Publications

  1. Akiki K, Mahmoud T, Alqaisieh MH, Sayegh LN, Lescalleet KE, Abu Dayyeh BK, Wong Kee Song LM, Larson MV, Bruining DH, Coelho-Prabhu N, Buttar NS, Sedlack RE, Chandrasekhara V, Leggett CL, Law RJ, Rajan E, Gleeson FC, Alexander JA, Storm AC. A novel blood-sensing capsule for rapid detection of upper GI bleeding: a prospective clinical trial. Gastrointest Endosc. 2024 May; 99 (5):712-720 Epub 2023 Dec 06
    View PubMed
  2. Goyal M, Bains A, Singh Y, Deepali F, Singh A, Sood S, Buttar NS. Endoscopic management of surgical complications. Best Pract Res Clin Gastroenterol. 2024 Mar; 69:101898 Epub 2024 Mar 06
    View PubMed
  3. Akhras A, Guerrero Vinsard D, Singh A, Deepali F, Bains A, Goyal M, Buttar NS. The final plug: novel use of vascular plug for management of bronchoesophageal fistula. VideoGIE. 2024 Feb; 9 (2):69-71 Epub 2023 Oct 23
    View PubMed
  4. Ebner DW, Burger KN, Mahoney DW, Broderick BT, Eckmann JD, Devens ME, Lowrie KL, League JB, Bering J, Kahn A, Rodriguez EA, Prichard DO, Wallace MB, Kane SV, Leighton JA, Buttar NS, Rutten LJF, Gurudu SR, Kisiel JB. Neoplasia Diagnosis After Multi-target Stool DNA Is Enhanced Among Lowest Baseline Detectors. Dig Dis Sci. 2023 Sep; 68 (9):3721-3731 Epub 2023 July 24
    View PubMed
  5. Mahmoud T, Beran A, Bazerbachi F, Matar R, Jaruvongvanich V, Razzak FA, Abboud DM, Vargas EJ, Martin JA, Kellogg TA, Ghanem OM, Petersen BT, Levy MJ, Law RJ, Chandrasekhara V, Storm AC, Wong Kee Song LM, Buttar NS, Abu Dayyeh BK. Lumen-apposing metal stents for the treatment of benign gastrointestinal tract strictures: a single-center experience and proposed treatment algorithm. Surg Endosc. 2023 Mar; 37 (3):2133-2142 Epub 2022 Oct 31
    View PubMed
  6. Samadder NJ, Foster N, McMurray RP, Burke CA, Stoffel E, Kanth P, Das R, Cruz-Correa M, Vilar E, Mankaney G, Buttar N, Thirumurthi S, Turgeon DK, Sossenheimer M, Westover M, Richmond E, Umar A, Della'Zanna G, Rodriguez LM, Szabo E, Zahrieh D, Limburg PJ. Phase II trial of weekly erlotinib dosing to reduce duodenal polyp burden associated with familial adenomatous polyposis. Gut. 2023 Feb; 72 (2):256-263 Epub 2022 May 30
    View PubMed
  7. Feighery AM, Oblizajek NR, Vogt MNP, Bi D, League J 3rd, Buttar NS, Prichard DO. Retained Food During Esophagogastroduodenoscopy Is a Risk Factor for Gastric-to-Pulmonary Aspiration. Dig Dis Sci. 2023 Jan; 68 (1):164-172 Epub 2022 May 21
    View PubMed
  8. Jaruvongvanich V, Mahmoud T, Abu Dayyeh BK, Chandrasekhara V, Law R, Storm AC, Levy MJ, Vargas EJ, Marya NB, Abboud DM, Ghazi R, Matar R, Rapaka B, Buttar N, Truty MJ, Aerts M, Messaoudi N, Kunda R. Endoscopic ultrasound-guided gastroenterostomy for the management of gastric outlet obstruction: A large comparative study with long-term follow-up. Endosc Int Open. 2023 Jan; 11 (1):E60-E66 Epub 2023 Jan 13
    View PubMed
  9. Colon AR, Kamboj AK, Hagen CE, Rattan P, Coelho-Prabhu N, Buttar NS, Bruining DH, Storm AC, Larson MV, Viggiano TR, Wong Kee Song LM, Wang KK, Iyer PG, Katzka DA, Leggett CL. Acute Esophageal Necrosis: A Retrospective Cohort Study Highlighting the Mayo Clinic Experience. Mayo Clin Proc. 2022 Oct; 97 (10):1849-1860 Epub 2022 June 30
    View PubMed
  10. Westra WM, Straub D, Milano F, Buttar NS, Wang KK, Krishnadath KK. Inhibition of the BMP pathway prevents development of Barrett's-associated adenocarcinoma in a surgical rat model. Dis Esophagus. 2022 May 10; 35 (5)
    View PubMed
  11. Das KK, Hasak S, Elhanafi S, Visrodia KH, Ginsberg GG, Ahmad NA, Hollander T, Lang G, Kushnir VM, Mullady DK, Abu Dayyeh BK, Buttar NS, Wong Kee Song LM, Kochman ML, Chandrasekhara V. Performance and Predictors of Migration of Partially and Fully Covered Esophageal Self-Expanding Metal Stents for Malignant Dysphagia. Clin Gastroenterol Hepatol. 2021 Dec; 19 (12):2656-2663.e2 Epub 2020 Sept 06
    View PubMed
  12. Velapati SR, Schroeder SE, Schroeder DR, Buttar NS, Mohamed Elfadil O, Hurt RT, Mundi MS. Use of Home Enteral Nutrition in Malnourished Post-Bariatric Surgery Patients. JPEN J Parenter Enteral Nutr. 2021 Jul; 45(5):1023-1031. Epub 2020 Sep 07.
