Peter Bytzer

Peter Bytzer

Deputy head of department, Professor, emeritus, Professor Emeritus

Member of:

  • Internal Medicine: Gastroenterology and Hepatology


  1. 2023
  2. Published

    The incidence of laboratory-confirmed cases of enteric pathogens in Denmark 2018: a national observational study

    Svendsen, A. T., Nielsen, H. L., Bytzer, Peter, Coia, J. E., Engberg, J., Holt, H. M., Lemming, L., Lomborg, S., Marmolin, E. S., Olesen, B. S., Andersen, L. P., Ethelberg, Steen & Engsbro, A. L., 2023, In: Infectious Diseases. 55, 2, 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    Use of prokinetic agents in hospitalised adult patients: a scoping review

    Crone, V., Møller, Morten Hylander, Bækgaard, E. S., Perner, Anders, Bytzer, Peter, Alhazzani, W. & Krag, M., 2023, In: Acta Anaesthesiologica Scandinavica. 67, 5, p. 588-598

    Research output: Contribution to journalReviewResearchpeer-review

  4. 2022
  5. Published

    Empirical Second-Line Therapy in 5000 Patients of the European Registry on Helicobacter pylori Management (Hp-EuReg)

    Nyssen, O. P., Vaira, D., Pérez Aísa, Á., Rodrigo, L., Castro-Fernandez, M., Jonaitis, L., Tepes, B., Vologzhanina, L., Caldas, M., Lanas, A., Lucendo, A. J., Bujanda, L., Ortuño, J., Barrio, J., Huguet, J. M., Voynovan, I., Lasala, J. P., Sarsenbaeva, A. S., Fernandez-Salazar, L., Molina-Infante, J. & 31 others, Jurecic, N. B., Areia, M., Gasbarrini, A., Kupčinskas, J., Bordin, D., Marcos-Pinto, R., Lerang, F., Leja, M., Buzas, G. M., Niv, Y., Rokkas, T., Phull, P., Smith, S., Shvets, O., Venerito, M., Milivojevic, V., Simsek, I., Lamy, V., Bytzer, Peter, Boyanova, L., Kunovský, L., Beglinger, C., Doulberis, M., Marlicz, W., Goldis, A., Tonkić, A., Capelle, L., Puig, I., Megraud, F., Morain, C. O. & European Registry on Helicobacter pylori Management Hp-EuReg Investigators, E. R. O. H. P. M. H. I., 2022, In: Clinical Gastroenterology and Hepatology. 20, 10, p. 2243-2257 15 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. 2021
  7. Published

    A positive diagnostic strategy is safe and saves endoscopies in patients with irritable bowel syndrome: A five-year follow-up of a randomized controlled trial

    Engsbro, A. L., Begtrup, Luise Mølenberg, Haastrup, P., Storsveen, M. M., Bytzer, Peter, Kjeldsen, J., Schaffalitzky De Muckadell, O. & Jarbøl, D. E., 2021, In: Neurogastroenterology and Motility. 33, 3, e14004.

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    European Registry on Helicobacter pylori management (Hp-EuReg): Patterns and trends in first-line empirical eradication prescription and outcomes of 5 years and 21 533 patients

    Nyssen, O. P., Bordin, D., Tepes, B., Pérez-Aisa, Á., Vaira, D., Caldas, M., Bujanda, L., Castro-Fernandez, M., Lerang, F., Leja, M., Rodrigo, L., Rokkas, T., Kupcinskas, L., Pérez-Lasala, J., Jonaitis, L., Shvets, O., Gasbarrini, A., Simsek, H., Axon, A. T. R., Buzás, G. & 27 others, Machado, J. C., Niv, Y., Boyanova, L., Goldis, A., Lamy, V., Tonkic, A., Przytulski, K., Beglinger, C., Venerito, M., Bytzer, Peter, Capelle, L., Milosavljević, T., Milivojevic, V., Veijola, L., Molina-Infante, J., Vologzhanina, L., Fadeenko, G., Ariño, I., Fiorini, G., Garre, A., Garrido, J., F Pérez, C., Puig, I., Heluwaert, F., Megraud, F., O'Morain, C. & Gisbert, J. P., 2021, In: Gut. 70, 1, p. 40-54 15 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    Expansion and persistence of antibiotic-specific resistance genes following antibiotic treatment

