FIND

researchers

DISCOVER

relevant articles

PROMOTE

your research

now for free

Amitabh Chak

Research Profile

Procedures

Disorders

Concepts & Ideas

Activities & Behaviors

Equipment Design

Geographic Areas

United States

Co-author Network

Publications

TOP 3
B Joseph Elmunzer; Grace H Elta; Evan L Fogel; Rodney A Hayward; Peter D R Higgins; Sheryl J Korsnes; Glen A Lehman; Patrick Mosler; Robert A Parker; Joseph Romagnuolo; Sameer D Saini; James M Scheiman; Suzette E Schmidt; Stuart Sherman; Amitabh Chak
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.
Eric M Pauli; Jeffrey L Ponsky; Steve J Schomisch; Amitabh Chak; Joseph P Furlan; Richard H Lash; Andrea S Marks; Jeffrey M Marks
Biodegradable esophageal stent placement does not prevent high-grade stricture formation after circumferential mucosal resection in a porcine model.
Gary W Falk; David E Fleischer; Nathan R Foster; Chin Hur; Paul J Limburg; Sumithra J Mandrekar; Norman E Marcon; Ellen Richmond; Yvonne Romero; Thomas Schnell; Prateek Sharma; Thomas C Smyrk; David S Weinberg; Katie L Allen Ziegler; Navtej S Buttar; Amitabh Chak; Douglas A Corley; Marcia Cruz-Correa; Gary Della'Zanna; Catherine J Demars; Kenneth R Devault
A combination of esomeprazole and aspirin reduces tissue concentrations of prostaglandin E(2) in patients with Barrett's esophagus.

Register for free to view:

Visualized networks:

See your personal network in
sophisticated graphical views

GeoTargeted Searches:

Locate experts around the world
and connect with global collaborators

Research Profiles:

See the research activity
of experts around the globe

Geonetwork of Amitabh Chak (preview)

Cities where this author has publications
Cities where co-authors of this author have publications