    View PubMed
  13. Jaruvongvanich V, Matar R, Storm AC, Beran A, Malandris K, Maselli DB, Vargas EJ, Kellogg TA, Buttar NS, McKenzie TJ, Abu Dayyeh BK. Endoscopic management of refractory leaks and fistulas after bariatric surgery with long-term follow-up. Surg Endosc. 2021 Jun; 35 (6):2715-2723 Epub 2020 June 18
    View PubMed
  14. Bazerbachi F, Dobashi A, Kumar S, Misra S, Buttar NS, Wong Kee Song LM. Efficacy and safety of combined endoscopic cyanoacrylate injection and balloon-occluded retrograde transvenous occlusion (BRTOcc) of gastrorenal shunts in patients with bleeding gastric fundal varices. Gastroenterol Rep (Oxf). 2021 Jun; 9 (3):212-218 Epub 2020 Dec 03
    View PubMed
  15. Sinicrope FA, Viggiano TR, Buttar NS, Song LMWK, Schroeder KW, Kraichely RE, Larson MV, Sedlack RE, Kisiel JB, Gostout CJ, Kalaiger AM, Patai AV, Della'Zanna G, Umar A, Limburg PJ, Meyers JP, Foster NR, Yang CS, Sontag S. Randomized Phase II Trial of Polyphenon E versus Placebo in Patients at High Risk of Recurrent Colonic Neoplasia. Cancer Prev Res (Phila). 2021 May; 14 (5):573-580 Epub 2021 Mar 01
    View PubMed
  16. Hernandez A, Marya NB, Sawas T, Rajan E, Gades NM, Wong Kee Song LM, Abu Dayyeh BK, Buttar N, Storm AC. Erratum: Gastrointestinal defect closure using a novel through-the-scope helix tack and suture device compared to endoscopic clips in a survival porcine model (with video). Endosc Int Open. 2021 Apr; 9 (4):C12 Epub 2022 May 04
    View PubMed
  17. Hernandez A, Marya NB, Sawas T, Rajan E, Gades NM, Wong Kee Song LM, Abu Dayyeh BK, Buttar N, Storm AC. Gastrointestinal defect closure using a novel through-the-scope helix tack and suture device compared to endoscopic clips in a survival porcine model (with video). Endosc Int Open. 2021 Apr; 9 (4):E572-E577 Epub 2021 Apr 12
    View PubMed
  18. Jaruvongvanich V, Chesta F, Baruah A, Oberoi M, Adamo D, Singh PG, Meyer A, Law RJ, Buttar N. Palliative treatment for malignant gastrointestinal obstruction with peritoneal carcinomatosis: enteral stenting versus surgery. Endosc Int Open. 2020 Oct; 8 (10):E1487-E1494 Epub 2020 Oct 07
    View PubMed
  19. Bazerbachi F, Visrodia KH, Mavrogenis G, Wong Kee Song LM, Buttar NS. Extrabiliary applications of fully covered antimigration biliary metal stents. VideoGIE. 2020 Sep; 5 (9):437-441 Epub 2020 June 29
    View PubMed
  20. Qin Y, Wu CW, Taylor WR, Sawas T, Burger KN, Mahoney DW, Sun Z, Yab TC, Lidgard GP, Allawi HT, Buttar NS, Smyrk TC, Iyer PG, Katzka DA, Ahlquist DA, Kisiel JB. Discovery, Validation, and Application of Novel Methylated DNA Markers for Detection of Esophageal Cancer in Plasma. Clin Cancer Res. 2019 Dec 15; 25 (24):7396-7404 Epub 2019 Sept 16
    View PubMed
  21. Jawoosh M, Haffar S, Deepak P, Meyers A, Lightner AL, Larson DW, Raffals LH, Murad MH, Buttar N, Bazerbachi F. Volvulus of the ileal pouch-anal anastomosis: a meta-narrative systematic review of frequency, diagnosis, and treatment outcomes. Gastroenterol Rep (Oxf). 2019 Dec; 7 (6):403-410 Epub 2019 Sept 17
    View PubMed
  22. Sinicrope FA, Velamala PR, Song LMWK, Viggiano TR, Bruining DH, Rajan E, Gostout CJ, Kraichely RE, Buttar NS, Schroeder KW, Kisiel JB, Larson MV, Sweetser SR, Sedlack RR, Sinicrope SN, Richmond E, Umar A, Della'Zanna G, Noaeill JS, Meyers JP, Foster NR. Efficacy of Difluoromethylornithine and Aspirin for Treatment of Adenomas and Aberrant Crypt Foci in Patients with Prior Advanced Colorectal Neoplasms. Cancer Prev Res (Phila). 2019 Nov; 12 (11):821-830 Epub 2019 Sept 04
    View PubMed
  23. Wang XJ, Buttar N, Storm AC. Management of Hemodynamic Collapse After Liver Transplantation From Native Bile Duct Stump Hemorrhage with Gelfoam. ACG Case Rep J. 2019 Oct; 6 (10):e00254 Epub 2019 Oct 17
    View PubMed
  24. Dua KS, DeWitt JM, Kessler WR, Diehl DL, Draganov PV, Wagh MS, Kahaleh M, Wong Kee Song LM, Khara HS, Khan AH, Aburajab MM, Ballard D, Forsmark CE, Edmundowicz SA, Brauer BC, Tyberg A, Buttar NS, Adler DG. 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). Gastrointest Endosc. 2019 Jul; 90(1):64-74.e3. Epub 2019 Jan 23.
