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Pimentel Mark

Title(s)Assistant Professor, Medicine
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    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help.
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    1. Rezaie A, Heimanson Z, McCallum R, Pimentel M. Lactulose Breath Testing as a Predictor of Response to Rifaximin in Patients With Irritable Bowel Syndrome With Diarrhea. Am J Gastroenterol. 2019 Dec; 114(12):1886-1893. PMID: 31688023.
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    2. Gu P, Patel D, Lakhoo K, Ko J, Liu X, Chang B, Pan D, Lentz G, Sonesen M, Estiandan R, Lin E, Pimentel M, Rezaie A. Breath Test Gas Patterns in Inflammatory Bowel Disease with Concomitant Irritable Bowel Syndrome-Like Symptoms: A Controlled Large-Scale Database Linkage Analysis. Dig Dis Sci. 2019 Nov 21. PMID: 31754993.
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    3. Leite GGS, Morales W, Weitsman S, Celly S, Parodi G, Mathur R, Sedighi R, Barlow GM, Rezaie A, Pimentel M. Optimizing microbiome sequencing for small intestinal aspirates: validation of novel techniques through the REIMAGINE study. BMC Microbiol. 2019 Nov 01; 19(1):239. PMID: 31675917.
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    4. Morales W, Rezaie A, Barlow G, Pimentel M. Second-Generation Biomarker Testing for Irritable Bowel Syndrome Using Plasma Anti-CdtB and Anti-Vinculin Levels. Dig Dis Sci. 2019 Nov; 64(11):3115-3121. PMID: 31152332.
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    5. Pichetshote N, Pimentel M. An Approach to the Patient With Chronic Undiagnosed Abdominal Pain. Am J Gastroenterol. 2019 May; 114(5):726-732. PMID: 30694864.
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    6. Oh SJ, Tashjian VC, Mirocha J, Nagar M, Mathur R, Lin E, Chua KS, Rezaie A, Pimentel M, Pichetshote N. Declining Rates of Referral for Irritable Bowel Syndrome Without Constipation at a Tertiary Care Center. Dig Dis Sci. 2019 01; 64(1):182-188. PMID: 30324554.
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    7. Fodor AA, Pimentel M, Chey WD, Lembo A, Golden PL, Israel RJ, Carroll IM. Rifaximin is associated with modest, transient decreases in multiple taxa in the gut microbiota of patients with diarrhoea-predominant irritable bowel syndrome. Gut Microbes. 2019; 10(1):22-33. PMID: 29708822.
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    8. Gu P, Kuenzig ME, Kaplan GG, Pimentel M, Rezaie A. Fecal Incontinence in Inflammatory Bowel Disease: A Systematic Review and Meta-Analysis. Inflamm Bowel Dis. 2018 05 18; 24(6):1280-1290. PMID: 29617820.
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    9. Pimentel M. Evidence-based management of irritable bowel syndrome with diarrhea. Am J Manag Care. 2018 01; 24(3 Suppl):S35-S46. PMID: 29372991.
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    10. Cash BD, Pimentel M, Rao SSC, Weinstock L, Chang L, Heimanson Z, Lembo A. Repeat treatment with rifaximin improves irritable bowel syndrome-related quality of life: a secondary analysis of a randomized, double-blind, placebo-controlled trial. Therap Adv Gastroenterol. 2017 Sep; 10(9):689-699. PMID: 28932270.
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    11. Tziatzios G, Giamarellos-Bourboulis EJ, Papanikolaou IS, Pimentel M, Dimitriadis GD, Triantafyllou K. Is small intestinal bacterial overgrowth involved in the pathogenesis of functional dyspepsia? Med Hypotheses. 2017 Sep; 106:26-32. PMID: 28818267.
