Ajay Bansal

Summary

Affiliation: University of Kansas Medical Center
Country: USA

Publications

  1. pmc Discovery and validation of Barrett's esophagus microRNA transcriptome by next generation sequencing
    Ajay Bansal
    Division of Gastroenterology and Hepatology, Veterans Affairs Medical Center, Kansas City, Kansas, United States of America
    PLoS ONE 8:e54240. 2013
  2. doi request reprint Feasibility of mcroRNAs as biomarkers for Barrett's Esophagus progression: a pilot cross-sectional, phase 2 biomarker study
    Ajay Bansal
    Division of Gastroenterology and Hepatology, Veterans Affairs Medical Center and University of Kansas Medical Center, Kansas City, Kansas, USA
    Am J Gastroenterol 106:1055-63. 2011
  3. doi request reprint Correlation of epidermal growth factor receptor with morphological features of colorectal advanced adenomas: a pilot correlative case series
    Ajay Bansal
    Department of Gastroenterology, Veterans Affairs Medical Center, Kansas City, MO, USA
    Am J Med Sci 340:296-300. 2010
  4. doi request reprint Impact of measurement of esophageal acid exposure close to the gastroesophageal junction on diagnostic accuracy and event-symptom correlation: a prospective study using wireless dual pH monitoring
    Ajay Bansal
    Divisions of Gastroenterology and Hepatology, University of Kansas School of Medicine and Veterans Affairs Medical Center, Kansas City, Missouri 64128, USA
    Am J Gastroenterol 104:2918-25. 2009
  5. doi request reprint Risk factors for progression of low-grade dysplasia in patients with Barrett's esophagus
    Sachin Wani
    Division of Gastroenterology and Hepatology, Veterans Affairs Medical Center and University of Kansas School of Medicine, Kansas City, Missouri 64128 2295, USA
    Gastroenterology 141:1179-86, 1186.e1. 2011
  6. doi request reprint Clinical utility and interobserver agreement of autofluorescence imaging and magnification narrow-band imaging for the evaluation of Barrett's esophagus: a prospective tandem study
    Maria Giacchino
    Division of Gastroenterology and Hepatology, Veterans Affairs Medical Center, Kansas City, Missour, USA
    Gastrointest Endosc 77:711-8. 2013
  7. doi request reprint Endoscopic mucosal resection results in change of histologic diagnosis in Barrett's esophagus patients with visible and flat neoplasia: a multicenter cohort study
    Sachin Wani
    Division of Gastroenterology and Hepatology, University of Colorado and Veterans Affairs Medical Center, Denver, CO, USA
    Dig Dis Sci 58:1703-9. 2013
  8. doi request reprint Prevalence and predictors of columnar lined esophagus in gastroesophageal reflux disease (GERD) patients undergoing upper endoscopy
    Gokulakrishnan Balasubramanian
    Department of Gastroenterology and Hepatology, Veterans Affairs Medical Center, Kansas City, Missouri 64128 2295, USA
    Am J Gastroenterol 107:1655-61. 2012
  9. ncbi request reprint A feasibility trial of narrow band imaging endoscopy in patients with gastroesophageal reflux disease
    Prateek Sharma
    Division of Gastroenterology and Hepatology, University of Kansas School of Medicine, Kansas City, Missouri 64128 2295, USA
    Gastroenterology 133:454-64; quiz 674. 2007
  10. doi request reprint Persistence of nondysplastic Barrett's esophagus identifies patients at lower risk for esophageal adenocarcinoma: results from a large multicenter cohort
    Srinivas Gaddam
    Gastroenterology and Hepatology, Washington University School of Medicine, St Louis, MO, USA
    Gastroenterology 145:548-53.e1. 2013

Collaborators

Detail Information

Publications44

  1. pmc Discovery and validation of Barrett's esophagus microRNA transcriptome by next generation sequencing
    Ajay Bansal
    Division of Gastroenterology and Hepatology, Veterans Affairs Medical Center, Kansas City, Kansas, United States of America
    PLoS ONE 8:e54240. 2013
    ..Barrett's esophagus (BE) is transition from squamous to columnar mucosa as a result of gastroesophageal reflux disease (GERD). The role of microRNA during this transition has not been systematically studied...
