general population

JGH Open, John Wiley & Sons 2024, Vol. 8, (9)

Persson, Tor; Söderberg, Stefan; Song, Minkyo; et al.

Anti-Saccharomyces Cerevisiae antibodies are only modestly more common in subjects later developing Crohn's disease

Digestive Diseases and Sciences, Springer 2023, Vol. 68 : 608-615

Bodecker-Zingmark, L.; Widbom, Lovisa; Hultdin, Johan; et al.

Persisting symptoms after Cryptosporidium hominis outbreak: a 10-year follow-up from Östersund, Sweden

Parasitology Research, Springer Nature 2023, Vol. 122, (7) : 1631-1639

Boks, Marije; Lilja, Mikael; Widerström, Micael; et al.

What is the significance of the Hill classification?

Diseases of the esophagus, Oxford University Press 2023, Vol. 36, (9)

Brännström, Lisa; Werner, Mårten; Wallner, Bengt; et al.

The risk of serious infections before and after anti-tnf therapy in inflammatory bowel disease: a retrospective cohort study

Inflammatory Bowel Diseases, Oxford University Press 2023, Vol. 29, (3) : 339-348

Holmgren, Johanna; Fröborg, Anna; Visuri, Isabella; et al.

Improved survival in at-risk patients undergoing surveillance for hepatocellular carcinoma: a nationwide Swedish register-based study

Journal of Hepatocellular Carcinoma, Dove Medical Press 2023, Vol. 10 : 1573-1586

Thörn, Richard; Hemmingsson, Oskar; Danielsson Borssén, Åsa; et al.

Impact of treatment with immunomodulators and tumour necrosis factor antagonists on the incidence of infectious events in patients with inflammatory bowel disease

Upsala Journal of Medical Sciences, Upsala Medical Society 2022, Vol. 127

Andersson, Per; Karling, Pontus

Pre-diagnostic faecal calprotectin levels in patients with colorectal cancer: a retrospective study

BMC Cancer, BioMed Central 2022, Vol. 22, (1)

Blad, Nathalie; Palmqvist, Richard; Karling, Pontus

Increased incidence of late-onset inflammatory bowel disease and microscopic colitis after a Cryptosporidium hominis outbreak

Scandinavian Journal of Gastroenterology, Taylor & Francis Group 2022, Vol. 57, (12) : 1443-1449

Boks, Marije; Lilja, Mikael; Widerström, Micael; et al.

A more frequent disease monitorering but no increased disease activity in patients with inflammatory bowel disease during the first year of the SARS-CoV-2 pandemic: A retrospective study

Scandinavian Journal of Gastroenterology, Taylor & Francis Group 2022, Vol. 57, (2) : 169-174

Lindhagen, Sara; Karling, Pontus

Survival after first diagnosis of oesophageal or gastric varices in a single centre in northern Sweden: a retrospective study

Clinical and Experimental Hepatology, Vol. 8, (2) : 103-110

Thörn, Richard; Christensen, Evelina; Wixner, Jonas; et al.

Systemic Inflammation in Preclinical Ulcerative Colitis

Gastroenterology, AGA Institute 2021, Vol. 161, (5) : 1526-1539.e9

Bergemalm, Daniel; Andersson, Erik; Hultdin, Johan; et al.

Elevated Faecal Calprotectin in Patients with a Normal Colonoscopy: Does It Matter in Clinical Practice? A Retrospective Observational Study

Inflammatory Intestinal Diseases, S. Karger 2021, Vol. 6 : 101-108

Hovstadius, Henrik; Lundgren, David; Karling, Pontus

Samtalet mellan patient och läkare

Kliniska färdigheter: mötet mellan patient och läkare, Lund: Studentlitteratur AB 2021 : 29-33

Karling, Pontus; Semb, Olof

Det svårare samtalet

Kliniska färdigheter: mötet mellan patient och läkare, Lund: Studentlitteratur AB 2021 : 39-44

Karling, Pontus; Semb, Olof

Long-term postoperative opioid prescription after cholecystectomy or gastric by-pass surgery: a retrospective observational study

Scandinavian Journal of Pain, Walter de Gruyter 2021, Vol. 21, (3) : 569-576

Larsson, Viktoria; Nordenson, Cecilia; Karling, Pontus

Preclinical Markers in Inflammatory Bowel Disease. A Nested Case-Control Study

Crohn's and Colitis 360, Oxford University Press 2021, Vol. 3, (4)

Lundgren, David; Widbom, Lovisa; Hultdin, Johan; et al.

Predictors of drug survival: a cohort study comparing anti-tumour necrosis factor agents using the Swedish inflammatory bowel disease quality register

Alimentary Pharmacology and Therapeutics, John Wiley & Sons 2021, Vol. 54, (7) : 931-943

Visuri, Isabella; Eriksson, Carl; Olen, Ola; et al.

Self-monitoring with home based fecal calprotectin is associated with increased medical treatment: A randomized controlled trial on patients with inflammatory bowel disease

Scandinavian Journal of Gastroenterology, Taylor & Francis 2021, Vol. 56, (1) : 38-45

Östlund, Isak; Werner, Mårten; Karling, Pontus

Infectious events in patients with inflammatory bowel disease: The impact of immunomodulators and tumour necrosis factor antagonist therapy

Journal of Crohn's & Colitis, Oxford University Press 2020, Vol. 14 : S338-S339

Andersson, P.; Karling, Pontus

Patient-reported and doctor-reported symptoms when faecal immunochemical tests are requested in primary care in the diagnosis of colorectal cancer and inflammatory bowel disease: a prospective study

BMC Family Practice, BioMed Central 2020, Vol. 21, (1)

Högberg, Cecilia; Karling, Pontus; Rutegård, Jörgen; et al.

