Amitabh Chak

Summary

Affiliation: Case Western Reserve University
Country: USA

Publications

  1. pmc Variation in age at cancer diagnosis in familial versus nonfamilial Barrett's esophagus
    Amitabh Chak
    Division of Gastroenterology, University Hospitals Case Medical Center, 11100 Euclid Avenue, Cleveland, OH 44106, USA
    Cancer Epidemiol Biomarkers Prev 21:376-83. 2012
  2. ncbi request reprint Familiality in Barrett's esophagus, adenocarcinoma of the esophagus, and adenocarcinoma of the gastroesophageal junction
    Amitabh Chak
    University Hospitals of Cleveland, Case School of Medicine, 11100 Euclid Avenue, Cleveland, OH 44106, USA
    Cancer Epidemiol Biomarkers Prev 15:1668-73. 2006
  3. ncbi request reprint Gastroesophageal reflux symptoms in patients with adenocarcinoma of the esophagus or cardia
    Amitabh Chak
    Division of Gastroenterology, University Hospitals of Cleveland and Ireland Cancer Center, Cleveland, Ohio 44106, USA
    Cancer 107:2160-6. 2006
  4. pmc Assessment of familiality, obesity, and other risk factors for early age of cancer diagnosis in adenocarcinomas of the esophagus and gastroesophageal junction
    Amitabh Chak
    Division of Gastroenterology, University Hospitals Case Medical Center, Case Western Reserve University School of Medicine, 11100 Euclid Avenue, Cleveland, Ohio 44106, USA
    Am J Gastroenterol 104:1913-21. 2009
  5. doi request reprint Infectious implications in the porcine model of natural orifice transluminal endoscopic surgery (NOTES) with PEG-tube closure: a quantitative bacteriologic study
    Michael F McGee
    Department of Surgery, Case Medical Center, Case Western Reserve University, Cleveland, OH 44106, USA
    Gastrointest Endosc 68:310-8. 2008
  6. doi request reprint Creation of an effective and reproducible nonsurvival porcine model that simulates actively bleeding peptic ulcers
    Victor K Chen
    Division of Gastroenterology, Department of Medicine, Case Advanced Surgical Endoscopy Team CASE T, University Hospitals Case Medical Center, Cleveland, USA
    Gastrointest Endosc 68:548-53. 2008
  7. doi request reprint EUS in localizing safe alternate access sites for natural orifice transluminal endoscopic surgery: initial experience in a porcine model
    B Joseph Elmunzer
    Division of Gastroenterology, University of Michigan Medical Center, Ann Arbor, Michigan 48109, USA
    Gastrointest Endosc 69:108-14. 2009
  8. doi request reprint Immediate unprepared hydroflush colonoscopy for severe lower GI bleeding: a feasibility study
    Aparna Repaka
    Division of Gastroenterology and Liver Disease, Digestive Health Institute, University Hospitals Case Medical Center and Case Western Reserve University, Cleveland, Ohio 44106, USA
    Gastrointest Endosc 76:367-73. 2012
  9. doi request reprint Initial evaluation of a novel, prototype, forward-viewing echoendoscope in a porcine arterial bleeding model (with video)
    B Joseph Elmunzer
    Division of Gastroenterology, University of Michigan Medical Center, Ann Arbor, Michigan 48109, USA
    Gastrointest Endosc 72:611-4. 2010
  10. doi request reprint Transgastric natural-orifice transluminal endoscopic surgery peritoneoscopy in humans: a pilot study in efficacy and gastrotomy site selection by using a hybrid technique
    Mehrdad Nikfarjam
    Department of Surgery, University Hospitals, Case Medical Center, Cleveland, Ohio 44106, USA
    Gastrointest Endosc 72:279-83. 2010

Collaborators

Detail Information

Publications88

  1. pmc Variation in age at cancer diagnosis in familial versus nonfamilial Barrett's esophagus
    Amitabh Chak
    Division of Gastroenterology, University Hospitals Case Medical Center, 11100 Euclid Avenue, Cleveland, OH 44106, USA
    Cancer Epidemiol Biomarkers Prev 21:376-83. 2012
    ..In this study, we determine whether cancers develop at an earlier age in multiplex Familial Barrett's Esophagus (FBE) kindreds, defined by 3 or more members affected by Barrett's esophagus (BE) or esophageal adenocarcinoma (EAC)...
  2. ncbi request reprint Familiality in Barrett's esophagus, adenocarcinoma of the esophagus, and adenocarcinoma of the gastroesophageal junction
    Amitabh Chak
    University Hospitals of Cleveland, Case School of Medicine, 11100 Euclid Avenue, Cleveland, OH 44106, USA
    Cancer Epidemiol Biomarkers Prev 15:1668-73. 2006
    ..The aim of this study was to determine the proportion of patients with these diseases who have familial Barrett's esophagus...
  3. ncbi request reprint Gastroesophageal reflux symptoms in patients with adenocarcinoma of the esophagus or cardia
    Amitabh Chak
    Division of Gastroenterology, University Hospitals of Cleveland and Ireland Cancer Center, Cleveland, Ohio 44106, USA
    Cancer 107:2160-6. 2006
    ....
