• 4135 Citations
  • 35 Scopus h-Index
20002019

Research output per year

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Research Output

2019

A phase III, multicenter, prospective, single-blinded, noninferiority, randomized controlled trial on the performance of a novel esophageal stent with an antireflux valve (with video)

Dua, K. S., DeWitt, J. M., Kessler, W. R., Diehl, D. L., Draganov, P. V., Wagh, M. S., Kahaleh, M., Wong Kee Song, L. M., Khara, H. S., Khan, A. H., Aburajab, M. M., Ballard, D., Forsmark, C. E., Edmundowicz, S. A., Brauer, B. C., Tyberg, A., Buttar, N. S. & Adler, D. G., Jul 2019, In : Gastrointestinal endoscopy. 90, 1, p. 64-74.e3

Research output: Contribution to journalArticle

1 Scopus citations

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., 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

Cyclooxygenase-2 and Cytosolic Phospholipase A2 Are Overexpressed in Mucinous Pancreatic Cysts

Mensah, E. T., Smyrk, T. C., Zhang, L., Bick, B., Wood-Wentz, C. M., Buttar, N. S., Chari, S. T., Gleeson, F. C., Kendrick, M., Levy, M., Pearson, R., Petersen, B. T., Vege, S. S., Enders, F. T., Limburg, P. J. & Topazian, M., Apr 1 2019, In : Clinical and translational gastroenterology. 10, 4, p. e00028

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

Efficacy of difluoromethylornithine and aspirin for treatment of adenomas and aberrant crypt foci in patients with prior advanced colorectal neoplasms

Sinicrope, F. A., Velamala, P. R., Wong Kee Song, L. M., Viggiano, T. R., Bruining, D. H., Rajan, E., Gostout, C., Kraichely, R. E., Buttar, N. S., Schroeder, K. W., Kisiel, J. B., Larson, M. V., Sweetser, S. R., Sedlack, R. R., Sinicrope, S. N., Richmond, E., Umar, A., Della'Zanna, G., Noaeill, J. S., Meyers, J. P. & 1 others, Foster, N. R., Jan 1 2019, In : Cancer Prevention Research. 12, 11, p. 821-830 10 p.

Research output: Contribution to journalArticle

1 Scopus citations

Volvulus of the ileal pouch-anal anastomosis: A meta-narrative systematic review of frequency, diagnosis, and treatment outcomes

Jawoosh, M., Haffar, S., Deepak, P., Meyers, A., Lightner, A., Larson, D. W., Raffals, L. H., Murad, M. H., Buttar, N. & Bazerbachi, F., Dec 1 2019, In : Gastroenterology Report. 7, 6, p. 403-410 8 p.

Research output: Contribution to journalArticle

Open Access
2 Scopus citations
2018

ASGE guideline for infection control during GI endoscopy

ASGE Quality Assurance in Endoscopy Committee, May 1 2018, In : Gastrointestinal Endoscopy. 87, 5, p. 1167-1179 13 p.

Research output: Contribution to journalArticle

35 Scopus citations

Credentialing for Endoscopic Practice: The Mayo Clinic Model

Kane, S. V., Chandrasekhara, V., Sedlack, R. E. & Buttar, N. S., Sep 1 2018, In : Clinical Gastroenterology and Hepatology. 16, 9, p. 1370-1373.e1

Research output: Contribution to journalArticle

Diagnosis, assessment, and management of surgical complications following esophagectomy

Grimminger, P. P., Goense, L., Gockel, I., Bergeat, D., Bertheuil, N., Chandramohan, S. M., Chen, K. N., Chon, S. H., Denis, C., Goh, K. L., Gronnier, C., Liu, J. F., Meunier, B., Nafteux, P., Pirchi, E. D., Schiesser, M., Thieme, R., Wu, A., Wu, P. C., Buttar, N. S. & 1 others, Chang, A. C., Jan 1 2018, (Accepted/In press) In : Annals of the New York Academy of Sciences.

