G C Harewood

Summary

Affiliation: Mayo Clinic
Country: USA

Publications

  1. ncbi request reprint Clinical implications of quantification of mesorectal tumor invasion by endoscopic ultrasound: All T3 rectal cancers are not equal
    Gavin C Harewood
    Department of Gastroenterology and Hepatology, Mayo Clinic, Minnesota, USA
    J Gastroenterol Hepatol 19:750-5. 2004
  2. ncbi request reprint Variation in practice of ileal intubation among diverse endoscopy settings: results from a national endoscopic database
    G C Harewood
    Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN 55905, USA
    Aliment Pharmacol Ther 22:571-8. 2005
  3. ncbi request reprint What is the most sensitive screening method for the detection of colon cancer?
    Gavin C Harewood
    Mayo Clinic, Rochester, MN, USA
    Nat Clin Pract Gastroenterol Hepatol 2:134-5. 2005
  4. ncbi request reprint Pilot study to assess patient outcomes following endoscopic application of photodynamic therapy for advanced cholangiocarcinoma
    Gavin C Harewood
    Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN, USA
    J Gastroenterol Hepatol 20:415-20. 2005
  5. ncbi request reprint Factors predicting success of endoscopic variceal ligation for secondary prophylaxis of esophageal variceal bleeding
    Gavin C Harewood
    Division of Gastroenterology and Hepatology, Mayo Clinic, Minnesota, USA
    J Gastroenterol Hepatol 21:237-41. 2006
  6. ncbi request reprint Incident rates of colonic neoplasia in older patients: when should we stop screening?
    Gavin C Harewood
    Division of Gastroenterology and Hepatology, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA
    J Gastroenterol Hepatol 21:1021-5. 2006
  7. ncbi request reprint Relationship of colonoscopy completion rates and endoscopist features
    Gavin C Harewood
    Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
    Dig Dis Sci 50:47-51. 2005
  8. ncbi request reprint Incident rates of colonic neoplasia according to age and gender: implications for surveillance colonoscopy intervals
    Gavin C Harewood
    Division of Gastroenterology and Hepatology, Gonda 9, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA
    J Clin Gastroenterol 39:894-9. 2005
  9. ncbi request reprint Colonoscopy practice patterns since introduction of medicare coverage for average-risk screening
    Gavin C Harewood
    Division of Gastroenterology and Hepatology, Charlton 8, Mayo Clinic, Rochester, Minnesota 55905, USA
    Clin Gastroenterol Hepatol 2:72-7. 2004
  10. ncbi request reprint Assessment of clinical impact of endoscopic ultrasound on esophageal cancer
    Gavin C Harewood
    Department of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
    J Gastroenterol Hepatol 19:433-9. 2004

Detail Information

Publications74

  1. ncbi request reprint Clinical implications of quantification of mesorectal tumor invasion by endoscopic ultrasound: All T3 rectal cancers are not equal
    Gavin C Harewood
    Department of Gastroenterology and Hepatology, Mayo Clinic, Minnesota, USA
    J Gastroenterol Hepatol 19:750-5. 2004
    ..The purpose of the present paper was to determine if depth of invasion beyond MP, as assessed by preoperative endoscopic ultrasound (EUS), can predict tumor recurrence in patients with T3 rectal tumors...
  2. ncbi request reprint Variation in practice of ileal intubation among diverse endoscopy settings: results from a national endoscopic database
    G C Harewood
    Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN 55905, USA
    Aliment Pharmacol Ther 22:571-8. 2005
    ..One of the major indications for terminal ileum intubation is to identify Crohn's disease. Signs and symptoms which raise a suspicion of Crohn's include abdominal pain/bloating, anaemia and diarrhoea...
  3. ncbi request reprint What is the most sensitive screening method for the detection of colon cancer?
    Gavin C Harewood
    Mayo Clinic, Rochester, MN, USA
    Nat Clin Pract Gastroenterol Hepatol 2:134-5. 2005
  4. ncbi request reprint Pilot study to assess patient outcomes following endoscopic application of photodynamic therapy for advanced cholangiocarcinoma
    Gavin C Harewood
    Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN, USA
    J Gastroenterol Hepatol 20:415-20. 2005
    ..The aim of this pilot study was to assess the outcome in patients with non-resectable cholangiocarcinoma following endoscopic application of PDT directly into the biliary tract...