    View PubMed
  25. Storm AC, Vargas EJ, Matar R, Wong Kee Song LM, Sawas T, Bazerbachi F, Buttar NS, Topazian MD, Abu Dayyeh BK. Esophageal overtubes provide no benefit to safety or technical success in upper gastrointestinal tract endoscopic suturing. Endosc Int Open. 2019 Jul; 7 (7):E919-E921 Epub 2019 July 11
    View PubMed
  26. Solanky D, Krishnamoorthi R, Crews N, Johnson M, Wang K, Wolfsen H, Fleischer D, Ramirez FC, Katzka D, Buttar N, Iyer PG. Barrett Esophagus Length, Nodularity, and Low-grade Dysplasia are Predictive of Progression to Esophageal Adenocarcinoma. J Clin Gastroenterol. 2019 May/Jun; 53 (5):361-365
    View PubMed
  27. Mensah ET, Smyrk T, Zhang L, Bick B, Wood-Wentz CM, Buttar N, Chari ST, Gleeson FC, Kendrick M, Levy M, Pearson R, Petersen BT, Vege S, Enders F, Limburg P, Topazian M. Cyclooxygenase-2 and Cytosolic Phospholipase A2 Are Overexpressed in Mucinous Pancreatic Cysts. Clin Transl Gastroenterol. 2019 Apr; 10(4):e00028.
    View PubMed
  28. Storm AC, Sawas T, Higgins T, Bruining DH, Leggett CL, Buttar NS, Wong Kee Song LM, Abu Dayyeh BK. Step-by-step use of hemostatic powder: treatment of a bleeding GI stromal tumor. VideoGIE. 2019 Jan; 4 (1):5-6 Epub 2018 Nov 23
    View PubMed
  29. Grimminger PP, Goense L, Gockel I, Bergeat D, Bertheuil N, Chandramohan SM, Chen KN, Chon SH, Denis C, Goh KL, Gronnier C, Liu JF, Meunier B, Nafteux P, Pirchi ED, Schiesser M, Thieme R, Wu A, Wu PC, Buttar N, Chang AC. Diagnosis, assessment, and management of surgical complications following esophagectomy. Ann N Y Acad Sci. 2018 Dec; 1434 (1):254-273 Epub 2018 July 08
    View PubMed
  30. Kane SV, Chandrasekhara V, Sedlack RE, Buttar NS. Credentialing for Endoscopic Practice: The Mayo Clinic Model. Clin Gastroenterol Hepatol. 2018 Sep; 16 (9):1370-1373.e1 Epub 2018 June 18
    View PubMed
  31. Bohman JK, Jacob AK, Nelsen KA, Diedrich DA, Smischney N, Olatoye O, Molitor R, Oblizajek NR, Hanson AC, Buttar NS. Incidence of Gastric-to-Pulmonary Aspiration in Patients Undergoing Elective Upper Gastrointestinal Endoscopy. Clin Gastroenterol Hepatol. 2018 Jul; 16 (7):1163-1164 Epub 2017 Nov 16
    View PubMed
  32. Ramos GP, Binder M, Hampel P, Braga Neto MB, Sunjaya D, Al Bawardy B, Abu Dayyeh BK, Buttar NS, Bruining DH, Coelho-Prabhu N, Prabhu-Coelho N, Larson MV, Wong Kee Song LM, Rajan E. Outcomes of endoscopic intervention for overt GI bleeding in severe thrombocytopenia. Gastrointest Endosc. 2018 Jul; 88 (1):55-61 Epub 2018 Feb 02
    View PubMed
  33. Brandler J, Baruah A, Zeb M, Mehfooz A, Pophali P, Wong Kee Song L, AbuDayyeh B, Gostout C, Mara K, Dierkhising R, Buttar N. Efficacy of Over-the-Scope Clips in Management of High-Risk Gastrointestinal Bleeding. Clin Gastroenterol Hepatol. 2018 May; 16 (5):690-696.e1 Epub 2017 July 26
    View PubMed
  34. Lenz CJ, Bick BL, Katzka D, Nichols FC, Depew ZS, Wong Kee Song LM, Baron TH, Buttar NS, Maldonado F, Enders FT, Harmsen WS, Dierkhising RA, Topazian MD. Esophagorespiratory Fistulas: Survival and Outcomes of Treatment. J Clin Gastroenterol. 2018 Feb; 52 (2):131-136
    View PubMed
  35. Bazerbachi F, Heffley JD, Abu Dayyeh BK, Nieto J, Vargas EJ, Sawas T, Zaghlol R, Buttar NS, Topazian MD, Wong Kee Song LM, Levy M, Keilin S, Cai Q, Willingham FF. Safety and efficacy of coaxial lumen-apposing metal stents in the management of refractory gastrointestinal luminal strictures: a multicenter study. Endosc Int Open. 2017 Sep; 5 (9):E861-E867 Epub 2017 Sept 12
    View PubMed
  36. Mathison A, Salmonson A, Missfeldt M, Bintz J, Williams M, Kossak S, Nair A, de Assuncao TM, Christensen T, Buttar N, Iovanna J, Huebert R, Lomberk G. Combined AURKA and H3K9 Methyltransferase Targeting Inhibits Cell Growth By Inducing Mitotic Catastrophe. Mol Cancer Res. 2017 Aug; 15 (8):984-997 Epub 2017 Apr 25
    View PubMed
  37. Krishnamoorthi R, Lewis JT, Krishna M, Crews NJ, Johnson ML, Dierkhising RA, Ginos BF, Wang KK, Wolfsen HC, Fleischer DE, Ramirez FC, Buttar NS, Katzka DA, Iyer PG. Predictors of Progression in Barrett's Esophagus with Low-Grade Dysplasia: Results from a Multicenter Prospective BE Registry. Am J Gastroenterol. 2017 Jun; 112(6):867-873. Epub 2017 Apr 04.
