Amnon Sonnenberg

Summary

Affiliation: Oregon Health and Science University
Country: USA

Publications

  1. doi Complications following gastrointestinal bleeding and their impact on outcome and death
    Amnon Sonnenberg
    Portland VA Medical Center, SW US Veterans Hospital Road, Portland, OR 97239, USA
    Eur J Gastroenterol Hepatol 24:388-92. 2012
  2. pmc Competing influences in the management of gastrointestinal bleeding
    Amnon Sonnenberg
    Department of Gastroenterology, Portland VA Medical Center and Oregon Health and Science University, Portland, Oregon, USA
    Clin Transl Gastroenterol 3:e8. 2012
  3. ncbi U.S. hospitalizations for colorectal cancer 1970-2010
    Amnon Sonnenberg
    Portland VA Medical Center P3 GI, 3710 SW U S Veterans Hospital Road, Portland, OR, 97239, USA
    Dig Dis Sci 59:282-6. 2014
  4. doi Lymphocytic and collagenous colitis: epidemiologic differences and similarities
    Amnon Sonnenberg
    Department of Gastroenterology, Portland VA Medical Center P3 GI, 3710 SW US Veterans Hospital Road, Portland, OR, 97239, USA
    Dig Dis Sci 58:2970-5. 2013
  5. doi Review article: historic changes of Helicobacter pylori-associated diseases
    A Sonnenberg
    Portland VA Medical Center, Oregon Health and Science University, Portland, OR 97239, USA
    Aliment Pharmacol Ther 38:329-42. 2013
  6. doi Barrett's metaplasia and colonic neoplasms: a significant association in a 203,534-patient study
    Amnon Sonnenberg
    Gastroenterology, Portland VA Medical Center P3 GI, 3710 SW US Veterans Hospital Road, Portland, OR 97239, USA
    Dig Dis Sci 58:2046-51. 2013
  7. doi How to catch a suspicious bleeding site in flagrante
    Amnon Sonnenberg
    The Portland VA Medical Center, P3 GI, 3710 SW US Veterans Hospital Road, Portland, OR 97239, USA
    Dig Dis Sci 58:1194-7. 2013
  8. doi Helicobacter pylori is a risk factor for colonic neoplasms
    Amnon Sonnenberg
    Gastroenterology, Portland VA Medical Center P3 GI, 3710 SW US Veterans Hospital Road, Portland, Oregon 97239, USA
    Am J Gastroenterol 108:208-15. 2013
  9. doi Effects of birth cohort on long-term trends in mortality from colorectal cancer
    Amnon Sonnenberg
    Portland VA Medical Center, Oregon Health and Science University, Portland, OR, USA
    Clin Gastroenterol Hepatol 10:1389-94. 2012
  10. doi Geographic distributions of microscopic colitis and inflammatory bowel disease in the United States
    Amnon Sonnenberg
    Portland VA Medical Center, Portland, Oregon 97239, USA
    Inflamm Bowel Dis 18:2288-93. 2012

Collaborators

Detail Information

Publications110 found, 100 shown here

  1. doi Complications following gastrointestinal bleeding and their impact on outcome and death
    Amnon Sonnenberg
    Portland VA Medical Center, SW US Veterans Hospital Road, Portland, OR 97239, USA
    Eur J Gastroenterol Hepatol 24:388-92. 2012
    ..A mathematical model has been developed to gain insights into how, after an initial event of upper gastrointestinal bleeding, complications can accumulate in individual patients and expose them to an increased risk of death...
  2. pmc Competing influences in the management of gastrointestinal bleeding
    Amnon Sonnenberg
    Department of Gastroenterology, Portland VA Medical Center and Oregon Health and Science University, Portland, Oregon, USA
    Clin Transl Gastroenterol 3:e8. 2012
    ..The aim of the present study is to analyze which set of factors ultimately exerts the largest and most lasting influence on the disease process...
  3. ncbi U.S. hospitalizations for colorectal cancer 1970-2010
    Amnon Sonnenberg
    Portland VA Medical Center P3 GI, 3710 SW U S Veterans Hospital Road, Portland, OR, 97239, USA
    Dig Dis Sci 59:282-6. 2014
    ..The occurrence of colorectal cancer has been declining in the United States. The aim of the present study was to confirm such time trends using hospitalization data for colorectal cancer from the past four decades...
  4. doi Lymphocytic and collagenous colitis: epidemiologic differences and similarities
    Amnon Sonnenberg
    Department of Gastroenterology, Portland VA Medical Center P3 GI, 3710 SW US Veterans Hospital Road, Portland, OR, 97239, USA
    Dig Dis Sci 58:2970-5. 2013
    ..Our aim was to search for epidemiologic differences among its various histopathologic subtypes...
  5. doi Review article: historic changes of Helicobacter pylori-associated diseases
    A Sonnenberg
    Portland VA Medical Center, Oregon Health and Science University, Portland, OR 97239, USA
    Aliment Pharmacol Ther 38:329-42. 2013
    ..The long-term time trends of multiple gastrointestinal diseases are characterised by a striking rise and fall. These temporal changes provide important clues about disease aetiology...
  6. doi Barrett's metaplasia and colonic neoplasms: a significant association in a 203,534-patient study
    Amnon Sonnenberg
    Gastroenterology, Portland VA Medical Center P3 GI, 3710 SW US Veterans Hospital Road, Portland, OR 97239, USA
    Dig Dis Sci 58:2046-51. 2013
    ..The presence of an association between Barrett's metaplasia and colonic neoplasia has remained controversial. The aim of the study was to test the presence of this association, using a large national database...
