Peter James Kahrilas

Summary

Affiliation: Northwestern University
Country: USA

Publications

  1. ncbi Republished: Failure of reflux inhibitors in clinical trials: bad drugs or wrong patients?
    Peter J Kahrilas
    Northwestern University, Feinberg School of Medicine, Division of Gastroenterology and Hepatology, Department of Medicine, 676 N St Clair Street, 14th Floor, Chicago, IL 60611, USA
    Postgrad Med J 89:111-9. 2013
  2. ncbi Concomitant symptoms itemized in the Reflux Disease Questionnaire are associated with attenuated heartburn response to acid suppression
    Peter J Kahrilas
    Division of Gastroenterology and Hepatology, Northwestern University Feinberg School of Medicine, Chicago, Illinois 60611 2951, USA
    Am J Gastroenterol 107:1354-60. 2012
  3. ncbi Failure of reflux inhibitors in clinical trials: bad drugs or wrong patients?
    Peter J Kahrilas
    Northwestern University, Feinberg School of Medicine, Division of Gastroenterology and Hepatology, Department of Medicine, 676 N St Clair Street, Chicago, IL 60611, USA
    Gut 61:1501-9. 2012
  4. ncbi Regurgitation is less responsive to acid suppression than heartburn in patients with gastroesophageal reflux disease
    Peter J Kahrilas
    Division of Gastroenterology and Hepatology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
    Clin Gastroenterol Hepatol 10:612-9. 2012
  5. ncbi Evaluation of the esophagogastric junction using high resolution manometry and esophageal pressure topography
    P J Kahrilas
    Department of Medicine, Division of Gastroenterology and Hepatology, The Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
    Neurogastroenterol Motil 24:11-9. 2012
  6. ncbi Prospective randomized controlled trial of an injectable esophageal prosthesis versus a sham procedure for endoscopic treatment of gastroesophageal reflux disease
    Paul Fockens
    Academic Medical Center, University of Amsterdam, PO Box 22700, 1100 DE Amsterdam, The Netherlands
    Surg Endosc 24:1387-97. 2010
  7. ncbi Esophageal motor disorders in terms of high-resolution esophageal pressure topography: what has changed?
    Peter J Kahrilas
    Division of Gastroenterology, Department of Medicine, The Feinberg School of Medicine, Northwestern University, Chicago, Illinois 60611 2951, USA
    Am J Gastroenterol 105:981-7. 2010
  8. ncbi Review article: gastro-oesophageal reflux disease as a functional gastrointestinal disorder
    P J Kahrilas
    Northwestern University, Feinberg School of Medicine, Department of Medicine, Division of Gastroenterology, Chicago, IL 60611 2951, USA
    Aliment Pharmacol Ther 20:50-5. 2004
  9. ncbi Pathophysiology of gastroesophageal reflux disease
    Peter J Kahrilas
    Division of Gastroenterology, Department of Medicine, Northwestern University Feinberg School of Medicine, 676 North St Clair Street, Suite 1400, Chicago, IL 60611, USA
    Thorac Surg Clin 15:323-33. 2005
  10. ncbi Response of unexplained chest pain to proton pump inhibitor treatment in patients with and without objective evidence of gastro-oesophageal reflux disease
    Peter J Kahrilas
    Northwestern University, Feinberg School of Medicine, Chicago, IL 60611 2951, USA
    Gut 60:1473-8. 2011

Research Grants

  1. THE ESOPHAGOGASTRIC JUNCTION IN HEALTH AND DISEASE
    Peter Kahrilas; Fiscal Year: 2007
  2. THE ESOPHAGOGASTRIC JUNCTION IN HEALTH AND DISEASE
    Peter Kahrilas; Fiscal Year: 2009
  3. THE ESOPHAGOGASTRIC JUNCTION IN HEALTH AND DISEASE
    Peter Kahrilas; Fiscal Year: 2005
  4. THE ESOPHAGOGASTRIC JUNCTION IN HEALTH AND DISEASE
    Peter James Kahrilas; Fiscal Year: 2010

Collaborators

Detail Information

Publications87

  1. ncbi Republished: Failure of reflux inhibitors in clinical trials: bad drugs or wrong patients?
    Peter J Kahrilas
    Northwestern University, Feinberg School of Medicine, Division of Gastroenterology and Hepatology, Department of Medicine, 676 N St Clair Street, 14th Floor, Chicago, IL 60611, USA
    Postgrad Med J 89:111-9. 2013
    ....
  2. ncbi Concomitant symptoms itemized in the Reflux Disease Questionnaire are associated with attenuated heartburn response to acid suppression
    Peter J Kahrilas
    Division of Gastroenterology and Hepatology, Northwestern University Feinberg School of Medicine, Chicago, Illinois 60611 2951, USA
    Am J Gastroenterol 107:1354-60. 2012
    ..However, clinical trials have generally focused only on the "substernal burning" item and limited data exist on the effect of concomitant items on the treatment response of "substernal burning"...
