Johann Hammer

Summary

Affiliation: Medical University of Vienna
Country: Austria

Publications

  1. ncbi Hypersensitivity for capsaicin in patients with functional dyspepsia
    J Hammer
    Abteilung für Gastroenterologie und Hepatologie, Medical University of Vienna, Vienna, Austria
    Neurogastroenterol Motil 20:125-33. 2008
  2. ncbi Intestinal chemo- and mechano-sensitivity: selective modification of small intestinal sensitivity by lipids
    J Hammer
    Abteilung für Gastroenterologie und Hepatologie, Medical University of Vienna, Vienna, Austria
    Aliment Pharmacol Ther 26:117-24. 2007
  3. doi Value of different diagnostic criteria for the irritable bowel syndrome among men and women
    Johann Hammer
    Universitatsklinik fur Innere Medizin IV, Abteilung für Gastroenterologie und Hepatologie, Vienna, Austria
    J Clin Gastroenterol 42:160-6. 2008
  4. ncbi Effect of repeated capsaicin ingestion on intestinal chemosensation and mechanosensation
    J Hammer
    Abteilung für Gastroenterologie und Hepatologie, Medical University of Vienna, Vienna, Austria
    Aliment Pharmacol Ther 24:679-86. 2006
  5. ncbi Disturbed bowel habits in patients with non-ulcer dyspepsia
    J Hammer
    Universitatsklinik fur Innere Medizin IV, Abteilung für Gastroenterologie und Hepatologie, Vienna, Austria
    Aliment Pharmacol Ther 24:405-10. 2006
  6. ncbi Hyperalgesia against capsaicin in persons with un-investigated dyspepsia: potential as a new diagnostic test
    Johann Hammer
    Abteilung für Gastroenterologie und Hepatologie, Universitatsklinik fur Innere Medizin IV, Vienna, Austria
    Wien Klin Wochenschr 118:43-8. 2006
  7. doi Gastrointestinal symptoms in patients with liver cirrhosis are linked to impaired quality of life and psychological distress
    Eva Fritz
    Universitätsklinik für Innere Medizin 3, Abteilung für Gastroenterologie und Hepatologie, Medical University of Vienna, Austria
    Eur J Gastroenterol Hepatol 21:370-5. 2009
  8. pmc Chemical nociception in the jejunum induced by capsaicin
    B Schmidt
    Abteilung für Gastroenterologie und Hepatologie, University of Vienna, Vienna, Austria
    Gut 53:1109-16. 2004
  9. doi Effect of repeated, long term capsaicin ingestion on intestinal chemo- and mechanosensation in healthy volunteers
    M Fuhrer
    Abteilung für Gastroenterologie und Hepatologie, Medical University of Vienna, Vienna, Austria
    Neurogastroenterol Motil 21:521-7, e7. 2009
  10. ncbi Acupuncture has a placebo effect on rectal perception but not on distensibility and spatial summation: a study in health and IBS
    Reingard B K Rohrböck
    Abteilung für Gastroenterologie und Hepatologie, University of Vienna, Austria
    Am J Gastroenterol 99:1990-7. 2004

Collaborators

  • Heinz F Hammer
  • N J Talley
  • Peter Holzer
  • Eva Fritz
  • M Fuhrer
  • Martina Führer
  • E Fritz
  • Reingard B K Rohrböck
  • B Schmidt
  • C Hogenauer
  • R Stauber
  • R W Lipp
  • Harald Vogelsang
  • Andreas J Eherer
  • Barbara Schmidt