  5. ncbi request reprint Factors predicting success of endoscopic variceal ligation for secondary prophylaxis of esophageal variceal bleeding
    Gavin C Harewood
    Division of Gastroenterology and Hepatology, Mayo Clinic, Minnesota, USA
    J Gastroenterol Hepatol 21:237-41. 2006
    ....
  6. ncbi request reprint Incident rates of colonic neoplasia in older patients: when should we stop screening?
    Gavin C Harewood
    Division of Gastroenterology and Hepatology, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA
    J Gastroenterol Hepatol 21:1021-5. 2006
    ..However, there is no consensus regarding what age is appropriate to stop screening. The aim of this study was to characterize neoplasia occurrence/recurrence in a large cohort of patients > or =70 years of age undergoing colonoscopy...
  7. ncbi request reprint Relationship of colonoscopy completion rates and endoscopist features
    Gavin C Harewood
    Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
    Dig Dis Sci 50:47-51. 2005
    ..Future prospective studies should provide data to support consensus guidelines recommending minimum annual procedure numbers required for maintenance of endoscopic competence among trained endoscopists...
  8. ncbi request reprint Incident rates of colonic neoplasia according to age and gender: implications for surveillance colonoscopy intervals
    Gavin C Harewood
    Division of Gastroenterology and Hepatology, Gonda 9, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA
    J Clin Gastroenterol 39:894-9. 2005
    ..However, individual patients' risks may vary according to age and gender. This study aimed to characterize neoplasia recurrence in a large patient cohort undergoing surveillance colonoscopy...
  9. ncbi request reprint Colonoscopy practice patterns since introduction of medicare coverage for average-risk screening
    Gavin C Harewood
    Division of Gastroenterology and Hepatology, Charlton 8, Mayo Clinic, Rochester, Minnesota 55905, USA
    Clin Gastroenterol Hepatol 2:72-7. 2004
    ..Recent legislation passed in July 2001 provides coverage for all Medicare beneficiaries for average-risk screening colonoscopy...
  10. ncbi request reprint Assessment of clinical impact of endoscopic ultrasound on esophageal cancer
    Gavin C Harewood
    Department of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
    J Gastroenterol Hepatol 19:433-9. 2004
    ..The aim of the present study was to assess the impact of EUS FNA by comparing the clinical outcomes of patients with esophageal cancer before and after the introduction of this staging modality in our institution...
  11. ncbi request reprint Economic comparison of current endoscopic practices: Barrett's surveillance vs. ulcerative colitis surveillance vs. biopsy for sprue vs. biopsy for microscopic colitis
    Gavin C Harewood
    Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
    Dig Dis Sci 49:1808-14. 2004
    ..Although, our findings put endoscopic practices into economic perspective, future perspective, future prospective trials are required to confirm the validity of these findings...
  12. ncbi request reprint Impact of endoscopist withdrawal speed on polyp yield: implications for optimal colonoscopy withdrawal time
    D T Simmons
    Division of Gastroenterology and Hepatology, Mayo College of Medicine, Rochester, MN, USA
    Aliment Pharmacol Ther 24:965-71. 2006
    ..S. Multi-Society Task Force on Colorectal Cancer recommended that the withdrawal phase for colonoscopy should average at least 6-10 min. This was based on 10 consecutive colonoscopies by two endoscopists with different adenoma miss rates...
  13. ncbi request reprint Clinical implications of the extent of invasion of T3 esophageal cancer by endoscopic ultrasound
    Tony E Yusuf
    Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN 55905, USA
    J Gastroenterol Hepatol 20:1880-5. 2005
    ..We aimed to determine if depth of tumor invasion beyond muscularis propria (MP), as determined by preoperative EUS, is predictive of tumor recurrence or survival (a positive change in mortality) in patients with T3 esophageal cancer...
  14. ncbi request reprint Prospective assessment of the impact of feedback on colonoscopy performance
    G C Harewood
    Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN 55905, USA
    Aliment Pharmacol Ther 24:313-8. 2006
    ..Colonoscopy is an operator-dependent procedure. The medical literature describes disparity in colonoscopy performance with respect to polyp detection, caecal intubation rates and procedural times...