  3. ncbi Failure of reflux inhibitors in clinical trials: bad drugs or wrong patients?
    Peter J Kahrilas
    Northwestern University, Feinberg School of Medicine, Division of Gastroenterology and Hepatology, Department of Medicine, 676 N St Clair Street, Chicago, IL 60611, USA
    Gut 61:1501-9. 2012
    ....
  4. ncbi Regurgitation is less responsive to acid suppression than heartburn in patients with gastroesophageal reflux disease
    Peter J Kahrilas
    Division of Gastroenterology and Hepatology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
    Clin Gastroenterol Hepatol 10:612-9. 2012
    ..We evaluated the responsiveness of regurgitation, characterized by the reflux disease questionnaire (RDQ) to potent acid suppression...
  5. ncbi Evaluation of the esophagogastric junction using high resolution manometry and esophageal pressure topography
    P J Kahrilas
    Department of Medicine, Division of Gastroenterology and Hepatology, The Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
    Neurogastroenterol Motil 24:11-9. 2012
    ..Finally, although the accomplishments summarized above are substantial, much work remains to fully exploit the potential of EPT in the clinical characterization of the EGJ...
  6. ncbi Prospective randomized controlled trial of an injectable esophageal prosthesis versus a sham procedure for endoscopic treatment of gastroesophageal reflux disease
    Paul Fockens
    Academic Medical Center, University of Amsterdam, PO Box 22700, 1100 DE Amsterdam, The Netherlands
    Surg Endosc 24:1387-97. 2010
    ..This study aimed to assess whether endoscopic implantation of an injectable esophageal prosthesis, the Gatekeeper Reflux Repair System (GK), is a safe and effective therapy for controlling gastroesophageal reflux disease (GERD)...
  7. ncbi Esophageal motor disorders in terms of high-resolution esophageal pressure topography: what has changed?
    Peter J Kahrilas
    Division of Gastroenterology, Department of Medicine, The Feinberg School of Medicine, Northwestern University, Chicago, Illinois 60611 2951, USA
    Am J Gastroenterol 105:981-7. 2010
    ..Ultimately, clinical experience will be the judge, but it seems likely that HREPT data, along with its well-defined functional implications, will improve the clinical management of esophageal motility disorders...
  8. ncbi Review article: gastro-oesophageal reflux disease as a functional gastrointestinal disorder
    P J Kahrilas
    Northwestern University, Feinberg School of Medicine, Department of Medicine, Division of Gastroenterology, Chicago, IL 60611 2951, USA
    Aliment Pharmacol Ther 20:50-5. 2004
    ....
  9. ncbi Pathophysiology of gastroesophageal reflux disease
    Peter J Kahrilas
    Division of Gastroenterology, Department of Medicine, Northwestern University Feinberg School of Medicine, 676 North St Clair Street, Suite 1400, Chicago, IL 60611, USA
    Thorac Surg Clin 15:323-33. 2005
    ..These abnormalities exhibit a complicated interplay that degrades the ability of the EGJ to contain gastric juice within the stomach and to clear the esophagus of gastric juice effectively once reflux has occurred...
  10. ncbi Response of unexplained chest pain to proton pump inhibitor treatment in patients with and without objective evidence of gastro-oesophageal reflux disease
    Peter J Kahrilas
    Northwestern University, Feinberg School of Medicine, Chicago, IL 60611 2951, USA
    Gut 60:1473-8. 2011
    ..We explored the response of unexplained chest pain to proton pump inhibitor (PPI) therapy in randomised clinical trials (RCTs), differentiating patients with and without objective evidence of GORD...
  11. ncbi Efficacy of rabeprazole in the treatment of symptomatic gastroesophageal reflux disease
    Peter J Kahrilas
    Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
    Dig Dis Sci 50:2009-18. 2005
    ..g., regurgitation, belching, early satiety) by week 4 compared with placebo (P < or = .05). Rabeprazole provides fast and potent relief from heartburn and other symptoms of nonerosive gastroesophageal reflux disease...
  12. ncbi Response of regurgitation to proton pump inhibitor therapy in clinical trials of gastroesophageal reflux disease
    Peter J Kahrilas
    Division of Gastroenterology, Northwestern University, Feinberg School of Medicine, Chicago, Illinois 60611 2951, USA
    Am J Gastroenterol 106:1419-25; quiz 1426. 2011
    ..This study aimed to evaluate the response of regurgitation to PPI therapy in GERD trials...
  13. ncbi Review article: oesophageal pH monitoring--technologies, interpretation and correlation with clinical outcomes
    P J Kahrilas
    Division of Gastroeneterology, Department of Medicine, Northwestern University, The Feinberg School of Medicine, Chicago, IL 60611, USA
    Aliment Pharmacol Ther 22:2-9. 2005
    ..More research is needed to determine whether the detection of reflux events with Bravo will provide a good correlation with symptom episodes...