Flash Player Required

All Publications

2013: B Joseph Elmunzer; Grace H Elta; Evan L Fogel; Rodney A Hayward; Peter D R Higgins; Sheryl J Korsnes; Glen A Lehman; Patrick Mosler; Robert A Parker; Joseph Romagnuolo; Sameer D Saini; James M Scheiman; Suzette E Schmidt; Stuart Sherman; Amitabh Chak
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.
The American journal of gastroenterology 2013;108(3):410-5.
2012: Eric M Pauli; Jeffrey L Ponsky; Steve J Schomisch; Amitabh Chak; Joseph P Furlan; Richard H Lash; Andrea S Marks; Jeffrey M Marks
Biodegradable esophageal stent placement does not prevent high-grade stricture formation after circumferential mucosal resection in a porcine model.
Surgical endoscopy 2012;26(12):3500-8.
2012: Gary W Falk; David E Fleischer; Nathan R Foster; Chin Hur; Paul J Limburg; Sumithra J Mandrekar; Norman E Marcon; Ellen Richmond; Yvonne Romero; Thomas Schnell; Prateek Sharma; Thomas C Smyrk; David S Weinberg; Katie L Allen Ziegler; Navtej S Buttar; Amitabh Chak; Douglas A Corley; Marcia Cruz-Correa; Gary Della'Zanna; Catherine J Demars; Kenneth R Devault
A combination of esomeprazole and aspirin reduces tissue concentrations of prostaglandin E(2) in patients with Barrett's esophagus.
Gastroenterology 2012;143(4):917-26.e1.
2012: Jonathan Cohen; Brian James Dunkin; Dayna S Early; Lauren B Gerson; Robert H Hawes; Adam V Haycock; Juergen H Hochberger; Joo Ha Hwang; John A Martin; Peter R McNally; Robert E Sedlack; Brian P Bosworth; Amitabh Chak; Melina C Vassiliou
Preservation and Incorporation of Valuable Endoscopic Innovations (PIVI) on the use of endoscopy simulators for training and assessing skill.
Gastrointestinal endoscopy 2012;76(3):471-5.
2012: Mohammad Titi; Ozlem Ulusarac; Kenneth Wang; Amitabh Chak; Gary W Falk; Andrew Overhiser; Prateek Sharma
Development of subsquamous high-grade dysplasia and adenocarcinoma after successful radiofrequency ablation of Barrett's esophagus.
Gastroenterology 2012;143(3):564-6.e1.
2012: Aparna Repaka; Matthew R Atkinson; Amitabh Chak; Gregory S Cooper; Ashley Faulx; Gerard A Isenberg; Richard C K Wong
Immediate unprepared hydroflush colonoscopy for severe lower GI bleeding: a feasibility study.
Gastrointestinal endoscopy 2012;76(2):367-73.
2012: Anjan Talukdar; Patrice Watson; Amitabh Chak; Xiang Fang; Tommy Lee; Henry Lynch; Sumeet Mittal
Prevalence of extra-esophageal cancers in patients with Barrett's esophagus and esophageal adenocarcinoma.
Tropical gastroenterology : official journal of the Digestive Diseases Foundation 2012;33(3):185-8.
2012: R E Kumon; A Repaka; R C K Wong; M Atkinson; Cheri X Deng; Ashley Faulx; M S R Gudur; Y-S Hsiao; Gerard A Isenberg; Amitabh Chak
Lymph node characterization in vivo using endoscopic ultrasound spectrum analysis with electronic array echo endoscopes.
Endoscopy 2012;44(6):618-21.
2012: Kenneth J Chang; Nadar N Hanna; Harlan Pinto; Tony Reid; Neil Senzer; Amitabh Chak; Stephen Swisher; Roy Soetikno
Phase I evaluation of TNFerade biologic plus chemoradiotherapy before esophagectomy for locally advanced resectable esophageal cancer.
Gastrointestinal endoscopy 2012;75(6):1139-46.e2.
2012: Ronald E Kumon; Aparna Repaka; Richard C K Wong; Matthew Atkinson; Cheri X Deng; Ashley Faulx; Madhu S R Gudur; Yi-Sing Hsiao; Gerard A Isenberg; Amitabh Chak
Characterization of the pancreas in vivo using EUS spectrum analysis with electronic array echoendoscopes.
Gastrointestinal endoscopy 2012;75(6):1175-83.
2012: Anne F Peery; Alejandro F Sanz; Nicholas J Shaheen; Melissa Spacek; Susan Bream; Amitabh Chak; Diane Connors; Norma Daugherty; Jon Davison; Evan S Dellon; Ashley L Faulx; Katherine S Garman; Toshitaka Hoppo; Blair A Jobe; James D Luketich
Feasibility, safety, acceptability, and yield of office-based, screening transnasal esophagoscopy (with video).
Gastrointestinal endoscopy 2012;75(5):945-953.e2.
2012: Rom S Leidner; Anirban Maitra; Sanford D Markowitz; Lakshmeswari Ravi; Mirte Streppel; Joseph Willis; JEAN WANG; Mark D Adams; Jill S Barnholtz-Sloan; Beth Bednarchik; Marcia Canto; Amitabh Chak; Yanwen Chen; Patrick Leahy; Kishore Guda
The microRNAs, MiR-31 and MiR-375, as candidate markers in Barrett's esophageal carcinogenesis.
Genes, chromosomes & cancer 2012;51(5):473-9.
2012: Katarina B Greer; Li Li; Cheryl L Thompson; Joseph Willis; Gregory S Cooper; Dawn Dawson; Gary W Falk; William M Grady; Beth Bednarchik; Lacie Brenner; Amitabh Chak
Association of insulin and insulin-like growth factors with Barrett's oesophagus.
Gut 2012;61(5):665-72.
2012: B Joseph Elmunzer; Grace H Elta; Evan L Fogel; Rodney A Hayward; Peter Higgins; Sheryl J Korsnes; Richard S Kwon; Glen A Lehman; Lee McHenry; Patrick Mosler; Sylvia Nicholson; Cyrus R Piraka; Aparna Repaka; Joseph Romagnuolo; James M Scheiman; Suzette E Schmidt; Stuart Sherman; Sarah M Turner; Akbar K Waljee; Erik-Jan Wamsteker; James L Watkins; Matthew R Atkinson; Amitabh Chak; Gregory A Cote
A randomized trial of rectal indomethacin to prevent post-ERCP pancreatitis.
The New England journal of medicine 2012;366(15):1414-22.
2012: Helen Moinova; Lakshmeswari Ravi; Jill S Barnholtz-Sloan; Amitabh Chak; Yanwen Chen; Rom S Leidner; James Lutterbaugh; Sanford D Markowitz; Joseph E Willis
Aberrant vimentin methylation is characteristic of upper gastrointestinal pathologies.
Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology 2012;21(4):594-600.
2012: Andrew M Kaz; Rom S Leidner; Yanxin Luo; Melissa P Upton; Joseph E Willis; Amitabh Chak; Slavomir Dzieciatkowski; William M Grady
Aberrantly methylated PKP1 in the progression of Barrett's esophagus to esophageal adenocarcinoma.
Genes, chromosomes & cancer 2012;51(4):384-93.
2012: Ana Patricia Ortiz; Cheryl L Thompson; Nathan A Berger; Amitabh Chak; Li Li
Insulin resistance, central obesity, and risk of colorectal adenomas.
Cancer 2012;118(7):1774-81.
2012: Justin R Cuschieri; Mohammed N Osman; Richard Ck Wong; Amitabh Chak; Gerard A Isenberg
Small bowel capsule endoscopy in patients with cardiac pacemakers and implantable cardioverter defibrillators: Outcome analysis using telemetry review.
World journal of gastrointestinal endoscopy 2012;4(3):87-93.
2012: Cheryl L Thompson; Nathan A Berger; Amitabh Chak; Li Li
Racial differences in measures of obesity and risk of colon adenoma.
Obesity (Silver Spring, Md.) 2012;20(3):673-7.
2012: Amitabh Chak; Yanwen Chen; Robert Elston; Gary W Falk; William M Grady; Kishore Guda; Margaret Kinnard; Sanford Markowitz; Sumeet Mittal; Ganapathy Prasad; Nicholas Shaheen; Jaime Vengoechea; Joseph E Willis; Marcia Canto; Jill S Barnholtz-Sloan
Variation in age at cancer diagnosis in familial versus nonfamilial Barrett's esophagus.
Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology 2012;21(2):376-83.
2011: Andrew M Kaz; Rom S Leidner; Yanxin Luo; Jeffrey B Virgin; M Kay Washington; Joseph E Willis; Chao-Jen Wong; Amitabh Chak; William M Grady
DNA methylation profiling in Barrett's esophagus and esophageal adenocarcinoma reveals unique methylation signatures and molecular subclasses.
Epigenetics : official journal of the DNA Methylation Society 2011;6(12):1403-12.
2011: Arpad Juhasz; Tommy H Lee; Amitabh Chak; Caishu Deng; Sumeet K Mittal; Henry T Lynch
Prevalence of Barrett esophagus in first-degree relatives of patients with esophageal adenocarcinoma.
Journal of clinical gastroenterology 2011;45(10):867-71.
2011: Wei Kang; Amitabh Chak; Gerard A Isenberg; Michael W Jenkins; Hui Wang; Zhao Wang; Andrew M Rollins
Motion artifacts associated with in vivo endoscopic OCT images of the esophagus.
Optics express 2011;19(21):20722-35.
