Ole Haagen Nielsen

Ole Haagen Nielsen

Clinical Professor

Member of:

  • Internal Medicine: Gastroenterology and Hepatology

ORCID: 0000-0003-4612-8635

Publication year:
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1 - 50 out of 352Page size: 50
  1. 1981
  2. Published

    Svedelektrolytundersøgelse med pilokarpin-iontoforesemetoden

    Nielsen, Ole Haagen & Flensborg, E. W., 31 Aug 1981, In: Ugeskrift for Laeger. 143, 36, p. 2302-6 5 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  3. 1982

  4. Cystic fibrosis in Denmark in the period 1945‐1981: Evaluation of centralized treatment

    Nielsen, Ole Haagen & Oluf Schiøtz, P., 1982, In: Acta Paediatrica Scandinavica. p. 107-119

    Research output: Contribution to journal › Journal article › Research › peer-review

  5. The incidence of anemia, hypoproteinemia, and edema in infants as presenting symptoms of cystic fibrosis: a retrospective survey of the frequency of this symptom complex in 130 patients with cystic fibrosis

    Nielsen, Ole Haagen & Larsen, B. F., 1982, In: Journal of Pediatric Gastroenterology and Nutrition. 1, 3, p. 355-9 5 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  6. Published

    Adrenogenital syndrome and cystic fibrosis

    Nielsen, Ole Haagen & Haahr, J., Mar 1982, In: Acta Paediatrica Scandinavica. 71, 2, p. 339-41 3 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  7. Sulfasalazine intolerance. A retrospective survey of the reasons for discontinuing treatment with sulfasalazine in patients with chronic inflammatory bowel disease

    Nielsen, Ole Haagen, Apr 1982, In: Scandinavian Journal of Gastroenterology. 17, 3, p. 389-93 5 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  8. 1983

  9. Pediatric tube system for collection of uncontaminated jejunal juice

    Nielsen, Ole Haagen, Hjelt, K., Krasilnikoff, P. A., Justesen, T. & Rasmussen, S. N., 1983, In: Journal of Pediatric Gastroenterology and Nutrition. 2, 3, p. 483-6 4 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  10. Serum antibodies to Bacteroides species in chronic inflammatory bowel disease

    Tvede, M., Bondesen, S., Nielsen, Ole Haagen & Rasmussen, S. N., 1983, In: Scandinavian Journal of Gastroenterology. 18, 6, p. 783-9 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  11. Comparison of an Open and a Closed Tube System for Collection of Jejunal Juice

    Rasmussen, S. N., Nielsen, Ole Haagen, Justesen, T., Jacobsen, I. E., Lave, J. & Magid, E., 1 May 1983, In: Scandinavian Journal of Gastroenterology. 18, 3, p. 353-357

    Research output: Contribution to journal › Journal article › Research › peer-review

  12. Tube for Sampling of Uncontaminated Small-Bowel Juice

    Rasmussen, S. N., Nielsen, Ole Haagen, Jacobsen, I. E., Lave, J. & Justesen, T., 1 May 1983, In: Scandinavian Journal of Gastroenterology. 18, 3, p. 359-363

    Research output: Contribution to journal › Journal article › Research › peer-review

  13. Published

    Pregnancy in ulcerative colitis

    Nielsen, Ole Haagen, Andreasson, B., Bondesen, S. & Jarnum, S., Sep 1983, In: Scandinavian Journal of Gastroenterology. 18, 6, p. 735-42 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  14. Kinetics of 5-aminosalicylic acid after jejunal instillation in man

    Nielsen, Ole Haagen & Bondesen, S., Dec 1983, In: British Journal of Clinical Pharmacology. Supplement. 16, 6, p. 738-40 3 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  15. 1984

  16. 5-Aminosalicylic acid enemas in patients with active ulcerative colitis. Influence of acidity on the kinetic pattern

    Bondesen, S., Nielsen, Ole Haagen, Jacobsen, O., Rasmussen, S. N., Hansen, S. H., Halskov, S., Binder, V. & Hvidberg, E. F., 1984, In: Scandinavian Journal of Gastroenterology. 19, 5, p. 677-82 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  17. Calcium absorption and acceptance of low-lactose milk among children with primary lactase deficiency

