• 6100 Citations
  • 34 Scopus h-Index
20052019
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Research Output 2005 2019

2019
7 Citations (Scopus)

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 1 2019, In : Clinical Gastroenterology and Hepatology. 17, 4, p. 638-646.e1

Research output: Contribution to journalArticle

Open Access
Capsule Endoscopy
Barrett Esophagus
Digestive System Endoscopy
Safety
Visual Analog Scale
2 Citations (Scopus)

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

Research output: Contribution to journalArticle

Sympathetic Ganglia
Abdomen
Ultrasonography
Lymph Nodes
Cell Biology
2 Citations (Scopus)

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. K. N., Wolfsen, H., Fleischer, D., Ramirez, F. C., Katzka, D. A., Buttar, N. S. & Iyer, P. G., May 1 2019, In : Journal of clinical gastroenterology. 53, 5, p. 361-365 5 p.

Research output: Contribution to journalArticle

Barrett Esophagus
Adenocarcinoma
Confidence Intervals
Biopsy
Proportional Hazards Models
1 Citation (Scopus)

Barrett oesophagus

Peters, Y., Al-Kaabi, A., Shaheen, N. J., Chak, A., Blum, A., Souza, R. F., Di Pietro, M., Iyer, P. G., Pech, O., Fitzgerald, R. C. & Siersema, P. D., Dec 1 2019, In : Nature Reviews Disease Primers. 5, 1, 35.

Research output: Contribution to journalReview article

Barrett Esophagus
Metaplasia
Epithelium
Hydroxymethylglutaryl-CoA Reductase Inhibitors
Proton Pump Inhibitors

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

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

Research output: Contribution to journalArticle

Celiac Plexus
Sympathetic Ganglia
Survival
Pain
Quality of Life

Continuing Medical Education Exam: May 2019

Ravi, K., Ross, W., Sahakian, A., Weston, B., Iyer, P. G., Rastogi, A. & Wallace, M. B., May 1 2019, In : Gastrointestinal endoscopy. 89, 5, p. 1044-1044.e5

Research output: Contribution to journalComment/debate

Continuing Medical Education

Continuing Medical Education Exam: June 2019

Ravi, K., Ross, W., Sahakian, A., Weston, B., Iyer, P. G., Rastogi, A. & Wallace, M. B., Jun 1 2019, In : Gastrointestinal endoscopy. 89, 6, p. 1241-1241.e5

Research output: Contribution to journalComment/debate

Continuing Medical Education

Continuing Medical Education Exam: March 2019

Ravi, K., Ross, W., Sahakian, A., Weston, B., Iyer, P. G., Rastogi, A. & Wallace, M. B., Mar 1 2019, In : Gastrointestinal endoscopy. 89, 3, p. 625-625.e5

Research output: Contribution to journalComment/debate

Continuing Medical Education

Continuing Medical Education Exam: April 2019

Ravi, K., Ross, W., Sahakian, A., Weston, B., Iyer, P. G., Rastogi, A. & Wallace, M. B., Apr 1 2019, In : Gastrointestinal endoscopy. 89, 4, p. 889-889.e5

Research output: Contribution to journalComment/debate

Continuing Medical Education

Continuing Medical Education Exam: January 2019

Ravi, K., Ross, W., Sahakian, A., Weston, B., Iyer, P. G., Rastogi, A. & Wallace, M. B., Jan 1 2019, In : Gastrointestinal Endoscopy. 89, 1, p. 188-188.e5

Research output: Contribution to journalComment/debate

Continuing Medical Education

Continuing Medical Education Exam: February 2019

Ravi, K., Ross, W., Sahakian, A., Weston, B., Iyer, P. G., Rastogi, A. & Wallace, M. B., Feb 1 2019, In : Gastrointestinal Endoscopy. 89, 2, p. 383-383.e5

Research output: Contribution to journalComment/debate

Continuing Medical Education

Continuing Medical Education Exam: July 2019

Ravi, K., Ross, W., Sahakian, A., Weston, B., Iyer, P. G., Rastogi, A. & Wallace, M. B., Jul 1 2019, In : Gastrointestinal endoscopy. 90, 1, p. 150-150.e5

Research output: Contribution to journalComment/debate

Continuing Medical Education
3 Citations (Scopus)

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

Barrett Esophagus
Gastroesophageal Reflux
Endoscopy
Costs and Cost Analysis
Quality-Adjusted Life Years

Novel Screening Tests for Barrett’s Esophagus

Codipilly, D. C. & Iyer, P. G., Sep 1 2019, In : Current gastroenterology reports. 21, 9, 42.