2011: Aparna Repaka; Amitabh Chak
Endoscopic management of Barrett esophagus.
Nature reviews. Gastroenterology & hepatology 2011;8(10):582-91.
2011: Deepak Agrawal; Ashley Faulx; Gerard Isenberg; Santo S Maimone; Richard C K Wong; Amitabh Chak
Prevalence and clinical significance of pancreatic cysts associated with cysts in other organs.
Digestive and liver disease : official journal of the Italian Society of Gastroenterology and the Italian Association for the Study of the Liver 2011;43(10):797-801.
2011: B Joseph Elmunzer; Joseph P Furlan; Jeffrey M Marks; James M Scheiman; Steve J Schomisch; Christopher J Sonnenday; Jason R Taylor; Amitabh Chak; Jeffrey L Ponsky
Endoscopic access to and exploration of the lesser sac in a human cadaver model: opportunity for transgastric endoscopic pancreatic surgery (with video).
Surgical endoscopy 2011;25(8):2725-30.
2011: Amitabh Chak; Rohit Singh; Philip A Linden
Covered stents for the treatment of life-threatening cervical esophageal anastomotic leaks.
The Journal of thoracic and cardiovascular surgery 2011;141(3):843-4.
2011: Deepak Agrawal; Richard C K Wong; Gerard Isenberg; Ashley Faulx; Amitabh Chak
Experience with the new 4-way, 5.5-mm ultrathin endoscope: a case series.
Digestive diseases and sciences 2011;56(3):909-14.
2010: Conor P Delaney; B J Champagne; Jeffrey M Marks; L Sanuk; B Ermlich; Amitabh Chak
Tissue apposition system: new technology to minimize surgery for endoscopically unresectable colonic polyps.
Surgical endoscopy 2010;24(12):3113-8.
2010: Michael J Pollack; Linda C Cummings; Richard C K Wong; Gerard A Isenberg; Ashley Faulx; Amitabh Chak; John J Vargo
Gender disparities and gastroenterology trainee attitudes toward advanced endoscopic training.
Gastrointestinal endoscopy 2010;72(5):1111.
2010: Kenneth J Chang; Richard A Erickson; Amitabh Chak; Charles Lightdale; Yang K Chen; Kenneth F Binmoeller; Gregory C Albers; Wen-Pin Chen; Christine E McLaren; Michael V Sivak; John G Lee; Gerard A Isenberg; Richard C K Wong
EUS compared with endoscopy plus transabdominal US in the initial diagnostic evaluation of patients with upper abdominal pain.
Gastrointestinal endoscopy 2010;72(5):967-74.
2010: Deepak Agrawal; George C Tannous; Amitabh Chak
Primary malignant melanoma of the hepatic duct: a case report.
Gastrointestinal endoscopy 2010;72(4):845-6.
2010: Joseph A Trunzo; Benjamin K Poulose; Michael F McGee; Mehrdad Nikfarjam; Steve J Schomisch; Raymond P Onders; Judy Jin; Amitabh Chak; Jeffrey Ponsky; Jeffrey M Marks
The diagnostic efficacy of natural orifice transluminal endoscopic surgery: is there a role in the intensive care unit?
Surgical endoscopy 2010;24(10):2485-91.
2010: B Joseph Elmunzer; Michael J Pollack; Joseph A Trunzo; Steve J Schomisch; Richard C Wong; Ashley L Faulx; Gerard A Isenberg; Jeffrey Ponsky; Jeffrey M Marks; Amitabh Chak
Initial evaluation of a novel, prototype, forward-viewing echoendoscope in a porcine arterial bleeding model (with video).
Gastrointestinal endoscopy 2010;72(3):611-4.
2010: Nicholas J Shaheen; Anne F Peery; Bergein F Overholt; Charles J Lightdale; Amitabh Chak; Kenneth K Wang; Robert H Hawes; David E Fleischer; John R Goldblum
Biopsy depth after radiofrequency ablation of dysplastic Barrett's esophagus.
Gastrointestinal endoscopy 2010;72(3):490-496.e1.
2010: Wei Kang; Hui Wang; Yinsheng Pan; Michael W Jenkins; Gerard A Isenberg; Amitabh Chak; Matthew Atkinson; Deepak Agrawal; Zhilin Hu; Andrew M Rollins
Endoscopically guided spectral-domain OCT with double-balloon catheters.
Optics express 2010;18(16):17364-72.
2010: Mehrdad Nikfarjam; Michael F McGee; Joseph A Trunzo; Raymond P Onders; Jonathan Pearl; Benjamin K Poulose; Amitabh Chak; Jeffrey Ponsky; Jeffrey M Marks
Transgastric natural-orifice transluminal endoscopic surgery peritoneoscopy in humans: a pilot study in efficacy and gastrotomy site selection by using a hybrid technique.
Gastrointestinal endoscopy 2010;72(2):279-83.
2010: Noriya Uedo; Yoji Takeuchi; Ryu Ishihara; Noboru Hanaoka; Takuya Inoue; Takashi Kizu; Koji Higashino; Hiroyasu Iishi; Masaharu Tatsuta; Amitabh Chak; Richard C K Wong
Endoscopic Doppler US for the prevention of ulcer bleeding after endoscopic submucosal dissection for early gastric cancer: a preliminary study (with video).
Gastrointestinal endoscopy 2010;72(2):444-8.
2010: Saowanee Ngamruengphong; Feng Li; Ying Zhou; Amitabh Chak; Gregory S Cooper; Ananya Das
EUS and survival in patients with pancreatic cancer: a population-based study.
Gastrointestinal endoscopy 2010;72(1):78-83, 83.e1-2.
2010: David E Loren; Riad Azar; Roger J Charles; John A Dumot; Farees Farooq; Deepak V Gopal; David L Jaffe; Vanessa M Shami; Virender K Sharma; Amitabh Chak
Updated guidelines for live endoscopy demonstrations.
Gastrointestinal endoscopy 2010;71(7):1105-7.
2010: B Joseph Elmunzer; Amitabh Chak; Jason R Taylor; Joseph A Trunzo; Cyrus R Piraka; Steve J Schomisch; Gail M Rising; Grace H Elta; James M Scheiman; Jeffrey L Ponsky; Jeffrey M Marks; Richard S Kwon
Hydroperitoneum-facilitated EUS-guided peritoneal entry and closure of alternate access sites for NOTES.
Surgical innovation 2010;17(2):101-7.
2010: Deepak Agrawal; Amitabh Chak; Brad J Champagne; Jeffrey M Marks; Conor P Delaney
Endoscopic mucosal resection with full-thickness closure for difficult polyps: a prospective clinical trial.
Gastrointestinal endoscopy 2010;71(6):1082-8.
2010: Santo Maimone; Deepak Agrawal; Michael J Pollack; Richard C K Wong; Joseph Willis; Ashley Faulx; Gerard A Isenberg; Amitabh Chak
Variability in measurements of pancreatic cyst size among EUS, CT, and magnetic resonance imaging modalities.
Gastrointestinal endoscopy 2010;71(6):945-50.
2010: Xiangqing Sun; Robert Elston; Jill S Barnholtz-Sloan; Gary Falk; William M Grady; Margaret Kinnard; Sumeet K Mittal; Joseph E Willis; Sanford Markowitz; Wendy Brock; Amitabh Chak
A segregation analysis of Barrett's esophagus and associated adenocarcinomas.
Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology 2010;19(3):666-74.
2010: Ronald E Kumon; Michael J Pollack; Ashley L Faulx; Kayode Olowe; Farees T Farooq; Victor K Chen; Yun Zhou; Richard C K Wong; Gerard A Isenberg; Michael V Sivak; Amitabh Chak; Cheri X Deng
In vivo characterization of pancreatic and lymph node tissue by using EUS spectrum analysis: a validation study.
Gastrointestinal endoscopy 2010;71(1):53-63.
2009: Vijay Khiani; Wajeeh Salah; Santo Maimone; Linda Cummings; Amitabh Chak
Sedation during endoscopy for patients at risk of obstructive sleep apnea.
Gastrointestinal endoscopy 2009;70(6):1116-20.
2009: Afshin Dowlati; James Posey; Ramesh K Ramanathan; Linda Rath; Pingfu Fu; Amitabh Chak; Smitha Krishnamurthi; Joanna Brell; Stephen Ingalls; Charles L Hoppel; Percy Ivy; Scot C Remick
Phase II and pharmacokinetic trial of rebeccamycin analog in advanced biliary cancers.
Cancer chemotherapy and pharmacology 2009;65(1):73-8.
2009: Ananya Das; Saowanee Ngamruengphong; Shweta Nagendra; Amitabh Chak
Asymptomatic pancreatic cystic neoplasm: a cost-effectiveness analysis of different strategies of management.
Gastrointestinal endoscopy 2009;70(4):690-699.e6.
2009: Amitabh Chak; Gary Falk; William M Grady; Margaret Kinnard; Robert Elston; Sumeet Mittal; James F King; Joseph E Willis; Anokh Kondru; Wendy Brock; Jill S Barnholtz-Sloan
Assessment of familiality, obesity, and other risk factors for early age of cancer diagnosis in adenocarcinomas of the esophagus and gastroesophageal junction.
The American journal of gastroenterology 2009;104(8):1913-21.
