• 6836 Citations
  • 35 Scopus h-Index
20052020

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Article
2016

Influence of reflux and central obesity on intercellular space diameter of esophageal squamous epithelium

Blevins, C. H., Sharma, A. N., Johnson, M. L., Geno, D., Gupta, M., Bharucha, A. E., Katzka, D. A. & Iyer, P. G., 2016, In : United European Gastroenterology Journal. 4, 2, p. 177-183 7 p.

Research output: Contribution to journalArticle

2 Scopus citations

Linkage and related analyses of barrett’s esophagus and its associated adenocarcinomas

Sun, X., Elston, R., Falk, G. W., Grady, W. M., Faulx, A., Mittal, S. K., Canto, M. I., Shaheen, N. J., Wang, J. S., Iyer, P. G., Abrams, J. A., Willis, J. E., Guda, K., Markowitz, S., Barnholtz-Sloan, J. S., Chandar, A., Brock, W. & Chak, A., Jul 1 2016, In : Molecular Genetics and Genomic Medicine. 4, 4, p. 407-419 13 p.

Research output: Contribution to journalArticle

Open Access
4 Scopus citations

Magnitude of Missed Esophageal Adenocarcinoma after Barrett's Esophagus Diagnosis: A Systematic Review and Meta-analysis

Visrodia, K., Singh, S., Krishnamoorthi, R., Ahlquist, D. A., Wang, K. K., Iyer, P. G. & Katzka, D. A., Mar 1 2016, In : Gastroenterology. 150, 3, p. 599-607.e7

Research output: Contribution to journalArticle

44 Scopus citations

Pancreatic cyst epithelial denudation: A natural phenomenon in the absence of treatment

Gómez, V., Majumder, S., Smyrk, T. C., Topazian, M., Chari, S. T., Gleeson, F. C., Harmsen, W. S., Enders, F. T., Abu Dayyeh, B. K., Iyer, P. G., Pearson, R. K., Petersen, B. T., Rajan, E., Takahashi, N., Vege, S. S., Wang, K. K. N. & Levy, M. J., Jan 28 2016, (Accepted/In press) In : Gastrointestinal Endoscopy.

Research output: Contribution to journalArticle

10 Scopus citations

Predicting barrett's esophagus in families: An esophagus translational research network (BETRNet) model fitting clinical data to a familial paradigm

Sun, X., Elston, R. C., Barnholtz-Sloan, J. S., Falk, G. W., Grady, W. M., Faulx, A., Mittal, S. K., Canto, M., Shaheen, N. J., Wang, J. S., Iyer, P. G., Abrams, J. A., Tian, Y. D., Willis, J. E., Guda, K., Markowitz, S. D., Chandar, A., Warfe, J. M., Brock, W. & Chak, A., May 2016, In : Cancer Epidemiology Biomarkers and Prevention. 25, 5, p. 727-735 9 p.

Research output: Contribution to journalArticle

6 Scopus citations

Prevalence and Predictors of Gastroesophageal Reflux Complications in Community Subjects

Crews, N. R., Johnson, M. L., Schleck, C. D., Enders, F. T., Wongkeesong, L. M., Wang, K. K. N., Katzka, D. A. & Iyer, P. G., Aug 10 2016, (Accepted/In press) In : Digestive Diseases and Sciences. p. 1-8 8 p.

Research output: Contribution to journalArticle

8 Scopus citations

Putting it Through the Nose: The Ins and Outs of Transnasal Endoscopy

Blevins, C. H. & Iyer, P. G., Aug 16 2016, (Accepted/In press) In : American Journal of Gastroenterology.

Research output: Contribution to journalArticle

6 Scopus citations

Remote malignant intravascular thrombi: EUS-guided FNA diagnosis and impact on cancer staging

Rustagi, T., Gleeson, F. C., Chari, S. T., Abu Dayyeh, B. K., Farnell, M. B., Iyer, P. G., Kendrick, M. L., Pearson, R. K., Petersen, B. T., Rajan, E., Topazian, M., Truty, M., Vege, S. S., Wang, K. K. N. & Levy, M. J., Aug 16 2016, (Accepted/In press) In : Gastrointestinal Endoscopy.