Research output: Contribution to journalArticle

11 Scopus citations
1 Scopus citations

Incidence of Gastric-to-Pulmonary Aspiration in Patients Undergoing Elective Upper Gastrointestinal Endoscopy

Bohman, J. K., Jacob, A. K., Nelsen, K. A., Diedrich, D. A., Smischney, N., Olatoye, O., Molitor, R., Oblizajek, N. R., Hanson, A. C. & Buttar, N. S., Jul 2018, In : Clinical Gastroenterology and Hepatology. 16, 7, p. 1163-1164 2 p.

Research output: Contribution to journalShort survey

Outcomes of endoscopic intervention for overt GI bleeding in severe thrombocytopenia

Ramos, G. P., Binder, M., Hampel, P., Braga Neto, M. B., Sunjaya, D., Al Bawardy, B., Abu Dayyeh, B. K., Buttar, N. S., Bruining, D. H., Prabhu-Coelho, N., Larson, M. V., Wong Kee Song, L. M. & Rajan, E., Jul 2018, In : Gastrointestinal endoscopy. 88, 1, p. 55-61 7 p.

Research output: Contribution to journalArticle

4 Scopus citations

Reply

Brandler, J., Meyer, A. J. & Buttar, N. S., Jun 1 2018, In : Clinical Gastroenterology and Hepatology. 16, 6, p. 986-987 2 p.

Research output: Contribution to journalLetter

Step-by-step use of hemostatic powder: treatment of a bleeding GI stromal tumor

Storm, A. C., Sawas, T., Higgins, T., Bruining, D. H., Leggett, C., Buttar, N. S., Wong Kee Song, L. M. & Abu Dayyeh, B. K., Jan 1 2018, (Accepted/In press) In : VideoGIE.

Research output: Contribution to journalArticle

4 Scopus citations
2017

Combined AURKA and H3K9 methyltransferase targeting inhibits cell growth by inducing mitotic catastrophe

Mathison, A., Salmonson, A., Missfeldt, M., Bintz, J., Williams, M., Kossak, S., Nair, A., De Assuncao, T. M., Christensen, T., Buttar, N. S., Iovanna, J., Huebert, R. C. & Lomberk, G., Aug 1 2017, In : Molecular Cancer Research. 15, 8, p. 984-997 14 p.

Research output: Contribution to journalArticle

7 Scopus citations

Efficacy of Over-the-Scope Clips in Management of High-Risk Gastrointestinal Bleeding

Brandler, J., Baruah, A., Zeb, M., Mehfooz, A., Pophali, P., Wong Kee Song, L., AbuDayyeh, B., Gostout, C., Mara, K., Dierkhising, R. & Buttar, N. S., Jan 1 2017, (Accepted/In press) In : Clinical Gastroenterology and Hepatology.

Research output: Contribution to journalArticle

15 Scopus citations

Feasibility assessment of microwave ablation for treating esophageal varices

Sebek, J., Curto, S., Eaton-Evans, J., Bouchier-Hayes, J., Ruvio, G., Ganta, C., Beard, W., Buttar, N. S., Song, L. W. K. & Prakash, P., Sep 1 2017, In : Journal of Medical Devices, Transactions of the ASME. 11, 3, 031013.

Research output: Contribution to journalArticle

2 Scopus citations

Multisociety guideline on reprocessing flexible GI endoscopes: 2016 update

Reprocessing Guideline Task Force, Feb 1 2017, In : Gastrointestinal Endoscopy. 85, 2, p. 282-294.e1

Research output: Contribution to journalArticle

69 Scopus citations

Persistence of Nondysplastic Barrett's Esophagus Is Not Protective Against Progression to Adenocarcinoma

Krishnamoorthi, R., Ramos, G. P., Crews, N., Johnson, M., Dierkhising, R., Shi, Q. D., Ginos, B., Wang, K. K. N., Katzka, D. A., Buttar, N. S. & Iyer, P. G., Jun 1 2017, In : Clinical Gastroenterology and Hepatology. 15, 6, p. 950-952 3 p.