  14. ncbi Management of GERD: medical versus surgical
    P J Kahrilas
    Department of Medicine, Northwestern University Medical School, Chicago, IL 60611, USA
    Semin Gastrointest Dis 12:3-15. 2001
    ..However, regardless of the motivation for pursuing surgical management, patients must be advised of potential suboptimal results and the irreversibility of the procedure...
  15. ncbi Refractory heartburn
    Peter J Kahrilas
    Department of Medicine, Division of Gastroenterology, Feinberg School of Medicine, Northwestern University, 676 St. Clair Street, Suite 1400, Chicago, IL 60611-2951, USA
    Gastroenterology 124:1941-5. 2003
  16. ncbi Challenging the limits of esophageal manometry
    Peter J Kahrilas
    Department of Medicine, The Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA
    Gastroenterology 134:16-8. 2008
  17. ncbi A randomized, comparative study of three doses of AZD0865 and esomeprazole for healing of reflux esophagitis
    Peter J Kahrilas
    Feinberg School of Medicine, Northwestern University, Chicago, Illinois 60611 2951, USA
    Clin Gastroenterol Hepatol 5:1385-91. 2007
    ..AZD0865 belongs to a new class of acid-suppressing agents with rapid onset of action and potent acid inhibition. We evaluated its effectiveness for healing reflux esophagitis...
  18. ncbi Pressure morphology of the relaxed lower esophageal sphincter: the formation and collapse of the phrenic ampulla
    Monika A Kwiatek
    Department of Medicine, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA
    Am J Physiol Gastrointest Liver Physiol 302:G389-96. 2012
    ....
  19. ncbi Gatekeeper reflux repair system; a mechanistic hypothesis
    P J Kahrilas
    Northwestern University, Feinberg School of Medicine, Division of Gastroenterology, Department of Medicine, 676 N St Clair Street, Suite 1400, Chicago, Illinois 60611, USA
    Gut 54:179-80. 2005
  20. ncbi High-resolution manometry and impedance-pH/manometry: valuable tools in clinical and investigational esophagology
    Peter J Kahrilas
    Department of Medicine, The Feinberg School of Medicine, Northwestern University, Chicago, Illinois 60611 2951, USA
    Gastroenterology 135:756-69. 2008
    ..Ultimately, however, both technologies will be strengthened as outcome studies evaluating their utilization become available...
  21. ncbi Approaches to the diagnosis and grading of hiatal hernia
    Peter J Kahrilas
    Department of Medicine, The Feinberg School of Medicine, Northwestern University, Chicago, IL 60611 2951, USA
    Best Pract Res Clin Gastroenterol 22:601-16. 2008
    ....
  22. ncbi Clinical practice. Gastroesophageal reflux disease
    Peter J Kahrilas
    Division of Gastroenterology, Feinberg School of Medicine, Chicago IL 60611-2951, USA
    N Engl J Med 359:1700-7. 2008
  23. ncbi Esophageal motility disorders in terms of pressure topography: the Chicago Classification
    Peter J Kahrilas
    Department of Medicine, The Feinberg School of Medicine, Northwestern University, Chicago, IL 60611 2951, USA
    J Clin Gastroenterol 42:627-35. 2008
    ....
  24. ncbi The target of therapies: pathophysiology of gastroesophageal reflux disease
    Peter J Kahrilas
    Department of Medicine, Northwestern University s Feinberg School of Medicine, Division of Gastroenterology, Searle Bldg, 10th Floor, Suite 541, 303 East Chicago Avenue, Chicago, IL 60611, USA
    Gastrointest Endosc Clin N Am 13:1-17. 2003
    ....
  25. ncbi Restoration of normal distensive characteristics of the esophagogastric junction after fundoplication
    John E Pandolfino
    Department of Medicine, Northwestern University Medical School, Chicago, IL, USA
    Ann Surg 242:43-8. 2005
    ..Since trans-EGJ flow is related to EGJ length and EGJ diameter, these findings suggest that retrograde flow through the EGJ would be decreased by both a reduction in diameter and an increase in length of the EGJ...
  26. ncbi Functional esophagogastric junction obstruction with intact peristalsis: a heterogeneous syndrome sometimes akin to achalasia
    John R Scherer
    Department of Medicine, Division of Gastroenterology, Feinberg School of Medicine, Northwestern University, 676 N St Clair Street, Suite 1400, Chicago, IL 60611, USA
    J Gastrointest Surg 13:2219-25. 2009
    ..Some patients with suspected achalasia are found on manometry to have preserved peristalsis, thereby excluding that diagnosis. This study evaluated a series of such patients with functional esophagogastric junction (EGJ) obstruction...
  27. ncbi Esophageal pressure topography criteria indicative of incomplete bolus clearance: a study using high-resolution impedance manometry
    William J Bulsiewicz
    Department of Medicine, The Feinberg School of Medicine, Northwestern University, Chicago, Illinois 60611 2951, USA
    Am J Gastroenterol 104:2721-8. 2009
    ..This study used high-resolution impedance manometry (HRIM) to determine pressure topography thresholds of peristaltic integrity predictive of incomplete esophageal bolus clearance...