  7. doi How to catch a suspicious bleeding site in flagrante
    Amnon Sonnenberg
    The Portland VA Medical Center, P3 GI, 3710 SW US Veterans Hospital Road, Portland, OR 97239, USA
    Dig Dis Sci 58:1194-7. 2013
    ..In search for a source of gastrointestinal bleeding, endoscopy frequently reveals mucosal lesions of questionable dignity...
  8. doi Helicobacter pylori is a risk factor for colonic neoplasms
    Amnon Sonnenberg
    Gastroenterology, Portland VA Medical Center P3 GI, 3710 SW US Veterans Hospital Road, Portland, Oregon 97239, USA
    Am J Gastroenterol 108:208-15. 2013
    ..pylori) constitutes a risk for the development of adenomatous polyps and adenocarcinoma of the colon. Our aim was to study the association between H. pylori-positive gastritis and the occurrence of any colonic neoplasm...
  9. doi Effects of birth cohort on long-term trends in mortality from colorectal cancer
    Amnon Sonnenberg
    Portland VA Medical Center, Oregon Health and Science University, Portland, OR, USA
    Clin Gastroenterol Hepatol 10:1389-94. 2012
    ..We examined long-term time trends in colorectal cancer mortality in 6 European countries to determine when the reduction began...
  10. doi Geographic distributions of microscopic colitis and inflammatory bowel disease in the United States
    Amnon Sonnenberg
    Portland VA Medical Center, Portland, Oregon 97239, USA
    Inflamm Bowel Dis 18:2288-93. 2012
    ..We used a large database of pathology reports to analyze the geographic distribution of microscopic colitis (MC) and compare it with those of UC and CD...
  11. doi Occupational mortality associated with inflammatory bowel disease in the United States 1984-1998
    Amnon Sonnenberg
    Department of Veterans Affairs Medical Center, Portland, Oregon, USA
    Inflamm Bowel Dis 18:1249-53. 2012
    ..Many such environmental risk factors vary potentially with occupational exposure. We used a large national database to study the occupational variation of mortality associated with CD and UC...
  12. doi Management of delayed postpolypectomy bleeding: a decision analysis
    Amnon Sonnenberg
    Portland VA Medical Center and Oregon Health and Science University, Portland, Oregon 97239, USA
    Am J Gastroenterol 107:339-42. 2012
    ..The benefit of repeat colonoscopy in managing delayed postpolypectomy bleeding is unknown. This study aimed to assess the outcome of repeat colonoscopy to achieve hemostasis...
  13. doi Low prevalence of Helicobacter pylori infection among patients with inflammatory bowel disease
    A Sonnenberg
    Division of Gastroenterology and Hepatology, Portland VA Medical Center and Oregon Health and Science University, 3710 SW U S Veterans Hospital Road, Portland, OR 97239, USA
    Aliment Pharmacol Ther 35:469-76. 2012
    ..There is some preliminary evidence to suggest that patients with inflammatory bowel disease (IBD) are less frequently infected with Helicobacter pylori than the general population...
  14. doi Test sequence in the management of gastrointestinal bleeding
    A Sonnenberg
    Portland VA Medical Center and Oregon Health and Science University, Portland, Oregon 97239, USA
    Endoscopy 44:43-7. 2012
    ..A large variety of test procedures is available to diagnose and treat patients with suspected gastrointestinal bleeding. The aim of the study was to investigate which test sequence should be utilized in managing gastrointestinal bleeding...
  15. doi Diminishing returns in sequential interventions of gastroenterology
    Amnon Sonnenberg
    Gastroenterology Section, Portland VA Medical Center, US Veterans Hospital Road, Portland, Oregon, USA
    Eur J Gastroenterol Hepatol 20:465-8. 2008
    ..As the achievement of perfect health constitutes an unattainable goal, a sequence of gastroenterological interventions should not be continued much further beyond its initial success...
  16. doi Date of birth in the occurrence of inflammatory bowel disease
    Amnon Sonnenberg
    Portland VA Medical Center, Portland, Oregon 97239, USA
    Inflamm Bowel Dis 15:206-11. 2009
    ..The aims of the study were to investigate the seasonal and monthly variations of birth dates among patients with Crohn's disease (CD) and ulcerative colitis (UC)...
  17. doi Environmental influence in ulcerative colitis starts in early childhood
    A Sonnenberg
    Gastroenterology, Portland VA Medical Center P3 GI, 3710 SW U S Veterans Hospital Road, Portland, Oregon 97239, USA
    J Epidemiol Community Health 62:992-4. 2008
    ..The present analysis served to address the question at what age environmental factors start to exert their influence on the occurrence of ulcerative colitis...
  18. doi Birth-cohort patterns of mortality from ulcerative colitis and peptic ulcer
    Amnon Sonnenberg
    Portland VA Medical Center and the Oregon Health and Science University, Portland, OR 97239, USA
    Ann Epidemiol 18:813-9. 2008
    ..The aim was to follow the time trends of mortality from ulcerative colitis and compare them with those of gastric and duodenal ulcer...
  19. doi Diagnostic ascertainment of suspicious pancreatic mass: a threshold analysis
    Amnon Sonnenberg
    Portland VA Medical Center, Portland, Oregon 97239, USA
    Clin Gastroenterol Hepatol 6:1162-6. 2008
    ..It is frequently difficult to differentiate between a benign and malignant pancreatic mass. The aim of this study was to assess the parameters that affect the decision to perform surgery on a suspicious pancreatic head lesion...