Research output: Contribution to journalShort survey

6 Scopus citations

Predictors of Progression in Barrett’s Esophagus with Low-Grade Dysplasia: Results from a Multicenter Prospective BE Registry

Krishnamoorthi, R., Lewis, J. T., Krishna, M., Crews, N. J., Johnson, M. L., Dierkhising, R. A., Ginos, B. F., Wang, K. K. N., Wolfsen, H. C., Fleischer, D. E., Ramirez, F. C., Buttar, N. S., Katzka, D. A. & Iyer, P. G., Apr 4 2017, (Accepted/In press) In : American Journal of Gastroenterology.

Research output: Contribution to journalArticle

8 Scopus citations

The Impact on Endoscopic Resource Utilization after A Targeted Intervention for Cost-Minimization of EGD and Colonoscopy

Kane, S., Buttar, N. S., Gleeson, F., Larson, M., Song, L. W. K. & Yates, R., Jun 1 2017, In : American Journal of Gastroenterology. 112, 6, p. 968 1 p.

Research output: Contribution to journalLetter

1 Scopus citations
2016

Colorenal Fistula Repair Using a Combined Percutaneous CT-Guided and Endoscopic Approach

Schmit, G. D., Houston Thompson, R. & Buttar, N. S., Jun 1 2016, In : Journal of Vascular and Interventional Radiology. 27, 6, p. 896-897 2 p.

Research output: Contribution to journalComment/debate

2 Scopus citations

Endoluminal stenting via the suture-assisted flange engagement technique

Tabibian, J. H., Leggett, C., Abu Dayyeh, B. K. & Buttar, N. S., Jan 1 2016, In : Gastrointestinal Endoscopy. 83, 1, p. 249-250 2 p.

Research output: Contribution to journalArticle

1 Scopus citations

Esophagorespiratory Fistulas: Survival and Outcomes of Treatment

Lenz, C. J., Bick, B. L., Katzka, D. A., Nichols, F. C., Depew, Z. S., Wong Kee Song, L. M., Baron, T. H., Buttar, N. S., Maldonado, F., Enders, F. T., Harmsen, W. S., Dierkhising, R. A. & Topazian, M., Nov 7 2016, (Accepted/In press) In : Journal of Clinical Gastroenterology.

Research output: Contribution to journalArticle

5 Scopus citations

Outcomes and Predictors of Rebleeding After 2-Octyl Cyanoacrylate Injection in Acute Gastric Variceal Hemorrhage

Al-Bawardy, B., Gorospe, E. C., Saleem, A., Buttar, N. S. & Wong Kee Song, L. M., Feb 17 2016, (Accepted/In press) In : Journal of Clinical Gastroenterology.

Research output: Contribution to journalArticle

5 Scopus citations
2015

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

Chemoprevention in Barrett's Esophagus: Current Status

Zeb, M. H., Baruah, A., Kossak, S. K. & Buttar, N. S., Jun 1 2015, In : Gastroenterology Clinics of North America. 44, 2, p. 391-413 23 p.

Research output: Contribution to journalArticle

5 Scopus citations

Chemoprevention in Barrett's oesophagus

Baruah, A. & Buttar, N. S., Feb 1 2015, In : Best Practice and Research: Clinical Gastroenterology. 29, 1, p. 151-165 15 p.

Research output: Contribution to journalReview article

4 Scopus citations

Endoscopic management of fistulas, perforations, and leaks

Baruah, A., Kee Song, L. M. W. & Buttar, N. S., Oct 1 2015, In : Techniques in Gastrointestinal Endoscopy. 17, 4, p. 178-188 11 p.

Research output: Contribution to journalArticle

1 Scopus citations

Metformin does not reduce markers of cell proliferation in esophageal tissues of patients with Barrett's Esophagus

Chak, A., Buttar, N. S., Foster, N. R., Seisler, D. K., Marcon, N. E., Schoen, R., Cruz-Correa, M. R., Falk, G. W., Sharma, P., Hur, C., Katzka, D. A., Rodriguez, L. M., Richmond, E., Sharma, A. N., Smyrk, T. C., Mandrekar, S. J. & Limburg, P. J., Apr 1 2015, In : Clinical Gastroenterology and Hepatology. 13, 4, p. 665-672.e4

