Publications

  1. Halland M, Ravi K, Nelson HA, Katzka DA, Talley NJ, Crowell MD. Baseline Impedance Measured During High-resolution Esophageal Impedance Manometry in Patients With Rumination Syndrome is as Abnormal as in Patients With GERD. J Clin Gastroenterol. 2020 Jan; 54 (1):28-34
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  2. Podboy AJ, Lavey C, Mara K, Geno D, Khana S, Ravi K, Katzka D, Alexander J. Eosinophilic Esophagitis Is Rarely Continually Symptomatic 10 Years After an Initial Treatment Course in Adults. Dig Dis Sci. 2019 Dec; 64 (12):3568-3578 Epub 2019 May 07
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  3. Anderson B, Ravi K. Chronic Abdominal Pain Caused by Collagenous Gastritis. Clin Gastroenterol Hepatol. 2019 Nov; 17 (12):e144 Epub 2018 Aug 23
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  4. Alexander R, Alexander JA, Ravi K, Geno D, Tholen C, Mara K, Katzka DA. Measurement of Observed Eating Behaviors in Patients With Active and Inactive Eosinophilic Esophagitis. Clin Gastroenterol Hepatol. 2019 Oct; 17 (11):2371-2373 Epub 2018 Dec 14
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  5. Snyder DL, Crowell MD, Horsley-Silva J, Ravi K, Lacy BE, Vela MF. Opioid-Induced Esophageal Dysfunction: Differential Effects of Type and Dose. Am J Gastroenterol. 2019 Sep; 114 (9):1464-1469
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  6. Ravi K, Codipilly DC, Sunjaya D, Fang H, Arora AS, Katzka DA. Esophageal Lichen Planus Is Associated With a Significant Increase in Risk of Squamous Cell Carcinoma. Clin Gastroenterol Hepatol. 2019 Aug; 17 (9):1902-1903.e1 Epub 2018 Oct 17
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  7. Alexander JA, Ravi K, Geno DM, Tholen CJ, Higginbotham TC, Wildhorn S, Camilleri M, Vaezi MF, Katzka DA. Comparison of mucosal impedance measurements throughout the esophagus and mucosal eosinophil counts in endoscopic biopsy specimens in eosinophilic esophagitis. Gastrointest Endosc. 2019 Apr; 89 (4):693-700.e1 Epub 2018 Aug 24
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  8. Johnson K, Iyer V, Katzka D, Ravi K, Lennon R, Pendegraft R, Geno D, Alexander J. Poor Relationship Between Fractionated Exhaled Nitric Oxide and Disease Activity in Eosinophilic Esophagitis. Dysphagia. 2019 Feb; 34 (1):138-144 Epub 2018 July 24
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  9. Kahn A, Al-Qaisi MT, Obeid RA, Katzka DA, Ravi KM, Ramirez FC, Crowell MD, Vela MF. Clinical features and long-term outcomes of lower esophageal sphincter-dependent and lower esophageal sphincter-independent jackhammer esophagus. Neurogastroenterol Motil. 2019 Feb; 31 (2):e13507 Epub 2018 Nov 15
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  10. Patel DA, Sharda R, Choksi YA, Slaughter JC, Higginbotham T, Garrett CG, Francis DO, Ravi K, Hasak S, Katzka D, Gyawali CP, Vaezi MF. Model to Select On-Therapy vs Off-Therapy Tests for Patients With Refractory Esophageal or Extraesophageal Symptoms. Gastroenterology. 2018 Dec; 155 (6):1729-1740.e1 Epub 2018 Aug 28
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  11. Ramos GP, Majumder S, Ravi K, Sweetser S. Role of Diagnostic Preoperative Upper Gastrointestinal Endoscopy in Radiologically Confirmed Gastric Volvulus. Dig Dis Sci. 2018 Nov; 63 (11):3091-3096 Epub 2018 July 19
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  12. Pajot G, Dayyeh BA, Ravi K. An 82-Year-Old Man With Vague Abdominal Pain and Weakness. Gastroenterology. 2018 Nov; 155 (5):e15-e16 Epub 2018 July 19
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  13. Blevins CH, Dierkhising RA, Geno DM, Johnson ML, Vela MF, Ravi K, Iyer PG, Katzka DA. Obesity and GERD impair esophageal epithelial permeability through 2 distinct mechanisms. Neurogastroenterol Motil. 2018 Oct; 30 (10):e13403 Epub 2018 July 30