    View PubMed
  38. Kane S, Buttar N, Gleeson F, Larson M, Song LWK, Yates R. The Impact on Endoscopic Resource Utilization After A Targeted Intervention for Cost-Minimization of EGD and Colonoscopy. Am J Gastroenterol 2017 Jun; 112 (6):968
    View PubMed
  39. Krishnamoorthi R, Ramos GP, Crews N, Johnson M, Dierkhising R, Shi Q, Ginos B, Wang K, Katzka D, Buttar N, Iyer PG. Persistence of Nondysplastic Barrett's Esophagus Is Not Protective Against Progression to Adenocarcinoma. Clin Gastroenterol Hepatol 2017 Jun; 15 (6):950-952 Epub 2017 Feb 24
    View PubMed
  40. Sebek J, Curto S, Eaton-Evans J, Bouchier-Hayes J, Ruvio G, Ganta C, Beard W, Buttar N, Wong Kee Song L, Prakash P. Feasibility assessment of microwave ablation for treating esophageal varices Journal of Medical Devices, Transactions of the ASME. 2017; 11: (3)031013.
  41. Dickinson KJ, Buttar N, Wong Kee Song LM, Gostout CJ, Cassivi SD, Allen MS, Nichols FC, Shen KR, Wigle DA, Blackmon SH. Utility of endoscopic therapy in the management of Boerhaave syndrome. Endosc Int Open. 2016 Nov; 4 (11):E1146-E1150 Epub 2016 Nov 08
    View PubMed
  42. Al-Bawardy B, Gorospe EC, Saleem A, Buttar NS, Wong Kee Song LM. Outcomes and Predictors of Rebleeding After 2-Octyl Cyanoacrylate Injection in Acute Gastric Variceal Hemorrhage. J Clin Gastroenterol. 2016 Jul; 50 (6):458-63
    View PubMed
  43. Schmit GD, Thompson RH, Buttar NS. Colorenal Fistula Repair Using a Combined Percutaneous CT-Guided and Endoscopic Approach. J Vasc Interv Radiol. 2016 Jun; 27: (6)896-7.
    View PubMed
  44. Majumder S, Buttar NS, Gostout C, Levy MJ, Martin J, Petersen B, Topazian M, Wong Kee Song LM, Abu Dayyeh BK. Lumen-apposing covered self-expanding metal stent for management of benign gastrointestinal strictures. Endosc Int Open. 2016 Jan; 4 (1):E96-E101 Epub 2015 Dec 15
    View PubMed
  45. Tabibian JH, Leggett CL, Abu Dayyeh BK, Buttar NS. Endoluminal stenting via the suture-assisted flange engagement technique. Gastrointest Endosc. 2016 Jan; 83: (1)249-50.
    View PubMed
  46. Sharma P, Katzka DA, Gupta N, Ajani J, Buttar N, Chak A, Corley D, El-Serag H, Falk GW, Fitzgerald R, Goldblum J, Gress F, Ilson DH, Inadomi JM, Kuipers EJ, Lynch JP, McKeon F, Metz D, Pasricha PJ, Pech O, Peek R, Peters JH, Repici A, Seewald S, Shaheen NJ, Souza RF, Spechler SJ, Vennalaganti P, Wang K. Quality indicators for the management of Barrett's esophagus, dysplasia, and esophageal adenocarcinoma: international consensus recommendations from the American Gastroenterological Association Symposium. Gastroenterology. 2015 Nov; 149(6):1599-606. Epub 2015 Aug 19.
    View PubMed
  47. Mathison A, Escande C, Calvo E, Seo S, White T, Salmonson A, Faubion WA Jr, Buttar N, Iovanna J, Lomberk G, Chini EN, Urrutia R. Phenotypic Characterization of Mice Carrying Homozygous Deletion of KLF11, a Gene in Which Mutations Cause Human Neonatal and MODY VII Diabetes. Endocrinology. 2015 Oct; 156 (10):3581-95 Epub 2015 Aug 06
    View PubMed
  48. Zeb MH, Baruah A, Kossak SK, Buttar NS. Chemoprevention in Barrett's Esophagus: Current Status. Gastroenterol Clin North Am. 2015 Jun; 44 (2):391-413
    View PubMed
  49. Abu Dayyeh BK, Wong Kee Song L, Rajan E, Buttar N. Telescoping caps with over-the-scope clip for full-thickness resection of GI lesions (Xtender technique). Gastrointest Endosc. 2015 Apr; 81: (4)1005.
    View PubMed
  50. Chak A, Buttar NS, Foster NR, Seisler DK, Marcon NE, Schoen R, Cruz-Correa MR, Falk GW, Sharma P, Hur C, Katzka DA, Rodriguez LM, Richmond E, Sharma AN, Smyrk TC, Mandrekar SJ, Limburg PJ, Cancer Prevention Network. Metformin does not reduce markers of cell proliferation in esophageal tissues of patients with Barrett's esophagus. Clin Gastroenterol Hepatol. 2015 Apr; 13 (4):665-72.e1-4 Epub 2014 Sept 15
    View PubMed
  51. Abu Dayyeh BK, Baron TH, Buttar N. Percutaneous-assisted transprosthetic endoscopic therapy for transmural closure of a large postoperative leak. Gastrointest Endosc. 2015 Feb; 81(2):455-6. Epub 2014 Jun 28.