    Nielsen, Ole Haagen, Schiøtz, P. O., Rasmussen, S. N. & Krasilnikoff, P. A., 1984, In: Journal of Pediatric Gastroenterology and Nutrition. 3, 2, p. 219-23 5 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  18. The normal cultivable microflora in upper jejunal fluid in healthy adults

    Justesen, T., Nielsen, Ole Haagen, Jacobsen, I. E., Lave, J. & Rasmussen, S. N., 1984, In: Scandinavian Journal of Gastroenterology. 19, 2, p. 279-82 4 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  19. Published

    Kronisk inflammatorisk tarmsygdom i relation til graviditet

    Andreasson, B., Nielsen, Ole Haagen, Bondesen, S., Jacobsen, O. & Jarnum, S., 4 Jun 1984, In: Ugeskrift for Laeger. 146, 23, p. 1708-10 3 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  20. Published

    Pregnancy in Crohn's disease

    Nielsen, Ole Haagen, Andreasson, B., Bondesen, S., Jacobsen, O. & Jarnum, S., Sep 1984, In: Scandinavian Journal of Gastroenterology. 19, 6, p. 724-32 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  21. Published

    Normal cultivable microflora in upper jejunal fluid in children without gastrointestinal disorders

    Justesen, Torkild, Nielsen, Ole Haagen, Hjelt, K. & Krasilnikoff, P. A., Nov 1984, In: Journal of Pediatric Gastroenterology and Nutrition. 3, 5, p. 683-6 4 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  22. 1985

  23. 5-amino-salicylsyre. Oversigt over en "ny" behandling af kronisk inflammatorisk tarmsygdom

    Rasmussen, S. N., Bondesen, S., Nielsen, Ole Haagen, Binder, V., Hansen, S. H. & Hvidberg, E., 1985, In: Ugeskrift for Laeger. 147, 36, p. 2811-5 5 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  24. Demonstration of circulating immune complexes by the indirect leucocyte phagocytosis test in chronic inflammatory bowel disease. Relation to results of a standard complement consumption assay

    Elmgreen, J., Wiik, A., Nielsen, Henrik & Nielsen, Ole Haagen, 1985, In: Acta Medica Scandinavica. 218, 1, p. 73-78 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  25. Non-tropical sprue. Malignant diseases and mortality rate

    Nielsen, Ole Haagen, Jacobsen, O., Pedersen, E. R., Rasmussen, S. N., Petri, M., Laulund, S. & Jarnum, S., 1985, In: Scandinavian Journal of Gastroenterology. 20, 1, p. 13-18 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  26. Published

    Pregnancy in crohn’s disease

    Nielsen, Ole Haagen, Andreasson, B., Bondesen, S., Jacobsen, O. & Jarnum, S., 1985, In: Obstetrical and Gynecological Survey.

    Research output: Contribution to journal › Journal article › Research › peer-review

  27. Published

    Abdominal pain caused by Enterobius vermicularis: A case report

    Nielsen, Ole Haagen & Krasilnikoff, P. A., 1 Jan 1985, In: Current Therapeutic Research - Clinical and Experimental. 37, 4, p. 779-783 5 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  28. Published

    Rotavirus antibodies in the mother and her breast-fed infant

    Hjelt, K., Grauballe, P. C., Nielsen, Ole Haagen, Schiøtz, P. O. & Krasilnikoff, P. A., Jun 1985, In: Journal of Pediatric Gastroenterology and Nutrition. 4, 3, p. 414-20 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  29. 1986
  30. Published

    Arachidonic acid metabolism in human neutrophils: lack of effect of cyclosporine A

    Nielsen, Ole Haagen, Bukhave, K., Ahnfelt-Rønne, I. & Elmgreen, J., 1986, In: International Journal of Immunopharmacology. 8, 4, p. 419-26 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  31. Steady-state kinetics of 5-aminosalicylic acid and sulfapyridine during sulfasalazine prophylaxis in ulcerative colitis

    Bondesen, S., Nielsen, Ole Haagen, Schou, J. B., Jensen, P. H., Lassen, L. B., Binder, V., Krasilnikoff, P. A., Danø, P., Hansen, S. H. & Rasmussen, S. N., 1986, In: Scandinavian Journal of Gastroenterology. 21, 6, p. 693-700 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  32. Published

    Release of leukotriene B4 and 5-hydroxyeicosatetraenoic acid during phagocytosis of artificial immune complexes by peripheral neutrophils in chronic inflammatory bowel disease