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    12. Rezaie A, Park SC, Morales W, Marsh E, Lembo A, Kim JH, Weitsman S, Chua KS, Barlow GM, Pimentel M. Assessment of Anti-vinculin and Anti-cytolethal Distending Toxin B Antibodies in Subtypes of Irritable Bowel Syndrome. Dig Dis Sci. 2017 06; 62(6):1480-1485. PMID: 28451914.
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    13. Rezaie A, Pimentel M, Cohen E. Autoimmunity as a Potential Cause of Post-Infectious Gut Dysmotility: A Longitudinal Observation. Am J Gastroenterol. 2017 Apr; 112(4):656-657. PMID: 28381845.
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    14. Rezaie A, Buresi M, Lembo A, Lin H, McCallum R, Rao S, Schmulson M, Valdovinos M, Zakko S, Pimentel M. Hydrogen and Methane-Based Breath Testing in Gastrointestinal Disorders: The North American Consensus. Am J Gastroenterol. 2017 05; 112(5):775-784. PMID: 28323273.
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    15. DuPont HL, Wolf RA, Israel RJ, Pimentel M. Antimicrobial Susceptibility of Staphylococcus Isolates from the Skin of Patients with Diarrhea-Predominant Irritable Bowel Syndrome Treated with Repeat Courses of Rifaximin. Antimicrob Agents Chemother. 2017 01; 61(1). PMID: 27795384.
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    16. Barlow GM, Rezaie A, Lin E, Pimentel M. A definitive blood test for post-infectious irritable bowel syndrome? Expert Rev Gastroenterol Hepatol. 2016 Nov; 10(11):1197-1199. PMID: 27682513.
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    17. Lembo A, Pimentel M, Rao SS, Schoenfeld P, Cash B, Weinstock LB, Paterson C, Bortey E, Forbes WP. Repeat Treatment With Rifaximin Is Safe and Effective in Patients With Diarrhea-Predominant Irritable Bowel Syndrome. Gastroenterology. 2016 12; 151(6):1113-1121. PMID: 27528177.
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    18. Giamarellos-Bourboulis EJ, Pyleris E, Barbatzas C, Pistiki A, Pimentel M. Small intestinal bacterial overgrowth is associated with irritable bowel syndrome and is independent of proton pump inhibitor usage. BMC Gastroenterol. 2016 Jul 11; 16(1):67. PMID: 27402085.
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    19. Mathur R, Mundi MS, Chua KS, Lorentz PA, Barlow GM, Lin E, Burch M, Youdim A, Pimentel M. Intestinal methane production is associated with decreased weight loss following bariatric surgery. Obes Res Clin Pract. 2016 Nov - Dec; 10(6):728-733. PMID: 27380731.
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    20. Pimentel M. Update on Irritable Bowel Syndrome Diagnostics and Therapeutics. Gastroenterol Hepatol (N Y). 2016 Jul; 12(7):442-5. PMID: 27489527.
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    21. Pimentel M, Purdy C, Magar R, Rezaie A. A Predictive Model to Estimate Cost Savings of a Novel Diagnostic Blood Panel for Diagnosis of Diarrhea-predominant Irritable Bowel Syndrome. Clin Ther. 2016 Jul; 38(7):1638-1652.e9. PMID: 27261204.
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    22. Muskal SM, Sliman J, Kokai-Kun J, Pimentel M, Wacher V, Gottlieb K. Lovastatin lactone may improve irritable bowel syndrome with constipation (IBS-C) by inhibiting enzymes in the archaeal methanogenesis pathway. F1000Res. 2016; 5:606. PMID: 27347377.
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    23. Triantafyllou K, Pimentel M. Understanding Breath Tests for Small Intestinal Bacterial Overgrowth. Clin Gastroenterol Hepatol. 2016 09; 14(9):1362-3. PMID: 26968465.
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    24. Pimentel M. Breath Testing for Small Intestinal Bacterial Overgrowth: Should We Bother? Am J Gastroenterol. 2016 Mar; 111(3):307-8. PMID: 26902227.