2009: Gregory Scott Cooper; Tzyung Doug Kou; Amitabh Chak
Receipt of previous diagnoses and endoscopy and outcome from esophageal adenocarcinoma: a population-based study with temporal trends.
The American journal of gastroenterology 2009;104(6):1356-62.
2009: Michael J Levy; Amitabh Chak
EUS 2008 Working Group document: evaluation of EUS-guided vascular therapy.
Gastrointestinal endoscopy 2009;69(2 Suppl):S37-42.
2009: Amitabh Chak
EUS and natural orifice transluminal endoscopic surgery.
Gastrointestinal endoscopy 2009;69(2 Suppl):S210-1.
2009: Amitabh Chak
What is the evidence for EUS-guided celiac plexus block/neurolysis?
Gastrointestinal endoscopy 2009;69(2 Suppl):S172-3.
2009: Ronald E Kumon; Michael J Pollack; Ashley L Faulx; Kayode Olowe; Farees T Farooq; Victor K Chen; Yun Zhou; Richard C K Wong; Gerard A Isenberg; Michael V Sivak; Amitabh Chak; Cheri X Deng
Characterization of pancreatic cancer and intra-abdominal lymph node malignancy using spectrum analysis of endoscopic ultrasound imaging.
Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference 2009;2009():1949-52.
2009: Jonathan M Buscaglia; Christopher Dimaio; Michael J Pollack; Eun Shin; Michael D Harris; robert richards; Amitabh Chak; Sergey V Kantsevoy; Sanjay B Jagannath; PATRICK OKOLO
Are large side holes associated with reduced rates of pancreatic stent occlusion? Results of a prospective study.
JOP : Journal of the pancreas 2009;10(5):496-500.
2009: B Joseph Elmunzer; Steve J Schomisch; Joseph A Trunzo; Benjamin K Poulose; Conor P Delaney; Michael F McGee; Ashley L Faulx; Jeffrey M Marks; Jeffrey L Ponsky; Amitabh Chak
EUS in localizing safe alternate access sites for natural orifice transluminal endoscopic surgery: initial experience in a porcine model.
Gastrointestinal endoscopy 2009;69(1):108-14.
2008: B J Elmunzer; J A Trunzo; Jeffrey M Marks; B K Poulose; Amitabh Chak; Steve J Schomisch; J J Bailey; Jeffrey Ponsky
Endoscopic full-thickness resection of gastric tumors using a novel grasp-and-snare technique: feasibility in ex vivo and in vivo porcine models.
Endoscopy 2008;40(11):931-5.
2008: Victor K Chen; Jeffrey M Marks; Richard C K Wong; Michael F McGee; Ashley Faulx; Gerard A Isenberg; Steven J Schomisc; Cheri X Deng; Jeffrey Ponsky; Amitabh Chak
Creation of an effective and reproducible nonsurvival porcine model that simulates actively bleeding peptic ulcers.
Gastrointestinal endoscopy 2008;68(3):548-53.
2008: Michael F McGee; Jeffrey M Marks; Raymond P Onders; Amitabh Chak; Michael J Rosen; Christina P Williams; Judy Jin; Steve J Schomisch; Jeffrey Ponsky
Infectious implications in the porcine model of natural orifice transluminal endoscopic surgery (NOTES) with PEG-tube closure: a quantitative bacteriologic study.
Gastrointestinal endoscopy 2008;68(2):310-8.
2008: Michael J Pollack; Pierre M Gholam; Amitabh Chak
EUS-FNA in unresectable cholangiocarcinoma: a novel indication.
Gastrointestinal endoscopy 2008;67(3):444-5.
2008: Michael F McGee; Steve J Schomisch; Jeffrey M Marks; Conor P Delaney; Judy Jin; Christina Williams; Amitabh Chak; David T Matteson; Jamie Andrews; Jeffrey Ponsky
Late phase TNF-alpha depression in natural orifice translumenal endoscopic surgery (NOTES) peritoneoscopy.
Surgery 2008;143(3):318-28.
2008: Cheryl L Thompson; Vijay Khiani; Amitabh Chak; Nathan A Berger; Li Li
Carbohydrate consumption and esophageal cancer:an ecological assessment.
The American journal of gastroenterology 2008;103(3):555-61.
2008: Michael J Pollack; Amitabh Chak
Quality in endoscopy: it starts during fellowship.
Gastrointestinal endoscopy 2008;67(1):120-2.
2008: Ananya Das; Tamir Ben-Menachem; Farees T Farooq; Gregory Scott Cooper; Amitabh Chak; Michael V Sivak; Richard C K Wong
Artificial neural network as a predictive instrument in patients with acute nonvariceal upper gastrointestinal hemorrhage.
Gastroenterology 2008;134(1):65-74.
2008: Michael F McGee; Jeffrey M Marks; Judy Jin; Christina Williams; Amitabh Chak; Steve J Schomisch; Jamie Andrews; Shoichi Okada; Jeffrey Ponsky
Complete endoscopic closure of gastric defects using a full-thickness tissue plicating device.
Journal of gastrointestinal surgery : official journal of the Society for Surgery of the Alimentary Tract 2008;12(1):38-45.
2008: Michael F McGee; Jeffrey M Marks; Raymond P Onders; Amitabh Chak; J Jin; C P Williams; Steve J Schomisch; Jeffrey Ponsky
Complete endoscopic closure of gastrotomy after natural orifice translumenal endoscopic surgery using the NDO Plicator.
Surgical endoscopy 2008;22(1):214-20.
2008: Matt Atkinson; Ananya Das; Ashley Faulx; Margaret Kinnard; Yngve Falck-Ytter; Amitabh Chak
Ultrathin esophagoscopy in screening for Barrett's esophagus at a Veterans Administration Hospital: easy access does not lead to referrals.
The American journal of gastroenterology 2008;103(1):92-7.
2007: Ronald E Kumon; Kayode Olowe; Ashley Faulx; Farees T Farooq; Victor K Chen; Yun Zhou; Richard C K Wong; Gerard A Isenberg; Michael V Sivak; Amitabh Chak; Cheri X Deng
EUS spectrum analysis for in vivo characterization of pancreatic and lymph node tissue: a pilot study.
Gastrointestinal endoscopy 2007;66(6):1096-106.
2007: Miriam Thomas; Douglas A Howell; David L. Carr-Locke; C Mel Wilcox; Amitabh Chak; Isaac Raijman; James L Watkins; Michael J Schmalz; Joseph E Geenen; Marc F Catalano
Mechanical lithotripsy of pancreatic and biliary stones: complications and available treatment options collected from expert centers.
The American journal of gastroenterology 2007;102(9):1896-902.
2007: Matthew Atkinson; Amitabh Chak
Unsedated small-caliber endoscopy--a new screening and surveillance tool for Barrett's esophagus?
Nature clinical practice. Gastroenterology & hepatology 2007;4(8):426-7.
2007: Steve Kucera; Gerard Isenberg; Amitabh Chak; Richard C K Wong; Ananya Das; Ashley Faulx; Michael V Sivak
Postprocedure radiologist's interpretation of ERCP x-ray films: a prospective outcomes study.
Gastrointestinal endoscopy 2007;66(1):79-83.
2007: Heather M Ochs-Balcom; Gary Falk; William M Grady; Margaret Kinnard; Joseph Willis; Robert C Elston; Charis Eng; Amitabh Chak
Consortium approach to identifying genes for Barrett's esophagus and esophageal adenocarcinoma.
Translational research : the journal of laboratory and clinical medicine 2007;150(1):3-17.
2007: Mark D Topazian; Felicity Enders; Michael B Kimmey; Randall Brand; Amitabh Chak; Jonathan E Clain; John Cunningham; Mohamad A Eloubeidi; Hans Gerdes; Frank Gress; Sanjay B Jagannath; Sergey V Kantsevoy; Julia Kim Leblanc; Michael Levy; Charles J Lightdale; Joseph Romagnuolo; John R Saltzman; Thomas J Savides; Maurits Wiersema; Timothy Woodward; Gloria Petersen; Marcia Canto
Interobserver agreement for EUS findings in familial pancreatic-cancer kindreds.
Gastrointestinal endoscopy 2007;66(1):62-7.
2007: Ananya Das; Pankaj Singh; Michael V Sivak; Amitabh Chak
Pancreatic-stent placement for prevention of post-ERCP pancreatitis: a cost-effectiveness analysis.
Gastrointestinal endoscopy 2007;65(7):960-8.
2007: Raymond P Onders; Michael F McGee; Jeffrey Marks; Amitabh Chak; Michael J Rosen; Anthony Ignagni; Ashley Faulx; Steve J Schomisch; Jeffrey Ponsky
Natural orifice transluminal endoscopic surgery (NOTES) as a diagnostic tool in the intensive care unit.
Surgical endoscopy 2007;21(4):681-3.
2007: Michael F McGee; Michael J Rosen; Jeffrey Marks; Amitabh Chak; Raymond P Onders; Ashley Faulx; Anthony Ignagni; Steve J Schomisch; Jeffrey Ponsky
A reliable method for monitoring intraabdominal pressure during natural orifice translumenal endoscopic surgery.
Surgical endoscopy 2007;21(4):672-6.