Research output: Contribution to journalArticle

14 Scopus citations

Risk of recurrence of Barrett's esophagus after successful endoscopic therapy

Krishnamoorthi, R., Singh, S., Ragunathan, K., Katzka, D. A., Wang, K. K. N. & Iyer, P. G., Jun 1 2016, In : Gastrointestinal Endoscopy. 83, 6, p. 1090-1106 17 p.

Research output: Contribution to journalArticle

38 Scopus citations

RNA sequencing identifies transcriptionally viable gene fusions in esophageal adenocarcinomas

Blum, A. E., Venkitachalam, S., Guo, Y., Kieber-Emmons, A. M., Ravi, L., Chandar, A. K., Iyer, P. G., Canto, M. I., Wang, J. S., Shaheen, N. J., Barnholtz-Sloan, J. S., Markowitz, S. D., Willis, J. E., Shyr, Y., Chak, A., Varadan, V. & Guda, K., Oct 1 2016, In : Cancer research. 76, 19, p. 5628-5633 6 p.

Research output: Contribution to journalArticle

12 Scopus citations
2015

An Elderly Woman with an Uncommon Cause of Dysphagia

Al-Bawardy, B., Said, S. M. & Iyer, P. G., Sep 1 2015, In : Gastroenterology. 149, 3, p. e9-e10

Research output: Contribution to journalArticle

A randomized comparative effectiveness trial of novel endoscopic techniques and approaches for barrett's esophagus screening in the community

Sami, S. S., Dunagan, K. T., Johnson, M. L., Schleck, C. D., Shah, N. D., Zinsmeister, A. R., Wongkeesong, L. M., Wang, K. K., Katzka, D. A., Ragunath, K. & Iyer, P. G., Jan 10 2015, In : American Journal of Gastroenterology. 110, 1, p. 148-158 11 p.

Research output: Contribution to journalArticle

45 Scopus citations

Association of Serum Levels of Adipokines and Insulin With Risk of Barrett's Esophagus: A Systematic Review and Meta-Analysis

Chandar, A. K., Devanna, S., Lu, C., Singh, S., Greer, K., Chak, A. & Iyer, P. G., Dec 1 2015, In : Clinical Gastroenterology and Hepatology. 13, 13, p. 2241-2255.e4

Research output: Contribution to journalArticle

19 Scopus citations

Barrett's Esophagus: New Insights and Progress

Iyer, P. G. & Buttar, N. S., Jun 1 2015, In : Gastroenterology Clinics of North America. 44, 2, p. xv-xvi

Research output: Contribution to journalArticle

Clinical and Histologic Determinants of Mortality for Patients With Barrett's Esophagus-Related T1 Esophageal Adenocarcinoma

Leggett, C. L., Lewis, J. T., Wu, T. T., Schleck, C. D., Zinsmeister, A. R., Dunagan, K. T., Lutzke, L. S., Wang, K. K. & Iyer, P. G., Apr 1 2015, In : Clinical Gastroenterology and Hepatology. 13, 4, p. 658-664.e3

Research output: Contribution to journalArticle

13 Scopus citations

Detection of peritoneal carcinomatosis by EUS fine-needle aspiration: Impact on staging and resectability (with videos)

Levy, M. J., Abu Dayyeh, B. K., Fujii, L. L., Clayton, A. C., Reynolds, J. P., Lopes, T. L., Rao, A. S., Clain, J. E., Gleeson, F. C., Iyer, P. G., Kendrick, M. L., Rajan, E., Topazian, M., Wang, K. K. N., Wiersema, M. J. & Chari, S. T., May 1 2015, In : Gastrointestinal Endoscopy. 81, 5, p. 1215-1224 10 p.

Research output: Contribution to journalArticle

18 Scopus citations

Endoscopic mucosal impedance measurements correlate with eosinophilia and dilation of intercellular spaces in patients with eosinophilic esophagitis

Katzka, D. A., Ravi, K., Geno, D. M., Smyrk, T. C., Iyer, P. G., Alexander, J. A., Mabary, J. E., Camilleri, M. & Vaezi, M. F., Jul 1 2015, In : Clinical Gastroenterology and Hepatology. 13, 7, p. 1242-1248 7 p.