Research output: Contribution to journalArticle

26 Scopus citations

Pancreatic juice prostaglandin E2 concentrations are elevated in chronic pancreatitis and improve detection of early disease

Dayyeh, B. K. A., Conwell, D., Buttar, N. S., Kadilaya, V., Hart, P. A., Baumann, N. A., Bick, B. L., Chari, S. T., Chowdhary, S., Clain, J. E., Gleeson, F. C., Lee, L. S., Levy, M. J., Pearson, R. K., Petersen, B. T., Rajan, E., Steen, H., Suleiman, S., Banks, P. A., Vege, S. S. & 1 others, Topazian, M., Jan 1 2015, In : Clinical and Translational Gastroenterology. 6, 1, e72.

Research output: Contribution to journalArticle

10 Scopus citations

Percutaneous-assisted transprosthetic endoscopic therapy for transmural closure of a large postoperative leak

Dayyeh, B. K. A., Baron, T. H. & Buttar, N., Feb 1 2015, In : Gastrointestinal endoscopy. 81, 2, p. 455-456 2 p.

Research output: Contribution to journalArticle

Phenotypic characterization of mice carrying homozygous deletion of KLF11, a gene in which mutations cause human neonatal and MODY VII diabetes

Mathison, A., Escande, C., Calvo, E., Seo, S., White, T., Salmonson, A., Faubion, W. A., Buttar, N. S., Iovanna, J., Lomberk, G., Chini, E. N. & Urrutia, R., Oct 1 2015, In : Endocrinology. 156, 10, p. 3581-3595 15 p.

Research output: Contribution to journalArticle

4 Scopus citations

Quality Indicators for the Management of Barrett's Esophagus, Dysplasia, and Esophageal Adenocarcinoma: International Consensus Recommendations from the American Gastroenterological Association Symposium

Sharma, P., Katzka, D. A., Gupta, N., Ajani, J., Buttar, N., Chak, A., Corley, D., El-Serag, H., Falk, G. W., Fitzgerald, R., Goldblum, J., Gress, F., Ilson, D. H., Inadomi, J. M., Kuipers, E. J., Lynch, J. P., McKeon, F., Metz, D., Pasricha, P. J., Pech, O. & 9 others, Peek, R., Peters, J. H., Repici, A., Seewald, S., Shaheen, N. J., Souza, R. F., Spechler, S. J., Vennalaganti, P. & Wang, K., Nov 2015, In : Gastroenterology. 149, 6, p. 1599-1606 8 p.

Research output: Contribution to journalArticle

42 Scopus citations

Telescoping caps with over-the-scope clip for full-thickness resection of GI lesions (Xtender technique)

Dayyeh, B. K. A., Song, L. W. K., Rajan, E. & Buttar, N., Apr 1 2015, In : Gastrointestinal Endoscopy. 81, 4, p. 1005 1 p.

Research output: Contribution to journalArticle

2 Scopus citations
2014

Active matrix metalloproteases are expressed early on and are high during the Barrett's esophagus malignancy sequence

Davelaar, A. L., Straub, D., Buttar, N. S., Fockens, P. & Krishnadath, K. K., Mar 1 2014, In : Scandinavian Journal of Gastroenterology. 50, 3, p. 321-332 12 p.

Research output: Contribution to journalArticle

4 Scopus citations

A pSMAD/CDX2 complex is essential for the intestinalization of epithelial metaplasia

Mari, L., Milano, F., Parikh, K., Straub, D., Everts, V., Hoeben, K. K., Fockens, P., Buttar, N. S. & Krishnadath, K. K., May 22 2014, In : Cell reports. 7, 4, p. 1197-1210 14 p.

Research output: Contribution to journalArticle

34 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

Over-the-scope clip closure of pancreaticocolonic fistula caused by severe necrotizing pancreatitis

Gorospe, E. C., Desai, S., Al-Bawardy, B., Baron, T. H., Buttar, N. S. & Wong Kee Song, L. M., May 2014, In : Gastrointestinal endoscopy. 79, 5, 1 p.