2007: Richard C K Wong; Farees T Farooq; Amitabh Chak
Endoscopic Doppler US probe for the diagnosis of gastric varices (with videos).
Gastrointestinal endoscopy 2007;65(3):491-6.
2007: Raymond P Onders; Michael F McGee; Jeffrey Marks; Amitabh Chak; R Schilz; Michael J Rosen; Anthony Ignagni; Ashley Faulx; M J Elmo; Steve J Schomisch; Jeffrey Ponsky
Diaphragm pacing with natural orifice transluminal endoscopic surgery: potential for difficult-to-wean intensive care unit patients.
Surgical endoscopy 2007;21(3):475-9.
2007: Florian Rieder; Ling Cheng; Karen M Harnett; Amitabh Chak; Gregory Scott Cooper; Gerard Isenberg; Monica Ray; Jeffry A Katz; Andrew Catanzaro; Robert O'Shea; Anthony B Post; Richard Wong; Michael V Sivak; Thomas S McCormick; Manijeh Phillips; Gail A West; Joseph E Willis; Piero Biancani; Claudio Fiocchi
Gastroesophageal reflux disease-associated esophagitis induces endogenous cytokine production leading to motor abnormalities.
Gastroenterology 2007;132(1):154-65.
2007: Gerard Isenberg; Amitabh Chak
Should there be light in the esophageal tunnel? An appraisal of optical coherence tomography in Barrett's esophagus.
Gastrointestinal endoscopy 2007;65(1):57-9.
2006: Vikram Boolchand; Gregory Olds; Joseph Singh; Pankaj Singh; Amitabh Chak; Gregory Scott Cooper
Colorectal screening after polypectomy: a national survey study of primary care physicians.
Annals of internal medicine 2006;145(9):654-9.
2006: Amitabh Chak; Ashley Faulx; Charis Eng; William M Grady; Margaret Kinnard; Heather M Ochs-Balcom; Gary Falk
Gastroesophageal reflux symptoms in patients with adenocarcinoma of the esophagus or cardia.
Cancer 2006;107(9):2160-6.
2006: Amitabh Chak; Heather M Ochs-Balcom; Gary Falk; William M Grady; Margaret Kinnard; Joseph E Willis; Robert C Elston; Charis Eng
Familiality in Barrett's esophagus, adenocarcinoma of the esophagus, and adenocarcinoma of the gastroesophageal junction.
Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology 2006;15(9):1668-73.
2006: Michael F McGee; Michael J Rosen; Jeffrey Marks; Raymond P Onders; Amitabh Chak; Ashley Faulx; Victor K Chen; Jeffrey Ponsky
A primer on natural orifice transluminal endoscopic surgery: building a new paradigm.
Surgical innovation 2006;13(2):86-93.
2006: Ananya Das; Amitabh Chak
Reassessment of patients with esophageal cancer after neoadjuvant therapy.
Endoscopy 2006;38 Suppl 1():S13-7.
2006: Ananya Das; Amitabh Chak; Gregory Scott Cooper
Temporal trend in relative risk of second primary colorectal cancer.
The American journal of gastroenterology 2006;101(6):1342-7.
2006: Ananya Das; Amitabh Chak; Michael V Sivak; Jonathan Payes; Gregory Scott Cooper
Endoscopic ultrasonography and prognosis of esophageal cancer.
Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association 2006;4(6):695-700.
2006: Ananya Das; Sapna Thomas; Lydia B Zablotska; Alfred I Neugut; Amitabh Chak
Association of esophageal adenocarcinoma with other subsequent primary cancers.
Journal of clinical gastroenterology 2006;40(5):405-11.
2006: Brian C Jacobson; Amitabh Chak; Brenda J Hoffman; Todd H Baron; Jonathan Cohen; Stephen E Deal; Klaus Mergener; Bret T Petersen; John L Petrini; Michael A Safdi; Douglas O Faigel; Irving M Pike
Quality indicators for endoscopic ultrasonography.
The American journal of gastroenterology 2006;101(4):898-901.
2006: Todd H Baron; Bret T Petersen; Klaus Mergener; Amitabh Chak; Jonathan Cohen; Stephen E Deal; Brenda Hoffinan; Brian C Jacobson; John L Petrini; Michael A Safdi; Douglas O Faigel; Irving M Pike
Quality indicators for endoscopic retrograde cholangiopancreatography.
The American journal of gastroenterology 2006;101(4):892-7.
2006: Jonathan Cohen; Michael A Safdi; Stephen E Deal; Todd H Baron; Amitabh Chak; Brenda J Hoffman; Brian C Jacobson; Klaus Mergener; Bret T Petersen; John L Petrini; Douglas K Rex; Douglas O Faigel; Irving M Pike
Quality indicators for esophagogastroduodenoscopy.
The American journal of gastroenterology 2006;101(4):886-91.
2006: Douglas K Rex; John L Petrini; Todd H Baron; Amitabh Chak; Jonathan Cohen; Stephen E Deal; Brenda J Hoffman; Brian C Jacobson; Klaus Mergener; Bret T Petersen; Michael A Safdi; Douglas O Faigel; Irving M Pike
Quality indicators for colonoscopy.
The American journal of gastroenterology 2006;101(4):873-85.
2006: Douglas O Faigel; Irving M Pike; Todd H Baron; Amitabh Chak; Jonathan Cohen; Stephen E Deal; Brenda J Hoffman; Brian C Jacobson; Klaus Mergener; Bret T Petersen; John L Petrini; Douglas K Rex; Michael A Safdi
Quality indicators for gastrointestinal endoscopic procedures: an introduction.
The American journal of gastroenterology 2006;101(4):866-72.
2006: Brian C Jacobson; Amitabh Chak; Brenda J Hoffman; Todd H Baron; Jonathan Cohen; Stephen E Deal; Klaus Mergener; Bret T Petersen; John L Petrini; Michael A Safdi; Douglas O Faigel; Irving M Pike
Quality indicators for endoscopic ultrasonography.
Gastrointestinal endoscopy 2006;63(4 Suppl):S35-8.
2006: Todd H Baron; Bret T Petersen; Klaus Mergener; Amitabh Chak; Jonathan Cohen; Stephen E Deal; Brenda J Hoffman; Brian C Jacobson; John L Petrini; Michael A Safdi; Douglas O Faigel; Irving M Pike
Quality indicators for endoscopic retrograde cholangiopancreatography.
Gastrointestinal endoscopy 2006;63(4 Suppl):S29-34.
2006: Douglas K Rex; John L Petrini; Todd H Baron; Amitabh Chak; Jonathan Cohen; Stephen E Deal; Brenda J Hoffman; Brian C Jacobson; Klaus Mergener; Bret T Petersen; Michael A Safdi; Douglas O Faigel; Irving M Pike
Quality indicators for colonoscopy.
Gastrointestinal endoscopy 2006;63(4 Suppl):S16-28.
2006: Jonathan Cohen; Michael A Safdi; Stephen E Deal; Todd H Baron; Amitabh Chak; Brenda J Hoffman; Brian C Jacobson; Klaus Mergener; Bret T Petersen; John L Petrini; Douglas K Rex; Douglas O Faigel; Irving M Pike
Quality indicators for esophagogastroduodenoscopy.
Gastrointestinal endoscopy 2006;63(4 Suppl):S10-5.
2006: Douglas O Faigel; Irving M Pike; Todd H Baron; Amitabh Chak; Jonathan Cohen; Stephen E Deal; Brenda J Hoffman; Brian C Jacobson; Klaus Mergener; Bret T Petersen; John L Petrini; Douglas K Rex; Michael A Safdi
Quality indicators for gastrointestinal endoscopic procedures: an introduction.
Gastrointestinal endoscopy 2006;63(4 Suppl):S3-9.
2006: Vikram Boolchand; Ashley Faulx; Ananya Das; Stephen J Zyzanski; Gerard Isenberg; Gregory Scott Cooper; Michael V Sivak; Amitabh Chak
Primary care physician attitudes toward endoscopic screening for GERD symptoms and unsedated esophagoscopy.
Gastrointestinal endoscopy 2006;63(2):228-33.
2006: Amitabh Chak; Richard I Rothstein
Sedationless upper endoscopy.
Reviews in gastroenterological disorders 2006;6 Suppl 1():S3-11.
2006: Amitabh Chak; Richard I Rothstein
Sedationless upper endoscopy.
Reviews in gastroenterological disorders 2006;6(1):13-21.
2005: Gregory Scott Cooper; Amitabh Chak; Siran M Koroukian
The polyp detection rate of colonoscopy: a national study of Medicare beneficiaries.
The American journal of medicine 2005;118(12):1413.
2005: Pankaj Singh; Amitabh Chak; Joseph E Willis; Andrew M Rollins; Michael V Sivak
In vivo optical coherence tomography imaging of the pancreatic and biliary ductal system.
Gastrointestinal endoscopy 2005;62(6):970-4.
2005: Gerard Isenberg; Michael V Sivak; Amitabh Chak; Richard C K Wong; Joseph E Willis; Brian Wolf; Douglas Y Rowland; Ananya Das; Andrew M Rollins
Accuracy of endoscopic optical coherence tomography in the detection of dysplasia in Barrett's esophagus: a prospective, double-blinded study.
Gastrointestinal endoscopy 2005;62(6):825-31.
2005: Amitabh Chak