  28. ncbi Acidity surrounding the squamocolumnar junction in GERD patients: "acid pocket" versus "acid film"
    John E Pandolfino
    Northwestern University s Feinberg School of Medicine, Chicago, Illinois 60611, USA
    Am J Gastroenterol 102:2633-41. 2007
    ..This study aimed to localize the gastric-to-esophageal pH transition point relative to the squamocolumnar junction (SCJ) and esophagogastric junction (EGJ) high-pressure zone in controls and GERD patients...
  29. ncbi Esophagogastric junction opening during relaxation distinguishes nonhernia reflux patients, hernia patients, and normal subjects
    John E Pandolfino
    Feinberg School of Medicine, Northwestern University, Chicago, Illinois 60611, USA
    Gastroenterology 125:1018-24. 2003
    ..Therapy focused on EGJ compliance may benefit GERD patients...
  30. ncbi Deglutitive inhibition affects both esophageal peristaltic amplitude and shortening
    Guoxiang Shi
    Department of Medicine, Northwestern University, The Feinberg School of Medicine, Chicago, Illinois, USA
    Am J Physiol Gastrointest Liver Physiol 284:G575-82. 2003
    ..Deglutitive inhibition affects both the longitudinal and circular muscle layers of the esophageal wall, and the occurrence of inhibition evident in one layer is strongly correlated with the other...
  31. ncbi GERD pathogenesis, pathophysiology, and clinical manifestations
    Peter J Kahrilas
    Division of Gastroenterology and Hepatology, Northwestern University Medical School, Chicago, Ill, USA
    Cleve Clin J Med 70:S4-19. 2003
    ..GERD is typically chronic, and while it is generally nonprogressive, some cases are associated with development of complications of increasing severity and significance...
  32. ncbi Diagnosis of symptomatic gastroesophageal reflux disease
    Peter J Kahrilas
    Department of Medicine, Section of Gastroenterology, Northwestern University Feinberg School of Medicine, Suite 1400, 676 N St Clair Street, Chicago, IL 60611-2927, USA
    Am J Gastroenterol 98:S15-23. 2003
    ..It has been shown effective in about 75% of patients, and offers a simple approach to managing the difficult-to-diagnose patient even while further diagnostic procedures are carried out...
  33. ncbi Esophagogastric junction distensibility: a factor contributing to sphincter incompetence
    John E Pandolfino
    Department of Medicine, Northwestern University Medical School, Chicago, Illinois 60611-3008, USA
    Am J Physiol Gastrointest Liver Physiol 282:G1052-8. 2002
    ....
  34. ncbi Esophagogastric junction morphology predicts susceptibility to exercise-induced reflux
    John E Pandolfino
    Northwestern University's Feinberg School of Medicine, Chicago, Illinois 60611, USA
    Am J Gastroenterol 99:1430-6. 2004
    ..The degree of exercise-induced reflux is strongly correlated with EGJ morphology and this supports the hypothesis that anatomical integrity of the EGJ is of cardinal importance in preventing strain-induced reflux...
  35. ncbi Utilizing intraluminal pressure gradients to predict esophageal clearance: a validation study
    John E Pandolfino
    Departments of Medicine, The Feinberg School of Medicine, Northwestern University, Chicago, Illinois 60611, USA
    Am J Gastroenterol 103:1898-905. 2008
    ..Esophageal bolus clearance requires a preferential esophagogastric pressure gradient sustained for a sufficient period. We aimed to validate a high-resolution manometry (HRM) paradigm for predicting bolus clearance...
  36. ncbi Quantifying EGJ morphology and relaxation with high-resolution manometry: a study of 75 asymptomatic volunteers
    John E Pandolfino
    Division of Gastroenterology, Department of Medicine, Feinberg School of Medicine, Northwestern University, 676 N St Clair Street, Suite 1400, Chicago, IL 60611, USA
    Am J Physiol Gastrointest Liver Physiol 290:G1033-40. 2006
    ..In addition to providing conventional EGJ relaxation parameters, this technology also creates opportunities to quantify more precise measures of EGJ relaxation and morphology...
  37. ncbi Radiofrequency therapy of the lower esophageal sphincter for treatment of GERD
    Peter J Kahrilas
    Department of Medicine, Division of Gastroenterology, Northwestern University, Feinberg School of Medicine, Chicago, Illinois 60611, USA
    Gastrointest Endosc 57:723-31. 2003
  38. ncbi Deglutitive upper esophageal sphincter relaxation: a study of 75 volunteer subjects using solid-state high-resolution manometry
    Sudip K Ghosh
    Northwestern University, Feinberg School of Medicine, Div of Gastroenterology, Dept of Medicine, 676 N St Clair St, Suite 1400, Chicago, IL 60611, USA
    Am J Physiol Gastrointest Liver Physiol 291:G525-31. 2006
    ..Normative values were established to aid in future clinical and investigative studies...