    Nielsen, Ole Haagen, Elmgreen, J., Thomsen, B. S., Ahnfelt-Rønne, I. & Wiik, A., Aug 1986, In: Clinical and Experimental Immunology. 65, 2, p. 465-71 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  33. Published

    Gastric emptying rate and small bowel transit time in patients with irritable bowel syndrome determined with 99mTc-labeled pellets and scintigraphy

    Nielsen, Ole Haagen, Gjørup, T. & Christensen, F. N., Dec 1986, In: Digestive Diseases and Sciences. 31, 12, p. 1287-91 5 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  34. 1987

  35. 5-Aminosalicylic acid in the treatment of Crohn's disease. A 16-week double-blind, placebo-controlled, multicentre study with Pentasa

    Rasmussen, S. N., Lauritsen, K., Tage-Jensen, U., Nielsen, Ole Haagen, Bytzer, Peter, Jacobsen, O., Ladefoged, K., Vilien, M., Binder, V. & Rask-Madsen, J., 1987, In: Scandinavian Journal of Gastroenterology. 22, 7, p. 877-83 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  36. 5-Aminosalicylic acid in the treatment of inflammatory bowel disease

    Bondesen, S., Rasmussen, S. N., Rask-Madsen, J., Nielsen, Ole Haagen, Lauritsen, K., Binder, V., Hansen, S. H. & Hvidberg, E. F., 1987, In: Acta Medica Scandinavica. 221, 3, p. 227-42 16 p.

    Research output: Contribution to journal › Review › Research › peer-review

  37. Published

    Sulfasalazine and its anti-inflammatory metabolite, 5-aminosalicylic acid: effect on arachidonic acid metabolism in human neutrophils, and free radical scavenging

    Ahnfelt-Rønne, I., Nielsen, Ole Haagen, Bukhave, K. & Elmgreen, J., 1987, In: Advances in prostaglandin, thromboxane, and leukotriene research. 17B, p. 918-22 5 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  38. Published

    Protective effect of preexisting rotavirus-specific immunoglobulin A against naturally acquired rotavirus infection in children

    Hjelt, K., Grauballe, P. C., Paerregaard, A., Nielsen, Ole Haagen & Krasilnikoff, P. A., Jan 1987, In: Journal of Medical Virology. 21, 1, p. 39-47 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  39. Published

    Reference values of sweat sodium obtained by pilocarpine iontophoresis

    Nielsen, Ole Haagen & Flensborg, E. W., 1 Jan 1987, In: Current Therapeutic Research - Clinical and Experimental. 41, 3, p. 367-373 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  40. Published

    Abnormal metabolism of arachidonic acid in chronic inflammatory bowel disease: enhanced release of leucotriene B4 from activated neutrophils

    Nielsen, Ole Haagen, Ahnfelt-Rønne, I. & Elmgreen, J., Feb 1987, In: Gut. 28, 2, p. 181-5 5 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  41. Published

    Inhibition of 5-lipoxygenase pathway of arachidonic acid metabolism in human neutrophils by sulfasalazine and 5-aminosalicylic acid

    Nielsen, Ole Haagen, Bukhave, K., Elmgreen, J. & Ahnfelt-Rønne, I., Jun 1987, In: Digestive Diseases and Sciences. 32, 6, p. 577-82 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  42. Published

    The antiinflammatory moiety of sulfasalazine, 5-aminosalicylic acid, is a radical scavenger

    Ahnfelt-Rønne, I. & Nielsen, Ole Haagen, Jun 1987, In: Agents and Actions. 21, 1-2, p. 191-4 4 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  43. Published

    Enhanced capacity for release of leucotriene B4 by neutrophils in rheumatoid arthritis

    Elmgreen, J., Nielsen, Ole Haagen & Ahnfelt-Rønne, I., Jul 1987, In: Annals of the Rheumatic Diseases. 46, 7, p. 501-5 5 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  44. Published

    Acute gastroenteritis in children attending day-care centres with special reference to rotavirus infections. I. Aetiology and epidemiologic aspects

    Hjelt, K., Paerregaard, A., Nielsen, Ole Haagen, Grauballe, P. C., Gaarslev, K., Holten-Andersen, W., Tvede, M., Orskov, F. & Krasilnikoff, P. A., Sep 1987, In: Acta Paediatrica Scandinavica. 76, 5, p. 754-62 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  45. Published