Pancreatic cysts: much ado or not enough?
Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association 2005;3(10):964-6.
2005: Ashley Faulx; Stacie F Vela; Ananya Das; Gregory Scott Cooper; Michael V Sivak; Gerard Isenberg; Amitabh Chak
The changing landscape of practice patterns regarding unsedated endoscopy and propofol use: a national Web survey.
Gastrointestinal endoscopy 2005;62(1):9-15.
2005: Amitabh Chak; M B Wallace; J M Poneros
Optical coherence tomography of Barrett's esophagus.
Endoscopy 2005;37(6):587-90.
2005: Massimo Conio; Alan J Cameron; Amitabh Chak; Sabrina Blanchi; Rosangela Filiberti
Endoscopic treatment of high-grade dysplasia and early cancer in Barrett's oesophagus.
The lancet oncology 2005;6(5):311-21.
2005: Patrick R Pfau; Huong Pham; Rod Ellis; Ananya Das; Gerard Isenberg; Amitabh Chak
A novel use of endoscopic clips in the treatment planning for radiation therapy (XRT) of esophageal cancer.
Journal of clinical gastroenterology 2005;39(5):372-5.
2005: Gregory Olds; Gregory Scott Cooper; Amitabh Chak; Michael V Sivak; Aniruddha A Chitale; Richard C K Wong
The yield of bleeding scans in acute lower gastrointestinal hemorrhage.
Journal of clinical gastroenterology 2005;39(4):273-7.
2005: Lydia B Zablotska; Amitabh Chak; Ananya Das; Alfred I Neugut
Increased risk of squamous cell esophageal cancer after adjuvant radiation therapy for primary breast cancer.
American journal of epidemiology 2005;161(4):330-7.
2005: Amitabh Chak; Marcia Canto; Gerard A Isenberg; Joseph E Willis
EUS assessment of response to chemoradiation in esophageal cancer patients.
The American journal of gastroenterology 2005;100(2):496-7; author reply 497-9.
2004: Ananya Das; William Mourad; Charles J Lightdale; Michael V Sivak; Amitabh Chak
An international survey of the clinical practice of EUS.
Gastrointestinal endoscopy 2004;60(5):765-70.
2004: Amitabh Chak; Ashley Faulx; Margaret Kinnard; Wendy Brock; Joseph Willis; Georgia L Wiesner; Antonio R Parrado; Katrina Goddard
Identification of Barrett's esophagus in relatives by endoscopic screening.
The American journal of gastroenterology 2004;99(11):2107-14.
2004: Amitabh Chak; Ashley Faulx; Nitin Davessar; Joseph Willis
Eosinophilic enteritis.
Gastrointestinal endoscopy 2004;60(4):601-2.
2004: Pankaj Singh; Ananya Das; Gerard Isenberg; Richard C K Wong; Michael V Sivak; Deepak Agrawal; Amitabh Chak
Does prophylactic pancreatic stent placement reduce the risk of post-ERCP acute pancreatitis? A meta-analysis of controlled trials.
Gastrointestinal endoscopy 2004;60(4):544-50.
2004: Manoop S Bhutani; Frank Gress; M Giovannini; R A Erickson; Marc F Catalano; Amitabh Chak; P H Deprez; Douglas O Faigel; Cuong C Nguyen
The No Endosonographic Detection of Tumor (NEST) Study: a case series of pancreatic cancers missed on endoscopic ultrasonography.
Endoscopy 2004;36(5):385-9.
2004: Pankaj Singh; Suryakanth R Gurudu; Samuel Davidoff; Michael V Sivak; Anant Indaram; Franklin E Kasmin; Valerie Nozdak; Richard C k Wong; Gerard Isenberg; Bernard Stark; Simmy Bank; Amitabh Chak
Sphincter of Oddi manometry does not predispose to post-ERCP acute pancreatitis.
Gastrointestinal endoscopy 2004;59(4):499-505.
2004: Patrick R Pfau; Gregory Scott Cooper; Mark D Carlson; Amitabh Chak; Michael V Sivak; Judith A Gonet; Karen K Boyd; Richard C K Wong
Success and shortcomings of a clinical care pathway in the management of acute nonvariceal upper gastrointestinal bleeding.
The American journal of gastroenterology 2004;99(3):425-31.
2004: Ananya Das; Alfred I Neugut; Gregory Scott Cooper; Amitabh Chak
Association of ampullary and colorectal malignancies.
Cancer 2004;100(3):524-30.
2004: Marc F Catalano; Jeffrey D Linder; Amitabh Chak; Michael V Sivak; Isaac Raijman; Joseph E Geenen; Douglas A Howell
Endoscopic management of adenoma of the major duodenal papilla.
Gastrointestinal endoscopy 2004;59(2):225-32.
2004: Ananya Das; Amitabh Chak
Endoscopic ultrasonography.
Endoscopy 2004;36(1):17-22.
2003: Andrew Catanzaro; Scott Richardson; Hazel Veloso; Gerard A Isenberg; Richard C K Wong; Michael V Sivak; Amitabh Chak
Long-term follow-up of patients with clinically indeterminate suspicion of pancreatic cancer and normal EUS.
Gastrointestinal endoscopy 2003;58(6):836-40.
2003: Ananya Das; Tamir Ben-Menachem; Gregory Scott Cooper; Amitabh Chak; Michael V Sivak; Judith A Gonet; Richard C K Wong
Prediction of outcome in acute lower-gastrointestinal haemorrhage based on an artificial neural network: internal and external validation of a predictive model.
Lancet 2003;362(9392):1261-6.
2003: Amitabh Chak; Andrew Catanzaro
Innovative methods of biliary tract diagnosis: intraductal ultrasound and tissue acquisition.
Gastrointestinal endoscopy clinics of North America 2003;13(4):609-22.
2003: Ananya Das; Amitabh Chak
Role of endoscopic ultrasonography in the staging of esophageal cancer: a review.
Current opinion in gastroenterology 2003;19(5):474-6.
2003: C M Drovdlic; Katrina Goddard; Amitabh Chak; Wendy Brock; L Chessler; J F King; J Richter; G W Falk; D K Johnston; James Larry Fisher; W M Grady; Stanley Lemeshow; Charis Eng
Demographic and phenotypic features of 70 families segregating Barrett's oesophagus and oesophageal adenocarcinoma.
Journal of medical genetics 2003;40(9):651-6.
2003: Patrick R Pfau; Michael V Sivak; Amitabh Chak; Margaret Kinnard; Richard C K Wong; Gerard A Isenberg; Joseph A Izatt; Andrew M Rollins; Volker Westphal
Criteria for the diagnosis of dysplasia by endoscopic optical coherence tomography.
Gastrointestinal endoscopy 2003;58(2):196-202.
2003: Darius Sorbi; Amitabh Chak
Unsedated EGD.
Gastrointestinal endoscopy 2003;58(1):102-10.
2003: Dany K Shamoun; Amitabh Chak; Michael J Levy; Patrick Pfau; Mary Lou Jondal; Maurits J Wiersema
Evaluation of a new curved linear array echoendoscopy system for EUS.
Gastrointestinal endoscopy 2003;57(7):937-42.
2003: Andrew Catanzaro; Patrick R Pfau; Gerard A Isenberg; Richard C K Wong; Michael V Sivak; Amitabh Chak
Clinical utility of intraductal US for evaluation of choledocholithiasis.
Gastrointestinal endoscopy 2003;57(6):648-52.
2003: Andrew Catanzaro; Ashley Faulx; Gerard A Isenberg; Richard C K Wong; Gregory Scott Cooper; Michael V Sivak; Amitabh Chak
Prospective evaluation of 4-mm diameter endoscopes for esophagoscopy in sedated and unsedated patients.
Gastrointestinal endoscopy 2003;57(3):300-4.
2003: Amitabh Chak
A time for change.
Gastrointestinal endoscopy 2003;57(2):286.
2003: Roger J Charles; Gregory Scott Cooper; Richard C K Wong; Michael V Sivak; Amitabh Chak
Effectiveness of open-access endoscopy in routine primary-care practice.
Gastrointestinal endoscopy 2003;57(2):183-6.
2002: Patrick R Pfau; Gisela Chelimsky; Margaret Kinnard; Michael V Sivak; Richard C K Wong; Gerard A Isenberg; Priya Gurumurthy; Amitabh Chak
Endoscopic retrograde cholangiopancreatography in children and adolescents.
Journal of pediatric gastroenterology and nutrition 2002;35(5):619-23.
2002: Marc F Catalano; Mark L Rosenblatt; Amitabh Chak; Michael V Sivak; James M Scheiman; Frank Gress
Endoscopic ultrasound-guided fine needle aspiration in the diagnosis of mediastinal masses of unknown origin.
The American journal of gastroenterology 2002;97(10):2559-65.
2002: Amitabh Chak
EUS in submucosal tumors.
Gastrointestinal endoscopy 2002;56(4 Suppl):S43-8.
2002: Amitabh Chak; T Lee; Margaret Kinnard; Wendy Brock; Ashley Faulx; Joseph Willis; Gregory Scott Cooper; Michael V Sivak; Katrina Goddard
Familial aggregation of Barrett's oesophagus, oesophageal adenocarcinoma, and oesophagogastric junctional adenocarcinoma in Caucasian adults.