    View PubMed
  52. Baruah A, Buttar NS. Chemoprevention in Barrett's oesophagus. Best Pract Res Clin Gastroenterol. 2015 Feb; 29 (1):151-65 Epub 2014 Dec 29
    View PubMed
  53. Abu Dayyeh BK, Conwell D, Buttar NS, Kadilaya V, Hart PA, Baumann NA, Bick BL, Chari ST, Chowdhary S, Clain JE, Gleeson FC, Lee LS, Levy MJ, Pearson RK, Petersen BT, Rajan E, Steen H, Suleiman S, Banks PA, Vege SS, Topazian M. Pancreatic juice prostaglandin e2 concentrations are elevated in chronic pancreatitis and improve detection of early disease. Clin Transl Gastroenterol. 2015 Jan 29; 6:e72
    View PubMed
  54. Baruah A, Wong Kee Song LM, Buttar NS. Endoscopic management of fistulas, perforations, and leaks Techniques in Gastrointestinal Endoscopy. 2015; 17: (4)178-88.
  55. Davelaar AL, Straub D, Buttar NS, Fockens P, Krishnadath KK. Active matrix metalloproteases are expressed early on and are high during the Barrett's esophagus malignancy sequence Scandinavian Journal of Gastroenterology. 2015; 50: (3)321-32.
    View PubMed
  56. Katzka DA, Tadi R, Smyrk TC, Katarya E, Sharma A, Geno DM, Camilleri M, Iyer PG, Alexander JA, Buttar NS. Effects of topical steroids on tight junction proteins and spongiosis in esophageal epithelia of patients with eosinophilic esophagitis. Clin Gastroenterol Hepatol. 2014 Nov; 12 (11):1824-9.e1 Epub 2014 Mar 27
    View PubMed
  57. Baruah A, Buttar N, Chandra R, Chen X, Clemons NJ, Compare D, El-Rifai W, Gu J, Houchen CW, Koh SY, Li W, Nardone G, Phillips WA, Sharma A, Singh I, Upton MP, Vega KJ, Wu X. Translational research on Barrett's esophagus. Ann N Y Acad Sci. 2014 Sep; 1325:170-86
    View PubMed
  58. Akiyama J, Alexandre L, Baruah A, Buttar N, Chandra R, Clark AB, Hart AR, Hawk E, Kandioler D, Kappel S, Krishnadath SK, Sharma A, Singh I, Straub D, Triadafilopoulos G, Umar A, Wolf B. Strategy for prevention of cancers of the esophagus. 12th Oeso World Conference: Cancers Of The Esophagus. 2014; 1325:108-26.
    View PubMed
  59. Mari L, Milano F, Parikh K, Straub D, Everts V, Hoeben KK, Fockens P, Buttar NS, Krishnadath KK. A pSMAD/CDX2 complex is essential for the intestinalization of epithelial metaplasia. Cell Rep. 2014 May 22; 7: (4)1197-210.
    View PubMed
  60. Gorospe EC, Desai S, Al-Bawardy B, Baron TH, Buttar NS, Wong Kee Song LM. Over-the-scope clip closure of pancreaticocolonic fistula caused by severe necrotizing pancreatitis. Gastrointest Endosc. 2014 May; 79: (5)713.
    View PubMed
  61. Namasivayam V, Prasad GA, Lutzke LS, Dunagan KT, Borkenhagen LS, Okoro NI, Tomizawa Y, Buttar NS, Michel WL, Wang KK. The risk of endoscopic mucosal resection in the setting of clopidogrel use. ISRN Gastroenterol. 2014; 2014:494157 Epub 2014 Apr 27
    View PubMed
  62. Tomizawa Y, Iyer PG, Wongkeesong LM, Buttar NS, Lutzke LS, Wu TT, Wang KK. Assessment of the diagnostic performance and interobserver variability of endocytoscopy in Barrett's esophagus: a pilot ex-vivo study. World J Gastroenterol. 2013 Dec 14; 19 (46):8652-8
    View PubMed
  63. Singh S, Sharma AN, Murad MH, Buttar NS, El-Serag HB, Katzka DA, Iyer PG. Central adiposity is associated with increased risk of esophageal inflammation, metaplasia, and adenocarcinoma: a systematic review and meta-analysis. Clin Gastroenterol Hepatol. 2013 Nov; 11 (11):1399-1412.e7 Epub 2013 May 22
    View PubMed
  64. Tomizawa Y, Iyer PG, Wong Kee Song LM, Buttar NS, Lutzke LS, Wang KK. Safety of endoscopic mucosal resection for Barrett's esophagus. Am J Gastroenterol. 2013 Sep; 108 (9):1440-7; quiz 1448 Epub 2013 July 16
    View PubMed
  65. Bingener J, Loomis EA, Gostout CJ, Zielinski MD, Buttar NS, Song LM, Baron TH, Ghahfarokhi LS, Rajan E. Feasibility of NOTES omental plug repair of perforated peptic ulcers: results from a clinical pilot trial. Surg Endosc. 2013 Jun; 27 (6):2201-8 Epub 2013 Jan 26
    View PubMed
  66. Bick BL, Song LM, Buttar NS, Baron TH, Nichols FC, Maldonado F, Katzka DA, Enders FT, Topazian MD. Stent-associated esophagorespiratory fistulas: incidence and risk factors. Gastrointest Endosc. 2013 Feb; 77 (2):181-9 Epub 2012 Dec 11
    View PubMed
  67. Mathison A, Grzenda A, Lomberk G, Velez G, Buttar N, Tietz P, Hendrickson H, Liebl A, Xiong YY, Gores G, Fernandez-Zapico M, Larusso NF, Faubion W, Shah VH, Urrutia R. Role for Kruppel-like transcription factor 11 in mesenchymal cell function and fibrosis. PLoS One. 2013; 8 (9):e75311 Epub 2013 Sept 17
    View PubMed
  68. Bansal A, Lee IH, Hong X, Mathur SC, Tawfik O, Rastogi A, Buttar N, Visvanathan M, Sharma P, Christenson LK. Discovery and validation of Barrett's esophagus microRNA transcriptome by next generation sequencing. PLoS One. 2013; 8(1):e54240. Epub 2013 Jan 23.