    Activation of neutrophil chemotaxis by leukotriene B4 and 5-hydroxyeicosatetraenoic acid in chronic inflammatory bowel disease

    Nielsen, Ole Haagen & Elmgreen, J., Oct 1987, In: Scandinavian Journal of Clinical and Laboratory Investigation. 47, 6, p. 605-11 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  46. 1988
  47. Published

    In vitro studies on the significance of arachidonate metabolism and other oxidative processes in the inflammatory response of human neutrophils and macrophages. With special reference to chronic inflammatory bowel disease

    Nielsen, Ole Haagen, 1988, In: Scandinavian Journal of Gastroenterology. 150, p. 1-21 21 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  48. Published

    Source of endogenous arachidonate and 5-lipoxygenase products in human neutrophils stimulated by bradykinin and A23187

    Nielsen, Ole Haagen, Bukhave, K., Ahnfelt-Rønne, I. & Rask-Madsen, J., Mar 1988, In: Gut. 29, 3, p. 319-24 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  49. Published

    4-Aminosalicylic acid, in contrast to 5-aminosalicylic acid, has no effect on arachidonic acid metabolism in human neutrophils, or on the free radical 1,1-diphenyl-2-picrylhydrazyl

    Nielsen, Ole Haagen & Ahnfelt-Rønne, I., Apr 1988, In: Pharmacology & Toxicology. 62, 4, p. 223-6 4 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  50. Published

    Serum interferon activity in inflammatory bowel disease. Arachidonic acid release and lipoxygenation activated by alpha-class interferon in human neutrophils

    Nielsen, Ole Haagen, Elmgreen, J. & Ahnfelt-Rønne, I., Apr 1988, In: Inflammation. 12, 2, p. 169-79 11 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  51. Published

    A comparison of the effect of timegadine, levamisole, and D-penicillamine on human neutrophil metabolism of endogenous arachidonic acid and chemotaxis

    Nielsen, Ole Haagen, Ahnfelt-Rønne, I. & Elmgreen, J., May 1988, In: Pharmacology & Toxicology. 62, 5, p. 322-5 4 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  52. Published

    Inhibition of intestinal macrophage chemotaxis to leukotriene B4 by sulphasalazine, olsalazine, and 5-aminosalicylic acid

    Nielsen, Ole Haagen, Verspaget, H. W. & Elmgreen, J., Jun 1988, In: Alimentary Pharmacology and Therapeutics. 2, 3, p. 203-11 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  53. Published

    Cystic fibrosis in Denmark 1945 to 1985. An analysis of incidence, mortality and influence of centralized treatment on survival

    Nielsen, Ole Haagen, Thomsen, Birthe Lykke Riegels, Green, A., Andersen, Per Kragh, Hauge, M. & Schiøtz, P. O., Nov 1988, In: Acta Paediatrica Scandinavica. 77, 6, p. 836-41 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  54. Published

    Concentrations of IgA, secretory IgA, IgM, secretory IgM, IgD, and IgG in the upper jejunum of children without gastrointestinal disorders

    Hjelt, K., Sørensen, C. H., Nielsen, Ole Haagen & Krasilnikoff, P. A., 1 Nov 1988, In: Journal of Pediatric Gastroenterology and Nutrition. 7, 6, p. 867-71 5 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  55. 1989
  56. Published

    Inflammation og frie oxygenradikaler

    Nielsen, Ole Haagen & Ahnfelt-Rønne, I., 1989, In: Nordisk Medicin. 104, 8-9, p. 216-8 3 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  57. Published

    Serum antibodies to cow's milk folate-binding protein in patients with chronic inflammatory bowel disease

    Høier-Madsen, M., Holm, J., Hansen, S. I. & Nielsen, Ole Haagen, 1989, In: International Journal of Tissue Reactions. 11, 6, p. 327-32 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  58. Published

    Effects of antirheumatic drugs on endogenous arachidonate metabolism and chemotaxis in human neutrophil granulocytes

    Nielsen, Ole Haagen, Ahnfelt-Rønne, I. & Elmgreen, J., Jan 1989, In: Agents and Actions. 26, 1-2, p. 233-4 2 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  59. Published

    Inflammation and free oxygen radicals

    Nielsen, Ole Haagen & Ahnfelt-Ronne, I., 1 Jan 1989, In: Ugeskrift for Laeger. 151, 16, p. 976-978 3 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

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ID: 4947702