  39. ncbi Transient lower esophageal sphincter relaxations and reflux: mechanistic analysis using concurrent fluoroscopy and high-resolution manometry
    John E Pandolfino
    Department of Medicine, The Feinberg School of Medicine, Northwestern University, Chicago, Illinois 60611, USA
    Gastroenterology 131:1725-33. 2006
    ....
  40. ncbi High-resolution manometry of the EGJ: an analysis of crural diaphragm function in GERD
    John E Pandolfino
    Department of Medicine, The Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
    Am J Gastroenterol 102:1056-63. 2007
    ..This study compared CD function of subjects with and without gastroesophageal reflux disease (GERD)...
  41. ncbi Impaired deglutitive EGJ relaxation in clinical esophageal manometry: a quantitative analysis of 400 patients and 75 controls
    Sudip K Ghosh
    Dept of Medicine, Feinberg School of Medicine, Northwestern Univ, Chicago, IL 60611, USA
    Am J Physiol Gastrointest Liver Physiol 293:G878-85. 2007
    ....
  42. ncbi Utilizing intraluminal pressure differences to predict esophageal bolus flow dynamics
    Sudip K Ghosh
    Department of Medicine, Northwestern University, Feinberg School of Medicine, Division of Gastroenterology, Chicago, IL 60611, USA
    Am J Physiol Gastrointest Liver Physiol 293:G1023-8. 2007
    ..This may help predict abnormal bolus transit and the underlying mechanical properties of the EGJ...
  43. ncbi Oropharyngeal swallow in younger and older women: videofluoroscopic analysis
    Jeri A Logemann
    Department of Communication Sciences and Disorders, Northwestern University, Evanston, IL 60208, USA
    J Speech Lang Hear Res 45:434-45. 2002
    ..Older women also exhibited an increased range of motion relative to the old men. This increase may indicate a compensation for aging effects not seen in older men...
  44. ncbi Quantifying esophageal peristalsis with high-resolution manometry: a study of 75 asymptomatic volunteers
    Sudip K Ghosh
    Division of Gastroenterology, Department of Medicine, Feinberg School of Medicine, Northwestern University, 676 N St Clair Street, Suite 1400, Chicago, IL 60611, USA
    Am J Physiol Gastrointest Liver Physiol 290:G988-97. 2006
    ....
  45. ncbi Ambulatory esophageal pH monitoring using a wireless system
    John E Pandolfino
    Northwestern University Feinberg School of Medicine, Chicago, Illinois 60611-3008, USA
    Am J Gastroenterol 98:740-9. 2003
    ..The 95th percentile for the 2-day recordings in control subjects was 5.3%, slightly higher than observed with conventional systems...
  46. ncbi Absence of a deglutitive inhibition equivalent with secondary peristalsis
    John E Pandolfino
    Division of Gastroenterology, Dept of Medicine, Northwestern Univ Feinberg School of Medicine, Suite 1400, 676 N St Clair St, Chicago, IL 60611, USA
    Am J Physiol Gastrointest Liver Physiol 288:G671-6. 2005
    ..Being that the elicitation of SP in the smooth muscle esophagus is intramurally mediated, this suggests that deglutitive inhibition is a centrally mediated phenomenon rather than an intrinsic property of peristalsis...
  47. ncbi Hyperdynamic upper esophageal sphincter pressure: a manometric observation in patients reporting globus sensation
    Monika A Kwiatek
    Division of Gastroenterology, Department of Medicine, The Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
    Am J Gastroenterol 104:289-98. 2009
    ....
  48. ncbi New technologies in the gastrointestinal clinic and research: impedance and high-resolution manometry
    John E Pandolfino
    Division of Gastroenterology, Department of Medicine, Northwestern University Feinberg School of Medicine, 676 N St Clair Street, Suite 1400, Chicago, Illinois 60611, USA
    World J Gastroenterol 15:131-8. 2009
    ..This review describes the potential benefits that these new technologies may have over conventional techniques for the evaluation of dysphagia...
  49. ncbi Prolonged pH monitoring: Bravo capsule
    John E Pandolfino
    Department of Medicine, Northwestern University, The Feinberg School of Medicine, 676 N St Clair Street, Suite 1400, Chicago, IL 60611, USA
    Gastrointest Endosc Clin N Am 15:307-18. 2005
    ..Further refinements in methodology and recording protocol are likely to be made, which will improve diagnostic accuracy and lower cost...
  50. ncbi Classifying esophageal motility by pressure topography characteristics: a study of 400 patients and 75 controls
    John E Pandolfino
    Department of Medicine, The Feinberg School of Medicine, Northwestern University, Chicago, Illinois 60611, USA
    Am J Gastroenterol 103:27-37. 2008
    ..This study aimed to devise a scheme for the systematic analysis of esophageal high-resolution manometry (HRM) studies displayed using topographic plotting...