    View PubMed
  69. Samadder NJ, Bonin EA, Buttar NS, Baron TH, Gostout CJ, Topazian MD, Song LM. Placement of a covered stent for palliation of a cavitated colon cancer by using a novel over-the-scope technique (with video). Gastrointest Endosc. 2012 Dec; 76 (6):1275-7 Epub 2012 Mar 07
    View PubMed
  70. Rao AS, Misra S, Buttar NS, Baron TH, Wong Kee Song LM. Combined endoscopic-interventional radiologic approach for the treatment of bleeding gastric varices in the setting of a large splenorenal shunt. Gastrointest Endosc. 2012 Nov; 76 (5):1064-5 Epub 2012 Jan 20
    View PubMed
  71. Falk GW, Buttar NS, Foster NR, Ziegler KL, Demars CJ, Romero Y, Marcon NE, Schnell T, Corley DA, Sharma P, Cruz-Correa MR, Hur C, Fleischer DE, Chak A, Devault KR, Weinberg DS, Della'Zanna G, Richmond E, Smyrk TC, Mandrekar SJ, Limburg PJ, Cancer Prevention Network. A combination of esomeprazole and aspirin reduces tissue concentrations of prostaglandin E(2) in patients with Barrett's esophagus. Gastroenterology. 2012 Oct; 143(4):917-26.e1. Epub 2012 Jul 11
    View PubMed
  72. Nelsen EM, Kirihara Y, Takahashi N, Shi Q, Lewis JT, Namasivayam V, Buttar NS, Dunagan KT, Prasad GA. Distribution of body fat and its influence on esophageal inflammation and dysplasia in patients with Barrett's esophagus. Clin Gastroenterol Hepatol. 2012 Jul; 10 (7):728-34; quiz e61-2 Epub 2012 Mar 17
    View PubMed
  73. Wang KK, Tian JM, Gorospe E, Penfield J, Prasad G, Goddard T, Wongkeesong M, Buttar NS, Lutzke L, Krishnadath S. Medical and endoscopic management of high-grade dysplasia in Barrett's esophagus. Dis Esophagus. 2012 May; 25 (4):349-55 Epub 2012 Mar 12
    View PubMed
  74. Seo S, Lomberk G, Mathison A, Buttar N, Podratz J, Calvo E, Iovanna J, Brimijoin S, Windebank A, Urrutia R. Krüppel-like factor 11 differentially couples to histone acetyltransferase and histone methyltransferase chromatin remodeling pathways to transcriptionally regulate dopamine D2 receptor in neuronal cells. J Biol Chem. 2012 Apr 13; 287(16):12723-35. Epub 2012 Feb 28.
    View PubMed
  75. Lomberk G, Mathison AJ, Grzenda A, Seo S, DeMars CJ, Ilyas SI, Bonilla-Velez J, Calvo E, Fernandez-Zapico ME, Iovanna J, Buttar NS, Urrutia R. Sequence-specific recruitment of heterochromatin protein 1 via interaction with Kruppel-like factor 11, a human transcription factor involved in tumor suppression and metabolic diseases. J Biol Chem. 2012 Apr 13; 287 (16):13026-39 Epub 2012 Feb 08
    View PubMed
  76. Wang Y, Ding Q, Yen CJ, Xia W, Izzo JG, Lang JY, Li CW, Hsu JL, Miller SA, Wang X, Lee DF, Hsu JM, Huo L, Labaff AM, Liu D, Huang TH, Lai CC, Tsai FJ, Chang WC, Chen CH, Wu TT, Buttar NS, Wang KK, Wu Y, Wang H, Ajani J, Hung MC. The crosstalk of mTOR/S6K1 and Hedgehog pathways. Cancer Cell. 2012 Mar 20; 21(3):374-87.
    View PubMed
  77. Daftary GS, Lomberk GA, Buttar NS, Allen TW, Grzenda A, Zhang J, Zheng Y, Mathison AJ, Gada RP, Calvo E, Iovanna JL, Billadeau DD, Prendergast FG, Urrutia R. Detailed structural-functional analysis of the Kruppel-like factor 16 (KLF16) transcription factor reveals novel mechanisms for silencing Sp/KLF sites involved in metabolism and endocrinology. J Biol Chem. 2012 Mar 2; 287 (10):7010-25 Epub 2011 Dec 27
    View PubMed
  78. Bonnefond A, Lomberk G, Buttar N, Busiah K, Vaillant E, Lobbens S, Yengo L, Dechaume A, Mignot B, Simon A, Scharfmann R, Neve B, Tanyolac S, Hodoglugil U, Pattou F, Cave H, Iovanna J, Stein R, Polak M, Vaxillaire M, Froguel P, Urrutia R. Disruption of a novel Kruppel-like transcription factor p300-regulated pathway for insulin biosynthesis revealed by studies of the c.-331 INS mutation found in neonatal diabetes mellitus. J Biol Chem. 2011 Aug 12; 286(32):28414-24. Epub 2011 May 18.
