Klaus Bielefeldt

Summary

Affiliation: University of Pittsburgh
Country: USA

Publications

  1. doi request reprint Regional differences in healthcare delivery for gastroparesis
    Klaus Bielefeldt
    Division of Gastroenterology, University of Pittsburgh Medical Center, 200 Lothrop St, Pittsburgh, PA, 15261, USA
    Dig Dis Sci 58:2789-98. 2013
  2. doi request reprint Factors influencing admission and outcomes in gastroparesis
    K Bielefeldt
    Division of Gastroenterology, University of Pittsburgh Medical Center, Pittsburgh, PA 15213, USA
    Neurogastroenterol Motil 25:389-98, e294. 2013
  3. pmc Pain and inflammatory bowel disease
    Klaus Bielefeldt
    Center for Pain Research, Division of Gastroenterology, Hepatology and Nutrition, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA
    Inflamm Bowel Dis 15:778-88. 2009
  4. pmc Different faces of gastroparesis
    Klaus Bielefeldt
    Division of Gastroenterology, University of Pittsburgh Medical Center, 200 Lothrop St, Pittsburgh, PA 15213, United States
    World J Gastroenterol 15:6052-60. 2009
  5. doi request reprint Pain and opioid use in chronic pancreatitis
    Salman Nusrat
    University of Pittsburgh Medical Center, Pittsburgh, PA, USA
    Pancreas 41:264-70. 2012
  6. ncbi request reprint Wireless esophageal pH monitoring: new technique means new questions
    Yasser M Bhat
    Department of Gastroenterology, Hepatology and Nutrition, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA
    J Clin Gastroenterol 40:116-21. 2006
  7. pmc Healthcare utilization in chronic liver disease: the importance of pain and prescription opioid use
    Shari S Rogal
    Division of Gastroenterology, Hepatology, and Nutrition, University of Pittsburgh, Pittsburgh, PA, USA
    Liver Int 33:1497-503. 2013
  8. doi request reprint Hospitalizations and testing in gastroparesis
    Anwar Dudekula
    University of Pittsburgh Medical Center, Department of Medicine and Division of Gastroenterology, Pittsburgh, PA 15213, USA
    J Gastroenterol Hepatol 26:1275-82. 2011
  9. pmc Pain and opioid use in chronic liver disease
    Shari S Rogal
    Division of Gastroenterology, Hepatology, and Nutrition, University of Pittsburgh, 200 Lothrop Street, C Wing, M Level, PUH, Pittsburgh, PA, 15213, USA
    Dig Dis Sci 58:2976-85. 2013
  10. ncbi request reprint Capsaicin receptor (TRPV1) and non-erosive reflux disease
    Yasser M Bhat
    Division of Gastroenterology, Hepatology and Nutrition, University of Pittsburgh School of Medicine, PA 15213, USA
    Eur J Gastroenterol Hepatol 18:263-70. 2006