  4. pmc Assessment of familiality, obesity, and other risk factors for early age of cancer diagnosis in adenocarcinomas of the esophagus and gastroesophageal junction
    Amitabh Chak
    Division of Gastroenterology, University Hospitals Case Medical Center, Case Western Reserve University School of Medicine, 11100 Euclid Avenue, Cleveland, Ohio 44106, USA
    Am J Gastroenterol 104:1913-21. 2009
    ..The aim of this study was to determine whether familiality and other recognized risk factors are associated with the development of these cancers at an earlier age...
  5. doi request reprint Infectious implications in the porcine model of natural orifice transluminal endoscopic surgery (NOTES) with PEG-tube closure: a quantitative bacteriologic study
    Michael F McGee
    Department of Surgery, Case Medical Center, Case Western Reserve University, Cleveland, OH 44106, USA
    Gastrointest Endosc 68:310-8. 2008
    ..Obtaining reliable closure of transvisceral defects currently limits natural orifice transluminal endoscopic surgery (NOTES). PEG tubes are potential means of managing NOTES gastrotomies...
  6. doi request reprint Creation of an effective and reproducible nonsurvival porcine model that simulates actively bleeding peptic ulcers
    Victor K Chen
    Division of Gastroenterology, Department of Medicine, Case Advanced Surgical Endoscopy Team CASE T, University Hospitals Case Medical Center, Cleveland, USA
    Gastrointest Endosc 68:548-53. 2008
    ..Efforts to develop improved endoscopic therapeutic methods for upper GI bleeding require an effective animal model...
  7. doi request reprint EUS in localizing safe alternate access sites for natural orifice transluminal endoscopic surgery: initial experience in a porcine model
    B Joseph Elmunzer
    Division of Gastroenterology, University of Michigan Medical Center, Ann Arbor, Michigan 48109, USA
    Gastrointest Endosc 69:108-14. 2009
    ..This approach does not afford mechanically efficient access to all anatomic areas of interest...
  8. doi request reprint Immediate unprepared hydroflush colonoscopy for severe lower GI bleeding: a feasibility study
    Aparna Repaka
    Division of Gastroenterology and Liver Disease, Digestive Health Institute, University Hospitals Case Medical Center and Case Western Reserve University, Cleveland, Ohio 44106, USA
    Gastrointest Endosc 76:367-73. 2012
    ....
  9. doi request reprint Initial evaluation of a novel, prototype, forward-viewing echoendoscope in a porcine arterial bleeding model (with video)
    B Joseph Elmunzer
    Division of Gastroenterology, University of Michigan Medical Center, Ann Arbor, Michigan 48109, USA
    Gastrointest Endosc 72:611-4. 2010
    ..Real-time visualization of submucosal arterial flow at the base of an ulcer might improve endoscopic hemostasis by permitting more accurate assessment of the artery, precise targeting of therapy, and confirmation of vessel ablation...
  10. doi request reprint Transgastric natural-orifice transluminal endoscopic surgery peritoneoscopy in humans: a pilot study in efficacy and gastrotomy site selection by using a hybrid technique
    Mehrdad Nikfarjam
    Department of Surgery, University Hospitals, Case Medical Center, Cleveland, Ohio 44106, USA
    Gastrointest Endosc 72:279-83. 2010
    ..The efficacy and optimal transgastric site for NOTES access in humans, however, has not been determined...
  11. doi request reprint The diagnostic efficacy of natural orifice transluminal endoscopic surgery: is there a role in the intensive care unit?
    Joseph A Trunzo
    Department of Surgery, University Hospitals Case Medical Center, Case Western Reserve University School of Medicine, 11100 Euclid Avenue, Lakeside Building 7th Floor, Cleveland, OH 44106, USA
    Surg Endosc 24:2485-91. 2010
    ..laparoscopic exploration in the identification of intra-abdominal pathology in a porcine model...
  12. pmc Association of insulin and insulin-like growth factors with Barrett's oesophagus
    Katarina B Greer
    Division of Gastroenterology and Liver Disease, University Hospitals Case Medical Center, Cleveland, Ohio, USA
    Gut 61:665-72. 2012
    ..The relationship of insulin, IGF-1 and IGF binding proteins (IGFBP) with Barrett's oesophagus (BO) has not been well examined...
  13. pmc A segregation analysis of Barrett's esophagus and associated adenocarcinomas
    Xiangqing Sun
    Department of Epidemiology and Biostatistics, Case Western Reserve University, 2103 Cornell Road, Cleveland, OH 44106, USA
    Cancer Epidemiol Biomarkers Prev 19:666-74. 2010
    ..63 (95% CI, 32.01-262.29). This segregation analysis provides epidemiologic evidence in support of one or more rare autosomally inherited dominant susceptibility allele(s) in FBE families and, hence, motivates linkage analyses...
  14. ncbi request reprint Consortium approach to identifying genes for Barrett's esophagus and esophageal adenocarcinoma
    Heather M Ochs-Balcom
    Department of Epidemiology and Biostatistics, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA
    Transl Res 150:3-17. 2007
    ....