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    25. Mathur R, Chua KS, Mamelak M, Morales W, Barlow GM, Thomas R, Stefanovski D, Weitsman S, Marsh Z, Bergman RN, Pimentel M. Metabolic effects of eradicating breath methane using antibiotics in prediabetic subjects with obesity. Obesity (Silver Spring). 2016 Mar; 24(3):576-82. PMID: 26833719.
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    26. Rezaie A, Pimentel M, Rao SS. How to Test and Treat Small Intestinal Bacterial Overgrowth: an Evidence-Based Approach. Curr Gastroenterol Rep. 2016 Feb; 18(2):8. PMID: 26780631.
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    27. Pimentel M. Reply. Gastroenterology. 2016 Jan; 150(1):278-9. PMID: 26613888.
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    28. Pimentel M, Morales W, Rezaie A, Marsh E, Lembo A, Mirocha J, Leffler DA, Marsh Z, Weitsman S, Chua KS, Barlow GM, Bortey E, Forbes W, Yu A, Chang C. Development and validation of a biomarker for diarrhea-predominant irritable bowel syndrome in human subjects. PLoS One. 2015; 10(5):e0126438. PMID: 25970536.
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    29. Giamarellos-Bourboulis E, Tang J, Pyleris E, Pistiki A, Barbatzas C, Brown J, Lee CC, Harkins TT, Kim G, Weitsman S, Barlow GM, Funari VA, Pimentel M. Molecular assessment of differences in the duodenal microbiome in subjects with irritable bowel syndrome. Scand J Gastroenterol. 2015; 50(9):1076-87. PMID: 25865706.
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    30. Ghorbani S, Nejad A, Law D, Chua KS, Amichai MM, Pimentel M. Healthy control subjects are poorly defined in case-control studies of irritable bowel syndrome. Ann Gastroenterol. 2015 Jan-Mar; 28(1):87-93. PMID: 25609236.
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    31. Pimentel M, Morales W, Pokkunuri V, Brikos C, Kim SM, Kim SE, Triantafyllou K, Weitsman S, Marsh Z, Marsh E, Chua KS, Srinivasan S, Barlow GM, Chang C. Autoimmunity Links Vinculin to the Pathophysiology of Chronic Functional Bowel Changes Following Campylobacter jejuni Infection in a Rat Model. Dig Dis Sci. 2015 May; 60(5):1195-205. PMID: 25424202.
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    32. Serna-Gallegos D, Basseri B, Bairamian V, Pimentel M, Soukiasian HJ. Gastroesophageal reflux reported on esophagram does not correlate with pH monitoring and high-resolution esophageal manometry. Am Surg. 2014 Oct; 80(10):1026-9. PMID: 25264653.
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    33. Pimentel M, Chang C, Chua KS, Mirocha J, DiBaise J, Rao S, Amichai M. Antibiotic treatment of constipation-predominant irritable bowel syndrome. Dig Dis Sci. 2014 Jun; 59(6):1278-85. PMID: 24788320.
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    34. Shah E, Pimentel M. Placebo effect in clinical trial design for irritable bowel syndrome. J Neurogastroenterol Motil. 2014 Apr 30; 20(2):163-70. PMID: 24840369.
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    35. Pistiki A, Galani I, Pyleris E, Barbatzas C, Pimentel M, Giamarellos-Bourboulis EJ. In vitro activity of rifaximin against isolates from patients with small intestinal bacterial overgrowth. Int J Antimicrob Agents. 2014 Mar; 43(3):236-41. PMID: 24461710.
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    36. Shah E, Rezaie A, Riddle M, Pimentel M. Psychological disorders in gastrointestinal disease: epiphenomenon, cause or consequence? Ann Gastroenterol. 2014; 27(3):224-230. PMID: 24974805.
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    37. Triantafyllou K, Chang C, Pimentel M. Methanogens, methane and gastrointestinal motility. J Neurogastroenterol Motil. 2014 Jan; 20(1):31-40. PMID: 24466443.