  2. doi request reprint Feasibility of mcroRNAs as biomarkers for Barrett's Esophagus progression: a pilot cross-sectional, phase 2 biomarker study
    Ajay Bansal
    Division of Gastroenterology and Hepatology, Veterans Affairs Medical Center and University of Kansas Medical Center, Kansas City, Kansas, USA
    Am J Gastroenterol 106:1055-63. 2011
    ..Risk stratification of Barrett's esophagus (BE) using biomarkers remains an important goal. We evaluated feasibility and clinical accuracy of novel microRNA (miRNA) biomarkers for prediction of BE dysplasia...
  3. doi request reprint Correlation of epidermal growth factor receptor with morphological features of colorectal advanced adenomas: a pilot correlative case series
    Ajay Bansal
    Department of Gastroenterology, Veterans Affairs Medical Center, Kansas City, MO, USA
    Am J Med Sci 340:296-300. 2010
    ..Although EGFR is described to be overexpressed in adenomas, to the authors' knowledge, its relationship with advanced features in adenomas and as a marker for adenoma progression has not been studied...
  4. doi request reprint Impact of measurement of esophageal acid exposure close to the gastroesophageal junction on diagnostic accuracy and event-symptom correlation: a prospective study using wireless dual pH monitoring
    Ajay Bansal
    Divisions of Gastroenterology and Hepatology, University of Kansas School of Medicine and Veterans Affairs Medical Center, Kansas City, Missouri 64128, USA
    Am J Gastroenterol 104:2918-25. 2009
    ....
  5. doi request reprint Risk factors for progression of low-grade dysplasia in patients with Barrett's esophagus
    Sachin Wani
    Division of Gastroenterology and Hepatology, Veterans Affairs Medical Center and University of Kansas School of Medicine, Kansas City, Missouri 64128 2295, USA
    Gastroenterology 141:1179-86, 1186.e1. 2011
    ..We assessed the effects of consensus diagnosis of LGD on progression rates to HGD and EAC among expert pathologists...
  6. doi request reprint Clinical utility and interobserver agreement of autofluorescence imaging and magnification narrow-band imaging for the evaluation of Barrett's esophagus: a prospective tandem study
    Maria Giacchino
    Division of Gastroenterology and Hepatology, Veterans Affairs Medical Center, Kansas City, Missour, USA
    Gastrointest Endosc 77:711-8. 2013
    ..New endoscopic imaging techniques, such as autofluorescence imaging (AFI) and narrow-band imaging (NBI), have been developed to improve the detection of neoplastic lesions in Barrett's esophagus (BE)...
  7. doi request reprint Endoscopic mucosal resection results in change of histologic diagnosis in Barrett's esophagus patients with visible and flat neoplasia: a multicenter cohort study
    Sachin Wani
    Division of Gastroenterology and Hepatology, University of Colorado and Veterans Affairs Medical Center, Denver, CO, USA
    Dig Dis Sci 58:1703-9. 2013
    ....
  8. doi request reprint Prevalence and predictors of columnar lined esophagus in gastroesophageal reflux disease (GERD) patients undergoing upper endoscopy
    Gokulakrishnan Balasubramanian
    Department of Gastroenterology and Hepatology, Veterans Affairs Medical Center, Kansas City, Missouri 64128 2295, USA
    Am J Gastroenterol 107:1655-61. 2012
    ..The objective of this study was to prospectively evaluate the prevalence and risk factors of CLE in a large cohort of GERD patients undergoing upper endoscopy...
  9. ncbi request reprint A feasibility trial of narrow band imaging endoscopy in patients with gastroesophageal reflux disease
    Prateek Sharma
    Division of Gastroenterology and Hepatology, University of Kansas School of Medicine, Kansas City, Missouri 64128 2295, USA
    Gastroenterology 133:454-64; quiz 674. 2007
    ..Narrow band imaging (NBI) endoscopy system enhances visualization of microvasculature and mucosal patterns. This study assessed the utility of NBI in patients with gastroesophageal reflux disease (GERD) symptoms...