  15. ncbi request reprint Prospective, randomized, controlled trial of prophylactic pancreatic stent placement for endoscopic snare excision of the duodenal ampulla
    Gavin C Harewood
    Division of Gastroenterology and Hepatology and Radiology, Developmental Endoscopy Unit, Mayo Clinic, Rochester, MN 55905, USA
    Gastrointest Endosc 62:367-70. 2005
    ..The aim of this randomized, controlled trial was to compare the rates of postsnare ampullectomy pancreatitis in patients who did/did not receive prophylactic pancreatic-duct stent placement...
  16. ncbi request reprint A prospective, blinded assessment of the impact of preoperative staging on the management of rectal cancer
    Gavin C Harewood
    Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
    Gastroenterology 123:24-32. 2002
    ....
  17. ncbi request reprint Cost-minimization analysis of alternative diagnostic approaches in a modeled patient with non-small cell lung cancer and subcarinal lymphadenopathy
    Gavin C Harewood
    Division of Gastroenterology and Hepatology and Internal Medicine, Mayo Clinic, Rochester, Minn 55905, USA
    Mayo Clin Proc 77:155-64. 2002
    ..To evaluate the costs of alternative diagnostic evaluations of enlarged subcarinal lymph nodes (SLNs) in modeled patients with non-small cell lung cancer (NSCLC)...
  18. ncbi request reprint A cost analysis of endoscopic ultrasound in the evaluation of pancreatic head adenocarcinoma
    G C Harewood
    Developmental Endoscopy Unit, Mayo Clinic, Rochester, Minnesota 55905, USA
    Am J Gastroenterol 96:2651-6. 2001
    ..These results support performing EUS in patients whose tumors are thought to be resectable on helical CT to enhance NPT LN assessment...
  19. ncbi request reprint Cost-effectiveness analysis of alternative strategies for palliation of distal biliary obstruction after a failed cannulation attempt
    G C Harewood
    Division of Gastroenterology, Mayo Clinic, Rochester, Minnesota 55905, USA
    Am J Gastroenterol 97:1701-7. 2002
    ..A cost-effectiveness analysis was performed, as viewed from the societal perspective...
  20. ncbi request reprint Diagnostic approach to a patient with suspected celiac disease: a cost analysis
    G C Harewood
    Department of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
    Dig Dis Sci 46:2510-4. 2001
    ..In conclusion, initial screening with endomysial antibody is the least costly strategy for diagnosing celiac disease in a low risk population. Antigliadin antibody becomes the cheaper strategy for higher risk populations...
  21. ncbi request reprint A prospective comparison of digital image analysis and routine cytology for the identification of malignancy in biliary tract strictures
    Todd H Baron
    Division of Gastroenterology, Mayo Clinic, Rochester, Minnesota 55905, USA
    Clin Gastroenterol Hepatol 2:214-9. 2004
    ..Digital image analysis (DIA) allows quantification of nuclear DNA content and may help distinguish benign and malignant strictures of the biliary tract...
  22. ncbi request reprint EUS-guided FNA of regional lymph nodes in patients with unresectable hilar cholangiocarcinoma
    Ferga C Gleeson
    Mayo Clinic College of Medicine, Rochester, Minnesota 55905, USA
    Gastrointest Endosc 67:438-43. 2008
    ..The clinical impact of EUS-guided FNA (EUS-FNA) in regional lymph-node staging in patients with unresectable hilar cholangiocarcinoma before liver transplantation has yet to be determined...
  23. ncbi request reprint Variation in small bowel biopsy performance among diverse endoscopy settings: results from a national endoscopic database
    Gavin C Harewood
    Division of Gastroenterology and Hepatology, Mayo Clinic Rochester, 200 First Street SW, Rochester, MN 55905, USA
    Am J Gastroenterol 99:1790-4. 2004
    ..The diagnostic gold standard for celiac sprue requires performance of small bowel biopsy to identify characteristic mucosal changes. The current biopsy practice among endoscopists for celiac sprue is unknown...
  24. ncbi request reprint Endoscopic ultrasound-guided trucut biopsy of the cyst wall for diagnosing cystic pancreatic tumors
    Michael J Levy
    Division of Gastroenterology and Hepatology, Mayo Clinic School of Medicine, Rochester, Minnesota 55905, USA
    Clin Gastroenterol Hepatol 3:974-9. 2005
    ..The aim of this study was to determine whether the tissue obtained by endoscopic ultrasound-guided trucut biopsy (EUS TCB) is sufficient for histologic diagnosis of cystic pancreatic tumors (CPTs)...