  20. doi Hospitalization for inflammatory bowel disease in the United States between 1970 and 2004
    Amnon Sonnenberg
    Portland VA Medical Center daggerOregon Health and Science University, Portland, OR 97239, USA
    J Clin Gastroenterol 43:297-300. 2009
    ..The aim of the study was to use hospitalization data for the analysis of inflammatory bowel disease time trends in the United States...
  21. ncbi Seasonal variation of enteric infections and inflammatory bowel disease
    Amnon Sonnenberg
    Portland VA Medical Center P3 GI, 3710 SW US Veterans Hospital Road, Portland, OR 97239, USA
    Inflamm Bowel Dis 14:955-9. 2008
    ..The aim of the present study was to test whether these variations might be related to exacerbations of inflammatory bowel disease secondary to superimposed gastrointestinal infection...
  22. ncbi Time trends of physician visits for Crohn's disease and ulcerative colitis in the United States, 1960-2006
    Amnon Sonnenberg
    Portland VA Medical Center and the Oregon Health and Science University, Portland, OR 97239, USA
    Inflamm Bowel Dis 14:249-52. 2008
    ..The purpose of this study was to analyze physician visits associated with inflammatory bowel disease in the United States in order to shed light on the underlying disease time trends in the United States...
  23. ncbi Time trends of ulcer mortality in Europe
    Amnon Sonnenberg
    Division of Gastroenterology, Portland VA Medical Center, Portland, Oregon 97239, USA
    Gastroenterology 132:2320-7. 2007
    ....
  24. ncbi Time trends of mortality from Crohn's disease and ulcerative colitis
    Amnon Sonnenberg
    Gastroenterology, Portland VA Medical Center, Oregon Health and Science University, Portland, OR 97239, USA
    Int J Epidemiol 36:890-9. 2007
    ..The present study served to test whether Crohn's disease and ulcerative colitis showed similarities in the temporal variation of their mortality rates among different countries...
  25. ncbi Why is academic medicine run by former C-students?
    Amnon Sonnenberg
    Portland VA Medical Center P3 GI, Oregon Health and Science University, 3710 SW U S Veterans Hospital Road, Portland, OR 97239, USA
    Med Hypotheses 69:218-20. 2007
    ..Physicians with few talents and lots of time to spare will accumulate in administration and politics, whereas those with talents and little time will remain committed to biomedical research or clinical practice...
  26. ncbi Similar geographic variations in mortality from peptic ulcer and inflammatory bowel disease
    Amnon Sonnenberg
    Portland VA Medical Center and Oregon Health and Science University, Portland, Oregon OR 97239, USA
    Inflamm Bowel Dis 13:763-8. 2007
    ..The epidemiology of peptic ulcer and inflammatory bowel disease shows many similar patterns. The aim of the present study was to compare the geographic distribution of mortality from peptic ulcer with that from inflammatory bowel disease...
  27. ncbi Vicious circles in inflammatory bowel disease
    Amnon Sonnenberg
    From the Portland VA Medical Center and Oregon Health and Science University, Portland, Oregon 97239, USA
    Inflamm Bowel Dis 12:944-9. 2006
    ..The aim of the study is to test the usefulness of influence diagrams in resolving conflicts centered on managing complex disease processes...
  28. ncbi Causes underlying the birth-cohort phenomenon of peptic ulcer: analysis of mortality data 1911-2000, England and Wales
    Amnon Sonnenberg
    Portland VA Medical Center P3 GI, 3710 SW US Veterans Hospital Road, OR 97239, USA
    Int J Epidemiol 35:1090-7. 2006
    ..The study aim is to present a mathematical model of H. pylori epidemiology that explains the peculiar long-term trends of ulcer disease...
  29. ncbi Personal view: the paradox of runaway competitions in gastroenterology
    A Sonnenberg
    Portland VA Medical Center and Oregon Health and Science University, Portland, 97239, USA
    Aliment Pharmacol Ther 23:871-8. 2006
    ..Ultimately, each player tries to outdo the opponent while heading in the wrong direction. Recognizing the hallmarks of the game of prisoner's dilemma may help gastroenterologists to avoid such competitions...
  30. doi Hospitalizations for inflammatory bowel disease among US military veterans 1975-2006
    Amnon Sonnenberg
    Portland VA Medical Center and Oregon Health and Science University AS, P3 GI, 3710 SW US Veterans Hospital Road, Portland, OR 97239, USA
    Dig Dis Sci 54:1740-5. 2009
    ..The Department of Veterans Affairs (VA) is the largest healthcare system in the United States. The VA database was used to analyze patterns of hospitalization for inflammatory bowel disease (IBD) among US military veterans...
  31. doi Hospitalization for achalasia in the United States 1997-2006
    Amnon Sonnenberg
    Portland VA Medical Center, Oregon Health and Science University, P3 GI, 3710 SW US Veterans Hospital Road, Portland, OR 97239, USA
    Dig Dis Sci 54:1680-5. 2009
    ..The Nationwide Inpatient Sample (NIS) of the Healthcare Cost and Utilization Project (HCUP) was used to study the demographic characteristics of achalasia patients...
  32. doi Effects of environment and lifestyle on gastroesophageal reflux disease
    Amnon Sonnenberg
    Portland VA Medical Center, Oregon Health and Science University, Portland, Oreg, USA
    Dig Dis 29:229-34. 2011
    ..The occurrence of GERD is shaped by marked temporal and geographic variations, suggesting the influence of environmental risk factors in the etiology of these diseases...