  10. doi request reprint Persistence of nondysplastic Barrett's esophagus identifies patients at lower risk for esophageal adenocarcinoma: results from a large multicenter cohort
    Srinivas Gaddam
    Gastroenterology and Hepatology, Washington University School of Medicine, St Louis, MO, USA
    Gastroenterology 145:548-53.e1. 2013
    ..We evaluated whether persistence of NDBE over multiple consecutive surveillance endoscopic examinations could be used in risk stratification of patients with Barrett's esophagus (BE)...
  11. doi request reprint Adequacy of esophageal squamous mucosa specimens obtained during endoscopy: are standard biopsies sufficient for postablation surveillance in Barrett's esophagus?
    Neil Gupta
    Department of Gastroenterology, Veterans Affairs Medical Center, Kansas City, MO, USA
    Gastrointest Endosc 75:11-8. 2012
    ..After endoscopic eradication therapy (EET) for Barrett's esophagus (BE), surveillance of residual/recurrent intestinal metaplasia/dysplasia including subsquamous tissue is performed by using biopsy forceps...
  12. doi request reprint Novel probe-based confocal laser endomicroscopy criteria and interobserver agreement for the detection of dysplasia in Barrett's esophagus
    Srinivas Gaddam
    Department of Gastroenterology and Hepatology, Veterans Affairs Medical Center, Kansas City, Missouri 64128 2295, USA
    Am J Gastroenterol 106:1961-9. 2011
    ..The objectives of this study were to create and test novel pCLE criteria for dysplastic BE (phase I), and to evaluate accuracy, interobserver variability, and learning curve in dysplasia prediction (phase II) using these criteria...
  13. doi request reprint Longer inspection time is associated with increased detection of high-grade dysplasia and esophageal adenocarcinoma in Barrett's esophagus
    Neil Gupta
    Division of Gastroenterology, Kansas City Veterans Affairs Medical Center, Kansas City, Missouri 64128 2295, USA
    Gastrointest Endosc 76:531-8. 2012
    ..Current guidelines recommend that endoscopic surveillance of Barrett's esophagus (BE) be performed by using a strict biopsy protocol. However, novel methods to improve BE surveillance are still needed...
  14. doi request reprint Prevalence of advanced histological features in diminutive and small colon polyps
    Neil Gupta
    Division of Gastroenterology, Kansas City Veterans Affairs Medical Center, Kansas City, Missouri, USA
    Gastrointest Endosc 75:1022-30. 2012
    ..Advanced histological features such as villous histology, high-grade dysplasia, and/or cancer in these polyps could deter adoption of these strategies...
  15. doi request reprint Randomized, controlled trial of standard-definition white-light, high-definition white-light, and narrow-band imaging colonoscopy for the detection of colon polyps and prediction of polyp histology
    Amit Rastogi
    University of Kansas School of Medicine, Veterans Affairs Medical Center, Kansas City, Missouri 64128 2295, USA
    Gastrointest Endosc 74:593-602. 2011
    ..Missing adenomas and the inability to accurately differentiate between polyp histology remain the main limitations of standard-definition white-light (SD-WL) colonoscopy...
  16. doi request reprint High accuracy of narrow band imaging without magnification for the real-time characterization of polyp histology and its comparison with high-definition white light colonoscopy: a prospective study
    Amit Rastogi
    Division of Gastroenterology and Hepatology, University of Kansas School of Medicine, Veterans Affairs Medical Center, Kansas City, Missouri 64128, USA
    Am J Gastroenterol 104:2422-30. 2009
    ..hyperplastic) by evaluating the surface mucosal and vascular patterns...
  17. doi request reprint Standard endoscopy with random biopsies versus narrow band imaging targeted biopsies in Barrett's oesophagus: a prospective, international, randomised controlled trial
    Prateek Sharma
    Division of Gastroenterology, Department of Veterans Affairs Medical Center, 4801 E Linwood Blvd, Kansas City, MO 64128, USA
    Gut 62:15-21. 2013
    ..Narrow band imaging (NBI) highlights surface patterns that correlate with IM and neoplasia in BO...
  18. doi request reprint Higher adenoma detection rates with cap-assisted colonoscopy: a randomised controlled trial
    Amit Rastogi
    Gastroenterology and Hepatology, Veterans Affairs Medical Center, Kansas City, Missouri 64128 2295, USA
    Gut 61:402-8. 2012
    ..The aim of this study was to compare CAC with standard colonoscopy (SC; high-definition white light) for adenoma detection rates...
