• 6908 Citations
  • 36 Scopus h-Index
20052020

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Acceptability, Accuracy, and Safety of Disposable Transnasal Capsule Endoscopy for Barrett's Esophagus Screening

Sami, S. S., Iyer, P. G., Pophali, P., Halland, M., di Pietro, M., Ortiz-Fernandez-Sordo, J., White, J. R., Johnson, M., Guha, I. N., Fitzgerald, R. C. & Ragunath, K., Mar 2019, In : Clinical Gastroenterology and Hepatology. 17, 4, p. 638-646.e1

Research output: Contribution to journalArticle

Open Access
11 Scopus citations

Accuracy of Endoscopic Ultrasound Imaging in Distinguishing Celiac Ganglia From Celiac Lymph Nodes

Malikowski, T., Lehrke, H. D., Henry, M. R., Gleeson, F. C., Topazian, M. D., Harmsen, W. S., Takahashi, N., Inoue, D., Gara, N., Abu Dayyeh, B. K., Chari, S. T., Iyer, P. G., Rajan, E., Wang, K. K. & Levy, M. J., Jan 1 2019, In : Clinical Gastroenterology and Hepatology. 17, 1, p. 148-155.e3

Research output: Contribution to journalArticle

3 Scopus citations

ACG Clinical Guideline: Diagnosis and Management of Barrett's Esophagus

Shaheen, N. J., Falk, G. W., Iyer, P. G. & Gerson, L. B., Jan 1 2016, In : American Journal of Gastroenterology. 111, 1, p. 30-50 21 p.

Research output: Contribution to journalArticle

534 Scopus citations
1 Scopus citations

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

Approaches for stricture prevention after esophageal endoscopic resection

Abe, S., Iyer, P. G., Oda, I., Kanai, N. & Saito, Y., 2017, (Accepted/In press) In : Gastrointestinal Endoscopy.

Research output: Contribution to journalArticle

19 Scopus citations

Approach to the Post-Ablation Barrett's Esophagus Patient

Kahn, A., Shaheen, N. J. & Iyer, P. G., Jun 1 2020, In : The American Journal of Gastroenterology. 115, 6, p. 823-831 9 p.

Research output: Contribution to journalArticle

Open Access

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

A retrospective cohort study of endoscopic therapy and esophagectomy for stage 1 esophageal cancer: less is more

McCarty, J. C., Parker, R. K., Vidri, R. J., Robinson, K. A., Lipsitz, S., Gangadharan, S. P. & Iyer, P. G., Jan 1 2020, (Accepted/In press) In : Gastrointestinal endoscopy.

Research output: Contribution to journalArticle

1 Scopus citations

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

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

Association of sporadic and familial Barrett's esophagus with breast cancer

Chan, M. Q., Blum, A. E., Chandar, A. K., Emmons, A. M. L. K., Shindo, Y., Brock, W., Falk, G. W., Canto, M. I., Wang, J. S., Iyer, P. G., Shaheen, N. J., Grady, W. M., Abrams, J. A., Thota, P. N., Guda, K. K. & Chak, A., Apr 1 2018, In : Diseases of the Esophagus. 31, 4, doy007.

Research output: Contribution to journalArticle

Barrett esophagus length, nodularity, and low-grade dysplasia are predictive of progression to esophageal adenocarcinoma

Solanky, D., Krishnamoorthi, R., Crews, N., Johnson, M., Wang, K., Wolfsen, H., Fleischer, D. E., Ramirez, F. C., Katzka, D., Buttar, N. & Iyer, P. G., May 1 2019, In : Journal of clinical gastroenterology. 53, 5, p. 361-365 5 p.

Research output: Contribution to journalArticle

6 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

Can endosheath technology open primary care doors to Barrett's esophagus screening by transnasal endoscopy?

Iyer, P. G. & Chak, A., Feb 1 2016, In : Endoscopy. 48, 2, p. 105-106 2 p.