Research output: Contribution to journalArticle

62 Scopus citations

EUS-derived criteria for distinguishing benign from malignant metastatic solid hepatic masses

Fujii-Lau, L. L., Abu Dayyeh, B. K., Bruno, M. J., Chang, K. J., Dewitt, J. M., Fockens, P., Forcione, D., Napoleon, B., Palazzo, L., Topazian, M., Wiersema, M. J., Chak, A., Clain, J. E., Faigel, D. O., Gleeson, F. C., Hawes, R., Iyer, P. G., Rajan, E., Stevens, T., Wallace, M. B. & 2 others, Wang, K. K. N. & Levy, M. J., May 1 2015, In : Gastrointestinal Endoscopy. 81, 5, p. 1188-1196.e7

Research output: Contribution to journalArticle

11 Scopus citations

Fluorescence in situ hybridization identifies high risk Barrett's patients likely to develop esophageal adenocarcinoma

Brankley, S. M., Halling, K. C., Jenkins, S. M., Timmer, M. R., Iyer, P. G., Smyrk, T. C., Barr Fritcher, E. G., Voss, J. S., Kipp, B. R., Campion, M. B., Lutzke, L. S., Minot, D. M. & Wang, K. K. N., 2015, (Accepted/In press) In : Diseases of the Esophagus.

Research output: Contribution to journalArticle

2 Scopus citations

Management of high grade dysplasia in Barrett's oesophagus with underlying oesophageal varices: A retrospective study

Palmer, W. C., Di Leo, M., Jovani, M., Heckman, M. G., Diehl, N. N., Iyer, P. G., Wolfsen, H. C. & Wallace, M. B., Sep 1 2015, In : Digestive and Liver Disease. 47, 9, p. 763-768 6 p.

Research output: Contribution to journalArticle

2 Scopus citations
4 Scopus citations

Mucosal imaging advanced technologies in the gastrointestinal tract

Leggett, C. & Iyer, P. G., Oct 1 2015, In : Techniques in Gastrointestinal Endoscopy. 17, 4, p. 161-170 10 p.

Research output: Contribution to journalArticle

3 Scopus citations

Performance characteristics of unsedated ultrathin video endoscopy in the assessment of the upper GI tract: Systematic review and meta-analysis

Sami, S. S., Subramanian, V., Ortiz-Fernández-Sordo, J., Saeed, A., Singh, S., Guha, I. N., Iyer, P. G. & Ragunath, K., Nov 1 2015, In : Gastrointestinal Endoscopy. 82, 5, p. 782-792 11 p.

Research output: Contribution to journalArticle

17 Scopus citations

Radiofrequency Ablation Is Associated with Decreased Neoplastic Progression in Patients with Barrett's Esophagus and Confirmed Low-Grade Dysplasia

Small, A. J., Araujo, J. L., Leggett, C., Mendelson, A. H., Agarwalla, A., Abrams, J. A., Lightdale, C. J., Wang, T. C., Iyer, P. G., Wang, K. K. N., Rustgi, A. K., Ginsberg, G. G., Forde, K. A., Gimotty, P. A., Lewis, J. D., Falk, G. W. & Bewtra, M., Sep 1 2015, In : Gastroenterology. 149, 3, p. 567e3-576e3

Research output: Contribution to journalArticle

36 Scopus citations

Rates and predictors of progression to esophageal carcinoma in a large population-based Barrett's esophagus cohort

Krishnamoorthi, R., Borah, B. J., Heien, H., Das, A., Chak, A. & Iyer, P. G., Aug 30 2015, (Accepted/In press) In : Gastrointestinal Endoscopy.

Research output: Contribution to journalArticle

24 Scopus citations

Recent developments in pathogenesis, diagnosis and therapy of Barrett's esophagus

Halland, M., Katzka, D. A. & Iyer, P. G., Jun 7 2015, In : World Journal of Gastroenterology. 21, 21, p. 6479-6490 12 p.

Research output: Contribution to journalArticle

3 Scopus citations

Response to Syed et al.

Sami, S. S., Ragunath, K. & Iyer, P. G., Jun 10 2015, In : American Journal of Gastroenterology. 110, 6, p. 937-938 2 p.

Research output: Contribution to journalArticle

Role of Obesity in the Pathogenesis and Progression of Barrett's Esophagus

Chandar, A. K. & Iyer, P. G., Jun 1 2015, In : Gastroenterology Clinics of North America. 44, 2, p. 249-264 16 p.