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  14. Eckmann JD, Ravi K, Katzka DA, Davis DR, See JA, Geno DR, Kryzer LA, Alexander JA. Efficacy of Atopy Patch Testing in Directed Dietary Therapy of Eosinophilic Esophagitis: A Pilot Study. Dig Dis Sci. 2018 Mar; 63 (3):694-702 Epub 2018 Jan 18
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  15. Codipilly DC, Fang H, Alexander JA, Katzka DA, Ravi K. Subepithelial esophageal tumors: a single-center review of resected and surveilled lesions. Gastrointest Endosc. 2018 Feb; 87 (2):370-377 Epub 2017 Aug 04
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  16. Fang H, Codipilly DC, Ravi K, Ekbom DC, Kasperbauer JL, Halland M. Gastroesophageal Reflux Characteristics and Patterns in Patients with Idiopathic Subglottic Stenosis. Gastroenterol Res Pract. 2018; 2018:8563697 Epub 2018 June 11
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  17. Podboy AJ, Alexander JA, Smyrk TC, Halland M, Ravi K, Geno DM, Murray JA, Katzka DA. Occurrence of IgG4 in Esophageal Lichen Planus. Clin Gastroenterol Hepatol. 2017 Dec; 15 (12):1975-1977 Epub 2017 June 10
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  18. Bazerbachi F, Blackmon SH, Ravi K, Wong Kee Song LM. Endoscopic esophagoplasty for megaesophagus with sump stasis in end-stage achalasia. VideoGIE. 2017 Nov; 2 (11):274-275 Epub 2017 Sept 28
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  19. Schupack D, Katzka DA, Geno DM, Ravi K. The clinical significance of esophagogastric junction outflow obstruction and hypercontractile esophagus in high resolution esophageal manometry. Neurogastroenterol Motil. 2017 Oct; 29 (10):1-9 Epub 2017 May 23
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  20. Ramos GP, Sharain K, Ravi K. Juvenile polyposis and hereditary hemorrhagic telangiectasia overlap syndrome. Gastrointest Endosc. 2017 Jul; 86 (1):238-239 Epub 2017 Jan 25
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  21. Ravi K, Geno DM, Vela MF, Crowell MD, Katzka DA. Baseline impedance measured during high-resolution esophageal impedance manometry reliably discriminates GERD patients. Neurogastroenterol Motil. 2017 May; 29 (5) Epub 2016 Oct 24
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  22. Tan NY, Majumder S, Sridharan M, Kerr SE, Graham RP, Ravi K. Metastatic Epstein-Barr Virus-Positive Lymphoepithelioma-Like Cholangiocarcinoma in a Young Man With Ulcerative Colitis. Am J Gastroenterol 2017 Mar; 112 (3):518-520
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  23. Sawas T, Ravi K, Geno DM, Enders F, Pierce K, Wigle D, Katzka DA. The course of achalasia one to four decades after initial treatment. Aliment Pharmacol Ther. 2017 Feb; 45 (4):553-560 Epub 2016 Dec 07
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  24. Alexander JA, Ravi K, Enders FT, Geno DM, Kryzer LA, Mara KC, Smyrk TC, Katzka DA. Montelukast Does not Maintain Symptom Remission After Topical Steroid Therapy for Eosinophilic Esophagitis. Clin Gastroenterol Hepatol. 2017 Feb; 15 (2):214-221.e2 Epub 2016 Sept 17
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  25. Arnett ALH, Merrell KW, Martin Macintosh E, Macintosh EM, James SE, Nathan MA, Shen KR, Ravi K, Neben Wittich MA, Haddock MG, Hallemeier CL. Utility of (18)F-FDG PET for Predicting Histopathologic Response in Esophageal Carcinoma following Chemoradiation. J Thorac Oncol. 2017 Jan; 12 (1):121-128 Epub 2016 Aug 26
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  26. Ravi K, Sweetser S, Katzka DA. Pseudoachalasia secondary to bariatric surgery. Dis Esophagus. 2016 Nov; 29: (8)992-995.