    Kang, K., Imamovic, L., Misiakou, M. A., Bornakke Sørensen, M., Heshiki, Y., Ni, Y., Zheng, T., Li, J., Ellabaan, M. M. H., Colomer-Lluch, M., Rode, A. A., Bytzer, Peter, Panagiotou, G. & Sommer, M. O. A., 2021, In: Gut Microbes. 13, 1, p. 1-19 19 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Randomised clinical trial: a 12-strain bacterial mixture versus faecal microbiota transplantation versus vancomycin for recurrent Clostridioides difficile infections

    Rode, A. A., Chehri, M., Krogsgaard, L. R., Heno, K. K., Svendsen, A. T., Ribberholt, I., Helms, Morten, Engberg, J., Schønning, Kristian, Tvede, M., Andersen, C. Ø., Jensen, U. S., Petersen, Andreas Munk & Bytzer, Peter, 2021, In: Alimentary Pharmacology and Therapeutics. 53, 9, p. 999-1009

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. 2020
  12. Published

    Helicobacter pylori first-line and rescue treatments in patients allergic to penicillin: Experience from the European Registry on H pylori management (Hp-EuReg)

    Nyssen, O. P., Pérez-Aisa, Á., Tepes, B., Rodrigo-Sáez, L., Romero, P. M., Lucendo, A., Castro-Fernández, M., Phull, P., Barrio, J., Bujanda, L., Ortuño, J., Areia, M., Brglez Jurecic, N., Huguet, J. M., Alcaide, N., Voynovan, I., María Botargues Bote, J., Modolell, I., Pérez Lasala, J., Ariño, I. & 31 others, Jonaitis, L., Dominguez-Cajal, M., Buzas, G., Lerang, F., Perona, M., Bordin, D., Axon, T., Gasbarrini, A., Marcos Pinto, R., Niv, Y., Kupcinskas, L., Tonkic, A., Leja, M., Rokkas, T., Boyanova, L., Shvets, O., Venerito, M., Bytzer, Peter, Goldis, A., Simsek, I., Lamy, V., Przytulski, K., Kunovský, L., Capelle, L., Milosavljevic, T., Caldas, M., Garre, A., Mégraud, F., O'Morain, C., Gisbert, J. P. & the Hp-EuReg Investigators, T. H. I., 2020, In: Helicobacter. 25, 3, 11 p., e12686.

    Research output: Contribution to journalJournal articleResearchpeer-review

  13. 2019
  14. Published

    Systematic review with meta-analyses: does the pathogen matter in post-infectious irritable bowel syndrome?

    Svendsen, A. T., Bytzer, Peter & Engsbro, A. L., May 2019, In: Scandinavian Journal of Gastroenterology. 54, 5, p. 546-562 17 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  15. Published

    An altered composition of the microbiome in microscopic colitis is driven towards the composition in healthy controls by treatment with budesonide

    Rindom Krogsgaard, L., Munck, Lars Kristian, Bytzer, Peter & Wildt, S., Apr 2019, In: Scandinavian Journal of Gastroenterology. 54, 4, p. 446-452 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  16. Published

    Establishing a donor stool bank for faecal microbiota transplantation: methods and feasibility

    Rode, A. A., Bytzer, Peter, Pedersen, Ole Birger Vesterager & Engberg, J., 2019, In: European Journal of Clinical Microbiology and Infectious Diseases. 38, p. 1837-1847 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  17. Published

    Mining, analyzing, and integrating viral signals from metagenomic data

    Zheng, T., Li, J., Ni, Y., Kang, K., Misiakou, M. A., Imamovic, L., Chow, B. K. C., Rode, A. A., Bytzer, Peter, Sommer, M. & Panagiotou, G., 2019, In: Microbiome. 7, 15 p., 42.

    Research output: Contribution to journalJournal articleResearchpeer-review

  18. 2018
  19. Published

    Antibiotics: a risk factor for irritable bowel syndrome in a population-based cohort

    Krogsgaard, L. R., Engsbro, A. L. & Bytzer, Peter, 2018, In: Scandinavian Journal of Gastroenterology. 53, 9, p. 1027-1030

    Research output: Contribution to journalJournal articleResearchpeer-review

  20. Published

    Characteristics of the bacterial microbiome in association with common intestinal parasites in irritable bowel syndrome

    Krogsgaard, L. R., Andersen, L. O. B., Johannesen, T. B., Engsbro, A. L., Stensvold, C. R., Nielsen, H. V. & Bytzer, Peter, 2018, In: Clinical and Translational Gastroenterology. 9, 11 p., 161.