  19. doi request reprint Endoscopy for upper GI cancer screening in the general population: a cost-utility analysis
    Neil Gupta
    Division of Gastroenterology, University of Kansas School of Medicine, Kansas City, Kansas, USA
    Gastrointest Endosc 74:610-624.e2. 2011
    ....
  20. doi request reprint Risk factors for nocturnal reflux in a large GERD cohort
    Srinivas Gaddam
    Division of Gastroenterology and Hepatology, Veterans Affairs Medical Center, Kansas City, MO 64128 2295, USA
    J Clin Gastroenterol 45:764-8. 2011
    ..However, there is limited information on independent predictors of nocturnal GERD...
  21. doi request reprint Greater interobserver agreement by endoscopic mucosal resection than biopsy samples in Barrett's dysplasia
    Sachin Wani
    Division of Gastroenterology and Hepatology and Department of Pathology, Veterans Affairs Medical Center and University of Kansas School of Medicine, Kansas City, Missouri 64128 2295, USA
    Clin Gastroenterol Hepatol 8:783-8. 2010
    ..We analyzed the histopathologic characteristics of specimens collected during EMR compared with biopsy specimens from patients with BE and assessed interobserver variability in pathologists' assessment of EMR and biopsy specimens...
  22. doi request reprint A comparative study of endoscopic ultrasound guided fine needle aspiration with and without a stylet
    Sachin Wani
    Division of Gastroenterology and Hepatology, Department of Pathology, Veterans Affairs Medical Center, University of Kansas School of Medicine, 4801 E Linwood Blvd, Kansas City, MO 64128 2295, USA
    Dig Dis Sci 56:2409-14. 2011
    ..Despite lack of evidence, use of a stylet during endoscopic ultrasound-guided fine-needle aspiration (EUS-FNA) is assumed to improve the quality and diagnostic yield of specimens...
  23. doi request reprint Recognition of surface mucosal and vascular patterns of colon polyps by using narrow-band imaging: interobserver and intraobserver agreement and prediction of polyp histology
    Amit Rastogi
    Division of Gastroenterology and Hepatology, Veterans Affairs Medical Center, Kansas City, Missouri 64128, USA
    Gastrointest Endosc 69:716-22. 2009
    ..Earlier we described, in a pilot study, patterns seen on the polyp surface with NBI that can help differentiate between adenomas and hyperplastic polyps with a high degree of accuracy...
  24. ncbi request reprint The diagnostic accuracy of esophageal capsule endoscopy in patients with gastroesophageal reflux disease and Barrett's esophagus: a blinded, prospective study
    Prateek Sharma
    Veterans Affairs Medical Center, Kansas City, Missouri 64128 2295, USA
    Am J Gastroenterol 103:525-32. 2008
    ..Esophageal capsule endoscopy (ECE) is a novel technique that offers noninvasive evaluation of esophageal pathology in gastroesophageal reflux disease (GERD) patients...
  25. ncbi request reprint Narrow-band imaging colonoscopy--a pilot feasibility study for the detection of polyps and correlation of surface patterns with polyp histologic diagnosis
    Amit Rastogi
    Division of Gastroenterology and Hepatology, Veterans Affairs Medical Center, University of Kansas School of Medicine, Kansas City, Missouri 64128, USA
    Gastrointest Endosc 67:280-6. 2008
    ..Narrow-band imaging (NBI) is a novel technology that enhances the visualization of surface mucosal and vascular patterns...
  26. pmc Weight loss can lead to resolution of gastroesophageal reflux disease symptoms: a prospective intervention trial
    Mandeep Singh
    Department of Gastroenterology, Veterans Affairs Medical Center, Kansas City, Missouri, USA
    Obesity (Silver Spring) 21:284-90. 2013
    ..Weight gain is an important risk factor for gastroesophageal reflux disease (GERD); however, whether weight loss can lead to resolution of GERD symptoms is not clear. Our aim was to measure the impact of weight loss on GERD symptoms...