  33. doi Gambles of gastroenterology
    Amnon Sonnenberg
    Portland VA Medical Center Oregon Health and Science University, Portland, Oregon 97239, USA
    Eur J Gastroenterol Hepatol 23:651-5. 2011
    ..The probability of achieving cure depends on the interplay between the patient's initial health status and the expected efficacy of the gastroenterological interventions...
  34. doi Birth cohort patterns of gastric cancer and peptic ulcer among non-whites in the USA
    Amnon Sonnenberg
    Gastroenterology, Portland VA Medical Center, Portland, OR 97239, USA
    J Epidemiol Community Health 65:1059-64. 2011
    ..It was hypothesised that the time trends among different ethnic groups would be shaped by similar birth cohort patterns...
  35. pmc Absence of focally enhanced gastritis in macaques with idiopathic colitis
    Amnon Sonnenberg
    Portland VA Medical Center, Portland, Oregon Oregon Health and Science University, Portland, Oregon, USA
    Inflamm Bowel Dis 17:2456-61. 2011
    ..The study aim was to test whether idiopathic colitis in macaques was associated with any characteristic changes of the gastric mucosa resembling similar changes in humans...
  36. doi Time trends of mortality from gastric cancer in Europe
    Amnon Sonnenberg
    The Oregon Health and Science University, and Portland VA Medical Center, Portland, OR 97239, USA
    Dig Dis Sci 56:1112-8. 2011
    ..The time trends of gastric and duodenal ulcer disease are shaped by a birth-cohort phenomenon...
  37. doi When to stop the search for an elusive source of gastrointestinal bleeding
    A Sonnenberg
    Gastroenterology, Portland VA Medical Center, Portland, Oregon, USA
    Endoscopy 43:4-7. 2011
    ..This analysis investigates the clinical parameters that should drive decisions about when to continue or stop the search for an elusive source of gastrointestinal bleeding...
  38. doi Frequent occurrence of gastritis and duodenitis in patients with inflammatory bowel disease
    Amnon Sonnenberg
    Portland VA Medical Center, Portland, Oregon 97239, USA
    Inflamm Bowel Dis 17:39-44. 2011
    ..The purpose was to study the epidemiology of Helicobacter-negative gastritis among a large group of patients with inflammatory bowel disease (IBD) and healthy controls...
  39. doi A national study of Helicobactor pylori infection in gastric biopsy specimens
    Amnon Sonnenberg
    Portland VA Medical Center, Portland, Oregon 97239, USA
    Gastroenterology 139:1894-1901.e2; quiz e12. 2010
    ..We investigated whether infection with Helicobacter pylori and signs of chronic active gastritis and intestinal metaplasia in gastric biopsy samples were inversely associated with Barrett's metaplasia...
  40. doi Differences in the birth-cohort patterns of gastric cancer and peptic ulcer
    Amnon Sonnenberg
    Gastroenterology, Portland VA Medical Center P3 GI, 3710 SW U S Veterans Hospital Road, Portland, OR 97239, USA
    Gut 59:736-43. 2010
    ..The aim of this epidemiological study was to follow the time trends of mortality from gastric cancer and compare them with those of gastric and duodenal ulcer...
  41. doi Models of influence in chronic liver disease
    Amnon Sonnenberg
    Portland VA Medical Center and Oregon Health and Science University, Portland, OR, USA
    Liver Int 30:718-24. 2010
    ..The aim of the present study is to introduce a new mathematical model on how to weigh a variety of factors contributing to chronic liver disease by the relevance of their influence on the overall disease processes...
  42. doi Demographic characteristics of hospitalized IBD patients
    Amnon Sonnenberg
    Portland VA Medical Center, Oregon Health and Science University, P3 GI, 3710 SW US Veterans Hospital Road, Portland, OR 97239, USA
    Dig Dis Sci 54:2449-55. 2009
    ..The Nationwide Inpatient Sample of the Healthcare Cost and Utilization Project (HCUP) was used to study the recent demographic characteristics of patients with Crohn's disease (CD) or ulcerative colitis (UC)...
  43. doi Temporal changes in the age distribution of inflammatory bowel disease hospitalization: data from England and Scotland
    Amnon Sonnenberg
    Portland VA Medical Center and Oregon Health and Science University, P3 GI, 3710 SW US Veterans Hospital Road, Portland, OR 97239, USA
    Eur J Gastroenterol Hepatol 22:95-101. 2010
    ..The objective of the analysis was to check whether the time trends of hospitalization would show different patterns among different age groups...
  44. doi Age distribution of IBD hospitalization
    Amnon Sonnenberg
    Portland VA Medical Center and Oregon Health and Science University, Portland, OR 97239, USA
    Inflamm Bowel Dis 16:452-7. 2010
    ..The present study used hospital statistics to compare the age distribution of inflammatory bowel disease (IBD) among different countries...
  45. doi Similar geographic variations of mortality and hospitalization associated with IBD and Clostridium difficile colitis
    Amnon Sonnenberg
    Portland VA Medical Center and Oregon Health and Science University, Portland, OR 97239, USA
    Inflamm Bowel Dis 16:487-93. 2010
    ..The study served to assess whether the geographic variation of IBD within the United States might be influenced by C. difficile infection...
  46. doi Rising trends of gastric cancer and peptic ulcer in the 19th century
    A Sonnenberg
    Department of Veteran Affairs Medical Center and Oregon Health and Science University, Portland, OR, USA
    Aliment Pharmacol Ther 32:901-7. 2010
    ..The risk of dying from gastric cancer appears to have increased among consecutive generations born during the 19th century. Aim: To follow the time trends of hospitalization for gastric cancer and test whether they confirm such increase...