    View PubMed
  79. Fernandez-Zapico ME, Lomberk GA, Tsuji S, DeMars CJ, Bardsley MR, Lin YH, Almada LL, Han JJ, Mukhopadhyay D, Ordog T, Buttar NS, Urrutia R. A functional family-wide screening of SP/KLF proteins identifies a subset of suppressors of KRAS-mediated cell growth. Biochem J. 2011 Apr 15; 435 (2):529-37
    View PubMed
  80. Wang KK, Okoro N, Prasad G, WongKeeSong M, Buttar NS, Tian J. Endoscopic evaluation and advanced imaging of Barrett's esophagus. Gastrointest Endosc Clin N Am. 2011 Jan; 21 (1):39-51
    View PubMed
  81. Rizvi S, Demars CJ, Comba A, Gainullin VG, Rizvi Z, Almada LL, Wang K, Lomberk G, Fernandez-Zapico ME, Buttar NS. Combinatorial chemoprevention reveals a novel smoothened-independent role of GLI1 in esophageal carcinogenesis. Cancer Res. 2010 Sep 1; 70 (17):6787-96 Epub 2010 July 20
    View PubMed
  82. Buttar NS, DeMars CJ, Lomberk G, Ilyas SI, Bonilla-Velez J, Achra S, Rashtak S, Wang KK, Fernandez-Zapico ME, Urrutia R. Distinct role of Kruppel-like factor 11 in the regulation of prostaglandin E2 biosynthesis. J Biol Chem. 2010 Apr 9; 285 (15):11433-44 Epub 2010 Feb 12
    View PubMed
  83. Badreddine RJ, Prasad GA, Wang KK, Song LM, Buttar NS, Dunagan KT, Lutzke LS, Borkenhagen LS. Prevalence and predictors of recurrent neoplasia after ablation of Barrett's esophagus. Gastrointest Endosc. 2010 Apr; 71 (4):697-703 Epub 2009 Dec 03
    View PubMed
  84. Singh A, Demars C, Buttar NS. Molecular determinants of metaplastic and neoplastic transformation in the esophageal epithelium. Prog Mol Biol Transl Sci. 2010; 96:63-92.
    View PubMed
  85. Kim SM, Park YY, Park ES, Cho JY, Izzo JG, Zhang D, Kim SB, Lee JH, Bhutani MS, Swisher SG, Wu X, Coombes KR, Maru D, Wang KK, Buttar NS, Ajani JA, Lee JS. Prognostic biomarkers for esophageal adenocarcinoma identified by analysis of tumor transcriptome. PLoS One. 2010; 5(11):e15074. Epub 2010 Nov 30.
    View PubMed
  86. Prasad GA, Wu TT, Wigle DA, Buttar NS, Wongkeesong LM, Dunagan KT, Lutzke LS, Borkenhagen LS, Wang KK. Endoscopic and surgical treatment of mucosal (T1a) esophageal adenocarcinoma in Barrett's esophagus. Gastroenterology. 2009 Sep; 137 (3):815-23 Epub 2009 June 12
    View PubMed
  87. Wang KK, Lutzke L, Borkenhagen L, Westra W, Song MW, Prasad G, Buttar NS. Photodynamic therapy for Barrett's esophagus: does light still have a role? Endoscopy. 2008 Dec; 40 (12):1021-5 Epub 2008 Dec 08
    View PubMed
  88. Prasad GA, Wang KK, Halling KC, Buttar NS, Wongkeesong LM, Zinsmeister AR, Brankley SM, Fritcher EG, Westra WM, Krishnadath KK, Lutzke LS, Borkenhagen LS. Utility of biomarkers in prediction of response to ablative therapy in Barrett's esophagus. Gastroenterology. 2008 Aug; 135(2):370-9. Epub 2008 May 07.
    View PubMed
  89. Prasad GA, Wang KK, Halling KC, Buttar NS, Wongkeesong LM, Zinsmeister AR, Brankley SM, Westra WM, Lutzke LS, Borkenhagen LS, Dunagan K. Correlation of histology with biomarker status after photodynamic therapy in Barrett esophagus. Cancer. 2008 Aug 1; 113 (3):470-6
    View PubMed
  90. Yen CJ, Izzo JG, Lee DF, Guha S, Wei Y, Wu TT, Chen CT, Kuo HP, Hsu JM, Sun HL, Chou CK, Buttar NS, Wang KK, Huang P, Ajani J, Hung MC. Bile acid exposure up-regulates tuberous sclerosis complex 1/mammalian target of rapamycin pathway in Barrett's-associated esophageal adenocarcinoma. Cancer Res. 2008 Apr 15; 68(8):2632-40.
    View PubMed
  91. Milano F, Rygiel AM, Buttar N, Bergman JJ, Sondermeijer C, van Baal JW, ten Brinke A, Kapsenberg M, van Ham SM, Peppelenbosch MP, Krishnadath KK. An ex vivo readout for evaluation of dendritic cell-induced autologous cytotoxic T lymphocyte responses against esophageal cancer. Cancer Immunol Immunother. 2007 Dec; 56(12):1967-77. Epub 2007 Jun 13.
    View PubMed
  92. Prasad GA, Buttar NS, Wongkeesong LM, Lewis JT, Sanderson SO, Lutzke LS, Borkenhagen LS, Wang KK. Significance of neoplastic involvement of margins obtained by endoscopic mucosal resection in Barrett's esophagus. Am J Gastroenterol. 2007 Nov; 102 (11):2380-6 Epub 2007 July 19
    View PubMed
  93. Song S, Guha S, Liu K, Buttar NS, Bresalier RS. COX-2 induction by unconjugated bile acids involves reactive oxygen species-mediated signalling pathways in Barrett's oesophagus and oesophageal adenocarcinoma. Gut. 2007 Nov; 56(11):1512-21. Epub 2007 Jun 29.
    View PubMed
  94. Milano F, van Baal JW, Buttar NS, Rygiel AM, de Kort F, DeMars CJ, Rosmolen WD, Bergman JJ, VAn Marle J, Wang KK, Peppelenbosch MP, Krishnadath KK. Bone morphogenetic protein 4 expressed in esophagitis induces a columnar phenotype in esophageal squamous cells. Gastroenterology. 2007 Jun; 132(7):2412-21. Epub 2007 Mar 19.