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    38. Pimentel M, Mathur R, Chang C. Gas and the microbiome. Curr Gastroenterol Rep. 2013 Dec; 15(12):356. PMID: 24150797.
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    39. Basseri B, Pimentel M, Chang C, Soffer EE, Conklin JL. Recorded lower esophageal pressures as a function of electronic sleeve placement and location of gastric pressure measurement in patients with hiatal hernia. J Neurogastroenterol Motil. 2013 Oct; 19(4):479-84. PMID: 24199008.
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    40. Sachdev AH, Pimentel M. Gastrointestinal bacterial overgrowth: pathogenesis and clinical significance. Ther Adv Chronic Dis. 2013 Sep; 4(5):223-31. PMID: 23997926.
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    41. Basseri B, Vasiliauskas EA, Chan O, Wang HL, Basseri RJ, Pimentel M, Soffer E, Conklin JL. Evaluation of peripapillary lymphocytosis and lymphocytic esophagitis in adult inflammatory bowel disease. Gastroenterol Hepatol (N Y). 2013 Aug; 9(8):505-11. PMID: 24719598.
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    42. Riddle MS, Murray JA, Cash BD, Pimentel M, Porter CK. Pathogen-specific risk of celiac disease following bacterial causes of foodborne illness: a retrospective cohort study. Dig Dis Sci. 2013 Nov; 58(11):3242-5. PMID: 23812827.
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    43. Pimentel M, Talley NJ, Quigley EM, Hani A, Sharara A, Mahachai V. Report from the multinational irritable bowel syndrome initiative 2012. Gastroenterology. 2013 Jun; 144(7):e1-5. PMID: 23644078.
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    44. Kim MS, Morales W, Hani AA, Kim S, Kim G, Weitsman S, Chang C, Pimentel M. The effect of rifaximin on gut flora and Staphylococcus resistance. Dig Dis Sci. 2013 Jun; 58(6):1676-82. PMID: 23589147.
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    45. Mathur R, Kim G, Morales W, Sung J, Rooks E, Pokkunuri V, Weitsman S, Barlow GM, Chang C, Pimentel M. Intestinal Methanobrevibacter smithii but not total bacteria is related to diet-induced weight gain in rats. Obesity (Silver Spring). 2013 Apr; 21(4):748-54. PMID: 23712978.
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    46. Pokkunuri V, Pimentel M, Morales W, Jee SR, Alpern J, Weitsman S, Marsh Z, Low K, Hwang L, Khoshini R, Barlow GM, Wang H, Chang C. Role of Cytolethal Distending Toxin in Altered Stool Form and Bowel Phenotypes in a Rat Model of Post-infectious Irritable Bowel Syndrome. J Neurogastroenterol Motil. 2012 Oct; 18(4):434-42. PMID: 23106005.
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    47. Sachdev AH, Pimentel M. Antibiotics for irritable bowel syndrome: rationale and current evidence. Curr Gastroenterol Rep. 2012 Oct; 14(5):439-45. PMID: 22945316.
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    48. Kim SE, Kubomoto S, Chua K, Amichai MM, Pimentel M. "Pre-cebo": an unrecognized issue in the interpretation of adequate relief during irritable bowel syndrome drug trials. J Clin Gastroenterol. 2012 Sep; 46(8):686-90. PMID: 22739219.
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    49. Ardila-Hani A, Arabyan M, Waxman A, Ih G, Berel D, Pimentel M, Conklin J, Soffer EE. Severity of dyspeptic symptoms correlates with delayed and early variables of gastric emptying. Dig Dis Sci. 2013 Feb; 58(2):478-87. PMID: 22918685.
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    50. Reinstein E, Pimentel M, Pariani M, Nemec S, Sokol T, Rimoin DL. Visceroptosis of the bowel in the hypermobility type of Ehlers-Danlos syndrome: presentation of a rare manifestation and review of the literature. Eur J Med Genet. 2012 Oct; 55(10):548-51. PMID: 22781752.