Research output: Contribution to journalArticle

2 Scopus citations

Strategy for prevention of cancers of the esophagus

Akiyama, J., Alexandre, L., Baruah, A., Buttar, N., Chandra, R., Clark, A. B., Hart, A. R., Hawk, E., Kandioler, D., Kappel, S., Krishnadath, S. K., Sharma, A., Singh, I., Straub, D., Triadafilopoulos, G., Umar, A. & Wolf, B., Sep 1 2014, In : Annals of the New York Academy of Sciences. 1325, 1, p. 108-126 19 p.

Research output: Contribution to journalArticle

10 Scopus citations

Translational research on Barrett's esophagus

Baruah, A., Buttar, N. S., Chandra, R., Chen, X., Clemons, N. J., Compare, D., El-Rifai, W., Gu, J., Houchen, C. W., Koh, S. Y. U., Li, W., Nardone, G., Phillips, W. A., Sharma, A., Singh, I., Upton, M. P., Vega, K. J. & Wu, X., Sep 1 2014, In : Annals of the New York Academy of Sciences. 1325, p. 170-186 17 p.

Research output: Contribution to journalArticle

4 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
177 Scopus citations

Discovery and Validation of Barrett's Esophagus MicroRNA Transcriptome by Next Generation Sequencing

Bansal, A., Lee, I. H., Hong, X., Mathur, S. C., Tawfik, O., Rastogi, A., Buttar, N., Visvanathan, M., Sharma, P. & Christenson, L. K., Jan 29 2013, In : PloS one. 8, 1, e54240.

Research output: Contribution to journalArticle

15 Scopus citations

Feasibility of NOTES omental plug repair of perforated peptic ulcers: Results from a clinical pilot trial

Bingener, J., Loomis, E. A., Gostout, C. J., Zielinski, M. D., Buttar, N. S., Wong Kee Song, L. M., Baron, T. H., Ghahfarokhi, L. S. & Rajan, E., Jun 2013, In : Surgical endoscopy. 27, 6, p. 2201-2208 8 p.

Research output: Contribution to journalArticle

14 Scopus citations

Inflammation, obesity, barrett's esophagus, and esophageal adenocarcinoma

Sharma, A., Elebiary, A., Chowdhury, S. & Buttar, N. S., Jan 1 2013, Obesity, Inflammation and Cancer. Springer New York, p. 133-145 13 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Role for Krüppel-Like Transcription Factor 11 in Mesenchymal Cell Function and Fibrosis

Mathison, A., Grzenda, A., Lomberk, G., Velez, G., Buttar, N., Tietz, P., Hendrickson, H., Liebl, A., Xiong, Y. Y., Gores, G., Fernandez-Zapico, M., LaRusso, N. F., Faubion, W., Shah, V. H. & Urrutia, R., Sep 16 2013, In : PloS one. 8, 9, e75311.

Research output: Contribution to journalArticle

18 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

Stent-associated esophagorespiratory fistulas: Incidence and risk factors

Bick, B. L., Wong Kee Song, L. M., Buttar, N. S., Baron, T. H., Nichols, F. C., Maldonado, F., Katzka, D. A., Enders, F. T. & Topazian, M. D., Feb 1 2013, In : Gastrointestinal endoscopy. 77, 2, p. 181-189 9 p.

Research output: Contribution to journalArticle

34 Scopus citations
2012

A combination of esomeprazole and aspirin reduces tissue concentrations of prostaglandin E2 in patients with Barrett's esophagus

Falk, G. W., Buttar, N. S., Foster, N. R., Ziegler, K. L. A., Demars, C. J., Romero, Y., Marcon, N. E., Schnell, T., Corley, D. A., Sharma, P., Cruz-Correa, M. R., Hur, C., Fleischer, D. E., Chak, A., Devault, K. R., Weinberg, D. S., Della'Zanna, G., Richmond, E., Smyrk, T. C., Mandrekar, S. J. & 1 others, Limburg, P. J., Oct 2012, In : Gastroenterology. 143, 4, p. 917-926.e1

Research output: Contribution to journalArticle

36 Scopus citations