  15. doi request reprint Late phase TNF-alpha depression in natural orifice translumenal endoscopic surgery (NOTES) peritoneoscopy
    Michael F McGee
    Case Advanced Surgical Endoscopy Team CASE T Laboratory, Departments of Surgery and Gastroenterology, Case Medical Center, Case Western Reserve University, Cleveland, Ohio 44106, USA
    Surgery 143:318-28. 2008
    ..Measurement of interleukin-1 (IL-1), interleukin-6 (IL-6), and tumor necrosis factor-alpha (TNF-alpha) is a validated method to quantify surgical stress. The physiologic and immunologic impact of NOTES is unknown...
  16. pmc Barrett's esophagus and the risk of obstructive sleep apnea: a case-control study
    Linda C Cummings
    Division of Gastroenterology and Liver Disease, Department of Medicine, University Hospitals Case Medical Center, 1100 Euclid Avenue Mailstop 5066, Cleveland, OH, 44106 5066, USA
    BMC Gastroenterol 13:82. 2013
    ....
  17. doi request reprint Does rectal indomethacin eliminate the need for prophylactic pancreatic stent placement in patients undergoing high-risk ERCP? Post hoc efficacy and cost-benefit analyses using prospective clinical trial data
    B Joseph Elmunzer
    Division of Gastroenterology, University of Michigan Medical Center, Ann Arbor, Michigan 48109, USA
    Am J Gastroenterol 108:410-5. 2013
    ..We performed a post hoc analysis of this RCT to explore whether rectal indomethacin can replace PSP in the prevention of PEP and to estimate the potential cost savings of such an approach...
  18. ncbi request reprint Does prophylactic pancreatic stent placement reduce the risk of post-ERCP acute pancreatitis? A meta-analysis of controlled trials
    Pankaj Singh
    Division of Gastroenterology, Department of Internal Medicine, University Hospitals of Cleveland, Ohio, USA
    Gastrointest Endosc 60:544-50. 2004
    ..The aim of this meta-analysis was to determine whether temporary stent placement across the main pancreatic-duct orifice lowers the frequency of post-ERCP acute pancreatitis in patients at high risk for this complication...
  19. ncbi request reprint Accuracy of endoscopic optical coherence tomography in the detection of dysplasia in Barrett's esophagus: a prospective, double-blinded study
    Gerard Isenberg
    Department of Medicine, Division of Gastroenterology, University Hospitals of Cleveland, Case Western Reserve University, Cleveland, OH 44106 5066, USA
    Gastrointest Endosc 62:825-31. 2005
    ..This study evaluated the accuracy of EOCT for the diagnosis and the exclusion of dysplasia in patients with Barrett's esophagus...
  20. doi request reprint Variability in measurements of pancreatic cyst size among EUS, CT, and magnetic resonance imaging modalities
    Santo Maimone
    Department of Medicine, University Hospitals Case Medical Center, Cleveland, Ohio 44106, USA
    Gastrointest Endosc 71:945-50. 2010
    ..Cyst size is an important factor in the management of pancreatic cysts, both in predicting the need for surgery and the frequency of follow-up...
  21. doi request reprint EUS and survival in patients with pancreatic cancer: a population-based study
    Saowanee Ngamruengphong
    Division of Gastroenterology, Mayo Clinic Arizona, Scottsdale, Arizona 85259, USA
    Gastrointest Endosc 72:78-83, 83.e1-2. 2010
    ..There is no direct evidence that EUS improves patient outcome...
  22. ncbi request reprint Postprocedure radiologist's interpretation of ERCP x-ray films: a prospective outcomes study
    Steve Kucera
    Department of Internal Medicine, Division of Gastroenterology, University Hospitals of Cleveland, Case Western Reserve University, Cleveland, Ohio 44106, USA
    Gastrointest Endosc 66:79-83. 2007
    ....
  23. ncbi request reprint Primary care physician attitudes toward endoscopic screening for GERD symptoms and unsedated esophagoscopy
    Vikram Boolchand
    Department of Medicine, University Hospitals of Cleveland, Case Western Reserve University, Cleveland, Ohio, USA
    Gastrointest Endosc 63:228-33. 2006
    ..Unsedated esophagoscopy (UE) is a less costly alternative to standard EGD for identifying BE. The aim of this study was to determine the indications for EGD referral, the barriers to screening, and the interest in performing UE...
  24. doi request reprint Receipt of previous diagnoses and endoscopy and outcome from esophageal adenocarcinoma: a population-based study with temporal trends
    Gregory S Cooper
    Division of Gastroenterology, Department of Medicine, University Hospitals Case Medical Center, 11100 Euclid Avenue, Cleveland, OH 44106 5066, USA
    Am J Gastroenterol 104:1356-62. 2009
    ..There are only limited data regarding the use, effectiveness, and temporal trends of this strategy...
  25. doi request reprint Development of subsquamous high-grade dysplasia and adenocarcinoma after successful radiofrequency ablation of Barrett's esophagus
    Mohammad Titi
    Division of Gastroenterology, Veterans Affairs Medical Center, University of Kansas School of Medicine, 4801 East Linwood Boulevard, Kansas City, Missouri 64128, USA
    Gastroenterology 143:564-6.e1. 2012
    ....
  26. ncbi request reprint Success and shortcomings of a clinical care pathway in the management of acute nonvariceal upper gastrointestinal bleeding
    Patrick R Pfau
    Division of Gastroenterology, Department of Medicine, Quality Center, University Hospitals of Cleveland, Case Western Reserve University, Cleveland, Ohio 44106 5066, USA
    Am J Gastroenterol 99:425-31. 2004
    ..We sought to establish if a GI bleeding clinical care pathway could improve the quality and cost effectiveness of inpatient medical care...