  51. ncbi The pathophysiologic basis for epidemiologic trends in gastroesophageal reflux disease
    John E Pandolfino
    Division of Gastroenterology, Department of Medicine, Northwestern University s Feinberg School of Medicine, 676 North St Clair Street, Suite 1400, Chicago, IL 60611, USA
    Gastroenterol Clin North Am 37:827-43, viii. 2008
    ..This article explores the interplay between pathophysiology and epidemiology by focusing on these risk factors and their potential effect on GERD pathogenesis...
  52. ncbi Esophagogastric junction distensibility assessed with an endoscopic functional luminal imaging probe (EndoFLIP)
    Monika A Kwiatek
    Department of Medicine, Northwestern University, Feinberg School of Medicine, Chicago, Illinois 60611 2951, USA
    Gastrointest Endosc 72:272-8. 2010
    ..Increased esophagogastric junction (EGJ) compliance is a key abnormality in GERD leading to increased volumes of reflux. To date, EGJ distensibility has been measured only with investigational barostat-based prototype devices...
  53. ncbi Comparison of the Bravo wireless and Digitrapper catheter-based pH monitoring systems for measuring esophageal acid exposure
    John E Pandolfino
    Department of Medicine, The Feinberg School of Medicine, Northwestern University, Chicago, Illinois 60611, USA
    Am J Gastroenterol 100:1466-76. 2005
    ..Accuracy of pH data sets from both systems can be improved by scrutiny for artifacts and use of an in vivo pH reference...
  54. ncbi Relationship between manometric and videofluoroscopic measures of swallow function in healthy adults and patients treated for head and neck cancer with various modalities
    Barbara Roa Pauloski
    Communication Sciences and Disorders, Northwestern University, 2240 Campus Drive, Evanston, IL 60208 3540, USA
    Dysphagia 24:196-203. 2009
    ....
  55. ncbi Editorial: just how "difficult" is it to withdraw PPI treatment?
    Colin W Howden
    Division of Gastroenterology, Northwestern University Feinberg School of Medicine, 676 N St Clair Street, Suite 1400, Chicago, IL 60611 2951, USA
    Am J Gastroenterol 105:1538-40. 2010
    ..However, as with all drugs, PPIs should be dosed appropriately, and should be reserved for patients with conditions for which there is clear evidence of benefit from therapy...
  56. ncbi Four-day Bravo pH capsule monitoring with and without proton pump inhibitor therapy
    Ikuo Hirano
    Division of Gastroenterology and Hepatology, Northwestern University Feinberg School of Medicine, 676 North St Clair Street, Chicago, IL 60611 2951, USA
    Clin Gastroenterol Hepatol 3:1083-8. 2005
    ..The aim of the present study was to determine the feasibility of 4-day pH recordings using a pH system that would encompass time periods both before and during PPI therapy...
  57. ncbi Unique features of esophagogastric junction pressure topography in hiatus hernia patients with dysphagia
    John E Pandolfino
    Department of Medicine, Division of Gastroenterology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
    Surgery 147:57-64. 2010
    ....
  58. ncbi Achalasia: a new clinically relevant classification by high-resolution manometry
    John E Pandolfino
    Northwestern University, The Feinberg School of Medicine, Department of Medicine, Chicago, Illinois, USA
    Gastroenterology 135:1526-33. 2008
    ..This study aimed to compare the clinical characteristics and treatment response of these 3 subtypes...
  59. ncbi Achalasia treatment: improved outcome of laparoscopic myotomy with operative manometry
    Jennifer R Chapman
    Surgical Service, Veterans Affairs Chicago Health Care System-Lakeside Division, and Department of Surgery, Northwestern Memorial Hospital, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
    Arch Surg 139:508-13; discussion 513. 2004
    ..Laparoscopic myotomy improves quality of life and dysphagia symptoms and may be the treatment of choice in most patients with achalasia...
  60. ncbi Comparison of inter- and intraobserver consistency for grading of esophagitis by expert and trainee endoscopists
    John E Pandolfino
    Northwestern University Medical School, Chicago, Illinois 60611, USA
    Gastrointest Endosc 56:639-43. 2002
    ..2%). CONCLUSIONS: Reproducibility in grading esophagitis was good for both expert endoscopists and fellows, although there was greater consistency among the experts. Both the Los Angeles and Hetzel-Dent scoring systems are reproducible...
  61. ncbi Obesity: a challenge to esophagogastric junction integrity
    John E Pandolfino
    Department of Medicine, Northwestern University, The Feinberg School of Medicine, Chicago, Illinois, USA
    Gastroenterology 130:639-49. 2006
    ..CONCLUSIONS: Obese subjects are more likely to have EGJ disruption (leading to hiatal hernia) and an augmented GEPG providing a perfect scenario for reflux to occur. Whether or not weight loss can reverse these abnormalities is unknown...
  62. ncbi Conferencia magistral oropharyngeal disorders: diagnosis and treatment
    Peter J Kahrilas
    Northwestern University, Chicago, Illinois, USA
    Rev Gastroenterol Mex 68:34-9. 2003
    ..Until further well designed studies in clearly defined subsets of patients are conducted, the decision about myotomy will remain empirical after informing the patient of the risk and possible, but unproven, benefit...