Research output: Contribution to journalReview article

Barrett Esophagus
Adenocarcinoma
Volatile Organic Compounds
Microbiota
MicroRNAs
1 Citation (Scopus)
Barrett Esophagus
Metaplasia
Meta-Analysis
Recurrence
Confidence Intervals

Response:

Codipilly, D. C., Qin, Y., Dawsey, S. M., Kisiel, J. B., Topazian, M., Ahlquist, D. & Iyer, P. G., Feb 1 2019, In : Gastrointestinal Endoscopy. 89, 2, 1 p.

Research output: Contribution to journalLetter

What Constitutes Optimal Management of T1N0 Esophageal Adenocarcinoma?

Ramay, F. H., Vareedayah, A. A., Visrodia, K., Iyer, P. G., Wang, K. K. N., Eluri, S., Shaheen, N. J., Reddy, R., Martin, L. W., Greenwald, B. D. & Edwards, M. A., Jan 1 2019, (Accepted/In press) In : Annals of Surgical Oncology.

Research output: Contribution to journalArticle

Adenocarcinoma
Esophagectomy
Therapeutics
Barrett Esophagus
Survival
Young Adult
Adenocarcinoma
Survival
Neoplasms
Age Groups
2018

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
Breast Neoplasms
Adenocarcinoma
Esophageal Neoplasms
Pedigree
3 Citations (Scopus)

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

Digestive System Endoscopy
Barrett Esophagus
Patient Preference
Endoscopy
Telephone

Continuing Medical Education Exam: March 2018

Buxbaum, J., Ravi, K., Ross, W., Weston, B., Iyer, P. G., Rastogi, A. & Wallace, M. B., Mar 1 2018, In : Gastrointestinal Endoscopy. 87, 3, p. 688-694.e2

Research output: Contribution to journalComment/debate

Continuing Medical Education

Continuing Medical Education Exam: November 2018

Ravi, K., Ross, W., Sahakian, A., Weston, B., Iyer, P. G., Rastogi, A. & Wallace, M. B., Nov 1 2018, In : Gastrointestinal Endoscopy. 88, 5, p. 868-868.e5

Research output: Contribution to journalComment/debate

Continuing Medical Education

Continuing Medical Education Exam: December 2018

Ravi, K., Ross, W., Sahakian, A., Weston, B., Iyer, P. G., Rastogi, A. & Wallace, M. B., Dec 1 2018, In : Gastrointestinal Endoscopy. 88, 6, p. 956-956.e5

Research output: Contribution to journalComment/debate

Continuing Medical Education

Continuing Medical Education Exam: October 2018

Ravi, K., Ross, W., Sahakian, A., Weston, B., Iyer, P. G., Rastogi, A. & Wallace, M. B., Oct 1 2018, In : Gastrointestinal Endoscopy. 88, 4, p. 745-745.e5

Research output: Contribution to journalComment/debate

Continuing Medical Education

Continuing Medical Education Exam: July 2018

Ravi, K., Ross, W., Sahakian, A., Weston, B., Iyer, P. G., Rastogi, A. & Wallace, M. B., Jul 1 2018, In : Gastrointestinal Endoscopy. 88, 1, p. 159-159.e5

Research output: Contribution to journalComment/debate

Continuing Medical Education

Continuing Medical Education Exam: February 2018

Buxbaum, J., Ravi, K., Ross, W., Weston, B., Iyer, P. G., Rastogi, A. & Wallace, M. B., Feb 1 2018, In : Gastrointestinal Endoscopy. 87, 2, p. 573-573.e5

Research output: Contribution to journalComment/debate

Continuing Medical Education

Continuing Medical Education Exam: September 2018

Ravi, K., Ross, W., Sahakian, A., Weston, B., Iyer, P. G., Rastogi, A. & Wallace, M. B., Sep 1 2018, In : Gastrointestinal Endoscopy. 88, 3, p. 542-542.e5

Research output: Contribution to journalComment/debate

Continuing Medical Education

Continuing Medical Education Exam: August 2018

Ravi, K., Ross, W., Sahakian, A., Weston, B., Iyer, P. G., Rastogi, A. & Wallace, M. B., Aug 1 2018, In : Gastrointestinal Endoscopy. 88, 2, p. 397-397.e5

Research output: Contribution to journalComment/debate

Continuing Medical Education

Continuing Medical Education Exam: January 2018

Buxbaum, J., Ravi, K., Ross, W., Weston, B., Iyer, P. G., Rastogi, A. & Wallace, M. B., Jan 1 2018, In : Gastrointestinal Endoscopy. 87, 1, p. 272-272.e5