  27. pmc Motion artifacts associated with in vivo endoscopic OCT images of the esophagus
    Wei Kang
    Department of Biomedical Engineering, Case Western Reserve University, 10900 Euclid Avenue, Cleveland, Ohio 44106, USA
    Opt Express 19:20722-35. 2011
    ..An automated registration algorithm was designed to correct such artifacts. The performance of the algorithm was evaluated in images of normal porcine esophagus and demonstrated in images of BE in human patients...
  28. pmc Endoscopically guided spectral-domain OCT with double-balloon catheters
    Wei Kang
    Department of Biomedical Engineering, Case Western Reserve University, 10900 Euclid Avenue, Cleveland, Ohio 44106, USA
    Opt Express 18:17364-72. 2010
    ..A system design based on a spectral-domain OCT platform is reported and validated by acquisition of high quality, volumetric images of swine esophagus in vivo...
  29. ncbi request reprint Ultrathin esophagoscopy in screening for Barrett's esophagus at a Veterans Administration Hospital: easy access does not lead to referrals
    Matt Atkinson
    Case Western Reserve University, Cleveland, Ohio, USA
    Am J Gastroenterol 103:92-7. 2008
    ..Our purpose was to evaluate primary-care physician referrals for BE screening when unsedated esophagoscopy is made available...
  30. doi request reprint Biodegradable esophageal stent placement does not prevent high-grade stricture formation after circumferential mucosal resection in a porcine model
    Eric M Pauli
    Department of Surgery, University Hospitals Case Medical Center, 11100 Euclid Ave, Mail Stop LKS 5047, Cleveland, OH 44106, USA
    Surg Endosc 26:3500-8. 2012
    ..We hypothesized that placement of a biodegradable stent (BD-stent) immediately after circumferential EEM would prevent stricturing...
  31. pmc Aberrant vimentin methylation is characteristic of upper gastrointestinal pathologies
    Helen Moinova
    Case Western Reserve University, 10900 Euclid Avenue, Cleveland, OH 44106, USA
    Cancer Epidemiol Biomarkers Prev 21:594-600. 2012
    ..We now examine vimentin methylation in neoplasia of the upper gastrointestinal tract...
  32. ncbi request reprint A novel use of endoscopic clips in the treatment planning for radiation therapy (XRT) of esophageal cancer
    Patrick R Pfau
    Division of Gastroenterology, University Hospitals of Cleveland, Case Western Reserve University, Cleveland, OH 44118, USA
    J Clin Gastroenterol 39:372-5. 2005
    ..To determine if the placement of metal endoclips improves radiotherapy (XRT) planning for esophageal cancer...
  33. doi request reprint Endoscopic access to and exploration of the lesser sac in a human cadaver model: opportunity for transgastric endoscopic pancreatic surgery (with video)
    B Joseph Elmunzer
    Division of Gastroenterology, University of Michigan Medical Center, 3912 Taubman Center, SPC 5362, Ann Arbor, MI 48109, USA
    Surg Endosc 25:2725-30. 2011
    ....
  34. ncbi request reprint Natural orifice transluminal endoscopic surgery (NOTES) as a diagnostic tool in the intensive care unit
    Raymond P Onders
    Department of Surgery, Case Western Reserve University and University Hospitals of Cleveland, Cleveland, OH, USA
    Surg Endosc 21:681-3. 2007
    ..Natural orifice transluminal endoscopic surgery (NOTES) can provide access to the peritoneal cavity as a bedside procedure and may decrease the number of patients with unrecognized intra-abdominal catastrophic events...
  35. ncbi request reprint Pancreatic-stent placement for prevention of post-ERCP pancreatitis: a cost-effectiveness analysis
    Ananya Das
    Division of Gastroenterology, Mayo Clinic Scottsdale, Scottsdale, Arizona 85259, USA
    Gastrointest Endosc 65:960-8. 2007
    ..Controlled trials support pancreatic-stent placement as an effective intervention for the prevention of post-ERCP acute pancreatitis in high-risk patients...
  36. ncbi request reprint Identification of Barrett's esophagus in relatives by endoscopic screening
    Amitabh Chak
    Division of Gastroenterology, Department of Medicine, University Hospitals of Cleveland, Case Western Reserve University School of Medicine, Cleveland, Ohio 44106, USA
    Am J Gastroenterol 99:2107-14. 2004
    ..The aim of the study was to determine whether endoscopic screening would identify Barrett's esophagus (BE) in relatives of probands with BE or esophageal adenocarcinoma (EAC)...
  37. ncbi request reprint Temporal trend in relative risk of second primary colorectal cancer
    Ananya Das
    Division of Gastroenterology, Mayo Clinic Scottsdale, Scottsdale, Arizona 85259, and Division of Gastroenterology, Case Western Reserve University School of Medicine, Cleveland, OH, USA
    Am J Gastroenterol 101:1342-7. 2006
    ..Thus, it is likely that the risk for second primary CRC also has changed over the years...