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    51. Porter CK, Cash BD, Pimentel M, Akinseye A, Riddle MS. Risk of inflammatory bowel disease following a diagnosis of irritable bowel syndrome. BMC Gastroenterol. 2012 May 28; 12:55. PMID: 22639930.
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    52. Kim G, Deepinder F, Morales W, Hwang L, Weitsman S, Chang C, Gunsalus R, Pimentel M. Methanobrevibacter smithii is the predominant methanogen in patients with constipation-predominant IBS and methane on breath. Dig Dis Sci. 2012 Dec; 57(12):3213-8. PMID: 22573345.
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    53. Shah E, Kim S, Chong K, Lembo A, Pimentel M. Evaluation of harm in the pharmacotherapy of irritable bowel syndrome. Am J Med. 2012 Apr; 125(4):381-93. PMID: 22444104.
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    54. Pyleris E, Giamarellos-Bourboulis EJ, Tzivras D, Koussoulas V, Barbatzas C, Pimentel M. The prevalence of overgrowth by aerobic bacteria in the small intestine by small bowel culture: relationship with irritable bowel syndrome. Dig Dis Sci. 2012 May; 57(5):1321-9. PMID: 22262197.
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    55. Basseri RJ, Basseri B, Pimentel M, Chong K, Youdim A, Low K, Hwang L, Soffer E, Chang C, Mathur R. Intestinal methane production in obese individuals is associated with a higher body mass index. Gastroenterol Hepatol (N Y). 2012 Jan; 8(1):22-8. PMID: 22347829.
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    56. Basseri RJ, Chong K, Chang C, Pimentel M. History of tonsillectomy is associated with irritable bowel syndrome. J Clin Gastroenterol. 2011 Nov-Dec; 45(10):912. PMID: 21857532.
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    57. Basseri RJ, Kunkel D, Low K, Conklin JL, Pimentel M. Importance of diarrhea in evaluating constipation in irritable bowel syndrome clinical studies. J Clin Gastroenterol. 2011 Oct; 45(9):790-3. PMID: 21301356.
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    58. Basseri RJ, Weitsman S, Barlow GM, Pimentel M. Antibiotics for the treatment of irritable bowel syndrome. Gastroenterol Hepatol (N Y). 2011 Jul; 7(7):455-93. PMID: 22298980.
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    59. Pimentel M, Morales W, Chua K, Barlow G, Weitsman S, Kim G, Amichai MM, Pokkunuri V, Rook E, Mathur R, Marsh Z. Effects of rifaximin treatment and retreatment in nonconstipated IBS subjects. Dig Dis Sci. 2011 Jul; 56(7):2067-72. PMID: 21559740.
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    60. Morales W, Pimentel M, Hwang L, Kunkel D, Pokkunuri V, Basseri B, Low K, Wang H, Conklin JL, Chang C. Acute and chronic histological changes of the small bowel secondary to C. jejuni infection in a rat model for post-infectious IBS. Dig Dis Sci. 2011 Sep; 56(9):2575-84. PMID: 21409374.
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    61. Pimentel M, Chang C. Inflammation and microflora. Gastroenterol Clin North Am. 2011 Mar; 40(1):69-85. PMID: 21333901.
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    62. Kunkel D, Basseri RJ, Makhani MD, Chong K, Chang C, Pimentel M. Methane on breath testing is associated with constipation: a systematic review and meta-analysis. Dig Dis Sci. 2011 Jun; 56(6):1612-8. PMID: 21286935.
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    63. Youn YH, Park JS, Jahng JH, Lim HC, Kim JH, Pimentel M, Park H, Lee SI. Relationships among the lactulose breath test, intestinal gas volume, and gastrointestinal symptoms in patients with irritable bowel syndrome. Dig Dis Sci. 2011 Jul; 56(7):2059-66. PMID: 21240630.