  47. ncbi Personal view: Why is my GI clinic filled with surgical mishaps? Post-operative syndromes as an externality problem
    A Sonnenberg
    Portland VA Medical Center and Oregon Health and Science University, Portland, OR 97239, USA
    Aliment Pharmacol Ther 22:1091-5. 2005
    ..The amount of surgical sequelae could drop, if surgeons were forced to care for all their own postsurgical syndromes or if surgery entered a joint enterprise with gastroenterology caring for the same patient pool...
  48. ncbi Prersonal view: going around in circles -- circuitous medical management plans
    A Sonnenberg
    Gastroenterology, Portland VA Medical Center and Oregon Health and Science University, Portland, OR 97239, USA
    Aliment Pharmacol Ther 19:191-5. 2004
    ..The physician may then come to realize that standing still and waiting become as effective and less costly than a lengthy circular work-up...
  49. ncbi Process and accomplishment in academic medicine
    Amnon Sonnenberg
    Gastroenterology Section, Portland VA Medical Center and Oregon Health and Science University, P3 GI, 3710 SW U S Veterans Hospital Road, Portland, OR 97239, USA
    Med Hypotheses 62:1006-11. 2004
    ..In all aging medical systems alike, the proportion of process tends to increase at the expense of accomplishment...
  50. ncbi Personal view: cost and benefit of medical rituals in gastroenterology
    A Sonnenberg
    Portland VA Medical Center and Oregon Health and Science University, Portland, OR 97239, USA
    Aliment Pharmacol Ther 20:939-42. 2004
    ..The term 'ritual' refers to the utilization of an ineffectual intervention with little chances of achieving a medically relevant goal...
  51. ncbi Review article: anti-reflux surgery and endoluminal therapies
    A Sonnenberg
    Portland VA Medical Center and Oregon Health and Science University, Portland, OR 97239, USA
    Aliment Pharmacol Ther 20:81-8; discussion 95-6. 2004
    ..All endoluminal procedures would have to undergo major technological improvements before they could become comparable with fundoplication or antisecretory therapy...
  52. ncbi Review article: trials on reflux disease -- the role of acid secretion and inhibition
    A Sonnenberg
    Portland VA Medical Center and Oregon Health and Science University, Portland, OR 97239, USA
    Aliment Pharmacol Ther 20:2-8; discussion 38-9. 2004
    ....
  53. ncbi We only see what we already know--a modified Bayes' formula to explain inherent limitations of diagnostic tests
    Amnon Sonnenberg
    Division of Gastroenterology Hepatology, The Portland VA Medical Center, P3 GI, Oregon Health and Science University, 3710 SW US Veterans Hospital Road, Portland, OR 97239, USA
    Med Hypotheses 63:759-63. 2004
    ..Testing yields the most reliable results if the test measure falls well within a tester's own level of competence. Test measures outside the tester's competence level lead to tests with worse outcome than no testing at all...
  54. ncbi Medical decision analysis of chemoprevention against esophageal adenocarcinoma
    Amnon Sonnenberg
    Portland VA Medical Center P3 G1, 3710 SW US Veterans Hospital Road, Portland, OR 97239, USA
    Gastroenterology 124:1758-66. 2003
    ..Chemoprevention of esophageal adenocarcinoma using nonsteroidal anti-inflammatory drugs (NSAIDs) may reduce the risk of cancer in patients with Barrett's esophagus. The aim of the study was to assess the cost-effectiveness of this strategy...
  55. ncbi Personal view: 'don't ask, don't tell'--the undesirable consequences of incidental test results in gastroenterology
    A Sonnenberg
    Portland VA Medical Center and Oregon Health and Science University, Portland, OR 97239, USA
    Aliment Pharmacol Ther 20:381-7. 2004
    ..Although the equilibrium does not provide the individual players with their best possible payoff, it yields the best overall outcome available to both parties given the economic and medical constraints of the situation...
  56. ncbi Patient-physician discordance about benefits and risks in gastroenterology decision-making
    A Sonnenberg
    Portland VA Medical Center and Oregon Health and Science University, Portland, OR 97239, USA
    Aliment Pharmacol Ther 19:1247-53. 2004
    ....
  57. ncbi Exploring how to tell the truth and preserve hope: can a balance between communication and empathy be calculated?
    Amnon Sonnenberg
    Portland VA Medical Center and Oregon Health and Science University, 97239, USA
    Clin Gastroenterol Hepatol 2:518-22. 2004
    ..The present study aims to analyze the relationships between hope and truth in the decision on how much information to disclose to a patient with severe gastrointestinal disease...
  58. ncbi Why do complications of gastrointestinal disease and procedures come as serial rather than singular events?
    A Sonnenberg
    Gastroenterology Section, Portland VA Medical Center, Oregon Health and Science University, Portland, OR 97239, USA
    Aliment Pharmacol Ther 21:1149-53. 2005
    ..It often appears as if complications arising from gastrointestinal disease and interventional procedures come in 'series' and 'cluster' in individual patients...
  59. ncbi Personal view: victim blaming as management strategy for the gastroenterologist--a game theoretical approach
    A Sonnenberg
    Portland VA Medical Center and Oregon Health and Science University, Portland, OR 97239, USA
    Aliment Pharmacol Ther 21:1179-84. 2005
    ..Rather than admit failure of disease management, a gastroenterologist could resort to blaming patients for their own medical conditions. Blaming the patient constitutes an easy exit strategy for otherwise unsolvable disease conditions...