  38. doi request reprint Hydroperitoneum-facilitated EUS-guided peritoneal entry and closure of alternate access sites for NOTES
    B Joseph Elmunzer
    Division of Gastroenterology, University of Michigan, Ann Arbor, MI 48109, USA
    Surg Innov 17:101-7. 2010
    ..This study evaluates the utility of hydroperitoneum as an adjunct to EUS-guided access and closure of alternate access sites for NOTES...
  39. ncbi request reprint EUS spectrum analysis for in vivo characterization of pancreatic and lymph node tissue: a pilot study
    Ronald E Kumon
    Division of Gastroenterology, University Hospitals Case Medical Center and Case Western Reserve University, Cleveland, Ohio 44106 5066, USA
    Gastrointest Endosc 66:1096-106. 2007
    ..By using information otherwise discarded by conventional EUS systems, quantitative spectral analysis of the raw radiofrequency (RF) signals underlying EUS images enables tissue to be characterized more objectively...
  40. ncbi request reprint Innovative methods of biliary tract diagnosis: intraductal ultrasound and tissue acquisition
    Amitabh Chak
    Case Western Reserve University School of Medicine, Division of Gastroenterology, USA
    Gastrointest Endosc Clin N Am 13:609-22. 2003
    ..Continued research into the design of the probes, which could improve durability and extend the depth of penetration, may promote more widespread use of this novel technology...
  41. doi request reprint Racial differences in measures of obesity and risk of colon adenoma
    Cheryl L Thompson
    Department of Family Medicine, Case Western Reserve University, Cleveland, Ohio, USA
    Obesity (Silver Spring) 20:673-7. 2012
    ..30, P(trend) = 0.025). Our data highlight the importance of obesity in the development of early colon neoplasia and suggest substantial racial differences in the measures of obesity most strongly associated with risk of colon adenomas...
  42. ncbi request reprint Colorectal screening after polypectomy: a national survey study of primary care physicians
    Vikram Boolchand
    University Hospitals of Cleveland, Case Western Reserve University, Cleveland, Ohio, USA
    Ann Intern Med 145:654-9. 2006
    ..Recommendations by primary care physicians for colorectal screening after polypectomy will influence rates of colonoscopy in open-access systems that do not require consultation by a gastroenterologist before colonoscopy...
  43. doi request reprint Endoscopic mucosal resection with full-thickness closure for difficult polyps: a prospective clinical trial
    Deepak Agrawal
    Department of Gastroenterology, University Hospitals Case Medical Center, Cleveland, Ohio 44106, USA
    Gastrointest Endosc 71:1082-8. 2010
    ..Large flat polyps may be more amenable to endoscopic resection if an endoluminal method for full-thickness closure were available...
  44. ncbi request reprint Association of esophageal adenocarcinoma with other subsequent primary cancers
    Ananya Das
    Division of Gastroenterology, Mayo Clinic Scottsdale, AZ 85259, USA
    J Clin Gastroenterol 40:405-11. 2006
    ..The authors used the Surveillance, Epidemiology and End-Results database of the National Cancer Institute to explore the association of esophageal adenocarcinoma with other primary cancers...
  45. ncbi request reprint Endoscopic ultrasonography and prognosis of esophageal cancer
    Ananya Das
    Division of Gastroenterology, Mayo Clinic Scottsdale, Scottsdale, Arizona, USA
    Clin Gastroenterol Hepatol 4:695-700. 2006
    ..Our aim was to study the association of receipt of EUS and overall survival in a cohort of patients with esophageal cancer...
  46. ncbi request reprint In vivo optical coherence tomography imaging of the pancreatic and biliary ductal system
    Pankaj Singh
    Division of Gastroenterology, University Hospitals of Cleveland, Case Western Reserve University, Cleveland, Ohio, USA
    Gastrointest Endosc 62:970-4. 2005
    ..The aim of this study was to obtain in vivo OCT images of dog pancreatic and biliary ducts, and to correlate the images with histology...
  47. doi request reprint Preliminary results of antiscarring therapy in the prevention of postendoscopic esophageal mucosectomy strictures
    Yuhsin Wu
    Department of Surgery, University Hospitals Case Medical Center, 11100 Euclid Ave, Mail Stop LKS 5047, Cleveland, OH, 44106, USA
    Surg Endosc 28:447-55. 2014
    ..Mitomycin C (MMC), halofuginone (Hal), and transforming growth factor β3 (TGF-β3) exhibits antiscarring effects that may prevent post-ESD stricture formation...
  48. ncbi request reprint Sphincter of Oddi manometry does not predispose to post-ERCP acute pancreatitis
    Pankaj Singh
    Current affiliations Division of Gastroenterology, University Hospitals of Cleveland, Cleveland, Ohio, USA
    Gastrointest Endosc 59:499-505. 2004
    ..The secondary objective was to determine the risk factors for post-ERCP pancreatitis in patients with sphincter of Oddi dysfunction...
  49. ncbi request reprint Clinical utility of intraductal US for evaluation of choledocholithiasis
    Andrew Catanzaro
    University Hospitals of Cleveland and Louis Stokes Cleveland Veterans Affairs Medical Center, Case Western Reserve University School of Medicine, Ohio 44106, USA
    Gastrointest Endosc 57:648-52. 2003
    ..This study aimed to determine the clinical utility of intraductal US for patient management...