Research output: Contribution to journalComment/debate

Continuing Medical Education

Continuing Medical Education Exam: May 2018

Ravi, K., Ross, W., Sahakian, A., Weston, B., Iyer, P. G., Rastogi, A. & Wallace, M. B., May 1 2018, In : Gastrointestinal Endoscopy. 87, 5, p. 1338-1338.e5

Research output: Contribution to journalComment/debate

Continuing Medical Education

Continuing Medical Education Exam: June 2018

Ravi, K., Ross, W., Sahakian, A., Weston, B., Iyer, P. G., Rastogi, A. & Wallace, M. B., Jun 1 2018, In : Gastrointestinal Endoscopy. 87, 6, p. 1565-1565.e5

Research output: Contribution to journalComment/debate

Continuing Medical Education

Continuing Medical Education Exam: April 2018

Buxbaum, J., Ravi, K., Ross, W., Weston, B., Iyer, P. G., Rastogi, A. & Wallace, M. B., Apr 1 2018, In : Gastrointestinal Endoscopy. 87, 4, p. 1121-1121.e5

Research output: Contribution to journalComment/debate

Continuing Medical Education
6 Citations (Scopus)

Cryotherapy for persistent Barrett's esophagus after radiofrequency ablation: a systematic review and meta-analysis

Visrodia, K., Zakko, L., Singh, S., Leggett, C., Iyer, P. G. & Wang, K. K. N., Jun 1 2018, In : Gastrointestinal Endoscopy. 87, 6, p. 1396-1404.e1

Research output: Contribution to journalReview article

Cryotherapy
Barrett Esophagus
Meta-Analysis
Metaplasia
Confidence Intervals
16 Citations (Scopus)

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

Stomach and Oesophageal Cancer Study (SOCS) consortium, Apr 1 2018, In : Gastroenterology. 154, 5, p. 1273-1281.e3

Research output: Contribution to journalArticle

Epidemiologic Factors
Barrett Esophagus
Adenocarcinoma
Area Under Curve
Life Style
Barrett Esophagus
Cost-Benefit Analysis
Adenocarcinoma
Therapeutics
Patient Preference
11 Citations (Scopus)

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

Barrett Esophagus
Meta-Analysis
Odds Ratio
Smoking
Obesity
4 Citations (Scopus)

Higher Rate of Barrett’s Detection in the First Year After Successful Endoscopic Therapy: Meta-analysis

Sawas, T., Iyer, P. G., Alsawas, M., Cotton, C. C., Leggett, C., Murad, M. H., Wang, K. K. N., Shaheen, N. J. & Katzka, D. A., Jun 14 2018, (Accepted/In press) In : American Journal of Gastroenterology. p. 1-13 13 p.

Research output: Contribution to journalArticle

Metaplasia
Meta-Analysis
Barrett Esophagus
Incidence
Adenocarcinoma
13 Citations (Scopus)

Highly Discriminant Methylated DNA Markers for the Non-endoscopic Detection of Barrett’s Esophagus

Iyer, P. G., Taylor, W. R., Johnson, M. L., Lansing, R. L., Maixner, K. A., Yab, T. C., Simonson, J. A., Devens, M. E., Slettedahl, S. W., Mahoney, D. W., Berger, C. K., Foote, P. H., Smyrk, T. C., Wang, K. K. N., Wolfsen, H. C. & Ahlquist, D. A., Jun 12 2018, (Accepted/In press) In : American Journal of Gastroenterology. p. 1-11 11 p.

Research output: Contribution to journalArticle

Barrett Esophagus
Genetic Markers
Porifera
Capsules
ROC Curve
6 Citations (Scopus)

Identification of Prognostic Phenotypes of Esophageal Adenocarcinoma in 2 Independent Cohorts

OCCAMS Consortium, Dec 1 2018, In : Gastroenterology. 155, 6, p. 1720-1728.e4

Research output: Contribution to journalArticle

Barrett Esophagus
Metaplasia
Adenocarcinoma
Phenotype
Neoplasms
19 Citations (Scopus)

Identifying DNA methylation biomarkers for non-endoscopic detection of Barrett’s esophagus

Moinova, H. R., LaFramboise, T., Lutterbaugh, J. D., Chandar, A. K., Dumot, J., Faulx, A., Brock, W., De La Cruz Cabrera, O., Guda, K., Barnholtz-Sloan, J. S., Iyer, P. G., Canto, M. I., Wang, J. S., Shaheen, N. J., Thota, P. N., Willis, J. E., Chak, A. & Markowitz, S. D., Jan 17 2018, In : Science Translational Medicine. 10, 424, Y.