  25. ncbi request reprint Value of a negative colonoscopy in patients with non-specific gastrointestinal symptoms
    Tuba Esfandyari
    Division of Gastroenterology and Hepatology, Department of Medicine, Mayo Clinic College of Medicine, Rochester, Minnesota 55905, USA
    J Gastroenterol Hepatol 22:1609-14. 2007
    ....
  26. ncbi request reprint A cost analysis of endoscopic ultrasound in the evaluation of esophageal cancer
    Gavin C Harewood
    Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
    Am J Gastroenterol 97:452-8. 2002
    ..We applied a decision analysis model to compare the costs of EUS FNA, CT-guided FNA, and surgery in the management of esophageal tumors. A cost-minimization approach was employed, as viewed from the perspective of the payer...
  27. ncbi request reprint Endoscopic ultrasound for rectal cancer
    Maurits J Wiersema
    Division of Gastroenterology and Hepatology, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA
    Gastroenterol Clin North Am 31:1093-105. 2002
    ..This will require further long-term outcome studies focusing on the endpoint of tumor recurrence and patient survival...
  28. ncbi request reprint Assessment of publication bias in the reporting of EUS performance in staging rectal cancer
    Gavin C Harewood
    Department of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
    Am J Gastroenterol 100:808-16. 2005
    ..The aim of this study was to systematically assess for publication bias in the reporting of the accuracy of EUS in staging rectal cancer...
  29. pmc PSC-IBD: a unique form of inflammatory bowel disease associated with primary sclerosing cholangitis
    E V Loftus
    Division of Gastroenterology and Hepatology, Mayo Clinic, 200 First Street, SW, Rochester, MN 55905, USA
    Gut 54:91-6. 2005
    ..Inflammatory bowel disease associated with primary sclerosing cholangitis (PSC-IBD) may have a high prevalence of rectal sparing, backwash ileitis, and colorectal neoplasia...
  30. ncbi request reprint Prospective, blinded assessment of factors influencing the accuracy of biliary cytology interpretation
    Gavin C Harewood
    Division of Gastroenterology and Hepatology, Department of Pathology, Mayo Clinic, Rochester, Minnesota 55905, USA
    Am J Gastroenterol 99:1464-9. 2004
    ....
  31. ncbi request reprint Biochemical analysis of pancreatic fluid collections predicts bacterial infection
    Klaus E Monkemuller
    Department of Medicine, Division of Gastroenterology and Hepatology, University of Alabama, Birmingham, AL, USA
    J Gastroenterol Hepatol 20:1667-73. 2005
    ....
  32. ncbi request reprint Routine vs. selective EUS-guided FNA approach for preoperative nodal staging of esophageal carcinoma
    Enrique Vazquez-Sequeiros
    ivision of Gastroenterology and Hepatology, Pathology Department, Mayo Clinic Rochester, Rochester, Minnesota, USA
    Gastrointest Endosc 63:204-11. 2006
    ..EUS-guided FNA (EUS-FNA) is the most accurate method for lymph-node staging of esophageal carcinoma; however, it may not be necessary when EUS features are present that strongly suggest a benign or a malignant origin...
  33. ncbi request reprint Cost-effectiveness of endoscopic ultrasonography in the evaluation of proximal rectal cancer
    Gavin C Harewood
    Department of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
    Am J Gastroenterol 97:874-82. 2002
    ....
  34. ncbi request reprint Influence of EUS training and pathology interpretation on accuracy of EUS-guided fine needle aspiration of pancreatic masses
    Gavin C Harewood
    Department of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
    Gastrointest Endosc 55:669-73. 2002
    ....
  35. ncbi request reprint Impact on patient outcomes of experience in the performance of endoscopic pancreatic fluid collection drainage
    Gavin C Harewood
    Division of Gastroenterology, Mayo Medical Center, Rochester, Minnesota, USA
    Gastrointest Endosc 58:230-5. 2003
    ..Much attention has been focused on the competence to perform endoscopic procedures. The aim of this study was to determine the impact of procedure experience on patient outcomes after endoscopic pancreatic fluid collection drainage...
  36. ncbi request reprint Endosonography-guided fine needle aspiration biopsy in the evaluation of pancreatic masses
    Gavin C Harewood
    Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
    Am J Gastroenterol 97:1386-91. 2002
    ..This study aimed to determine the performance of endoscopic ultrasound-guided fine needle aspiration biopsy (EUS FNA) in pancreatic malignancy when prior biopsies performed by CT guidance or ERCP were negative...