  50. ncbi request reprint Criteria for the diagnosis of dysplasia by endoscopic optical coherence tomography
    Patrick R Pfau
    Division of Gastroenterology, University Hospitals of Cleveland, Case Western Reserve University, Cleveland, Ohio, USA
    Gastrointest Endosc 58:196-202. 2003
    ..It is unknown whether endoscopic optical coherence tomography can reliably detect dysplasia. Colon polyps were used as a model to determine whether dysplasia in GI tissue has characteristic optical coherence tomography imaging features...
  51. ncbi request reprint Association of prediagnosis endoscopy with stage and survival in adenocarcinoma of the esophagus and gastric cardia
    Gregory S Cooper
    Division of Gastroenterology, University Hospitals of Cleveland, Cleveland, Ohio 44106, USA
    Cancer 95:32-8. 2002
    ..However, the actual use and clinical impact of upper gastrointestinal endoscopy in screening and surveillance for Barrett esophagus are unknown...
  52. doi request reprint Asymptomatic pancreatic cystic neoplasm: a cost-effectiveness analysis of different strategies of management
    Ananya Das
    Division of Gastroenterology, Mayo Clinic Arizona, Scottsdale, AZ 85259, USA
    Gastrointest Endosc 70:690-699.e6. 2009
    ..Optimal management of asymptomatic pancreatic cystic neoplasm is not known...
  53. ncbi request reprint The yield of bleeding scans in acute lower gastrointestinal hemorrhage
    Gregory D Olds
    Division of Gastroenterology, Department of Medicine, University Hospitals of Cleveland, Case Western Reserve University, Cleveland, OH 44106 5066, USA
    J Clin Gastroenterol 39:273-7. 2005
    ..Our objective was to evaluate the accuracy of TRBC scintigraphy in clinical day-to-day practice at our institution and to determine predictors of a positive test...
  54. ncbi request reprint Long-term follow-up of patients with clinically indeterminate suspicion of pancreatic cancer and normal EUS
    Andrew Catanzaro
    University Hospitals of Cleveland Case Western Reserve University School of Medicine, Cleveland, Ohio 44106, USA
    Gastrointest Endosc 58:836-40. 2003
    ..The aim of this study was to determine the true negative predictive value of a normal EUS in a cohort of patients with an indeterminate suspicion of pancreatic cancer by obtaining long-term follow-up information...
  55. ncbi request reprint Gastroesophageal reflux disease-associated esophagitis induces endogenous cytokine production leading to motor abnormalities
    Florian Rieder
    Division of Gastroenterology, University Hospitals of Cleveland, Case Western Reserve University School of Medicine, Cleveland, Ohio
    Gastroenterology 132:154-65. 2007
    ....
  56. doi request reprint Commercially available biological mesh does not prevent stricture after esophageal mucosectomy
    Steve J Schomisch
    Department of Surgery, University Hospitals Case Medical Center, Cleveland, Ohio, USA
    Endoscopy 46:144-8. 2014
    ..We aimed at assessing the efficacy of placement of a commercially available biological mesh for preventing stricture formation following esophageal EMR...
  57. pmc International Cancer of the Pancreas Screening (CAPS) Consortium summit on the management of patients with increased risk for familial pancreatic cancer
    Marcia Irene Canto
    Division of Gastroenterology, Johns Hopkins University, The Sol Goldman Pancreatic Cancer Research Center, 1830 E Monument Street, Baltimore, MD 21205, USA
    Gut 62:339-47. 2013
    ..Screening individuals at increased risk for pancreatic cancer (PC) detects early, potentially curable, pancreatic neoplasia...
  58. ncbi request reprint Prediction of outcome in acute lower-gastrointestinal haemorrhage based on an artificial neural network: internal and external validation of a predictive model
    Ananya Das
    Division of Gastroenterology, Department of Medicine, University Hospitals of Cleveland, Case Western Reserve University, Cleveland, OH 44106 5066, USA
    Lancet 362:1261-6. 2003
    ..We investigated whether ANN models using information available during triage could predict clinical outcome in patients with this disorder...
  59. ncbi request reprint Prospective evaluation of 4-mm diameter endoscopes for esophagoscopy in sedated and unsedated patients
    Andrew Catanzaro
    Division of Gastroenterology, University Hospitals of Cleveland, Case Western Reserve University School of Medicine, Cleveland, Ohio 44106, USA
    Gastrointest Endosc 57:300-4. 2003
    ..Patient tolerance for an unsedated examination with the 4-mm endoscopes was assessed and the performance characteristics of the battery-powered and video 4-mm endoscopes were compared...
  60. pmc A randomized trial of rectal indomethacin to prevent post-ERCP pancreatitis
    B Joseph Elmunzer
    Division of Gastroenterology, University of Michigan Medical Center, Ann Arbor, MI 48109, USA
    N Engl J Med 366:1414-22. 2012
    ..Preliminary research suggests that rectally administered nonsteroidal antiinflammatory drugs may reduce the incidence of pancreatitis after endoscopic retrograde cholangiopancreatography (ERCP)...
  61. ncbi request reprint The changing landscape of practice patterns regarding unsedated endoscopy and propofol use: a national Web survey
    Ashley L Faulx
    Division of Gastroenterology, Department of Medicine, University Hospitals of Cleveland, Ohio, USA
    Gastrointest Endosc 62:9-15. 2005
    ..The aim was to determine national practice patterns of unsedated endoscopy and propofol sedation, and to assess endoscopists' attitudes toward unsedated screening with an electronic survey...