  63. ncbi The economics of laparoscopic Nissen fundoplication
    Christopher A Dire
    Department of Medicine, University of Washington School of Medicine, Seattle, WA, USA
    Clin Gastroenterol Hepatol 1:328-32. 2003
    ..LNF cost is impacted greatly by the cost of associated complications. Based on these data, LNF does not appear to significantly reduce the direct cost of health care for GERD patients on a population basis...
  64. ncbi Has high-resolution manometry changed the approach to esophageal motility disorders?
    Ajay Bansal
    Department of Medicine, Veterans Affairs Medical Center and University of Kansas, Kansas City, Missouri, USA
    Curr Opin Gastroenterol 26:344-51. 2010
    ..The purpose of the current review is to discuss the salient advantages of HRM that are likely to change the clinical practice of manometry...
  65. ncbi Effects of voluntary maneuvers on tongue base function for swallowing
    Cathy Lazarus
    Veterans Administration Lakeside Medical Center, Northwestern University Medical School, Chicago, Ill, USA
    Folia Phoniatr Logop 54:171-6. 2002
    ..Preliminary data are provided to support the use of swallow maneuvers to improve tongue base posterior motion and pressures generated at the tongue base-pharyngeal wall level during swallowing in patients who exhibit this disorder...
  66. ncbi Medical management of Barrett's esophagus
    Thomas J Lee
    Division of Gastroenterology, Northwestern University, The Feinberg School of Medicine, Chicago, IL 60611, USA
    Gastrointest Endosc Clin N Am 13:405-18. 2003
    ..The optimal management of HGD, however, remains controversial, as evidenced by the multitude of ablation therapies that have been introduced recently. These techniques will be discussed in depth in subsequent articles in this volume...
  67. ncbi GERD pathophysiology: the importance of acid control
    Peter J Kahrilas
    Northwestern University, Chicago IL, USA
    Rev Gastroenterol Mex 68:14-9. 2003
    ..Patients on effective maintenance therapy may opt to have elective antireflux surgery after a thorough discussion of the associated risks and benefits...
  68. ncbi American Gastroenterological Association medical position statement: Clinical use of esophageal manometry
    John E Pandolfino
    Northwestern University, Chicago, Illinois, USA
    Gastroenterology 128:207-8. 2005
  69. ncbi AGA technical review on the clinical use of esophageal manometry
    John E Pandolfino
    Northwestern University, Chicago, Illinois, USA
    Gastroenterology 128:209-24. 2005
  70. ncbi Endoluminal therapy for gastroesophageal reflux disease: is the evidence for efficacy any stronger?
    Thomas J Lee
    Feinberg School of Medicine, Division of Gastroenterology, Department of Medicine, Northwestern University, Chicago, IL 60611, USA
    Curr Gastroenterol Rep 7:202-6. 2005
    ..This review examines published reports of endoluminal reflux therapies from January 2004 to January 2005. After another year, there are still no compelling data supporting the efficacy of any of the available endoluminal treatments...
  71. ncbi Bravo capsule placement in the gastric cardia: a novel method for analysis of proximal stomach acid environment
    John E Pandolfino
    Division of Gastroenterology, Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, Illinois 60611, USA
    Am J Gastroenterol 100:1721-7. 2005
    ..Instantaneous cardia pH defines the potential nadir esophageal pH during reflux events...
  72. ncbi American Gastroenterological Association Medical Position Statement on the management of gastroesophageal reflux disease
    Peter J Kahrilas
    Department of Medicine, Gastroenterology Division, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
    Gastroenterology 135:1383-1391, 1391.e1-5. 2008
  73. ncbi Effectiveness of esophageal dilation for symptomatic cricopharyngeal bar
    Andrew Y Wang
    Divison of Gastroenterology, Department of Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611-3008, USA
    Gastrointest Endosc 61:148-52. 2005
    ..CONCLUSIONS: CP bar is an important cause of dysphagia in elderly patients. Esophageal dilation of a CP bar can produce long-term relief of dysphagia...
  74. ncbi American Gastroenterological Association Institute technical review on the management of gastroesophageal reflux disease
    Peter J Kahrilas
    Department of Medicine, Gastroenterology Division, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
    Gastroenterology 135:1392-1413, 1413.e1-5. 2008
  75. ncbi A randomized, comparative trial of a potassium-competitive acid blocker (AZD0865) and esomeprazole for the treatment of patients with nonerosive reflux disease
    John Dent
    Department of Gastroenterology and Hepatology, Royal Adelaide Hospital, Adelaide, Australia
    Am J Gastroenterol 103:20-6. 2008
    ..This double-blind, randomized, multicenter study investigated the efficacy and safety of AZD0865 in the treatment of patients with nonerosive reflux disease (NERD)...