  60. ncbi How to predict the future (outcome of gastrointestinal disease)
    Amnon Sonnenberg
    Portland VA Medical Center and Oregon Health and Science University, Portland, OR 97239, USA
    J Clin Gastroenterol 39:570-1. 2005
    ..These rules enable gastroenterologists to enlighten themselves, as well as their patients, about the future outcome of a given gastrointestinal disease...
  61. ncbi Personal view: passing the buck and taking a free ride -- a game-theoretical approach to evasive management strategies in gastroenterology
    A Sonnenberg
    Department of Gastroenterology, Portland VA Medical Center, Oregon Health and Science University, Portland, 97239, USA
    Aliment Pharmacol Ther 22:513-8. 2005
    ..Aim: To describe this phenomenon in terms of decision analysis and characterize the parameters affecting its occurrence...
  62. ncbi The inevitable rise of mediocrity in academic medicine
    Amnon Sonnenberg
    Portland VA Medical Center, P3 GI, Gastroenterology Section, 3710 SW US Veterans Hospital Road, Portland, OR 97239, United States
    Med Hypotheses 65:400-4. 2005
    ....
  63. doi Risk factors in the development of esophageal adenocarcinoma
    Heiko Pohl
    Department of Gastroenterology, VA Medical Center, White River Junction, Vermont 05009, USA
    Am J Gastroenterol 108:200-7. 2013
    ..The aim of this study was to examine at what stage known risk factors exert their influence toward the progression to cancer...
  64. ncbi Hiatal hernia size, Barrett's length, and severity of acid reflux are all risk factors for esophageal adenocarcinoma
    Benjamin Avidan
    Department of Veterans Affairs Medical Center, Albuquerque, New Mexico 87108, USA
    Am J Gastroenterol 97:1930-6. 2002
    ..The aims of this study were to characterize risk factors for the transition from Barrett's esophagus without dysplasia to Barrett's esophagus with high-grade dysplasia or esophageal adenocarcinoma...
  65. doi Endoscopic versus surgical therapy for early cancer in Barrett's esophagus: a decision analysis
    Heiko Pohl
    Gastroenterology Section, VA Medical Center, White River Junction, 125 N Main St, VT 05001, USA
    Gastrointest Endosc 70:623-31. 2009
    ..Esophagectomy for early esophageal adenocarcinoma is associated with increased operative mortality and morbidity, but possibly a decreased recurrence rate compared with endoscopic therapy when using EMR and radiofrequency ablation...
  66. ncbi Endoscopic evaluation of patients with dyspepsia: results from the national endoscopic data repository
    David Lieberman
    Division of Gastroenterology, Oregon Health and Science University, Portland, Oregon 97239, USA
    Gastroenterology 127:1067-75. 2004
    ..The aim of this study was to characterize patients who receive endoscopy for dyspepsia and measure predictors of primary endoscopic outcomes, utilizing a large national endoscopic database...
  67. ncbi New occurrence and recurrence of neoplasms within 5 years of a screening colonoscopy
    Benjamin Avidan
    Department of Veterans Affairs Medical Center, Albuquerque, New Mexico 87108, USA
    Am J Gastroenterol 97:1524-9. 2002
    ..The aim of this study was to delineate risk factors associated with recurrence of colorectal adenomas after an initial baseline screening colonoscopy...
  68. ncbi Empiric dilation in non-obstructive dysphagia
    Jeffrey S Olson
    Gastroenterology, Portland VA Medical Center P3 GI, Portland, OR 97239, USA
    Dig Dis Sci 53:1192-7. 2008
    ..To study practice patterns in the management of non-obstructive dysphagia among U.S. gastroenterologists...
  69. ncbi Practice patterns in the management of patients with esophageal strictures and rings
    Jeffrey S Olson
    Portland VA Medical Center and Oregon Health and Science University, Portland, Oregon 97239, USA
    Gastrointest Endosc 66:670-5; quiz 767, 770. 2007
    ..Only few data exist on the epidemiology and management of esophageal strictures and rings...
  70. doi Survival and cost-effectiveness analysis of competing strategies in the management of small hepatocellular carcinoma
    Willscott E Naugler
    Division of Gastroenterology, Oregon Health and Science University, Portland, OR and Portland VA Medical Center, Portland, OR 97239, USA
    Liver Transpl 16:1186-94. 2010
    ..In conclusion, in patients with compensated cirrhosis and small HCC, a strategy of immediate treatment with either TACE or RFA prevails over a strategy of expectant monitoring with the intention of transplantation...
  71. doi Epidemiologic characteristics of patients with inflammatory bowel disease undergoing colonoscopy
    Nundhini Thukkani
    Portland VA Medical Center and the Oregon Health and Science University, Portland, OR 97239, USA
    Inflamm Bowel Dis 17:1333-7. 2011
    ..The aim was too describe the demographic characteristics of patients with inflammatory bowel disease (IBD) undergoing colonoscopy...
  72. pmc Effect of a prior endoscopy on outcomes of esophageal adenocarcinoma among United States veterans
    Joel H Rubenstein
    Gastroenterology Section, Ann Arbor Veterans Affairs Medical Center, Ann Arbor, Michigan 48105, USA
    Gastrointest Endosc 68:849-55. 2008
    ..The efficacy of screening and surveillance EGD for esophageal adenocarcinoma (EAC) is controversial...