  62. ncbi request reprint Are large side holes associated with reduced rates of pancreatic stent occlusion? Results of a prospective study
    Jonathan M Buscaglia
    Division of Gastroenterology, Department of Medicine, Johns Hopkins University School of Medicine, Johns Hopkins Hospital, Baltimore, MD, USA
    JOP 10:496-500. 2009
    ..Pancreatic stents are frequently clogged at the time of removal. There is limited data regarding the factors associated with stent occlusion...
  63. ncbi request reprint Carbohydrate consumption and esophageal cancer:an ecological assessment
    Cheryl L Thompson
    Department of Family Medicine, Case Comprehensive Cancer Center, Case Western Reserve University, Cleveland, Ohio 44106 7136, USA
    Am J Gastroenterol 103:555-61. 2008
    ....
  64. ncbi request reprint Complete endoscopic closure of gastric defects using a full-thickness tissue plicating device
    Michael F McGee
    Department of Surgery, University Hospitals Case Medical Center, Case Western Reserve University, 11100 Euclid Avenue, 7th Floor Lakeside Bldg, Cleveland, OH 44106, USA
    J Gastrointest Surg 12:38-45. 2008
    ..Endoscopic TPD closure of standardized NOTES gastric defects results in strong, leak-proof closure; however, injuries can occur. These findings support evaluation of TPD closure in human trials involving noncontrolled gastric defects...
  65. ncbi request reprint The polyp detection rate of colonoscopy: a national study of Medicare beneficiaries
    Gregory S Cooper
    Division of Gastroenterology, Department of Medicine, University Hospitals of Cleveland, Case Western Reserve University School of Medicine, Cleveland, Ohio 44106 5066, USA
    Am J Med 118:1413. 2005
    ..These data may be informative in predicting resource allocation for therapeutic procedures associated with colonoscopy. Future studies should determine the use and yield of serial colonoscopies for polyp surveillance...
  66. ncbi request reprint Effectiveness of open-access endoscopy in routine primary-care practice
    Roger J Charles
    The Division of Gastroenterology, University Hospitals of Cleveland, Case Western Reserve University, Ohio 44106, USA
    Gastrointest Endosc 57:183-6. 2003
    ..However, the effect of open-access endoscopy on the care of patients in routine clinical practice has not been studied...
  67. ncbi request reprint Endoscopic Doppler US probe for the diagnosis of gastric varices (with videos)
    Richard C K Wong
    Division of Gastroenterology, Department of Medicine, University Hospitals Case Medical Center, 11100 Eucl id Avenue, Cleveland, OH 44106, USA
    Gastrointest Endosc 65:491-6. 2007
    ..Gastric varices may appear similar to enlarged gastric folds and submucosal neoplasms at endoscopy. A simple endoscopic method to diagnose variceal blood flow without formal EUS could be clinically useful...
  68. ncbi request reprint Association of ampullary and colorectal malignancies
    Ananya Das
    Division of Gastroenterology, University Hospitals of Cleveland, Case Western Reserve University, Cleveland, Ohio 44106, USA
    Cancer 100:524-30. 2004
    ....
  69. ncbi request reprint Sedationless upper endoscopy
    Amitabh Chak
    Case Western Reserve University School of Medicine, University Hospitals of Cleveland, Cleveland, Ohio, USA
    Rev Gastroenterol Disord 6:13-21. 2006
    ..Unsedated upper endoscopy can provide an efficient, cost-effective alternative to standard endoscopy, should be useful for endoscopic screening, and can be offered as an option to conventional sedated examination...
  70. ncbi request reprint Sedationless upper endoscopy
    Amitabh Chak
    Case Western Reserve University School of Medicine, University Hospitals of Cleveland, Cleveland, Ohio, USA
    Rev Gastroenterol Disord 6:S3-11. 2006
    ..Unsedated upper endoscopy can provide an efficient, cost-effective alternative to standard endoscopy, should be useful for endoscopic screening, and can be offered as an option to conventional sedated examination...
  71. doi request reprint Endoscopic management of Barrett esophagus
    Aparna Repaka
    Division of Gastroenterology, University Hospitals Case Medical Center, Case Western Reserve University, Wearn 247, 11100 Euclid Avenue, Cleveland, OH 44106, USA
    Nat Rev Gastroenterol Hepatol 8:582-91. 2011
    ..Development of safer wide-field resection techniques, which would effectively remove all Barrett esophagus and obviate the need for long-term surveillance, is needed...
  72. doi request reprint Sedation during endoscopy for patients at risk of obstructive sleep apnea
    Vijay S Khiani
    Department of Medicine, Division of Gastroenterology, Yale University, New Haven, Connecticut, USA
    Gastrointest Endosc 70:1116-20. 2009
    ..Obstructive sleep apnea (OSA) has become increasingly prevalent in the United States and often goes undiagnosed...
  73. ncbi request reprint An international survey of the clinical practice of EUS
    Ananya Das
    Division of Gatroenterology, University Hospitals of Cleveland, Case Western Reserve University, Ohio 44106, USA
    Gastrointest Endosc 60:765-70. 2004
    ..No comparative information exists regarding clinical variations in EUS practice patterns among American and international endosonographers...