Collaborators

Detail Information

Publications19

  1. doi request reprint Regional differences in healthcare delivery for gastroparesis
    Klaus Bielefeldt
    Division of Gastroenterology, University of Pittsburgh Medical Center, 200 Lothrop St, Pittsburgh, PA, 15261, USA
    Dig Dis Sci 58:2789-98. 2013
    ..Few studies have examined the effects of various interventions in gastroparesis. The goal of the present study was to determine whether inpatient management and outcomes differed among states across the United States...
  2. doi request reprint Factors influencing admission and outcomes in gastroparesis
    K Bielefeldt
    Division of Gastroenterology, University of Pittsburgh Medical Center, Pittsburgh, PA 15213, USA
    Neurogastroenterol Motil 25:389-98, e294. 2013
    ..Considering this variability, the goal of this study was to determine mortality rates and risk factors for adverse outcomes in gastroparesis...
  3. pmc Pain and inflammatory bowel disease
    Klaus Bielefeldt
    Center for Pain Research, Division of Gastroenterology, Hepatology and Nutrition, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA
    Inflamm Bowel Dis 15:778-88. 2009
    ....
  4. pmc Different faces of gastroparesis
    Klaus Bielefeldt
    Division of Gastroenterology, University of Pittsburgh Medical Center, 200 Lothrop St, Pittsburgh, PA 15213, United States
    World J Gastroenterol 15:6052-60. 2009
    ..To test the hypothesis that pain and affect rather than impaired emptying determine symptom severity in patients with gastroparesis...
  5. doi request reprint Pain and opioid use in chronic pancreatitis
    Salman Nusrat
    University of Pittsburgh Medical Center, Pittsburgh, PA, USA
    Pancreas 41:264-70. 2012
    ..Opioid therapy for pain in chronic pancreatitis (CP) is associated with tolerance and possibly opioid-induced hyperalgesia. We thus examined opioid use and pain rating in CP patients...
  6. ncbi request reprint Wireless esophageal pH monitoring: new technique means new questions
    Yasser M Bhat
    Department of Gastroenterology, Hepatology and Nutrition, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA
    J Clin Gastroenterol 40:116-21. 2006
    ..We prospectively enrolled patients in a research registry to assess the feasibility and safety in clinical use...
  7. pmc Healthcare utilization in chronic liver disease: the importance of pain and prescription opioid use
    Shari S Rogal
    Division of Gastroenterology, Hepatology, and Nutrition, University of Pittsburgh, Pittsburgh, PA, USA
    Liver Int 33:1497-503. 2013
    ..The aim of this study was to assess factors associated with healthcare utilization in patients with chronic liver disease with a focus on pain, opioid use and psychiatric symptoms...
  8. doi request reprint Hospitalizations and testing in gastroparesis
    Anwar Dudekula
    University of Pittsburgh Medical Center, Department of Medicine and Division of Gastroenterology, Pittsburgh, PA 15213, USA
    J Gastroenterol Hepatol 26:1275-82. 2011
    ..We hypothesized that pain is a key reason for emergency encounters and diagnostic testing...
  9. pmc Pain and opioid use in chronic liver disease
    Shari S Rogal
    Division of Gastroenterology, Hepatology, and Nutrition, University of Pittsburgh, 200 Lothrop Street, C Wing, M Level, PUH, Pittsburgh, PA, 15213, USA
    Dig Dis Sci 58:2976-85. 2013
    ..Pain is common in patients with liver disease, difficult to treat, and poorly understood...
  10. ncbi request reprint Capsaicin receptor (TRPV1) and non-erosive reflux disease
    Yasser M Bhat
    Division of Gastroenterology, Hepatology and Nutrition, University of Pittsburgh School of Medicine, PA 15213, USA
    Eur J Gastroenterol Hepatol 18:263-70. 2006
    ..Non-erosive reflux disease (NERD) is a common and heterogeneous disorder. We hypothesized that changes in peripheral innervation may lead to hyperalgesia and contribute to the development of the disorder...
  11. pmc Hospitalization rates and discharge status in multiple sclerosis
    Sanober Nusrat
    University of Pittsburgh Medical Center, Division of Gastroenterology, 200 Lothrop Dr, Pittsburgh, PA 15213, USA
    Mult Scler Int 2013:436929. 2013
    ....
  12. pmc Anorectal dysfunction in multiple sclerosis: a systematic review
    Sanober Nusrat
    Division of Gastroenterology, Hepatology and Nutrition, Department of Medicine, University of Pittsburgh Medical Center, Pittsburgh, PA 15217, USA
    ISRN Neurol 2012:376023. 2012
    ..Anorectal dysfunction is a common manifestation in MS that significantly affects quality of life. Therapies are at best moderately effective and often cumbersome, highlighting the need for simple and more helpful interventions...
  13. doi request reprint Reflux and sex: what drives testing, what drives treatment?
    Salman Nusrat
    Department of Medicine, Division of Gastroenterology, Hepatology and Nutrition, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania 15232, USA
    Eur J Gastroenterol Hepatol 24:233-47. 2012
    ..In the US, women are also more likely to undergo antireflux surgery. These results suggest that healthcare-seeking behavior and socioeconomic factors rather than the biology of disease influence the clinical approaches to reflux disease...
  14. doi request reprint Diagnostic stringency and healthcare needs in patients with biliary dyskinesia
    Nitin Aggarwal
    Division of Gastroenterology, University of Pittsburgh Medical Center, 200 Lothrop St, Pittsburgh, PA, 15213, USA
    Dig Dis Sci 58:2799-808. 2013
    ..We have recently shown an increase in cholecystectomies for biliary dyskinesia. Based on these results, we hypothesized that diagnostic criteria are less stringently applied which may contribute to ongoing resource utilization...
  15. doi request reprint Pain without nociception?
    David J Levinthal
    Division of Gastroenterology, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania 15213, USA
    Eur J Gastroenterol Hepatol 24:336-9. 2012
    ....
  16. pmc Abdominal pain in ulcerative colitis
    Matthew D Coates
    Department of Medicine, Division of Gastroenterology, Hepatology and Nutrition, University of Pittsburgh Medical Center, Pittsburgh, PA 15213, USA
    Inflamm Bowel Dis 19:2207-14. 2013
    ..This study was undertaken to determine the prevalence of pain in patients with ulcerative colitis (UC) and examine the role of inflammation and psychiatric comorbidities in patients with UC with pain...
  17. ncbi request reprint Differential effects of ASIC3 and TRPV1 deletion on gastroesophageal sensation in mice
    Klaus Bielefeldt
    Department of Medicine, University of Pittsburgh, Pittsburgh, PA 15213, USA
    Am J Physiol Gastrointest Liver Physiol 294:G130-8. 2008
    ..Considering the importance of acid in dyspeptic symptoms and gastroesophageal reflux, TRPV1 or ASIC3 may be an attractive target for treatment strategies in patients who do not respond to acid suppressive therapy...
  18. pmc TPRV1 expression defines functionally distinct pelvic colon afferents
    Sacha A Malin
    Department of Medicine, Division of Gastroenterology, Hepatology, and Nutrition, University of Pittsburgh School of Medicine, Pittsburgh, PA 15261, USA
    J Neurosci 29:743-52. 2009
    ..These results suggest a unique functional role of TRPV1-positive colon afferents that could be exploited to design specific therapies for visceral hypersensitivity...
  19. pmc Development, plasticity and modulation of visceral afferents
    Julie A Christianson
    University of Pittsburgh School of Medicine, Pittsburgh Center for Pain Research, 200 Lothrop St, Pittsburgh, PA 16261, USA
    Brain Res Rev 60:171-86. 2009
    ..New approaches to the treatment of visceral pain, which focus on primary afferents, will also be discussed...