Detail Information

Publications16

  1. ncbi Hypersensitivity for capsaicin in patients with functional dyspepsia
    J Hammer
    Abteilung für Gastroenterologie und Hepatologie, Medical University of Vienna, Vienna, Austria
    Neurogastroenterol Motil 20:125-33. 2008
    ..In reliability testing, the Cronbach alpha-value of the capsaicin test was 0.86. The capsaicin test is a simple and non-invasive method to detect a subgroup of functional dyspepsia with chemical hypersensitivity...
  2. ncbi Intestinal chemo- and mechano-sensitivity: selective modification of small intestinal sensitivity by lipids
    J Hammer
    Abteilung für Gastroenterologie und Hepatologie, Medical University of Vienna, Vienna, Austria
    Aliment Pharmacol Ther 26:117-24. 2007
    ..Intestinal chemo-nociception is a recently described mechanism of perception of intraluminal stimuli that might involve pathways independent from mechano-nociception...
  3. doi Value of different diagnostic criteria for the irritable bowel syndrome among men and women
    Johann Hammer
    Universitatsklinik fur Innere Medizin IV, Abteilung für Gastroenterologie und Hepatologie, Vienna, Austria
    J Clin Gastroenterol 42:160-6. 2008
    ..Whether the diagnostic value of various criteria used to diagnose irritable bowel syndrome (IBS) differ by sex is controversial...
  4. ncbi Effect of repeated capsaicin ingestion on intestinal chemosensation and mechanosensation
    J Hammer
    Abteilung für Gastroenterologie und Hepatologie, Medical University of Vienna, Vienna, Austria
    Aliment Pharmacol Ther 24:679-86. 2006
    ..Ingestion of capsaicin reduces symptoms in functional dyspepsia but induces upper abdominal symptoms initially...
  5. ncbi Disturbed bowel habits in patients with non-ulcer dyspepsia
    J Hammer
    Universitatsklinik fur Innere Medizin IV, Abteilung für Gastroenterologie und Hepatologie, Vienna, Austria
    Aliment Pharmacol Ther 24:405-10. 2006
    ..If drugs that alter colonic function were to prove useful in non-ulcer dyspepsia, knowledge of baseline bowel habit disturbances would be potentially critical...
  6. ncbi Hyperalgesia against capsaicin in persons with un-investigated dyspepsia: potential as a new diagnostic test
    Johann Hammer
    Abteilung für Gastroenterologie und Hepatologie, Universitatsklinik fur Innere Medizin IV, Vienna, Austria
    Wien Klin Wochenschr 118:43-8. 2006
    ..The aim of this study was to evaluate whether vanilloid receptors stimulated by capsaicin are hypersensitive in persons with dyspepsia...
  7. doi Gastrointestinal symptoms in patients with liver cirrhosis are linked to impaired quality of life and psychological distress
    Eva Fritz
    Universitätsklinik für Innere Medizin 3, Abteilung für Gastroenterologie und Hepatologie, Medical University of Vienna, Austria
    Eur J Gastroenterol Hepatol 21:370-5. 2009
    ..The factors that lead to an impaired quality of life (QoL) in patients with liver cirrhosis are incompletely understood. Gastrointestinal (GI) symptoms are frequent in liver cirrhosis and are known to reduce QoL in GI and non-GI diseases...
  8. pmc Chemical nociception in the jejunum induced by capsaicin
    B Schmidt
    Abteilung für Gastroenterologie und Hepatologie, University of Vienna, Vienna, Austria
    Gut 53:1109-16. 2004
    ..Our aims were to evaluate motor activity during capsaicin induced nociception and to compare qualities of jejunal nociception induced by capsaicin and mechanical distension...
  9. doi Effect of repeated, long term capsaicin ingestion on intestinal chemo- and mechanosensation in healthy volunteers
    M Fuhrer
    Abteilung für Gastroenterologie und Hepatologie, Medical University of Vienna, Vienna, Austria
    Neurogastroenterol Motil 21:521-7, e7. 2009
    ..Symptom reduction after prolonged treatment with capsaicin in dyspeptic patients might be attributed to a dual desensitizing effect of capsaicin on chemonociceptors and mechanonociceptors...
  10. ncbi Acupuncture has a placebo effect on rectal perception but not on distensibility and spatial summation: a study in health and IBS
    Reingard B K Rohrböck
    Abteilung für Gastroenterologie und Hepatologie, University of Vienna, Austria
    Am J Gastroenterol 99:1990-7. 2004
    ..Spatial summation is a central mechanism of perception and describes the phenomenon that thresholds for perception are lower if more receptors are stimulated...
  11. doi Duodenal chemosensitivity and mechanosensitivity in humans during acid and ethanol perfusion
    Martina Führer
    Department of Gastroenterology and Hepatology, Medical University of Vienna, Austria
    Eur J Gastroenterol Hepatol 20:537-44. 2008
    ..Other stimulators of TRPV1 include heat, acid or ethanol. We evaluated the effects of duodenal acid and ethanol exposure on chemosensitivity and mechanosensitivity in healthy volunteers...
  12. ncbi Stimulation of the nitric oxide-guanosine 3', 5'-cyclic monophosphate pathway by sildenafil: effect on rectal muscle tone, distensibility, and perception in health and in irritable bowel syndrome
    Eva Fritz
    Universitatsklinik fur Innere Medizin IV, Abteilung für Gastroenterologie und Hepatologie, University of Vienna, Vienna, Austria
    Am J Gastroenterol 98:2253-60. 2003
    ..The aims of this study were to evaluate in vivo the effect of stimulation of the NO-cGMP pathway on rectal tone, distensibility, and perception in healthy individuals and in patients with irritable bowel syndrome (IBS)...
  13. ncbi Gastrointestinal symptoms in patients with liver cirrhosis are linked to impaired quality of life and psychological distress
    Eva Fritz
    Universitätsklinik für Innere Medizin 3, Abteilung für Gastroenterologie und Hepatologie, Medical University of Vienna, Austria
    Eur J Gastroenterol Hepatol 21:460-5. 2009
    ..The factors that lead to an impaired quality of life (QoL) in patients with liver cirrhosis are incompletely understood. Gastrointestinal (GI) symptoms are frequent in liver cirrhosis and are known to reduce QoL in GI and non-GI diseases...
  14. ncbi Characterization of sensations induced by capsaicin in the upper gastrointestinal tract
    J Hammer
    Abteilung für Gastroenterologie und Hepatologie, Medical University of Vienna, Vienna, Austria
    Neurogastroenterol Motil 19:279-87. 2007
    ..Activation of chemical pathways could be a useful human pain model activating nociceptors apart from mechanical stimulation...
  15. ncbi Effects of lactulose and polyethylene glycol on colonic transit
    E Fritz
    Universitatsklinik fur Innere Medizin IV, Vienna
    Aliment Pharmacol Ther 21:259-68. 2005
    ..The effects of lactulose and polyethylene glycol on colonic transit are poorly established...
  16. pmc Diagnostic yield of alarm features in irritable bowel syndrome and functional dyspepsia
    J Hammer
    Universitatsklinik fur Innere Medizin IV, Abteilung für Gastroenterologie und Hepatologie, Vienna, Austria
    Gut 53:666-72. 2004
    ..We aimed to establish the value of alarm features in differentiating between organic disease and irritable bowel syndrome (IBS) and functional dyspepsia (FD)...