  74. ncbi request reprint A primer on natural orifice transluminal endoscopic surgery: building a new paradigm
    Michael F McGee
    Department of Surgery Case, University Hospitals of Cleveland, Cleveland, Ohio 44106, USA
    Surg Innov 13:86-93. 2006
    ..This article reviews the status, contemporary body of literature, limitations, and potential future implications accompanying the development of NOTES...
  75. doi request reprint Phase II and pharmacokinetic trial of rebeccamycin analog in advanced biliary cancers
    Afshin Dowlati
    University Hospitals Case Medical Center, 11100 Euclid Avenue, Cleveland, OH 44106, USA
    Cancer Chemother Pharmacol 65:73-8. 2009
    ..Advanced cancers of the bile duct and gallbladder carry an ominous prognosis. Rebeccamycin analogue (RA) is a novel antitumor antibiotic where phase I trials suggested clinical efficacy in patients with biliary cancers...
  76. ncbi request reprint Eosinophilic enteritis
    Amitabh Chak
    Division of Gastroenterology, University Hospitals of Cleveland, Case Western Reserve University, Ohio, USA
    Gastrointest Endosc 60:601-2. 2004
  77. ncbi request reprint Correlation of EUS measurement with pathologic assessment of neoadjuvant therapy response in esophageal carcinoma
    Joseph Willis
    Department of Pathology, University Hospitals of Cleveland Case Western Reserve University, Cleveland, Ohio 44106, USA
    Gastrointest Endosc 55:655-61. 2002
    ..The aim of this study was to determine whether tumor changes measured by EUS correspond to pathologically assessed chemoradiotherapy-induced tumor regression...
  78. ncbi request reprint EUS in submucosal tumors
    Amitabh Chak
    Division of Gastroenterology, University Hospitals of Cleveland, Case Western Reserve University, Cleveland, Ohio 44106, USA
    Gastrointest Endosc 56:S43-8. 2002
  79. ncbi request reprint Endoscopic retrograde cholangiopancreatography in children and adolescents
    Patrick R Pfau
    Division of Gastroenterology, University Hospitals of Cleveland, Case Western Reserve University School of Medicine, Cleveland, Ohio 44106 5066, USA
    J Pediatr Gastroenterol Nutr 35:619-23. 2002
    ..We sought to determine the indications, feasibility, safety, and effect on patient management of ERCP in pediatric patients of varying age...
  80. ncbi request reprint Acute pancreatitis resulting from a nonfunctional islet cell tumor detected and localized by EUS
    Ashley Faulx
    Division of Gastroenterology, University Hospitals of Cleveland, Case Western Reserve University, Cleveland, Ohio 44106, USA
    Gastrointest Endosc 55:119-21. 2002
  81. ncbi request reprint A prospective evaluation of outcome in patients referred for PEG placement
    Kenji Kobayashi
    Division of Gastroenterology, University Hospitals of Cleveland, Case Western Reserve University, Cleveland, Ohio 44106 5066, USA
    Gastrointest Endosc 55:500-6. 2002
    ..The primary aim of this study was to prospectively identify factors predictive of survival in patients referred for PEG placement...
  82. ncbi request reprint Endoscopic treatment of high-grade dysplasia and early cancer in Barrett's oesophagus
    Massimo Conio
    Department of Gastroenterology, Sanremo Hospital, Sanremo, Italy
    Lancet Oncol 6:311-21. 2005
    ..The current ablative techniques used are photodynamic therapy, argon plasma coagulation, laser treatment, and endoscopic mucosal resection...
  83. ncbi request reprint EUS assessment of response to chemoradiation in esophageal cancer patients
    Amitabh Chak
    Am J Gastroenterol 100:496-7; author reply 497-9. 2005
  84. ncbi request reprint Increased risk of squamous cell esophageal cancer after adjuvant radiation therapy for primary breast cancer
    Lydia B Zablotska
    Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY, USA
    Am J Epidemiol 161:330-7. 2005
    ..This finding appears to be a function of the portals used for postmastectomy radiation therapy, which do not expose the lowest third of the esophagus, where adenocarcinomas commonly arise...
  85. ncbi request reprint Quality indicators for colonoscopy
    Douglas K Rex
    ASGE Communications Department, 1520 Kensington Road, Suite 202, Oak Brook, IL 60523, USA
    Gastrointest Endosc 63:S16-28. 2006
  86. ncbi request reprint Should there be light in the esophageal tunnel? An appraisal of optical coherence tomography in Barrett's esophagus
    Gerard Isenberg
    Gastrointest Endosc 65:57-9. 2007
  87. ncbi request reprint EUS-guided fine needle aspiration of the liver: indications, yield, and safety based on an international survey of 167 cases
    Jorgen tenBerge
    Medical University of South Carolina, Charleston, South Carolina, Institut Paoli Calmettes, Marseilles, France
    Gastrointest Endosc 55:859-62. 2002
    ..The liver is a common site of metastases for various malignancies. EUS-guided fine needle aspiration (EUS-FNA) of liver masses has only been reported in small series from single centers...
  88. ncbi request reprint Quality indicators for colonoscopy
    Douglas K Rex
    Am J Gastroenterol 101:873-85. 2006