  27. doi request reprint Accuracy of in vivo optical diagnosis of colon polyp histology by narrow-band imaging in predicting colonoscopy surveillance intervals
    Neil Gupta
    Division of Gastroenterology, Kansas City Veterans Affairs Medical Center, Kansas City, Missouri 64128, USA
    Gastrointest Endosc 75:494-502. 2012
    ..Narrow-band imaging (NBI) has been shown to predict polyp histology with moderate to high accuracy in several studies...
  28. doi request reprint Validation of the Prague C & M criteria for the endoscopic grading of Barrett's esophagus by gastroenterology trainees: a multicenter study
    Babac Vahabzadeh
    Veterans Affairs Medical Center, Kansas City, Missouri 64128 2295, USA
    Gastrointest Endosc 75:236-41. 2012
    ..Its performance among gastroenterology trainees is unknown...
  29. doi request reprint Patients with nondysplastic Barrett's esophagus have low risks for developing dysplasia or esophageal adenocarcinoma
    Sachin Wani
    Division of Gastroenterology and Hepatology, Veterans Affairs Medical Center and University of Kansas School of Medicine, Kansas City, Missouri, USA
    Clin Gastroenterol Hepatol 9:220-7; quiz e26. 2011
    ..We studied the incidences of dysplasia and EAC and investigated factors associated with progression of BE...
  30. doi request reprint Esophageal adenocarcinoma in Barrett's esophagus after endoscopic ablative therapy: a meta-analysis and systematic review
    Sachin Wani
    Division of Gastroenterology and Hepatology, Veterans Affairs Medical Center, University of Kansas School of Medicine, Kansas City, Missouri, USA
    Am J Gastroenterol 104:502-13. 2009
    ..The objective of this study was to determine the cancer incidence in BE patients after ablative therapy and compare these rates to cohort studies of BE patients not undergoing ablation...
  31. pmc Predictors of progression in Barrett's esophagus: current knowledge and future directions
    Ganapathy A Prasad
    Division of Gastroenterology and Hepatology, Barrett s Esophagus Unit, Mayo Clinic, Rochester, MN 55905, USA
    Am J Gastroenterol 105:1490-1502. 2010
    ..Although it would be challenging, creation of such a score has the potential to improve outcomes and make the management of patients with BE more cost-effective...
  32. ncbi request reprint Screening and surveillance of Barrett's esophagus
    Jeff Michalak
    University of Kansas School of Medicine and Veterans Affairs Medical Center, Kansas City, MO 64128, USA
    Curr Gastroenterol Rep 11:195-201. 2009
    ..Future application of molecular biomarkers may help identify the patients with BE most likely to progress, and the use of novel imaging methods may improve outcomes of BE screening and surveillance...
  33. doi request reprint Correlation between narrow band imaging and nonneoplastic gastric pathology: a pilot feasibility trial
    Ajay Bansal
    Department of Gastroenterology and Pathology, University of Kansas School of Medicine, Kansas City, Missouri, USA
    Gastrointest Endosc 67:210-6. 2008
    ..A novel narrow band imaging (NBI) system is able to visualize the mucosal and vascular network in the GI tract...
  34. pmc Real-time increased detection of neoplastic tissue in Barrett's esophagus with probe-based confocal laser endomicroscopy: final results of an international multicenter, prospective, randomized, controlled trial
    Prateek Sharma
    Veterans Affairs Medical Center and University of Kansas School of Medicine, Kansas City, Missouri, USA
    Gastrointest Endosc 74:465-72. 2011
    ..Probe-based confocal laser endomicroscopy (pCLE) allows real-time detection of neoplastic Barrett's esophagus (BE) tissue. However, the accuracy of pCLE in real time has not yet been extensively evaluated...
  35. doi request reprint Practice patterns among U.S. gastroenterologists regarding endoscopic management of Barrett's esophagus
    Mandeep Singh
    Gastroenterology and Hepatology, Kansas City Veterans Affairs Medical Center, Kansas City, Missouri, USA Gastroenterology and Hepatology, University of Kansas School of Medicine, Kansas City, Missouri, USA
    Gastrointest Endosc 78:689-95. 2013
    ..Endoscopic management of Barrett's esophagus (BE) has evolved over the past decade; however, the practice patterns for managing BE among gastroenterologists remain unclear...