Gut 2002;51(3):323-8.
2002: Gregory Scott Cooper; Zhong Yuan; Amitabh Chak; Alfred A Rimm
Association of prediagnosis endoscopy with stage and survival in adenocarcinoma of the esophagus and gastric cardia.
Cancer 2002;95(1):32-8.
2002: Jorgen tenBerge; Brenda J Hoffman; Robert H Hawes; Conny Van Enckevort; Marc Giovannini; Richard A Erickson; Marc F Catalano; Roberto Fogel; Shawn Mallery; Douglas O Faigel; Angelo P Ferrari; Irving Waxman; Larent Palazzo; Tamir Ben-Menachem; Paul S Jowell; Kevin M McGrath; Thomas E Kowalski; Cuong C Nguyen; Wahid Wassef; Keiji Yamao; Amitabh Chak; Bruce D Greenwald; Timothy A Woodward; Peter Vilmann; Luis Sabbagh; kanwar gill
EUS-guided fine needle aspiration of the liver: indications, yield, and safety based on an international survey of 167 cases.
Gastrointestinal endoscopy 2002;55(7):859-62.
2002: Marc F Catalano; Shahid Sial; Amitabh Chak; Michael V Sivak; Richard Erickson; James M Scheiman; Frank Gress
EUS-guided fine needle aspiration of idiopathic abdominal masses.
Gastrointestinal endoscopy 2002;55(7):854-8.
2002: Joseph Willis; Gregory Scott Cooper; Gerard Isenberg; Michael V Sivak; Nathan Levitan; Julie Clayman; Amitabh Chak
Correlation of EUS measurement with pathologic assessment of neoadjuvant therapy response in esophageal carcinoma.
Gastrointestinal endoscopy 2002;55(6):655-61.
2002: Ashley Faulx; Andrew Catanzaro; Stephen J Zyzanski; Gregory Scott Cooper; Patrick R Pfau; Gerard Isenberg; Richard C K Wong; Michael V Sivak; Amitabh Chak
Patient tolerance and acceptance of unsedated ultrathin esophagoscopy.
Gastrointestinal endoscopy 2002;55(6):620-3.
2002: Kenji Kobayashi; Gregory Scott Cooper; Amitabh Chak; Michael V Sivak; Richard C K Wong
A prospective evaluation of outcome in patients referred for PEG placement.
Gastrointestinal endoscopy 2002;55(4):500-6.
2002: Andrew Catanzaro; Ashley Faulx; Patrick R Pfau; Gregory Scott Cooper; Gerard Isenberg; Richard C K Wong; Michael V Sivak; Amitabh Chak
Accuracy of a narrow-diameter battery-powered endoscope in sedated and unsedated patients.
Gastrointestinal endoscopy 2002;55(4):484-7.
2002: Ashley Faulx; Patrick R Pfau; Edward J Esber; Donato Ciaccia; Amitabh Chak
Acute pancreatitis resulting from a nonfunctional islet cell tumor detected and localized by EUS.
Gastrointestinal endoscopy 2002;55(1):119-21.
2002: Patrick R Pfau; Amitabh Chak
Hypernephroma metastatic to the pancreas.
Gastrointestinal endoscopy 2002;55(1):81.
2001: M J Hegewald; G Isenberg; Richard K Sterling; Gregory Scott Cooper; Amitabh Chak; Michael V Sivak
Evaluation of a rapid urine amylase test using post-ERCP hyperamylasemia as a model.
The American journal of gastroenterology 2001;96(9):2640-5.
2001: S R Lacey; Amitabh Chak
Hemosuccus pancreaticus: dorsal pancreatic duct stone and gastroduodenal artery pseudoaneurysm.
Gastrointestinal endoscopy 2001;54(3):363.
2001: Ananya Das; Michael V Sivak; Amitabh Chak; Richard C K Wong; Volker Westphal; Andrew M Rollins; Joseph Willis; Gerard Isenberg; Joseph A Izatt
High-resolution endoscopic imaging of the GI tract: a comparative study of optical coherence tomography versus high-frequency catheter probe EUS.
Gastrointestinal endoscopy 2001;54(2):219-24.
2001: Ananya Das; Gerard Isenberg; Richard C K Wong; Michael V Sivak; Amitabh Chak
Wire-guided intraductal US: an adjunct to ERCP in the management of bile duct stones.
Gastrointestinal endoscopy 2001;54(1):31-6.
2001: Drew B Schembre; Amitabh Chak; P Stevens; G Isenberg; Michael V Sivak; Charles J Lightdale
Prospective evaluation of balloon-sheathed catheter US system.
Gastrointestinal endoscopy 2001;53(7):758-63.
2001: Marcia Canto; S Setrakian; Joseph E Willis; Amitabh Chak; R E Petras; Michael V Sivak
Methylene blue staining of dysplastic and nondysplastic Barrett's esophagus: an in vivo and ex vivo study.
Endoscopy 2001;33(5):391-400.
2001: Ananya Das; Michael V Sivak; Amitabh Chak
Cervical esophageal perforation during EUS: a national survey.
Gastrointestinal endoscopy 2001;53(6):599-602.
2001: kanwar gill; Robert H Hawes; Valerie L Durkalski; Amitabh Chak; Shawn Mallery; Marc F Catalano; Maurits J Wiersema; Manoop S Bhutani; D Ciaccia; M L Kochman; Frank Gress; Annette Van Velse; Brenda J Hoffman
The reliability of EUS for the diagnosis of chronic pancreatitis: interobserver agreement among experienced endosonographers.
Gastrointestinal endoscopy 2001;53(3):294-9.
2001: Amitabh Chak; Gregory Scott Cooper; L E Lloyd; C S Kolz; B A Barnhart; Richard C K Wong
Effectiveness of endoscopy in patients admitted to the intensive care unit with upper GI hemorrhage.
Gastrointestinal endoscopy 2001;53(1):6-13.
2000: Amitabh Chak
Endosonographic-guided therapy of pancreatic pseudocysts.
Gastrointestinal endoscopy 2000;52(6 Suppl):S23-7.
2000: Amitabh Chak; Gregory Scott Cooper; L E Lloyd; PJ Hammar; K Issa; Gary E Rosenthal
Effectiveness of ERCP in cholangitis: a community-based study.
Gastrointestinal endoscopy 2000;52(4):484-9.
2000: Richard C K Wong; Amitabh Chak; Kenji Kobayashi; Gerard A Isenberg; Gregory Scott Cooper; David L. Carr-Locke; Michael V Sivak
Role of Doppler US in acute peptic ulcer hemorrhage: can it predict failure of endoscopic therapy?
Gastrointestinal endoscopy 2000;52(3):315-21.
2000: Gregory Scott Cooper; Z Yuan; Amitabh Chak; Alfred A Rimm
Patterns of endoscopic follow-up after surgery for nonmetastatic colorectal cancer.
Gastrointestinal endoscopy 2000;52(1):33-8.
2000: Marcia Canto; S Setrakian; J Willis; Amitabh Chak; R Petras; Neil R Powe; Michael V Sivak
Methylene blue-directed biopsies improve detection of intestinal metaplasia and dysplasia in Barrett's esophagus.
Gastrointestinal endoscopy 2000;51(5):560-8.
2000: Amitabh Chak; Marcia Canto; Gregory Scott Cooper; G Isenberg; J Willis; Nathan Levitan; Julie Clayman; Arlene A Forastiere; Elisabeth Iljas Heath; M V Sivak
Endosonographic assessment of multimodality therapy predicts survival of esophageal carcinoma patients.
Cancer 2000;88(8):1788-95.
2000: Michael V Sivak; Kenji Kobayashi; Joseph A Izatt; Andrew M Rollins; R Ung-Runyawee; Amitabh Chak; Richard C K Wong; Gerard A Isenberg; Joseph Willis
High-resolution endoscopic imaging of the GI tract using optical coherence tomography.
Gastrointestinal endoscopy 2000;51(4 Pt 1):474-9.
2000: Gregory Scott Cooper; Amitabh Chak; L E Lloyd; P J Yurchick; D L Harper; G E Rosenthal
The accuracy of diagnosis and procedural codes for patients with upper GI hemorrhage.
Gastrointestinal endoscopy 2000;51(4 Pt 1):423-6.
2000: Amitabh Chak; Gerard Isenberg; Kenji Kobayashi; Richard C K Wong; Michael V Sivak
Prospective evaluation of an over-the-wire catheter US probe.
Gastrointestinal endoscopy 2000;51(2):202-5.
1999: AV Sahai; Drew B Schembre; Peter D Stevens; Amitabh Chak; G Isenberg; Charles J Lightdale; Michael V Sivak; Robert H Hawes
A multicenter U.S. experience with EUS-guided fine-needle aspiration using the Olympus GF-UM30P echoendoscope: safety and effectiveness.
Gastrointestinal endoscopy 1999;50(6):792-6.
1999: R J Charles; Amitabh Chak; Gregory Scott Cooper; Richard C K Wong; Michael V Sivak
Use of open access in GI endoscopy at an academic medical center.
Gastrointestinal endoscopy 1999;50(4):480-5.
1999: Amitabh Chak; Gregory Scott Cooper
Procedure-specific outcomes assessment for endoscopic ultrasonography.
Gastrointestinal endoscopy clinics of North America 1999;9(4):649-56, vii.
1999: Marc F Catalano; Eduardo Alcocer; Amitabh Chak; Cuong C Nguyen; Isaac Raijman; Joseph E Geenen; Sandeep Lahoti; M V Sivak