Research output: Contribution to journalArticle

12 Scopus citations

Screening for Barrett's Esophagus

Gupta, M. & Iyer, P. G., Jun 1 2015, In : Gastroenterology Clinics of North America. 44, 2, p. 265-283 19 p.

Research output: Contribution to journalArticle

2 Scopus citations

Screening for barrett's esophagus and esophageal adenocarcinoma: Rationale, recent progress, challenges, and future directions

Sami, S. S., Ragunath, K. & Iyer, P. G., Apr 1 2015, In : Clinical Gastroenterology and Hepatology. 13, 4, p. 623-634 12 p.

Research output: Contribution to journalArticle

18 Scopus citations

Yield of Repeat Endoscopy in Barrett’s Esophagus with No Dysplasia and Low-Grade Dysplasia: A Population-Based Study

Visrodia, K., Iyer, P. G., Schleck, C. D., Zinsmeister, A. R. & Katzka, D. A., May 9 2015, (Accepted/In press) In : Digestive Diseases and Sciences.

Research output: Contribution to journalArticle

15 Scopus citations
2014

Effects of autofluorescence imaging on detection and treatment of early neoplasia in patients with barrett's esophagus

Boerwinkel, D. F., Holz, J. A., Kara, M. A., Meijer, S. L., Wallace, M. B., Wong Kee Song, L. M., Ragunath, K., Wolfsen, H. C., Iyer, P. G., Wang, K. K., Weusten, B. L., Aalders, M. C., Curvers, W. L. & Bergman, J. J. G. H. M., May 2014, In : Clinical Gastroenterology and Hepatology. 12, 5, p. 774-781 8 p.

Research output: Contribution to journalArticle

29 Scopus citations

Effects of Topical Steroids on Tight Junction Proteins and Spongiosis in Esophageal Epithelia of Patients With Eosinophilic Esophagitis

Katzka, D. A., Tadi, R., Smyrk, T. C., Katarya, E., Sharma, A., Geno, D. M., Camilleri, M., Iyer, P. G., Alexander, J. A. & Buttar, N. S., Nov 1 2014, In : Clinical Gastroenterology and Hepatology. 12, 11, p. 1824-1829.e1

Research output: Contribution to journalArticle

47 Scopus citations

Incidence of esophageal adenocarcinoma in Barrett's esophagus with low-grade dysplasia: A systematic review and meta-analysis

Singh, S., Manickam, P., Amin, A. V., Samala, N., Schouten, L. J., Iyer, P. G. & Desai, T. K., Jun 2014, In : Gastrointestinal endoscopy. 79, 6, p. 897-909.e4

Research output: Contribution to journalArticle

90 Scopus citations

Obstructive sleep apnea is a risk factor for barrett's esophagus

Leggett, C. L., Gorospe, E. C., Calvin, A. D., Harmsen, W. S., Zinsmeister, A. R., Caples, S., Somers, V. K., Dunagan, K., Lutzke, L., Wang, K. K. & Iyer, P. G., Apr 2014, In : Clinical Gastroenterology and Hepatology. 12, 4, p. 583-588.e1

Research output: Contribution to journalArticle

27 Scopus citations

Physical activity is associated with reduced risk of esophageal cancer, particularly esophageal adenocarcinoma: A systematic review and meta-analysis

Singh, S., Devanna, S., Edakkanambeth Varayil, J., Murad, M. H. & Iyer, P. G., May 30 2014, In : BMC Gastroenterology. 14, 1, 101.

Research output: Contribution to journalArticle

34 Scopus citations

Physical activity is associated with reduced risk of gastric cancer: A systematic review and meta-analysis

Singh, S., Varayil, J. E., Devanna, S., Murad, M. H. & Iyer, P. G., Jan 1 2014, In : Cancer Prevention Research. 7, 1, p. 12-22 11 p.

Research output: Contribution to journalArticle

30 Scopus citations

Positive correlation between endoscopist radiofrequency ablation volume and response rates in Barrett's esophagus

Fudman, D. I., Lightdale, C. J., Poneros, J. M., Ginsberg, G. G., Falk, G. W., Demarshall, M., Gupta, M., Iyer, P. G., Lutzke, L., Wang, K. K. & Abrams, J. A., Jul 2014, In : Gastrointestinal endoscopy. 80, 1, p. 71-77 7 p.