The impact of latent cytomegalovirus infection on the disease behaviour in patients with ulcerative colitis

Journal of Crohn's & Colitis, Oxford University Press 2020, Vol. 14 : S408-S409

Långvall, P.; Shi, C.; Karling, Pontus

Irritable bowel syndrome-like symptoms in treated microscopic colitis patients compared with controls: a cross-sectional study

Gastroenterology Report, Oxford University Press 2020, Vol. 8, (5) : 374-380

Pagoldh, Jenny; Lundgren, David; Suhr, Ole B.; et al.

The prevalence of chronic musculoskeletal pain in patients with ulcerative colitis in comparison to control subjects: A cross-sectional study

Journal of Crohn's & Colitis, Oxford University Press 2020, Vol. 14 : S577-S577

Pettersson, N.; Kragsbjerg, E.; Hamrin, A.; et al.

The prevalence of chronic musculoskeletal pain in patients with ulcerative colitis in comparison to controls from the general population: a cross-sectional study

Annals of the Rheumatic Diseases, BMJ Publishing Group Ltd 2020, Vol. 79 : 474-474

Pettersson, N.; Kragsbjerg, F.; Hamrin, A.; et al.

Increased chronic pain in patients with ulcerative colitis is mostly associated to increased disease activity: a cross-sectional case-control study

Scandinavian Journal of Gastroenterology, Taylor & Francis 2020, Vol. 55, (10) : 1193-1199

Pettersson, Nina; Kragsbjerg, Fredrik; Hamrin, Arvid; et al.

Var femte rektalcancer missas efter rektoskopi i primärvården

Läkartidningen, Sveriges läkarförbund 2020, Vol. 117

Wadman, Marianne; Werner, Mårten; Lundgren, David; et al.

Patients developing inflammatory bowel disease have iron deficiency and lower plasma ferritin years before diagnosis: a nested case-control study

European Journal of Gastroenterology and Hepathology, Lippincott Williams & Wilkins 2020, Vol. 32, (9) : 1147-1153

Widbom, Lovisa; Ekblom, Kim; Karling, Pontus; et al.

Daily consumers of drip-filtered coffee have a decreased risk of developing late-onset Crohn's disease

Journal of Crohn's & Colitis, Oxford University Press 2020, Vol. 14 : S447-S447

Widbom, Lovisa; Hultdin, Johan; Ekblom, K.; et al.

Elevated plasma cotinine is associated with an increased risk of developing IBD, especially among users of combusted tobacco

PLOS ONE, Public Library of Science (PLOS) 2020, Vol. 15, (7)

Widbom, Lovisa; Schneede, Jørn; Midttun, Øivind; et al.

The Combined Value of Faecal Haemoglobin andCalprotectin in Diagnosis of Colorectal Cancer inSymptomatic Patients Referred to Colonoscopy

Academic Journal of Gastroenterology & Hepatology (AJGH), San Fransisco: Iris Publishers 2019, Vol. 1, (3) : 1-7

Eklöf, Vincy; Lundgren, David; Karling, Pontus; et al.

Improved monitoring of inflammatory activity in patients with ulcerative colitis by combination of faecal tests for haemoglobin and calprotectin

Scandinavian Journal of Clinical and Laboratory Investigation, Taylor & Francis 2019, Vol. 79, (5) : 341-346

Karling, Pontus; Lundgren, David; Eklöf, Vincy; et al.

Swedish Inflammatory Bowel Disease Register (SWIBREG): a nationwide quality register

Scandinavian Journal of Gastroenterology, Taylor & Francis 2019, Vol. 54, (9) : 1089-1101

Ludvigsson, Jonas F.; Andersson, Marie; Bengtsson, Jonas; et al.

Proton pump inhibitor use is associated with elevated faecal calprotectin levels. A cross-sectional study on subjects referred for colonoscopy

Scandinavian Journal of Gastroenterology, Taylor & Francis 2019, Vol. 54, (2) : 152-157

Lundgren, David; Eklöf, Vincy; Palmqvist, Richard; et al.

Self-reported gastrointestinal symptoms are more common in liver transplanted transthyretin amyloidosis patients than in healthy controls and in patients transplanted for end-stage liver disease

Amyloid: Journal of Protein Folding Disorders, Taylor & Francis 2019, Vol. 26 : 47-48

Marberg, Therese; Karling, Pontus; Söderberg, Karin; et al.

Anti-TNF agent drug survival in patients with IBD: real-world comparisons of individual anti-TNF agents based on the Swedish National Quality Registry for IBD (SWIBREG)

Journal of Crohn's & Colitis, OXFORD UNIV PRESS 2019, Vol. 13 : S443-S444

Visuri, I.; Eriksson, C.; Mardberg, E.; et al.

Higher plasma cotinine is associated with an increased risk for later developing IBD, especially among users of combusted tobacco

Journal of Crohn's & Colitis, OXFORD UNIV PRESS 2019, Vol. 13 : S508-S508

Widbom, L.; Schneede, Jørn; Karling, Pontus; et al.

Fibre intake and the development of inflammatory bowel disease: A European prospective multi-centre cohort study (EPIC-IBD)

Journal of Crohn's & Colitis, OXFORD UNIV PRESS 2018, Vol. 12, (2) : 129-136

Andersen, Vibeke; Chan, Simon; Luben, Robert; et al.

Female-Specific Association Between Variants on Chromosome 9 and Self-Reported Diagnosis of Irritable Bowel Syndrome

Gastroenterology, Elsevier 2018, Vol. 155, (1) : 168-179

Bonfiglio, Ferdinando; Zheng, Tenghao; Garcia-Etxebarria, Koldo; et al.

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Research groups

Group member

Gastroenterology and hepatology