  37. ncbi request reprint An assessment of the learning curve for precut biliary sphincterotomy
    G C Harewood
    Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
    Am J Gastroenterol 97:1708-12. 2002
    ..We sought to determine whether procedural experience with precut sphincterotomy predicted either successful cannulation or development of complications in these patients...
  38. ncbi request reprint A prospective, controlled assessment of factors influencing acceptance of screening colonoscopy
    Gavin C Harewood
    Division of Gastroenterology and Hepatology, and Department of Health Sciences Research, Mayo Clinic and Mayo Foundation, Rochester, Minnesota 55905, USA
    Am J Gastroenterol 97:3186-94. 2002
    ....
  39. ncbi request reprint EUS for rectal disease
    David A Schwartz
    Division of Gastroenterology and Hepatology, Vanderbilt University, Nashville, Tennessee, USA
    Gastrointest Endosc 56:100-9. 2002
  40. ncbi request reprint Assessment of the impact of an educational course on knowledge of appropriate EUS indications
    Gavin C Harewood
    Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN 55905, USA
    Gastrointest Endosc 61:554-9. 2005
    ..The aim of this study was to assess the impact of a 3-day educational course on knowledge levels of attending gastroenterologists regarding the appropriateness of indications for EUS...
  41. ncbi request reprint Outcome differences after endoscopic drainage of pancreatic necrosis, acute pancreatic pseudocysts, and chronic pancreatic pseudocysts
    Todd H Baron
    Department of Medicine, Division of Gastroenterology, Mayo Medical Center, Rochester, Minnesota 55905, USA
    Gastrointest Endosc 56:7-17. 2002
    ..This study sought to determine outcome differences after attempted endoscopic drainage of pancreatic fluid collections classified as pancreatic necrosis, acute pseudocyst, and chronic pseudocyst...
  42. ncbi request reprint Cost analysis of endoscopic antireflux procedures: endoluminal plication vs. radiofrequency coagulation vs. treatment with a proton pump inhibitor
    Gavin C Harewood
    Divisions of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota, USA
    Gastrointest Endosc 58:493-9. 2003
    ..The aim of this study was to apply a decision analysis model to compare the costs of endoluminal gastroplication vs. the Stretta procedures vs. a proton pump inhibitor for treatment of GERD. A cost minimization approach was used...
  43. ncbi request reprint Colonic biopsy practice for evaluation of diarrhea in patients with normal endoscopic findings: results from a national endoscopic database
    Gavin C Harewood
    Division of Gastroenterology and Hepatology, Charlton 8, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA
    Gastrointest Endosc 61:371-5. 2005
    ..The colonic biopsy is the only reliable method for identification of microscopic colitis in patients with chronic diarrhea and normal endoscopic findings...
  44. ncbi request reprint Assessment of clinical impact of endoscopic ultrasound on rectal cancer
    Gavin C Harewood
    Department of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN 55905, USA
    Am J Gastroenterol 99:623-7. 2004
    ..The aim of this study was to assess the impact of EUS FNA by comparing the clinical outcomes of patients with rectal cancer before and after the introduction of EUS in our institution...
  45. ncbi request reprint Complications of temporary pancreatic stent insertion for pancreaticojejunal anastomosis during pancreaticoduodenectomy
    Michael J Levy
    Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
    Gastrointest Endosc 59:719-24. 2004
    ..Four patients with retained transanastomotic pancreatic stent-induced complications after pancreaticduodenectomy were identified...
  46. ncbi request reprint Cost analysis of magnetic resonance cholangiography in the management of inoperable hilar biliary obstruction
    G C Harewood
    Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
    Am J Gastroenterol 97:1152-8. 2002
    ..In addition to determining which strategy was most economical, we used sensitivity analysis to identify the critical factors defining relative costs...
  47. ncbi request reprint Prospective comparison of endoscopy patient satisfaction surveys: e-mail versus standard mail versus telephone
    G C Harewood
    Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
    Am J Gastroenterol 96:3312-7. 2001
    ..The satisfaction levels of the responders may underestimate the overall satisfaction of the population being surveyed...
  48. ncbi request reprint International survey of knowledge of indications for EUS
    Tony E Yusuf
    Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
    Gastrointest Endosc 63:107-11. 2006
    ..The aim of this study was to assess knowledge of EUS indications among a diverse group of gastroenterologists, both nationally and internationally...