Research output: Contribution to journalArticle

5 Scopus citations
178 Scopus citations

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

Clinical impact of celiac ganglia metastasis upon pancreatic ductal adenocarcinoma

Malikowski, T., Lehrke, H. D., Henry, M. R., Gleeson, F. C., Alberts, S. R., Kendrick, M., Lennon, R. J., McWilliams, R. R., Takahashi, N., Topazian, M. D., Gara, N., Abu Dayyeh, B. K., Chandrasekhara, V., Chari, S. T., Iyer, P. G., Rajan, E., Storm, A. C., Wang, K. K. & Levy, M. J., Jan 1 2019, (Accepted/In press) In : Pancreatology.

Research output: Contribution to journalArticle

Combined Celiac Ganglia and Plexus Neurolysis Shortens Survival, Without Benefit, vs Plexus Neurolysis Alone

Levy, M. J., Gleeson, F. C., Topazian, M. D., Fujii-Lau, L. L., Enders, F. T., Larson, J. J., Mara, K., Abu Dayyeh, B. K., Alberts, S. R., Hallemeier, C. L., Iyer, P. G., Kendrick, M., Mauck, W. D., Pearson, R. K., Petersen, B. T., Rajan, E., Takahashi, N., Vege, S. S., Wang, K. K. & Chari, S. T., Mar 1 2019, In : Clinical Gastroenterology and Hepatology. 17, 4, p. 728-738.e9

Research output: Contribution to journalArticle

4 Scopus citations

Comparative Assessment of Patient Preferences and Tolerability in Barrett Esophagus Screening: Results From a Randomized Trial

Blevins, C. H., Egginton, J. S., Shah, N. D., Johnson, M. L. & Iyer, P. G., Jan 23 2018, (Accepted/In press) In : Journal of Clinical Gastroenterology.

Research output: Contribution to journalArticle

4 Scopus citations

Correlation of histology with biomarker status after photodynamic therapy in barrett esophagus

Prasad, G. A., Wang, K. K., Halling, K. C., Buttar, N. S., Wongkeesong, L. M., Zinsmeister, A. R., Brankley, S. M., Westra, W. M., Lutzke, L. S., Borkenhagen, L. S. & Dunagan, K., Aug 1 2008, In : Cancer. 113, 3, p. 470-476 7 p.

Research output: Contribution to journalArticle

27 Scopus citations

Costs associated with Barrett's esophagus screening in the community: An economic analysis of a prospective randomized controlled trial of sedated versus hospital unsedated versus mobile community unsedated endoscopy

Moriarty, J. P., Shah, N. D., Rubenstein, J. H., Blevins, C. H., Johnson, M., Katzka, D. A., Wang, K. K. N., Wongkeesong, L. M., Ahlquist, D. A. & Iyer, P. G., Nov 15 2016, (Accepted/In press) In : Gastrointestinal Endoscopy.

Research output: Contribution to journalArticle

14 Scopus citations

Depth of Submucosal Invasion Does Not Predict Lymph Node Metastasis and Survival of Patients With Esophageal Carcinoma

Badreddine, R. J., Prasad, G. A., Lewis, J. T., Lutzke, L. S., Borkenhagen, L. S., Dunagan, K. T. & Wang, K. K., Mar 1 2010, In : Clinical Gastroenterology and Hepatology. 8, 3, p. 248-253 6 p.

Research output: Contribution to journalArticle

70 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

Determining Risk of Barrett's Esophagus and Esophageal Adenocarcinoma Based on Epidemiologic Factors and Genetic Variants

Stomach and Oesophageal Cancer Study (SOCS) consortium, Apr 2018, In : Gastroenterology. 154, 5, p. 1273-1281.e3

Research output: Contribution to journalArticle

26 Scopus citations

Diagnosis of a remote neuroendocrine tumor thrombus by EUS-guided FNA

Dhaliwal, L., Marya, N. B., Huang, Y. & Iyer, P. G., Feb 2020, In : VideoGIE. 5, 2, p. 72-74 3 p.

Research output: Contribution to journalArticle

Open Access

Discovery, validation, and application of novel methylated DNA markers for detection of esophageal cancer in plasma

Qin, Y., Wu, C. W., Taylor, W. R., Sawas, T., Burger, K. N., Mahoney, D. W., Sun, Z., Yab, T. C., Lidgard, G. P., Allawi, H. T., Buttar, N. S., Smyrk, T. C., Iyer, P. G., Katzka, D. A., Ahlquist, D. A. & Kisiel, J. B., Dec 15 2019, In : Clinical Cancer Research. 25, 24, p. 7396-7403 8 p.