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  27. Marston AP, Maldonado FJ, Ravi K, Kasperbauer JL, Ekbom DC. Treatment of oropharyngeal dysphagia secondary to idiopathic cricopharyngeal bar: Surgical cricopharyngeal muscle myotomy versus dilation. Am J Otolaryngol. 2016 Nov - Dec; 37 (6):507-512 Epub 2016 July 27
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  28. Ravi K, Katzka DA. Esophageal Impedance Monitoring: Clinical Pearls and Pitfalls. Am J Gastroenterol. 2016 Sep; 111 (9):1245-56 Epub 2016 June 21
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  29. Halland M, Ravi K, Barlow J, Arora A. Correlation between the radiological observation of isolated tertiary waves on an esophagram and findings on high-resolution esophageal manometry. Dis Esophagus. 2016 Jan; 29: (1)22-6.
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  30. Ravi K, Murray JA, Geno DM, Katzka DA. Achalasia and chronic opiate use: innocent bystanders or associated conditions? Dis Esophagus. 2016 Jan; 29: (1)15-21.
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  31. Parthasarathy G, Ravi K, Camilleri M, Andrews C, Szarka LA, Low PA, Zinsmeister AR, Bharucha AE. Effect of neostigmine on gastroduodenal motility in patients with suspected gastrointestinal motility disorders. Neurogastroenterol Motil. 2015 Dec; 27 (12):1736-46 Epub 2015 Sept 20
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  32. Ravi K, Friesen L, Issaka R, Kahrilas PJ, Pandolfino JE. Long-term Outcomes of Patients With Normal or Minor Motor Function Abnormalities Detected by High-resolution Esophageal Manometry. Clin Gastroenterol Hepatol. 2015 Aug; 13 (8):1416-23 Epub 2015 Mar 11
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  33. Katzka DA, Ravi K, Geno DM, Smyrk TC, Iyer PG, Alexander JA, Mabary JE, Camilleri M, Vaezi MF. Endoscopic Mucosal Impedance Measurements Correlate With Eosinophilia and Dilation of Intercellular Spaces in Patients With Eosinophilic Esophagitis. Clin Gastroenterol Hepatol. 2015 Jul; 13: (7)1242-1248.e1.
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  34. Carlson DA, Ravi K, Kahrilas PJ, Gyawali CP, Bredenoord AJ, Castell DO, Spechler SJ, Halland M, Kanuri N, Katzka DA, Leggett CL, Roman S, Saenz JB, Sayuk GS, Wong AC, Yadlapati R, Ciolino JD, Fox MR, Pandolfino JE. Diagnosis of Esophageal Motility Disorders: Esophageal Pressure Topography vs. Conventional Line Tracing. Am J Gastroenterol. 2015 Jul; 110 (7):967-77; quiz 978 Epub 2015 June 02
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  35. Hart PA, Romano RC, Moreira RK, Ravi K, Sweetser S. Esophagitis Dissecans Superficialis: Clinical, Endoscopic, and Histologic Features. Dig Dis Sci. 2015 Jul; 60 (7):2049-57 Epub 2015 Feb 21
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  36. Ravi K, Geno DM, Katzka DA. Esophageal cancer screening in achalasia: is there a consensus? Dis Esophagus. 2015 Apr; 28: (3)299-304.
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  37. Ravi K, Katzka DA. Diagnosis and medical management of esophageal dysmotility. Tech. Gastrointest. Endosc. 2015; 17(2):62-9.
  38. Gentile N, Katzka D, Ravi K, Trenkner S, Enders F, Killian J, Kryzer L, Talley NJ, Alexander J. Oesophageal narrowing is common and frequently under-appreciated at endoscopy in patients with oesophageal eosinophilia. Aliment Pharmacol Ther. 2014 Dec; 40 (11-12):1333-40 Epub 2014 Oct 07
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  39. Halland M, Baron TH Sr, Ravi K. Dysphagia in a patient with a Zenker's Diverticulum: there is more to it than meets the eye. Gastroenterology. 2014 Feb; 146: (2)346, 590-1.
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  40. Ravi K, Sweetser S. Persistent nausea and vomiting in pregnancy. Gastroenterology. 2014 Jan; 146 (1):33, 323 Epub 2013 Nov 20
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  41. Law R, Ravi K, Alexander JA. A rash decision? Gastroenterology. 2013 May; 144(5):884, 1158. Epub 2013 Mar 21.