  49. ncbi request reprint Initial experience with EUS-guided trucut needle biopsies of perigastric organs
    Maurits J Wiersema
    Developmental Endoscopy Unit, Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
    Gastrointest Endosc 56:275-8. 2002
    ..The aims of this study were to determine the feasibility, safety, and yield of a 19-gauge EUS-guided-trucut needle for obtaining biopsy specimens of perigastric organs...
  50. ncbi request reprint Utility of endoscopic ultrasound in the diagnosis of aberrant right subclavian artery
    Tony E Yusuf
    Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
    J Gastroenterol Hepatol 22:1717-21. 2007
    ..The aim of this study was to determine the prevalence of ARSA in patients undergoing upper endoscopic ultrasound (EUS) and to describe the EUS characteristics of ARSA...
  51. ncbi request reprint Detection of occult upper gastrointestinal tract bleeding: performance differences in fecal occult blood tests
    Gavin C Harewood
    Division of Gastroenterology and Hepatology and Internal Medicine, Mayo Clinic, Rochester, Minn 55905, USA
    Mayo Clin Proc 77:23-8. 2002
    ..All stool samples were subjected to blinded fecal occult blood determinations with use of the 3 tests...
  52. ncbi request reprint Abdominal CT as a predictor of outcome before attempted direct percutaneous endoscopic jejunostomy
    John T Maple
    Department of Internal Medicine, Division of Gastroenterology and Hepatology, Mayo Clinic College of Medicine, Rochester, MN 55905, USA
    Gastrointest Endosc 63:424-30. 2006
    ..Even in failed cases, patients are exposed to the risks of anesthesia, exploratory percutaneous needle punctures, and the cost burden of suboptimal resource utilization. Hence, a preprocedure predictor of outcome would be useful...
  53. ncbi request reprint Knowledge of indications for EUS among gastroenterologists and non-gastroenterologists
    Tony E Yusuf
    Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
    Gastrointest Endosc 60:575-9. 2004
    ..This study assessed knowledge of the indications and the utility of EUS among gastroenterologists and non-gastroenterologists in a large multispecialty academic practice...
  54. ncbi request reprint Assessment of patients' perceptions of bowel preparation quality at colonoscopy
    Gavin C Harewood
    Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
    Am J Gastroenterol 99:839-43. 2004
    ..The aim of this article was to compare patients' perceptions of the adequacy of their bowel preparation with the endoscopists' rating at colonoscopy...
  55. ncbi request reprint Prevalence of advanced neoplasia at screening colonoscopy in men in private practice versus academic and Veterans Affairs medical centers
    Gavin C Harewood
    Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
    Am J Gastroenterol 98:2312-6. 2003
    ..The aim of this study was to define the prevalence of advanced neoplasia in male patients undergoing screening colonoscopy in diverse practice settings...
  56. ncbi request reprint Prospective controlled assessment of variable stiffness enteroscopy
    Gavin C Harewood
    Division of Gastroenterology and Hepatology and Radiology, Developmental Endoscopy Unit, Mayo Clinic, Rochester, Minnesota, USA
    Gastrointest Endosc 58:267-71. 2003
    ..The performance of a prototype variable stiffness enteroscope was compared prospectively with that of a conventional push enteroscope with and without use of an overtube...
  57. ncbi request reprint Impact of colonoscopy preparation quality on detection of suspected colonic neoplasia
    Gavin C Harewood
    Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
    Gastrointest Endosc 58:76-9. 2003
    ..Suboptimal bowel preparation for colonoscopy can lead to missed colonic lesions. The aim of this study was to describe the impact of preparation quality on detection of suspected colonic neoplasia...
  58. ncbi request reprint Biopsy specimen acquisition in patients with newly diagnosed peptic ulcer disease as determined from a national endoscopic database
    Gavin C Harewood
    Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
    Gastrointest Endosc 59:664-9. 2004
    ..Eradication of Helicobacter pylori infection decreases peptic ulcer recurrence. Therefore, assessment of Helicobacter pylori status is recommended for patients with newly diagnosed peptic ulcer disease...
  59. ncbi request reprint EUS-guided trucut biopsy in establishing autoimmune pancreatitis as the cause of obstructive jaundice
    Michael J Levy
    Division of Gastroenterology and Hepatology, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA
    Gastrointest Endosc 61:467-72. 2005
    ....