Research output: Contribution to journalArticle

2 Scopus citations

Distribution of Body Fat and Its Influence on Esophageal Inflammation and Dysplasia in Patients With Barrett's Esophagus

Nelsen, E. M., Kirihara, Y., Takahashi, N., Shi, Q., Lewis, J. T., Namasivayam, V., Buttar, N. S., Dunagan, K. T. & Prasad, G. A., Jul 1 2012, In : Clinical Gastroenterology and Hepatology. 10, 7, p. 728-734 7 p.

Research output: Contribution to journalArticle

35 Scopus citations

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

Endoscopic and Surgical Treatment of Mucosal (T1a) Esophageal Adenocarcinoma in Barrett's Esophagus

Prasad, G. A., Wu, T. T., Wigle, D. A., Buttar, N. S., Wongkeesong, L. M., Dunagan, K. T., Lutzke, L. S., Borkenhagen, L. S. & Wang, K. K., Sep 2009, In : Gastroenterology. 137, 3, p. 815-823 9 p.

Research output: Contribution to journalArticle

236 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

Endoscopic mucosal resection

Prasad, G. A. & Namasivayam, V., Apr 1 2010, In : Techniques in Gastrointestinal Endoscopy. 12, 2, p. 108-115 8 p.

Research output: Contribution to journalArticle

Endoscopic resection of nonadenomatous ampullary neoplasms

Chahal, P., Prasad, G. A., Sanderson, S. O., Gostout, C. J., Levy, M. J. & Baron, T. H., Aug 1 2007, In : Journal of clinical gastroenterology. 41, 7, p. 661-666 6 p.

Research output: Contribution to journalArticle

11 Scopus citations

Endoscopic therapy in patients with Barrett's esophagus and portal hypertension

Prasad, G. A., Wang, K. K., Joyce, A. M., Kochman, M. L., Lutzke, L. S. & Borkenhagen, L. S., Mar 1 2007, In : Gastrointestinal endoscopy. 65, 3, p. 527-531 5 p.

Research output: Contribution to journalArticle

3 Scopus citations

Endoscopic tri-modal imaging is more effective than standard endoscopy in identifying early-stage neoplasia in Barrett's esophagus

Curvers, W. L., Herrero, L. A., Wallace, M. B., Wong Kee Song, L. M., Ragunath, K., Wolfsen, H. C., Prasad, G. A., Wang, K. K., Subramanian, V., Weusten, B. L. A. M., Ten Kate, F. J. & Bergman, J. J. G. H. M., Oct 2010, In : Gastroenterology. 139, 4, p. 1106-1114.e1

Research output: Contribution to journalArticle

125 Scopus citations

Endoscopic Ultrasound Fine-Needle Aspiration Diagnosis of Synchronous Primary Pancreatic Adenocarcinoma and Effects on Staging and Resectability

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., Feb 1 2017, In : Clinical Gastroenterology and Hepatology. 15, 2, p. 299-302.e4

Research output: Contribution to journalArticle

3 Scopus citations

Endosheath ultrathin transnasal endoscopy is a cost-effective method for screening for Barrett's esophagus in patients with GERD symptoms

Honing, J., Kievit, W., Bookelaar, J., Peters, Y., Iyer, P. G. & Siersema, P. D., Jan 1 2019, (Accepted/In press) In : Gastrointestinal Endoscopy.

Research output: Contribution to journalArticle

6 Scopus citations

Epidemiology and natural history of intestinal metaplasia of the gastroesophageal junction and barrett's esophagus: A population-based study

Jung, K. W., Talley, N. J., Romero, Y., Katzka, D. A., Schleck, C. D., Zinsmeister, A. R., Dunagan, K. T., Lutzke, L. S., Wu, T. T., Wang, K. K., Frederickson, M., Geno, D. M., Locke, G. R. & Prasad, G. A., Aug 2011, In : American Journal of Gastroenterology. 106, 8, p. 1447-1455 9 p.