  36. ncbi request reprint Incidence of esophageal adenocarcinoma in patients with Barrett's esophagus and high-grade dysplasia: a meta-analysis
    Amit Rastogi
    Division of Gastroenterology and Hepatology, University of Kansas School of Medicine, Kansas City, MO 64128, USA
    Gastrointest Endosc 67:394-8. 2008
    ..However, the reported rate of cancer development in patients with HGD who were undergoing surveillance has varied among published studies...
  37. doi request reprint Comparison of endoscopic therapies and surgical resection in patients with early esophageal cancer: a population-based study
    Sachin Wani
    Division of Gastroenterology and Hepatology, University of Colorado Anschutz Medical Center, Aurora, Colorado, USA Division of Gastroenterology and Hepatology, Veterans Affairs Medical Center, Denver, Colorado, USA
    Gastrointest Endosc 79:224-232.e1. 2014
    ..Outcome data comparing endoscopic eradication therapy (EET) and esophagectomy are limited in patients with early esophageal cancer (EC)...
  38. doi request reprint A prospective, single-blind, randomized, controlled trial of EUS-guided FNA with and without a stylet
    Amit Rastogi
    Veterans Affairs Medical Center, Kansas City, KS, USA
    Gastrointest Endosc 74:58-64. 2011
    ..Reinserting the stylet into the needle after every pass is tedious and time-consuming, and there are no data to suggest that it improves the quality of the cytology specimen...
  39. pmc Treatment of GERD complications (Barrett's, peptic stricture) and extra-oesophageal syndromes
    Ajay Bansal
    Department of Medicine, Veterans Affairs Medical Center, University of Kansas, MO, USA
    Best Pract Res Clin Gastroenterol 24:961-8. 2010
    ..Treatment trials have been generally disappointing and the clinical challenge remains in accurately identifying afflicted patients who might benefit from more intensive medical or surgical reflux treatment...
  40. ncbi request reprint Effect of proton pump inhibitor therapy on inflammatory changes in the gastric cardia (carditis)
    Shailender Singh
    University of Kansas School of Medicine and Veterans Affairs Medical Center, Kansas City, Kansas, Missouri 64128, USA
    Dig Dis Sci 52:2178-82. 2007
    ..In conclusion, acid suppressive therapy with PPI did not lead to a significant reduction in carditis scores. These results suggest that GERD probably does not play a major role in the pathogenesis of inflammation in the gastric cardia...
  41. doi request reprint What's new in columnar lined esophagus (Barrett's metaplasia)?
    Rashmi Tadiparthi
    Division of Gastroenterology and Hepatology, Veteran s Affairs Medical Center and University of Kansas School of Medicine, Kansas City, Missouri 64128 2295, USA
    Curr Opin Gastroenterol 24:516-20. 2008
    ..This review endeavors to summarize the recent advances in our understanding of Barrett's esophagus with an emphasis on novel imaging techniques and endoscopic therapies...
  42. doi request reprint Gastroenterology trainees can easily learn histologic characterization of diminutive colorectal polyps with narrow band imaging
    Swati G Patel
    Division of Gastroenterology and Hepatology, University of Colorado Anschutz Medical Campus, Aurora, Colorado 80045, USA
    Clin Gastroenterol Hepatol 11:997-1003.e1. 2013
    ..We developed and tested a tool to teach trainees to characterize the histology of diminutive polyps by using NBI...
  43. ncbi request reprint The utility of a novel narrow band imaging endoscopy system in patients with Barrett's esophagus
    Prateek Sharma
    Division of Gastroenterology and Hepatology, Department of Pathology, and Kansas Cancer Institute, University of Kansas School of Medicine and Veterans Affairs Medical Center, Kansas City, Missouri 64128 2295, USA
    Gastrointest Endosc 64:167-75. 2006
    ..A narrow band imaging (NBI) endoscopy system has been developed that allows superficial surface imaging of esophageal tissue in vivo...
  44. pmc Has high-resolution manometry changed the approach to esophageal motility disorders?
    Ajay Bansal
    Department of Medicine, Veterans Affairs Medical Center and University of Kansas, Kansas City, Missouri, USA
    Curr Opin Gastroenterol 26:344-51. 2010
    ..The purpose of the current review is to discuss the salient advantages of HRM that are likely to change the clinical practice of manometry...