Evaluation of metastatic celiac axis lymph nodes in patients with esophageal carcinoma: accuracy of EUS.
Gastrointestinal endoscopy 1999;50(3):352-6.
1999: AM Soweid; Amitabh Chak; Jeffry A Katz; Michael V Sivak
Catheter probe assisted endoluminal US in inflammatory bowel disease.
Gastrointestinal endoscopy 1999;50(1):41-6.
1999: Douglas K Rex; Amitabh Chak; Rajeev Vasudeva; T Gross; David A Lieberman; I Bhattacharya; E Sack; M Wiersema; F Farraye; M Wallace; D Barrido; E Cravens; L Zeabart; D Bjorkman; T Lemmel; S Buckley
Prospective determination of distal colon findings in average-risk patients with proximal colon cancer.
Gastrointestinal endoscopy 1999;49(6):727-30.
1999: Amitabh Chak; G Isenberg; S Mallery; J Van Dam; Gregory Scott Cooper; Michael V Sivak
Prospective comparative evaluation of video US endoscope.
Gastrointestinal endoscopy 1999;49(6):695-9.
1999: Gregory Scott Cooper; Zhong Yuan; Amitabh Chak; Alfred A Rimm
Geographic and patient variation among Medicare beneficiaries in the use of follow-up testing after surgery for nonmetastatic colorectal carcinoma.
Cancer 1999;85(10):2124-31.
1999: Amitabh Chak; Robert H Hawes; Gregory Scott Cooper; Brenda J Hoffman; Marc F Catalano; R C Wong; T E Herbener; M V Sivak
Prospective assessment of the utility of EUS in the evaluation of gallstone pancreatitis.
Gastrointestinal endoscopy 1999;49(5):599-604.
1999: Gregory Scott Cooper; Amitabh Chak; LE Way; PJ Hammar; Dwain L Harper; Gary E Rosenthal
Early endoscopy in upper gastrointestinal hemorrhage: associations with recurrent bleeding, surgery, and length of hospital stay.
Gastrointestinal endoscopy 1999;49(2):145-52.
1998: Amitabh Chak; AM Soweid; Brenda J Hoffman; P Stevens; Robert H Hawes; Charles J Lightdale; Gregory Scott Cooper; Marcia Canto; Michael V Sivak
Clinical implications of endoluminal ultrasonography using through-the-scope catheter probes.
Gastrointestinal endoscopy 1998;48(5):485-90.
1998: Gregory Scott Cooper; Amitabh Chak; LE Way; PJ Hammar; Dwain L Harper; Gary E Rosenthal
Endoscopic practice for upper gastrointestinal hemorrhage: differences between major teaching and community-based hospitals.
Gastrointestinal endoscopy 1998;48(4):348-53.
1998: Amitabh Chak; AM Soweid; Brenda J Hoffman; P Stevens; Robert H Hawes; Charles J Lightdale; Gregory Scott Cooper; Marcia Canto; Michael V Sivak
Clinical implications of catheter probe-assisted endoluminal ultrasonography.
Endoscopy 1998;30 Suppl 1():A169-72.
1998: Amitabh Chak; Gerard Isenberg; S Mallery; J VanDam; Gregory Scott Cooper; Michael V Sivak
Video echoendoscopy in the United States.
Endoscopy 1998;30 Suppl 1():A135-7.
1998: Gerard Isenberg; Amitabh Chak; Marcia Canto; Nathan Levitan; Julie Clayman; BJ Pollack; Michael V Sivak
Endoscopic ultrasound in restaging of esophageal cancer after neoadjuvant chemoradiation.
Gastrointestinal endoscopy 1998;48(2):158-63.
1998: Marcia Canto; Amitabh Chak; Thomas A Stellato; Michael V Sivak
Endoscopic ultrasonography versus cholangiography for the diagnosis of choledocholithiasis.
Gastrointestinal endoscopy 1998;47(6):439-48.
1998: Gregory Scott Cooper; Amitabh Chak; Alfred F Connors; Dwain L Harper; Gary E Rosenthal
The effectiveness of early endoscopy for upper gastrointestinal hemorrhage: a community-based analysis.
Medical care 1998;36(4):462-74.
1998: Amitabh Chak; Gregory Scott Cooper; Marcia Canto; BJ Pollack; Michael V Sivak
Enteroscopy for the initial evaluation of iron deficiency.
Gastrointestinal endoscopy 1998;47(2):144-8.
1998: Amitabh Chak; M K Koehler; S N Sundaram; Gregory Scott Cooper; Marcia Canto; Michael V Sivak
Diagnostic and therapeutic impact of push enteroscopy: analysis of factors associated with positive findings.
Gastrointestinal endoscopy 1998;47(1):18-22.
1997: Gregory Scott Cooper; Z Yuan; Gary E Rosenthal; Amitabh Chak; Alfred A Rimm
Lack of gender and racial differences in surgery and mortality in hospitalized Medicare beneficiaries with bleeding peptic ulcer.
Journal of general internal medicine 1997;12(8):485-90.
1997: BJ Pollack; Amitabh Chak; B Dahman; Michael V Sivak
Warfarin therapy complicated by recurrent hemobilia in a patient with sarcoidosis.
Gastrointestinal endoscopy 1997;46(1):72-6.
1997: Amitabh Chak; Marcia Canto; T Rösch; H J Dittler; Robert H Hawes; T L Tio; Charles J Lightdale; H Worth Boyce; James M Scheiman; SL Carpenter; J Van Dam; Michael L Kochman; Michael V Sivak
Endosonographic differentiation of benign and malignant stromal cell tumors.
Gastrointestinal endoscopy 1997;45(6):468-73.
1997: Amitabh Chak; Marcia Canto; Peter D Stevens; Charles J Lightdale; F Van de Mierop; Gregory Scott Cooper; BJ Pollack; Michael V Sivak
Clinical applications of a new through-the-scope ultrasound probe: prospective comparison with an ultrasound endoscope.
Gastrointestinal endoscopy 1997;45(3):291-5.
1996: Amitabh Chak; A B Post; Gregory Scott Cooper
Clinical variables associated with colorectal cancer on colonoscopy: a prediction model.
The American journal of gastroenterology 1996;91(12):2483-8.
1996: N J Nickl; M S Bhutani; M Catalano; Brenda J Hoffman; Robert H Hawes; Amitabh Chak; L D Roubein; M Kimmey; M Johnson; J Affronti; Marcia Canto; Michael V Sivak; H W Boyce; Charles J Lightdale; P Stevens; C Schmitt
Clinical implications of endoscopic ultrasound: the American Endosonography Club Study.
Gastrointestinal endoscopy 1996;44(4):371-7.
1996: M Koehler; Amitabh Chak; S Setrakian; Michael V Sivak
Endoscopic appearance of Mycobacterium genavense: case report and review of the literature.
Gastrointestinal endoscopy 1996;44(3):331-3.
1996: Gregory Scott Cooper; Amitabh Chak; Dwain L Harper; Michael Pine; Gary E Rosenthal
Care of patients with upper gastrointestinal hemorrhage in academic medical centers: a community-based comparison.
Gastroenterology 1996;111(2):385-90.
1996: Amitabh Chak; Gregory Scott Cooper; E W Blades; Marcia Canto; Michael V Sivak
Prospective assessment of colonoscopic intubation skills in trainees.
Gastrointestinal endoscopy 1996;44(1):54-7.
1996: Marcia Canto; S Setrakian; R E Petras; E Blades; Amitabh Chak; Michael V Sivak
Methylene blue selectively stains intestinal metaplasia in Barrett's esophagus.
Gastrointestinal endoscopy 1996;44(1):1-7.
1996: BJ Pollack; Amitabh Chak; Michael V Sivak
Endoscopic ultrasonography.
Seminars in oncology 1996;23(3):336-46.
1995: Amitabh Chak; Marcia Canto; Hans Gerdes; Charles J Lightdale; Robert H Hawes; Maurits J Wiersema; G Kallimanis; Thian L Tio; T W Rice; H W Boyce
Prognosis of esophageal cancers preoperatively staged to be locally invasive (T4) by endoscopic ultrasound (EUS): a multicenter retrospective cohort study.
Gastrointestinal endoscopy 1995;42(6):501-6.
1995: Maurits J Wiersema; Amitabh Chak; Kenyon K Kopecky; Lisa M Wiersema
Duplex Doppler endosonography in the diagnosis of splenic vein, portal vein, and portosystemic shunt thrombosis.
Gastrointestinal endoscopy 1995;42(1):19-26.
1994: Amitabh Chak; Michael V Sivak
Electronic endoscopy, blood flow measurement and autofluorescence tissue spectroscopy.
Endoscopy 1994;26(1):169-74.
1994: Maurits J Wiersema; Amitabh Chak; Lisa M Wiersema
Mediastinal histoplasmosis: evaluation with endosonography and endoscopic fine-needle aspiration biopsy.
Gastrointestinal endoscopy 1994;40(1):78-81.
1993: Amitabh Chak; J G Banwell
Traveler's diarrhea.
Gastroenterology clinics of North America 1993;22(3):549-61.
1993: Maurits J Wiersema; M L Kochman; Amitabh Chak; H M Cramer; Kenneth A Kesler
Real-time endoscopic ultrasound-guided fine-needle aspiration of a mediastinal lymph node.
Gastrointestinal endoscopy 1993;39(3):429-31.