Research output: Contribution to journalArticle

105 Scopus citations

Epidemiology of Eosinophilic Esophagitis Over Three Decades in Olmsted County, Minnesota

Prasad, G. A., Alexander, J. A., Schleck, C. D., Zinsmeister, A. R., Smyrk, T. C., Elias, R. M., Locke, G. R. & Talley, N. J., Oct 1 2009, In : Clinical Gastroenterology and Hepatology. 7, 10, p. 1055-1061 7 p.

Research output: Contribution to journalArticle

333 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

Factors Associated With Increased Survival After Photodynamic Therapy for Cholangiocarcinoma

Prasad, G. A., Wang, K. K., Baron, T. H., Buttar, N. S., Wongkeesong, L. M., Roberts, L. R., LeRoy, A. J., Lutzke, L. S. & Borkenhagen, L. S., Jun 1 2007, In : Clinical Gastroenterology and Hepatology. 5, 6, p. 743-748 6 p.

Research output: Contribution to journalArticle

49 Scopus citations

Factors Associated With Progression of Barrett's Esophagus: A Systematic Review and Meta-analysis

Krishnamoorthi, R., Singh, S., Ragunathan, K., Visrodia, K., Wang, K. K. N., Katzka, D. A. & Iyer, P. G., Jan 1 2018, (Accepted/In press) In : Clinical Gastroenterology and Hepatology.

Research output: Contribution to journalArticle

18 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

Frozen section analysis of esophageal endoscopic mucosal resection specimens in the real-time management of Barrett's esophagus

Prasad, G. A., Wang, K. K., Lutzke, L. S., Lewis, J. T., Sanderson, S. O., Buttar, N. S., Wong Kee Song, L. M., Borkenhagen, L. S. & Burgart, L. J., Feb 1 2006, In : Clinical Gastroenterology and Hepatology. 4, 2, p. 173-178 6 p.

Research output: Contribution to journalArticle

17 Scopus citations

Frozen section analysis of esophageal endoscopic mucosal resection specimens in the real-time management of Barrett's esophagus

Iyer, P. G., Wang, K. K. N., Lutzke, L. S., Lewis, J. T., Sanderson, S. O., Buttar, N. S., Wong Kee Song, L. M., Borkenhagen, L. S. & Burgart, L. J., Feb 2006, In : Clinical Gastroenterology and Hepatology. 4, 2, p. 119-120 2 p.

Research output: Contribution to journalArticle

Genome-wide association studies in oesophageal adenocarcinoma and Barrett's oesophagus: a large-scale meta-analysis

Gharahkhani, P., Fitzgerald, R. C., Vaughan, T. L., Palles, C., Gockel, I., Tomlinson, I., Buas, M. F., May, A., Gerges, C., Anders, M., Becker, J., Kreuser, N., Noder, T., Venerito, M., Veits, L., Schmidt, T., Manner, H., Schmidt, C., Hess, T., Böhmer, A. C. & 49 others, Izbicki, J. R., Hölscher, A. H., Lang, H., Lorenz, D., Schumacher, B., Hackelsberger, A., Mayershofer, R., Pech, O., Vashist, Y., Ott, K., Vieth, M., Weismüller, J., Nöthen, M. M., Attwood, S., Barr, H., Chegwidden, L., de Caestecker, J., Harrison, R., Love, S. B., MacDonald, D., Moayyedi, P., Prenen, H., Watson, R. G. P., Iyer, P. G., Anderson, L. A., Bernstein, L., Chow, W. H., Hardie, L. J., Lagergren, J., Liu, G., Risch, H. A., Wu, A. H., Ye, W., Bird, N. C., Shaheen, N. J., Gammon, M. D., Corley, D. A., Caldas, C., Moebus, S., Knapp, M., Peters, W. H. M., Neuhaus, H., Rösch, T., Ell, C., MacGregor, S., Pharoah, P., Whiteman, D. C., Jankowski, J. & Schumacher, J., Oct 1 2016, In : The Lancet Oncology. 17, 10, p. 1363-1373 11 p.

Research output: Contribution to journalArticle

63 Scopus citations