    Research output: Contribution to journalJournal articleResearchpeer-review

  21. Published

    Compliance with Guidelines on Thromboprophylaxis for Acutely Admitted Medical Patients

    Freund, N., Sabroe, J. E., Bytzer, Peter & Madsen, S. M., 2018, In: Advances in Therapy. 35, 11, p. 1873-1883 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  22. Published

    Deprescribing proton pump inhibitors: why, when and how

    Bytzer, Peter, 2018, In: Medical Journal of Australia. 209, 10, p. 436-438

    Research output: Contribution to journalEditorialResearchpeer-review

  23. 2017
  24. Published

    The epidemiology of irritable bowel syndrome: Symptom development over a 3-year period in Denmark. A prospective, population-based cohort study

    Krogsgaard, L. R., Engsbro, A. L., Jones, M. P. & Bytzer, Peter, Apr 2017, In: Neurogastroenterology and Motility. 29, 4, 9 p., e12986.

    Research output: Contribution to journalJournal articleResearchpeer-review

  25. Published

    Danish national guideline: Diagnosis and treatment of Irritable Bowel Syndrome

    Krarup, A. L., Engsbro, A. L. Ø., Fassov, J., Fynne, L., Christensen, A. B. & Bytzer, Peter, 2017, In: Danish Medical Journal. 64, 6, C5382.

    Research output: Contribution to journalJournal articleResearchpeer-review

  26. Published

    Editorial: refractory GERD-good drug, wrong patients? Authors' reply

    Coyle, C. & Bytzer, Peter, 2017, In: Alimentary Pharmacology and Therapeutics. 46, 2, p. 204-205

    Research output: Contribution to journalEditorialResearch

  27. Published

    Fækal mikrobiota-transplantation til behandling af tarmlidelser

    Rode, A. A., Chehri, M., Petersen, Andreas Munk & Bytzer, Peter, 2017, In: Ugeskrift for Læger. 179, 5 p., V03170218.

    Research output: Contribution to journalJournal articleResearchpeer-review

  28. Published

    Letter: bias in clinical trials of the symptomatic effects of the low FODMAP diet for irritable bowel syndrome-getting the facts right. Authors' reply

    Krogsgaard, L. R., Lyngesen, M. & Bytzer, Peter, 2017, In: Alimentary Pharmacology and Therapeutics. 46, 3, p. 386-387

    Research output: Contribution to journalComment/debateResearch

  29. Published

    Persistent severe hypomagnesemia caused by proton pump inhibitor resolved after laparoscopic fundoplication

    Semb, S., Helgstrand, Frederik, Hjørne, F. & Bytzer, Peter, 2017, In: World Journal of Gastroenterology. 23, 37, p. 6907-6910

    Research output: Contribution to journalJournal articleResearchpeer-review

  30. Published

    Psychometric evaluation of a daily gastro-oesophageal reflux disease symptom measure

    Bytzer, Peter, Reimer, C., Smith, G., Anatchkova, M. D., Hsieh, R., Wilkinson, J., Thomas, S. J. & Lenderking, W. R., 2017, In: Scandinavian Journal of Gastroenterology. 52, 3, p. 276-283 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  31. Published

    Randomised clinical trial: addition of alginate-antacid (Gaviscon Double Action) to proton pump inhibitor therapy in patients with breakthrough symptoms

    Coyle, C., Crawford, G., Wilkinson, J., Thomas, S. J. & Bytzer, Peter, 2017, In: Alimentary Pharmacology and Therapeutics. 45, 12, p. 1524-1533

    Research output: Contribution to journalJournal articleResearchpeer-review

  32. Published

    Systematic review: quality of trials on the symptomatic effects of the low FODMAP diet for irritable bowel syndrome

    Krogsgaard, L. R., Lyngesen, M. & Bytzer, Peter, 2017, In: Alimentary Pharmacology and Therapeutics. 45, 12, p. 1506-1513

    Research output: Contribution to journalReviewResearchpeer-review

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