  73. ncbi Lack of seasonal variation in the endoscopic diagnoses of Crohn's disease and ulcerative colitis
    Joel N Auslander
    Portland VA Medical Center and Oregon Health and Science University, Oregon 97239, USA
    Am J Gastroenterol 100:2233-8. 2005
    ..The purpose of the present analysis was to assess the occurrence of seasonal variations in the endoscopic diagnosis of Crohn's disease (CD) and ulcerative colitis (UC)...
  74. doi Epidemiology of noncardia gastric adenocarcinoma in the United States
    Barry Schlansky
    Division of Gastroenterology and Hepatology, Department of Medicine, Oregon Health and Science University, Portland, Oregon, USA
    Am J Gastroenterol 106:1978-85. 2011
    ..The objective of this study was to describe the current epidemiology of noncardia gastric cancer (noncardia gastric adenocarcinoma (NCGA)) in the United States...
  75. ncbi Endoscopic procedures and diagnoses are not influenced by seasonal variations
    Joel N Auslander
    Section of Gastroenterology, Portland VA Medical Center, Portland, Oregon, USA
    Gastrointest Endosc 63:267-72. 2006
    ..The present study was done to test the hypothesis that seasonal variations in endoscopic diagnoses reflect underlying patterns in the performance of endoscopic procedures...
  76. ncbi The end of diagnosis: when to stop testing
    Amnon Sonnenberg
    Gastroenterology Section, Department of Veterans Affairs Medical Center, Albuquerque, NM 87108, USA
    Am J Gastroenterol 97:2494-8. 2002
    ....
  77. ncbi Decision analysis in clinical gastroenterology
    Amnon Sonnenberg
    The Portland VA Medical Center and the Division of Gastroenterology Hepatology, Oregon Health Sciences University, Portland, Oregon 97239, USA
    Am J Gastroenterol 99:163-9. 2004
    ..The present article aims to restate the origins of decision analysis and to demonstrate the utility of decision models in clinical gastroenterology...
  78. doi Patterns of endoscopy in the United States: analysis of data from the Centers for Medicare and Medicaid Services and the National Endoscopic Database
    Amnon Sonnenberg
    Portland VA Medical Center, Portland 97239, Oregon, USA
    Gastrointest Endosc 67:489-96. 2008
    ..Patterns of GI endoscopy are influenced by the underlying epidemiology of GI disease, as well as by policy and practice guidelines...
  79. ncbi How to overbook procedures in the endoscopy unit
    Amnon Sonnenberg
    Department of Gastroenterology, Portland VA Medical Center, Portland, Oregon 97239, USA
    Gastrointest Endosc 69:710-5. 2009
    ..Because nonattendance of outpatients scheduled for GI endoscopy is unavoidable, a frequently recommended solution involves overbooking patient appointments...
  80. doi How many polyps are there?
    Amnon Sonnenberg
    Portland VA Medical Center and the Oregon Health and Science University, Portland, Oregon 97239, USA
    Gastrointest Endosc 71:1009-12. 2010
    ..Frequently, there is disagreement between consecutive endoscopies about the true number of mucosal lesions...
  81. ncbi Time trends of ulcer mortality in non-European countries
    Amnon Sonnenberg
    Portland VA Medical Center and the Oregon Health and Science University, Portland, OR 97239, USA
    Am J Gastroenterol 102:1101-7. 2007
    ..The aim of the present study was to follow the time trends of mortality from gastric and duodenal ulcer in countries outside Europe and compare them with previous reports of ulcer mortality from Europe and North America...
  82. ncbi Retransplantation for recurrent hepatitis C in the MELD era: maximizing utility
    James R Burton
    Division of Gastroenterology Hepatology, Oregon Health and Science University, Portland, OR, USA
    Liver Transpl 10:S59-64. 2004
    ..Utility starts to decline at MELD scores above 28. 5. The current allocation system (MELD) fails to maximize utility with regard to re-LT...
  83. doi The influence of environmental risk factors in hospitalization for gastro-oesophageal reflux disease-related diagnoses in the United States
    N Thukkani
    Division of Gastroenterology, Portland VA Medical Center, Portland, OR 97239, USA
    Aliment Pharmacol Ther 31:852-61. 2010
    ..The impact of gastro-oesophageal reflux disease on hospitalization is unknown...
  84. doi Management of Crohn's disease in adults
    Gary R Lichtenstein
    Department of Medicine, Division of Gastroenterology, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania, USA
    Am J Gastroenterol 104:465-83; quiz 464, 484. 2009
    ..The final recommendations are based on the data available at the time of the production of the document and may be updated with pertinent scientific developments at a later time...
  85. ncbi Is endoscopic screening before major surgical procedures warranted?
    Amnon Sonnenberg
    Gastroenterology, Portland VA Medical Center, Portland, Oregon 97239, USA
    Gastrointest Endosc 64:375-8. 2006
    ..Gastroenterologists are frequently requested to perform endoscopic procedures to rule out cancer or other serious GI disease before major surgical operations...
  86. ncbi Risk factors of oesophagitis in arthritic patients
    B Avidan
    Gastroenterology Section, The Department of Veterans Affairs Medical Center, 1501 San Pedro Drive SE, Albuquerque, New Mexico 87108, USA
    Eur J Gastroenterol Hepatol 13:1095-9. 2001
    ..Erosive oesophagitis should be considered especially in patients on NSAIDs who complain of heartburn...