    View PubMed
  95. Prasad GA, Wang KK, Baron TH, Buttar NS, Wongkeesong LM, Roberts LR, LeRoy AJ, Lutzke LS, Borkenhagen LS. Factors associated with increased survival after photodynamic therapy for cholangiocarcinoma. Clin Gastroenterol Hepatol. 2007 Jun; 5 (6):743-8
    View PubMed
  96. Prasad GA, Wang KK, Buttar NS, Wongkeesong LM, Krishnadath KK, Nichols FC 3rd, Lutzke LS, Borkenhagen LS. Long-term survival following endoscopic and surgical treatment of high-grade dysplasia in Barrett's esophagus. Gastroenterology. 2007 Apr; 132 (4):1226-33 Epub 2007 Feb 07
    View PubMed
  97. Ilyas S, DeMars CJ, Buttar NS. Chemoprevention in Barrett's esophagus. J Gastrointest Cancer. 2007; 38 (1):1-9
    View PubMed
  98. Prasad GA, Wang KK, Buttar NS, Wongkeesong LM, Lutzke LS, Borkenhagen LS. Predictors of stricture formation after photodynamic therapy for high-grade dysplasia in Barrett's esophagus. Gastrointest Endosc. 2007 Jan; 65 (1):60-6
    View PubMed
  99. Buttar NS, Fernandez-Zapico ME, Urrutia R. Key role of Kruppel-like factor proteins in pancreatic cancer and other gastrointestinal neoplasias. Curr Opin Gastroenterol. 2006 Sep; 22: (5)505-11.
    View PubMed
  100. Prasad GA, Wang KK, Lutzke LS, Lewis JT, Sanderson SO, Buttar NS, Wong Kee Song LM, Borkenhagen LS, Burgart LJ. Frozen section analysis of esophageal endoscopic mucosal resection specimens in the real-time management of Barrett's esophagus. Clin Gastroenterol Hepatol. 2006 Feb; 4 (2):173-8
    View PubMed
  101. Buttar NS, Wiersema MJ, Wang KK, DeMars CJ, Prasad GA, Lutzke LS. Rodent endosonography to monitor esophageal cancer. Int J Gastrointest Cancer. 2006; 37 (2-3):84-90
    View PubMed
  102. Maple JT, Petersen BT, Baron TH, Gostout CJ, Wong Kee Song LM, Buttar NS. Direct percutaneous endoscopic jejunostomy: outcomes in 307 consecutive attempts. Am J Gastroenterol. 2005 Dec; 100 (12):2681-8
    View PubMed
  103. Wang KK, Wongkeesong M, Wongkeesong M, Buttar NS, American Gastroenterological Association. American Gastroenterological Association medical position statement: Role of the gastroenterologist in the management of esophageal carcinoma. Gastroenterology. 2005 May; 128 (5):1468-70
    View PubMed
  104. Wang KK, Wongkeesong M, Wongkeesong M, Buttar NS. American Gastroenterological Association technical review on the role of the gastroenterologist in the management of esophageal carcinoma. Gastroenterology. 2005 May; 128 (5):1471-505
    View PubMed
  105. Buttar NS, Wang KK. Mechanisms of disease: Carcinogenesis in Barrett's esophagus. Nature Clinical Practice Gastroenterology & Hepatology. 2004 Dec; 1(2):106-12.
    View PubMed
  106. Pacifico RJ, Wang KK, Wongkeesong LM, Buttar NS, Lutzke LS. Combined endoscopic mucosal resection and photodynamic therapy versus esophagectomy for management of early adenocarcinoma in Barrett's esophagus. Clin Gastroenterol Hepatol. 2003 Jul; 1 (4):252-7
    View PubMed
  107. Buttar NS, Wang KK, Leontovich O, Westcott JY, Pacifico RJ, Anderson MA, Krishnadath KK, Lutzke LS, Burgart LJ. Chemoprevention of esophageal adenocarcinoma by COX-2 inhibitors in an animal model of Barrett's esophagus. Gastroenterology. 2002 Apr; 122 (4):1101-12
    View PubMed
  108. Buttar NS, Wang KK, Anderson MA, Dierkhising RA, Pacifico RJ, Krishnadath KK, Lutzke LS. The effect of selective cyclooxygenase-2 inhibition in Barrett's esophagus epithelium: an in vitro study. J Natl Cancer Inst. 2002 Mar 20; 94 (6):422-9
    View PubMed
  109. Buttar NS, Wang KK, Lutzke LS, Krishnadath KK, Anderson MA. Combined endoscopic mucosal resection and photodynamic therapy for esophageal neoplasia within Barrett's esophagus. Gastrointest Endosc. 2001 Dec; 54 (6):682-8
    View PubMed
  110. Kendrick ML, Buttar NS, Anderson MA, Lutzke LS, Peia D, Wang KK, Sarr MG. Contribution of intraoperative enteroscopy in the management of obscure gastrointestinal bleeding. J Gastrointest Surg. 2001 Mar-Apr; 5 (2):162-7
    View PubMed
  111. Buttar NS, Falk GW. Pathogenesis of gastroesophageal reflux and Barrett esophagus. Mayo Clin Proc. 2001 Feb; 76 (2):226-34
    View PubMed
  112. Buttar NS, Wang KK. The "aspirin" of the new millennium: cyclooxygenase-2 inhibitors. Mayo Clin Proc. 2000 Oct; 75 (10):1027-38
    View PubMed
  113. Krishnadath KK, Wang KK, Taniguchi K, Sebo TJ, Buttar NS, Anderson MA, Lutzke LS, Liu W, Liu W. Persistent genetic abnormalities in Barrett's esophagus after photodynamic therapy. Gastroenterology. 2000 Sep; 119 (3):624-30
    View PubMed