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    64. Pimentel M, Morales W, Jee SR, Low K, Hwang L, Pokkunuri V, Mirocha J, Conklin J, Chang C. Antibiotic prophylaxis prevents the development of a post-infectious phenotype in a new rat model of post-infectious IBS. Dig Dis Sci. 2011 Jul; 56(7):1962-6. PMID: 21222158.
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    65. Pimentel M, Lembo A, Chey WD, Zakko S, Ringel Y, Yu J, Mareya SM, Shaw AL, Bortey E, Forbes WP. Rifaximin therapy for patients with irritable bowel syndrome without constipation. N Engl J Med. 2011 Jan 06; 364(1):22-32. PMID: 21208106.
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    66. Makhani M, Yang J, Mirocha J, Low K, Pimentel M. Factor analysis demonstrates a symptom cluster related to methane and non-methane production in irritable bowel syndrome. J Clin Gastroenterol. 2011 Jan; 45(1):40-4. PMID: 20871407.
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    67. Basseri B, Pimentel M, Shaye OA, Low K, Soffer EE, Conklin JL. Apple sauce improves detection of esophageal motor dysfunction during high-resolution manometry evaluation of dysphagia. Dig Dis Sci. 2011 Jun; 56(6):1723-8. PMID: 21181443.
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    68. Basseri B, Conklin JL, Pimentel M, Tabrizi R, Phillips EH, Simsir SA, Chaux GE, Falk JA, Ghandehari S, Soukiasian HJ. Esophageal motor dysfunction and gastroesophageal reflux are prevalent in lung transplant candidates. Ann Thorac Surg. 2010 Nov; 90(5):1630-6. PMID: 20971278.
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    69. Yamini D, Pimentel M. Irritable bowel syndrome and small intestinal bacterial overgrowth. J Clin Gastroenterol. 2010 Nov-Dec; 44(10):672-5. PMID: 20838236.
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    70. Low K, Hwang L, Hua J, Zhu A, Morales W, Pimentel M. A combination of rifaximin and neomycin is most effective in treating irritable bowel syndrome patients with methane on lactulose breath test. J Clin Gastroenterol. 2010 Sep; 44(8):547-50. PMID: 19996983.
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    71. Jee SR, Morales W, Low K, Chang C, Zhu A, Pokkunuri V, Chatterjee S, Soffer E, Conklin JL, Pimentel M. ICC density predicts bacterial overgrowth in a rat model of post-infectious IBS. World J Gastroenterol. 2010 Aug 07; 16(29):3680-6. PMID: 20677340.
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    72. Law D, Conklin J, Pimentel M. Lactose intolerance and the role of the lactose breath test. Am J Gastroenterol. 2010 Aug; 105(8):1726-8. PMID: 20686460.
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    73. Pimentel M. The Treatment of Patients With Irritable Bowel Syndrome: Review of the Latest Data From the 2010 DDW Meeting. Gastroenterol Hepatol (N Y). 2010 Jul; 6(7):1-15. PMID: 20827361.
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    74. Pimentel M. An evidence-based treatment algorithm for IBS based on a bacterial/SIBO hypothesis: Part 2. Am J Gastroenterol. 2010 Jun; 105(6):1227-30. PMID: 20523308.
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    75. Herman J, Pokkunuri V, Braham L, Pimentel M. Gender distribution in irritable bowel syndrome is proportional to the severity of constipation relative to diarrhea. Gend Med. 2010 Jun; 7(3):240-6. PMID: 20638629.
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    76. Shah ED, Basseri RJ, Chong K, Pimentel M. Abnormal breath testing in IBS: a meta-analysis. Dig Dis Sci. 2010 Sep; 55(9):2441-9. PMID: 20467896.
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    77. Pimentel M. Evaluating a bacterial hypothesis in IBS using a modification of Koch's postulates: part 1. Am J Gastroenterol. 2010 Apr; 105(4):718-21. PMID: 20372119.