Research output: Contribution to journalArticle

31 Scopus citations

Prediction of response to endoscopic therapy of Barrett's dysplasia by using genetic biomarkers

Timmer, M. R., Brankley, S. M., Gorospe, E. C., Sun, G., Lutzke, L. S., Iyer, P. G., Halling, K. C., Krishnadath, K. K. & Wang, K. K., Dec 1 2014, In : Gastrointestinal endoscopy. 80, 6, p. 984-991 8 p.

Research output: Contribution to journalArticle

14 Scopus citations

Prospective evaluation of adverse events following lower gastrointestinal tract EUS FNA

Levy, M. J., Abu Dayyeh, B. K., Fujii, L. L., Boardman, L. A., Clain, J. E., Iyer, P. G., Rajan, E., Topazian, M. D., Wang, K. K., Wiersema, M. J. & Gleeson, F. C., May 2014, In : American Journal of Gastroenterology. 109, 5, p. 676-685 10 p.

Research output: Contribution to journalArticle

9 Scopus citations

Screening for Barrett's esophagus: Results from a population-based survey

Gupta, M., Beebe, T. J., Dunagan, K. T., Schleck, C. D., Zinsmeister, A. R., Talley, N. J., Locke, G. R. & Iyer, P. G., Aug 2014, In : Digestive Diseases and Sciences. 59, 8, p. 1831-1850 20 p.

Research output: Contribution to journalArticle

9 Scopus citations
2013

Assessment of the diagnostic performance and interobserver variability of endocytoscopy in Barrett's esophagus: A pilot ex-vivo study

Tomizawa, Y., Iyer, P. G., Wongkeesong, L. M., Buttar, N. S., Lutzke, L. S., Wu, T. T. & Wang, K. K., Dec 14 2013, In : World journal of gastroenterology. 19, 46, p. 8652-8658 7 p.

Research output: Contribution to journalArticle

7 Scopus citations

Association of Barrett's Esophagus With Type II Diabetes Mellitus: Results From a Large Population-based Case-Control Study

Iyer, P. G., Borah, B. J., Heien, H. C., Das, A., Cooper, G. S. & Chak, A., Sep 2013, In : Clinical Gastroenterology and Hepatology. 11, 9, p. 1108-1114.e5

Research output: Contribution to journalArticle

37 Scopus citations
178 Scopus citations

Metabolic syndrome as a risk factor for barrett esophagus: A population-based case-control study

Leggett, C. L., Nelsen, E. M., Tian, J., Schleck, C. B., Zinsmeister, A. R., Dunagan, K. T., Locke, G. R., Wang, K. K., Talley, N. J. & Iyer, P. G., Feb 2013, In : Mayo Clinic proceedings. 88, 2, p. 157-165 9 p.

Research output: Contribution to journalArticle

25 Scopus citations

Recurrence of esophageal intestinal metaplasia after endoscopic mucosal resection and radiofrequency ablation of Barrett's esophagus: Results from a us multicenter consortium

Gupta, M., Iyer, P. G., Lutzke, L., Gorospe, E. C., Abrams, J. A., Falk, G. W., Ginsberg, G. G., Rustgi, A. K., Lightdale, C. J., Wang, T. C., Fudman, D. I., Poneros, J. M. & Wang, K. K., Jul 2013, In : Gastroenterology. 145, 1, p. 79-86.e1

Research output: Contribution to journalArticle

161 Scopus citations

Safety of endoscopic mucosal resection for Barrett's esophagus

Tomizawa, Y., Iyer, P. G., Wong Kee Song, L. M., Buttar, N. S., Lutzke, L. S. & Wang, K. K., Sep 1 2013, In : American Journal of Gastroenterology. 108, 9, p. 1440-1447 8 p.

Research output: Contribution to journalArticle

43 Scopus citations

Training in small-bowel capsule endoscopy: Assessing and defining competency

Rajan, E., Iyer, P. G., Oxentenko, A. S., Pardi, D. S., Alexander, J. A., Baron, T. H., Bruining, D. H., Hansel, S. L., Larson, M. V., Murray, J. A., Debritto, J., Dierkhising, R. A. & Gostout, C. J., Oct 1 2013, In : Gastrointestinal endoscopy. 78, 4, p. 617-622 6 p.

Research output: Contribution to journalArticle

21 Scopus citations
10 Scopus citations