  76. ncbi Patterns of esophageal inhibition during swallowing, pharyngeal stimulation, and transient LES relaxation. Lower esophageal sphincter
    Philippe Pouderoux
    Service d Hépato Gastroentérologie et Alcoologie, Hopital Caremeau, Centre Hospitalier et Universitaire de Nimes, 30900 France
    Am J Physiol Gastrointest Liver Physiol 284:G242-7. 2003
    ..We conclude that LES relaxation is a necessary but not sufficient condition for reflux. LES relaxation and esophageal body inhibition are independent events that may be concurrent (swallowing) or dissociated (tLESR)...
  77. ncbi When proton pump inhibitors fail
    Peter J Kahrilas
    Clin Gastroenterol Hepatol 6:482-3. 2008
  78. ncbi Esomeprazole (40 mg) compared with lansoprazole (30 mg) in the treatment of erosive esophagitis
    Donald O Castell
    Department of Gastroenterology and Hepatology, Medical University of South Carolina, Charleston 29425, USA
    Am J Gastroenterol 97:575-83. 2002
    ..CONCLUSIONS: Esomeprazole (40 mg) is more effective than lansoprazole (30 mg) in healing erosive esophagitis and resolving heartburn. Healing rates are consistently high with esomeprazole, irrespective of baseline disease severity...
  79. ncbi The mechanical basis of impaired esophageal emptying postfundoplication
    Sudip K Ghosh
    Department of Mechanical Engineering, The Pennsylvania State University, University Park, Pennsylvania, University Park, PA 16802, USA
    Am J Physiol Gastrointest Liver Physiol 289:G21-35. 2005
    ..Immobilization of the intrinsic sphincter by the surgical procedure may contribute to this deficiency, impaired emptying, and possibly, dysphagia...
  80. ncbi Endoscopic appraisal of the gastroesophageal valve after antireflux surgery
    Blair A Jobe
    Department of Surgery, Oregon Health and Science University, Portland, Oregon, USA
    Am J Gastroenterol 99:233-43. 2004
    ..These criteria can be employed when evaluating upper gastrointestinal complaints after antireflux surgery and may ultimately serve as a dependable outcome measure...
  81. ncbi Endoscopic measurement of cardia circumference as an indicator of GERD
    Ann K Seltman
    Department of Surgery, Oregon Health and Science University, Portland, Oregon, USA
    Gastrointest Endosc 63:22-31. 2006
    ..This finding augments our understanding of the anatomic contributions of the esophagogastric junction in the pathogenesis of GERD. Cardia measurement may prove to be a useful diagnostic tool...
  82. ncbi Magnetic enhancement of the lower esophageal sphincter
    Peter J Kahrilas
    Gastrointest Endosc 67:295-6. 2008
  83. ncbi Dilated intercellular spaces: extending the reach of the endoscope
    Peter J Kahrilas
    Am J Gastroenterol 100:549-50. 2005
    ..The other study demonstrated that DIS resolved with effective GERD therapy in essentially every instance. Both studies suggest that DIS are an objective structural marker of endoscopy-negative reflux disease...
  84. ncbi Radiofrequency energy treatment of GERD
    Peter J Kahrilas
    Gastroenterology 125:970-3. 2003
  85. ncbi Ineffective esophageal motility does not equate to GERD
    Peter J Kahrilas
    Am J Gastroenterol 98:715-7. 2003
  86. ncbi EUS characteristics of Nissen fundoplication: normal appearance and mechanisms of failure
    Deepak V Gopal
    Section of Gastroenterology and Hepatology, University of Wisconsin-Hospitals and Clinics, Madison, Wisconsin, USA
    Gastrointest Endosc 63:35-44. 2006
    ..EUS may enable a precise determination of the anatomic causes of failure after antireflux surgery...
  87. ncbi Canadian Consensus Conference on the management of gastroesophageal reflux disease in adults - update 2004
    David Armstrong
    Division of Gastroenterology, McMaster University, Hamilton
    Can J Gastroenterol 19:15-35. 2005
    ..Since the last Canadian Consensus Conference in 1996, GERD management has evolved substantially...

Research Grants10

  1. THE ESOPHAGOGASTRIC JUNCTION IN HEALTH AND DISEASE
    Peter Kahrilas; Fiscal Year: 2007
    ..A future direction for this research group will be to devise and test a "corrective intervention" based on those physiological objectives. ..
  2. THE ESOPHAGOGASTRIC JUNCTION IN HEALTH AND DISEASE
    Peter Kahrilas; Fiscal Year: 2009
    ..A future direction for this research group will be to devise and test a "corrective intervention" based on those physiological objectives. ..
  3. THE ESOPHAGOGASTRIC JUNCTION IN HEALTH AND DISEASE
    Peter Kahrilas; Fiscal Year: 2005
    ..abstract_text> ..
  4. THE ESOPHAGOGASTRIC JUNCTION IN HEALTH AND DISEASE
    Peter James Kahrilas; Fiscal Year: 2010
    ..A future direction for this research group will be to devise and test a "corrective intervention" based on those physiological objectives. ..