  60. ncbi request reprint Endoscopic factors in the diagnosis of colorectal dysplasia in chronic inflammatory bowel disease
    Murat Toruner
    Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
    Inflamm Bowel Dis 11:428-34. 2005
    ..We sought to determine if any endoscopic factors during surveillance colonoscopy were associated with the diagnosis of colorectal dysplasia before the development of cancer...
  61. ncbi request reprint Evaluation of polyp detection in relation to procedure time of screening or surveillance colonoscopy
    William Sanchez
    Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN 55905, USA
    Am J Gastroenterol 99:1941-5. 2004
    ..The aim of our study was to determine whether endoscopist-specific procedure times correlate with the number and clinical significance of polyps detected at screening or surveillance colonoscopy...
  62. ncbi request reprint Enteral self-expandable stents
    Todd H Baron
    Department of Medicine, Division of Gastroenterology and Hepatology, Mayo Foundation, Rochester, Minnesota, USA
    Gastrointest Endosc 58:421-33. 2003
  63. ncbi request reprint Assessment of predictors of response to neostigmine for acute colonic pseudo-obstruction
    Conor G Loftus
    Division of Gastroenterology and Hepatology, Mayo Medical Center, Rochester, Minnesota, USA
    Am J Gastroenterol 97:3118-22. 2002
    ..We sought to identify factors associated with spontaneous resolution of ACPO and to identify variables associated with a response to i.v. administration of neostigmine for the treatment of ACPO...
  64. ncbi request reprint Assessment of the predictors of response to glucagon in the setting of acute esophageal food bolus impaction
    Thomas C Sodeman
    Department of Medicine, Division of Gastroenterology, Mayo Medical Center, Rochester, Minnesota, USA
    Dysphagia 19:18-21. 2004
    ..An impacted meat bolus is more likely to require intervention for removal than other food types. These clinical predictors should be considered before administration of glucagon...
  65. ncbi request reprint Comparison of direct percutaneous endoscopic jejunostomy and PEG with jejunal extension
    Andy C Fan
    Division of Gastroenterology and Hepatology, Mayo Medical Center, Rochester, Minnesota, USA
    Gastrointest Endosc 56:890-4. 2002
    ..These 2 techniques were retrospectively compared in patients requiring long-term jejunal feeding...
  66. ncbi request reprint Endoscopic balloon dilation of the biliary sphincter compared to endoscopic biliary sphincterotomy for removal of common bile duct stones during ERCP: a metaanalysis of randomized, controlled trials
    Todd H Baron
    Department of Medicine, Division of Gastroenterology and Hepatology, Mayo Medical Center, Rochester, Minnesota, USA
    Am J Gastroenterol 99:1455-60. 2004
    ..To compare the effect of endoscopic balloon dilation (EPBD) of the papilla with that of endoscopic biliary sphincterotomy (EST) in the treatment of patients with common bile duct stones...
  67. ncbi request reprint Utility of endoscopic ultrasound for restaging rectal cancer following neoadjuvant chemoradiation therapy
    Gavin C Harewood
    Am J Gastroenterol 99:953; author reply 954. 2004
  68. ncbi request reprint Prophylactic clip application after colonic polypectomy
    Gavin C Harewood
    Gastrointest Endosc 65:183; author reply 183. 2007
  69. ncbi request reprint Treatment of rectal cancer
    Gavin C Harewood
    N Engl J Med 355:2486; author reply 2487-8. 2006
  70. ncbi request reprint Treatment of gastric cancer
    Gavin C Harewood
    N Engl J Med 355:1386; author reply 1387-8. 2006
  71. ncbi request reprint Radiotherapy for rectal cancer
    Gavin C Harewood
    N Engl J Med 346:137-8. 2002
  72. ncbi request reprint Recommendations for endoscopy in the patient on chronic anticoagulation: apply with care!
    Gavin C Harewood
    Gastrointest Endosc 64:79-81. 2006
  73. ncbi request reprint Colonoscopy: Not quite the gold standard
    Gavin C Harewood
    Department of Gastroenterology, Beaumont Hospital, Dublin, Ireland
    Dig Liver Dis 39:690-1. 2007
  74. doi request reprint Measuring colonoscopy performance among gastroenterology trainees
    Gavin C Harewood
    Gastrointest Endosc 68:407. 2008