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    78. Law D, Pimentel M. Proton pump inhibitor therapy does not affect hydrogen production on lactulose breath test in subjects with IBS. Dig Dis Sci. 2010 Aug; 55(8):2302-8. PMID: 19834807.
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    79. Sahakian AB, Jee SR, Pimentel M. Methane and the gastrointestinal tract. Dig Dis Sci. 2010 Aug; 55(8):2135-43. PMID: 19830557.
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    80. Mathur R, Ko A, Hwang LJ, Low K, Azziz R, Pimentel M. Polycystic ovary syndrome is associated with an increased prevalence of irritable bowel syndrome. Dig Dis Sci. 2010 Apr; 55(4):1085-9. PMID: 19697132.
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    81. Jee SR, Pimentel M, Soffer E, Conklin JL. A high-resolution view of achalasia. J Clin Gastroenterol. 2009 Aug; 43(7):644-51. PMID: 19077727.
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    82. Pimentel M, Morales W, Lezcano S, Sun-Chuan D, Low K, Yang J. Low-dose nocturnal tegaserod or erythromycin delays symptom recurrence after treatment of irritable bowel syndrome based on presumed bacterial overgrowth. Gastroenterol Hepatol (N Y). 2009 Jun; 5(6):435-42. PMID: 20574504.
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    83. Hwang L, Low K, Khoshini R, Melmed G, Sahakian A, Makhani M, Pokkunuri V, Pimentel M. Evaluating breath methane as a diagnostic test for constipation-predominant IBS. Dig Dis Sci. 2010 Feb; 55(2):398-403. PMID: 19294509.
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    84. Pimentel M. Review of rifaximin as treatment for SIBO and IBS. Expert Opin Investig Drugs. 2009 Mar; 18(3):349-58. PMID: 19243285.
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    85. Pimentel M, Hwang L, Melmed GY, Low K, Vasiliauskas E, Ippoliti A, Yang J, Lezcano S, Conklin JL, Sahakian A. New clinical method for distinguishing D-IBS from other gastrointestinal conditions causing diarrhea: the LA/IBS diagnostic strategy. Dig Dis Sci. 2010 Jan; 55(1):145-9. PMID: 19169820.
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    86. Khoshini R, Dai SC, Lezcano S, Pimentel M. A systematic review of diagnostic tests for small intestinal bacterial overgrowth. Dig Dis Sci. 2008 Jun; 53(6):1443-54. PMID: 17990113.
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    87. Pimentel M, Chatterjee S, Chang C, Low K, Song Y, Liu C, Morales W, Ali L, Lezcano S, Conklin J, Finegold S. A new rat model links two contemporary theories in irritable bowel syndrome. Dig Dis Sci. 2008 Apr; 53(4):982-9. PMID: 17934822.
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    88. Pimentel M, Lezcano S. Irritable Bowel Syndrome: Bacterial Overgrowth--What's Known and What to Do. Curr Treat Options Gastroenterol. 2007 Aug; 10(4):328-37. PMID: 17761126.
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    89. Yang J, Lee HR, Low K, Chatterjee S, Pimentel M. Rifaximin versus other antibiotics in the primary treatment and retreatment of bacterial overgrowth in IBS. Dig Dis Sci. 2008 Jan; 53(1):169-74. PMID: 17520365.
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    90. Chatterjee S, Park S, Low K, Kong Y, Pimentel M. The degree of breath methane production in IBS correlates with the severity of constipation. Am J Gastroenterol. 2007 Apr; 102(4):837-41. PMID: 17397408.
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    91. Pimentel M, Cattano C, Christie J, Loewe C, Mohan V. Case studies of antibiotic therapy in the management of functional gastrointestinal disorders. Gastroenterol Hepatol (N Y). 2007 Jan; 3(1 Suppl 1):1-12. PMID: 21960770.