  87. ncbi Gastric surgery is not a risk for Barrett's esophagus or esophageal adenocarcinoma
    B Avidan
    Gastroenterology Section, Department of Veterans Affairs Medical Center, 1501 San Pedro Drive SE, Albuquerque, New Mexico 87108, USA
    Gastroenterology 121:1281-5. 2001
    ..This lack of association between gastric surgery and Barrett's esophagus suggests that reflux of bile without acid is not sufficient to damage the esophageal mucosa...
  88. ncbi Hiatal hernia and acid reflux frequency predict presence and length of Barrett's esophagus
    Benjamin Avidan
    Department of Veterans Affairs Medical Center, Albuquerque, New Mexico 87108, USA
    Dig Dis Sci 47:256-64. 2002
    ..Mechanisms in addition to acid reflux must contribute to the development of Barrett's esophagus...
  89. ncbi What to do about Helicobacter pylori? A decision analysis of its implication on public health
    Amnon Sonnenberg
    The Department of Veterans Affairs Medical Center, The University of New Mexico, Albuquerque, New Mexico
    Helicobacter 7:60-6. 2002
    ..A decision analysis is carried out to quantify the counteracting influences of H. pylori and resolve the controversy about a public policy to eliminate H. pylori from the general population...
  90. ncbi The long-term natural history of gastroesophageal reflux disease
    Stephen J Sontag
    Hines Veterans Affairs Hospital, Hines, IL 60141, USA
    J Clin Gastroenterol 40:398-404. 2006
    ..We report on the 20-year follow-up of 2,306 patients with at least two endoscopic examinations who were taking no antisecretory medication before baseline endoscopy and whose long-term treatment was determined by reflux symptoms...
  91. ncbi Commentary: the unresolved mystery of birth-cohort phenomena in gastroenterology
    Amnon Sonnenberg
    The Department of Veterans Affairs Medical Center, and The University of New Mexico, Albuquerque, New Mexico 87108, USA sonnbrg unm edu
    Int J Epidemiol 31:23-6. 2002
  92. ncbi Cost-effectiveness of a single colonoscopy in screening for colorectal cancer
    Amnon Sonnenberg
    Gastroenterology Section 111F, Department of Veterans Affairs Medical Center, 1501 San Pedro Dr SE, Albuquerque, NM 87108, USA
    Arch Intern Med 162:163-8. 2002
    ..A single colonoscopy at the age of 65 years has been recommended as a potential option to screen for colorectal cancer. This study compares the cost-effectiveness of 2 screening programs based on a single or repeated colonoscopy...
  93. ncbi Chemoprevention of colorectal cancer by aspirin: a cost-effectiveness analysis
    Saud Suleiman
    Department of Veterans Affairs Medical Center, Albuquerque, New Mexico 87108, USA
    Gastroenterology 122:78-84. 2002
    ..The aim of the study is to compare the cost-effectiveness of aspirin and colonoscopy in the prevention of colorectal cancer...
  94. ncbi Publications on peptic ulcer in Britain, France, Germany and the US
    J Hugh Baron
    School of Medicine, Imperial College, London, UK
    Eur J Gastroenterol Hepatol 14:711-5. 2002
    ..This paper uses a novel method, a study of the rates of increases in publications on these peptic ulcers over the centuries in four countries, the US and three in Europe...
  95. ncbi Screening and surveillance in Barrett's esophagus: a call to action
    Glenn M Eisen
    Clin Gastroenterol Hepatol 2:861-4. 2004
  96. ncbi A critical review of the diagnosis and management of Barrett's esophagus: the AGA Chicago Workshop
    Prateek Sharma
    University of Kansas School of Medicine and VA Medical Center, Kansas City, Missouri 64128 2295, USA
    Gastroenterology 127:310-30. 2004
    ..The diagnosis and management of Barrett's esophagus (BE) are controversial. We conducted a critical review of the literature in BE to provide guidance on clinically relevant issues...
  97. ncbi The long-term time trends of peptic ulcer and ulcerative colitis are interrelated
    Claudia Cucino
    New Mexico VA Health Care System, Albuquerque 87108, USA
    Am J Gastroenterol 97:2657-62. 2002
    ..The aim of this study was to determine whether birth-cohort patterns are common features of ulcerative colitis, gastric ulcer, and duodenal ulcer in different countries...
  98. ncbi Asthmatics with gastroesophageal reflux: long term results of a randomized trial of medical and surgical antireflux therapies
    Stephen J Sontag
    Veterans Affairs Hospital, Hines, Illinois 60141, USA
    Am J Gastroenterol 98:987-99. 2003
    ..In this study, we aimed to determine whether prolonged treatment of GER altered the long term natural history of asthma in asthmatics with GER...
  99. ncbi Motion--Laparoscopic Nissen fundoplication is more cost effective than oral PPI administration: arguments against the motion
    Amnon Sonnenberg
    Department of Veterans Affairs Medical Center, Albuquerque, NM 87108, USA
    Can J Gastroenterol 16:627-31. 2002
    ..There are no significant differences in the incidence of this tumour after medical or surgical therapy of GERD. It is unlikely, however, that arguments will convince proponents of one treatment or another to change their opinions...
  100. ncbi Calculating the benefit of a negative endoscopy
    Amnon Sonnenberg
    Gastrointest Endosc 58:752-4. 2003
  101. ncbi Comparing risks and benefits of colorectal cancer screening in elderly patients
    Cynthia W Ko
    Department of Medicine, University of Washington, Seattle, 98195, USA
    Gastroenterology 129:1163-70. 2005
    ..The aim of this study was to quantify risks and benefits of different screening strategies in elderly patients with varying life expectancies...