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  42. Noelting J, Ratuapli SK, Bharucha AE, Harvey DM, Ravi K, Zinsmeister AR. Normal values for high-resolution anorectal manometry in healthy women: effects of age and significance of rectoanal gradient. Am J Gastroenterol. 2012 Oct; 107 (10):1530-6 Epub 2012 Sept 18
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  43. Wong RK, Drossman DA, Bharucha AE, Rao SS, Wald A, Morris CB, Oxentenko AS, Ravi K, Van Handel DM, Edwards H, Hu Y, Bangdiwala S. The digital rectal examination: a multicenter survey of physicians' and students' perceptions and practice patterns. Am J Gastroenterol. 2012 Aug; 107(8):1157-63.
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  44. Sridhara S, Ravi K, Smyrk TC, Kita H, Kephart GM, Weiler CR, Katzka DA. Increased numbers of eosinophils, rather than only etiology, predict histologic changes in patients with esophageal eosinophilia. Clin Gastroenterol Hepatol. 2012 Jul; 10(7):735-41. Epub 2012 Jan 28.
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  45. Lee J, Huprich J, Kujath C, Ravi K, Enders F, Smyrk TC, Katzka DA, Talley NJ, Alexander JA. Esophageal diameter is decreased in some patients with eosinophilic esophagitis and might increase with topical corticosteroid therapy. Clin Gastroenterol Hepatol. 2012 May; 10: (5)481-6.
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  46. Ravi K, Francis DL, See JA, Geno DM, Katzka DA. The effects of a weakly acidic meal on gastric buffering and postprandial gastro-oesophageal reflux. Aliment Pharmacol Ther. 2011 Sep; 34(5):568-75. Epub 2011 Jul 05.
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  47. Ravi K, Talley NJ, Smyrk TC, Katzka DA, Kryzer L, Romero Y, Arora AS, Alexander JA. Low grade esophageal eosinophilia in adults: an unrecognized part of the spectrum of eosinophilic esophagitis? Dig Dis Sci. 2011 Jul; 56 (7):1981-6 Epub 2011 Feb 06
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  48. Ravi K, Katzka DA, Smyrk TC, Prasad GA, Romero Y, Francis DL, Lutzke L, Tian J, Wang KK. Prevalence of esophageal eosinophils in patients with Barrett's esophagus. Am J Gastroenterol. 2011 May; 106(5):851-7. Epub 2011 Feb 08.
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  49. Pasha SF, Crowell MD, Alexander JA, Harris LA, Achem SR, Farrugia G, Lee JJ, Thompson DM, Jung KW, Kita H, Ravi K, Namasivayam V, Kim HJ, Fleischer DE, Sharma VK, Romero Y. Eosinophilic oesophagitis in adults - A rising epidemic. European Gastroenterology and Hepatology Review. 2011; 7(1):14-20.
  50. Ravi K, Sanchez W, Sweetser S. Primary pancreatic follicular lymphoma mimicking adenocarcinoma. Clin Gastroenterol Hepatol. 2010 Oct; 8(10):e101-2. Epub 2010 May 23.
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  51. Ravi K, DeVault KR, Murray JA, Bouras EP, Francis DL. Inter-observer agreement for multichannel intraluminal impedance-pH testing. Dis Esophagus. 2010 Sep; 23: (7)540-4.
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  52. Bharucha AE, Ravi K, Zinsmeister AR. Comparison of selective M3 and nonselective muscarinic receptor antagonists on gastrointestinal transit and bowel habits in humans. Am J Physiol Gastrointest Liver Physiol. 2010 Jul; 299 (1):G215-9 Epub 2010 Apr 15
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  53. Ravi K, Bharucha AE, Camilleri M, Rhoten D, Bakken T, Zinsmeister AR. Phenotypic variation of colonic motor functions in chronic constipation. Gastroenterology. 2010 Jan; 138 (1):89-97 Epub 2009 Aug 04
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  54. Ravi K, Chari ST, Vege SS, Sandborn WJ, Smyrk TC, Loftus EV Jr. Inflammatory bowel disease in the setting of autoimmune pancreatitis. Inflamm Bowel Dis. 2009 Sep; 15 (9):1326-30
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  55. Ravi K, Francis DL. New technologies to evaluate esophageal function. Expert Rev Med Devices. 2007 Nov; 4(6):829-37.
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