Research output: Contribution to journalArticle

Barrett Esophagus
DNA Methylation
Biomarkers
Equipment and Supplies
Methylation
1 Citation (Scopus)

Interactions Between Genetic Variants and Environmental Factors Affect Risk of Esophageal Adenocarcinoma and Barrett's Esophagus

Stomach and Oesophageal Cancer Study (SOCS) consortium, Oct 1 2018, In : Clinical Gastroenterology and Hepatology. 16, 10, p. 1598-1606.e4

Research output: Contribution to journalArticle

Barrett Esophagus
Smoking
Gastroesophageal Reflux
Adenocarcinoma
Single Nucleotide Polymorphism

Obesity and GERD impair esophageal epithelial permeability through 2 distinct mechanisms

Blevins, C. H., Dierkhising, R. A., Geno, D. M., Johnson, M. L., Vela, M. F., Ravi, K., Iyer, P. G. & Katzka, D. A., Oct 1 2018, In : Neurogastroenterology and Motility. 30, 10, e13403.

Research output: Contribution to journalArticle

Gastroesophageal Reflux
Electric Impedance
Permeability
Obesity
Acids
1 Citation (Scopus)
Barrett Esophagus
Lasers
Endoscopic Mucosal Resection
Endoscopy
Neoplasms

Point–Counterpoint: Screening and Surveillance for Barrett’s Esophagus, Is It Worthwhile?

Otaki, F. & Iyer, P. G., Aug 1 2018, In : Digestive Diseases and Sciences. 63, 8, p. 2081-2093 13 p.

Research output: Contribution to journalReview article

Barrett Esophagus
Adenocarcinoma
Health Services Needs and Demand
Survival
Incidence

Response to Kosmidou et al.

Iyer, P. G. & Ahlquist, D. A., Jan 1 2018, (Accepted/In press) In : American Journal of Gastroenterology.

Research output: Contribution to journalArticle

9 Citations (Scopus)

Screening for esophageal squamous cell carcinoma: recent advances

Codipilly, D. C., Qin, Y., Dawsey, S. M., Kisiel, J. B., Topazian, M., Ahlquist, D. & Iyer, P. G., Jan 1 2018, (Accepted/In press) In : Gastrointestinal Endoscopy.

Research output: Contribution to journalArticle

Esophageal Squamous Cell Carcinoma
3 Citations (Scopus)

The African Esophageal cancer Consortium: A call to action

Van Loon, K., Mwachiro, M. M., Abnet, C. C., Akoko, L., Assefa, M., Burgert, S. L., Chasimpha, S., Dzamalala, C., Fleischer, D. E., Gopal, S., Iyer, P. G., Kaimila, B., Kayamba, V., Kelly, P., Leon, M. E., Mathew, C. G., Menya, D., Middleton, D., Mlombe, Y., Mmbaga, B. T. & 13 others, Mmbaga, E., Mulima, G., Murphy, G., Mushi, B., Mwanga, A., Mwasamwaja, A., Parker, M. I., Pritchett, N., Schüz, J., Topazian, M., White, R. E., McCormack, V. & Dawsey, S. M., Mar 1 2018, In : Journal of global oncology. 2018, 4

Research output: Contribution to journalArticle

Esophageal Neoplasms
Incidence
Capacity Building
Eastern Africa
Ethiopia
11 Citations (Scopus)

The Effect of Endoscopic Surveillance in Patients With Barrett's Esophagus: A Systematic Review and Meta-analysis

Codipilly, D. C., Chandar, A. K., Singh, S., Wani, S., Shaheen, N. J., Inadomi, J. M., Chak, A. & Iyer, P. G., Jun 1 2018, In : Gastroenterology. 154, 8, p. 2068-2086.e5

Research output: Contribution to journalArticle

Barrett Esophagus
Meta-Analysis
Adenocarcinoma
Mortality
Survival
2 Citations (Scopus)

Timeline and location of recurrence following successful ablation in Barrett's oesophagus: An international multicentre study

Sami, S. S., Ravindran, A., Kahn, A., Snyder, D., Santiago, J., Ortiz-Fernandez-Sordo, J., Tan, W. K., Dierkhising, R. A., Crook, J., Heckman, M. G., Johnson, M. L., Lansing, R., Ragunath, K., Di Pietro, M., Wolfsen, H., Ramirez, F. C., Fleischer, D., Wang, K. K. N., Leggett, C., Katzka, D. A. & 1 others, Iyer, P. G., Jan 1 2018, (Accepted/In press) In : Gut.

Research output: Contribution to journalArticle

Barrett Esophagus
Multicenter Studies
Metaplasia
Recurrence
Esophagus
2017
13 Citations (Scopus)

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

Esophageal Stenosis
Pathologic Constriction
Steroids
Polyglycolic Acid
Fibrin Tissue Adhesive