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    92. Nastaskin I, Mehdikhani E, Conklin J, Park S, Pimentel M. Studying the overlap between IBS and GERD: a systematic review of the literature. Dig Dis Sci. 2006 Dec; 51(12):2113-20. PMID: 17080246.
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    93. Pimentel M, Park S, Mirocha J, Kane SV, Kong Y. The effect of a nonabsorbed oral antibiotic (rifaximin) on the symptoms of the irritable bowel syndrome: a randomized trial. Ann Intern Med. 2006 Oct 17; 145(8):557-63. PMID: 17043337.
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    94. Lee HR, Pimentel M. Bacteria and irritable bowel syndrome: the evidence for small intestinal bacterial overgrowth. Curr Gastroenterol Rep. 2006 Aug; 8(4):305-11. PMID: 16836942.
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    95. Pimentel M, Chatterjee S, Chow EJ, Park S, Kong Y. Neomycin improves constipation-predominant irritable bowel syndrome in a fashion that is dependent on the presence of methane gas: subanalysis of a double-blind randomized controlled study. Dig Dis Sci. 2006 Aug; 51(8):1297-301. PMID: 16832617.
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    96. Pimentel M, Lin HC, Enayati P, van den Burg B, Lee HR, Chen JH, Park S, Kong Y, Conklin J. Methane, a gas produced by enteric bacteria, slows intestinal transit and augments small intestinal contractile activity. Am J Physiol Gastrointest Liver Physiol. 2006 Jun; 290(6):G1089-95. PMID: 16293652.
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    97. Lin HC, Prather C, Fisher RS, Meyer JH, Summers RW, Pimentel M, McCallum RW, Akkermans LM, Loening-Baucke V. Measurement of gastrointestinal transit. Dig Dis Sci. 2005 Jun; 50(6):989-1004. PMID: 15986844.
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    98. Lin HC, Pimentel M. Bacterial concepts in irritable bowel syndrome. Rev Gastroenterol Disord. 2005; 5 Suppl 3:S3-9. PMID: 17713456.
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    99. Pimentel M, Constantino T, Kong Y, Bajwa M, Rezaei A, Park S. A 14-day elemental diet is highly effective in normalizing the lactulose breath test. Dig Dis Sci. 2004 Jan; 49(1):73-7. PMID: 14992438.
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    100. Pimentel M, Kong Y, Park S. IBS subjects with methane on lactulose breath test have lower postprandial serotonin levels than subjects with hydrogen. Dig Dis Sci. 2004 Jan; 49(1):84-7. PMID: 14992440.
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    101. Pimentel M, Kong Y, Park S. Breath testing to evaluate lactose intolerance in irritable bowel syndrome correlates with lactulose testing and may not reflect true lactose malabsorption. Am J Gastroenterol. 2003 Dec; 98(12):2700-4. PMID: 14687820.
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    102. Pimentel M, Chow EJ, Lin HC. Normalization of lactulose breath testing correlates with symptom improvement in irritable bowel syndrome. a double-blind, randomized, placebo-controlled study. Am J Gastroenterol. 2003 Feb; 98(2):412-9. PMID: 12591062.
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    103. Pimentel M, Mayer AG, Park S, Chow EJ, Hasan A, Kong Y. Methane production during lactulose breath test is associated with gastrointestinal disease presentation. Dig Dis Sci. 2003 Jan; 48(1):86-92. PMID: 12645795.
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    104. Pimentel M, Soffer EE, Chow EJ, Kong Y, Lin HC. Lower frequency of MMC is found in IBS subjects with abnormal lactulose breath test, suggesting bacterial overgrowth. Dig Dis Sci. 2002 Dec; 47(12):2639-43. PMID: 12498278.
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    105. Pimentel M, Rossi F, Chow EJ, Ofman J, Fullerton S, Hassard P, Lin HC. Increased prevalence of irritable bowel syndrome in patients with gastroesophageal reflux. J Clin Gastroenterol. 2002 Mar; 34(3):221-4. PMID: 11873099.
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