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Gregory S. Sayuk, MD, MPH

Associate Professor, Medicine
Division of Gastroenterology
Associate Professor, Psychiatry

Specialty Areas

Gastrointestinal Disease
Gastrointestinal Oncology
Gastroenterology

Board Certifications

Internal Medicine
Gastroenterology

Hospital Affiliations

Barnes-Jewish Hospital

Areas of Clinical Interest

Gastroenterology, gastroesophageal reflux disease, acid peptic disorders, functional gastrointestinal disorder, swallowing disorders, irritable bowel syndrome

  • Maps & Directions
  • Education
  • Publication & Research

Maps & Directions

Maps & Directions

VA Medical Center: John Cochran Division

915 North Grand Boulevard
St. Louis, MO 63106

Office Phone: 314-747-2066

Education

Education

Fellowship: Gastroenterology, Barnes-Jewish Hospital, Washington University School of Medicine, St. Louis, Missouri 2006
Residency: Barnes-Jewish Hospital, Washington University School of Medicine, St. Louis, Missouri 2003
Medical Degree: University of Texas, Houston Medical School, Houston, Texas 2000
B.S.: The Pennsylvania State University, University Park, Pennsylvania 1996

Publication & Research

Publication & Research

Upper esophageal sphincter (UES) metrics on high-resolution manometry (HRM) differentiate achalasia subtypes.
Blais P, Patel A, Sayuk GS, Gyawali CP
Neurogastroenterol Motil. 2017 Jul 14; doi: 10.1111/nmo.13136.

PMID:
    28707402
    [PubMed - as supplied by publisher]
Related citations


Editorial: Functional Dyspepsia Treatment: Trials and Tribulations of Targeted Strategies.
Sayuk GS
Am J Gastroenterol. 2017 Jun; 112(6)910-912. doi: 10.1038/ajg.2017.121.

PMID:
    28572654
    [PubMed - in process]
Related citations


Do Consultants Follow Up on Tests They Recommend? Insights from an Academic Inpatient Gastrointestinal Consult Service.
Cassell BE, Walker T, Alghamdi S, Bill J, Blais P, Boutté H, Brown JW, Sayuk GS, Gyawali CP
Dig Dis Sci. 2017 Jun; 62(6)1448-1454. doi: 10.1007/s10620-017-4563-5.

PMID:
    28391419
    [PubMed - indexed for MEDLINE]
Related citations


Comparison of Symptoms, Healthcare Utilization, and Treatment in Diagnosed and Undiagnosed Individuals With Diarrhea-Predominant Irritable Bowel Syndrome.
Sayuk GS, Wolf R, Chang L
Am J Gastroenterol. 2017 Jun; 112(6)892-899. doi: 10.1038/ajg.2016.574.

PMID:
    28094313
    [PubMed - indexed for MEDLINE]
Related citations


Distal mean nocturnal baseline impedance on pH-impedance monitoring predicts reflux burden and symptomatic outcome in gastro-oesophageal reflux disease.
Patel A, Wang D, Sainani N, Sayuk GS, Gyawali CP
Aliment Pharmacol Ther. 2016 Oct; 44(8)890-8. doi: 10.1111/apt.13777.

PMID:
    27554638
    [PubMed - in process]
Related citations


Effects of disturbed sleep on gastrointestinal and somatic pain symptoms in irritable bowel syndrome.
Patel A, Hasak S, Cassell B, Ciorba MA, Vivio EE, Kumar M, Gyawali CP, Sayuk GS
Aliment Pharmacol Ther. 2016 Aug; 44(3)246-58. doi: 10.1111/apt.13677.

PMID:
    27240555
    [PubMed - in process]
Related citations


The impact of abuse and mood on bowel symptoms and health-related quality of life in irritable bowel syndrome (IBS).
Kanuri N, Cassell B, Bruce SE, White KS, Gott BM, Gyawali CP, Sayuk GS
Neurogastroenterol Motil. 2016 Oct; 28(10)1508-17. doi: 10.1111/nmo.12848.

PMID:
    27151081
    [PubMed - in process]
Related citations


Prevalence, characteristics, and treatment outcomes of reflux hypersensitivity detected on pH-impedance monitoring.
Patel A, Sayuk GS, Gyawali CP
Neurogastroenterol Motil. 2016 Sep; 28(9)1382-90. doi: 10.1111/nmo.12838.

PMID:
    27061427
    [PubMed - in process]
Related citations


The Reply.
Sayuk GS, Gyawali CP
Am J Med. 2016 Feb; 129(2)e41. doi: 10.1016/j.amjmed.2015.09.017.

PMID:
    26777617
    [PubMed - indexed for MEDLINE]
Related citations


GERD phenotypes from pH-impedance monitoring predict symptomatic outcomes on prospective evaluation.
Patel A, Sayuk GS, Kushnir VM, Chan WW, Gyawali CP
Neurogastroenterol Motil. 2016 Apr; 28(4)513-21. doi: 10.1111/nmo.12745.

PMID:
    26686239
    [PubMed - indexed for MEDLINE]
Related citations


No association between the common calcium-sensing receptor polymorphism rs1801725 and irritable bowel syndrome.
Romero P, Schmitteckert S, Wouters MM, Houghton LA, Czogalla B, Sayuk GS, Boeckxstaens GE, Guenther P, Holland-Cunz S, Niesler B
BMC Med Genet. 2015 Dec 11; 16110. doi: 10.1186/s12881-015-0256-0.

PMID:
    26654249
    [PubMed - indexed for MEDLINE]
Related citations


Correction: IDO1 and IDO2 Non-Synonymous Gene Variants: Correlation with Crohn's Disease Risk and Clinical Phenotype.
Lee A, Kanuri N, Zhang Y, Sayuk GS, Li E, Ciorba MA
PLoS One. 2015; 10(7)e0133098. doi: 10.1371/journal.pone.0133098.

PMID:
    26173109
    [PubMed]
Related citations


Corrigendum: Impact of Retroflexion Vs. Second Forward View Examination of the Right Colon on Adenoma Detection: A Comparison Study.
Kushnir VM, Oh YS, Hollander T, Chen CH, Sayuk GS, Davidson N, Mullady D, Murad FM, Sharabash NM, Ruettgers E, Dassopoulos T, Easler JJ, Gyawali CP, Edmundowicz SA, Early DS
Am J Gastroenterol. 2015 Jun; 110(6)942. doi: 10.1038/ajg.2015.144.

PMID:
    26052780
    [PubMed]
Related citations


Diagnosis of Esophageal Motility Disorders: Esophageal Pressure Topography vs. Conventional Line Tracing.
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
Am J Gastroenterol. 2015 Jul; 110(7)967-77; quiz 978. doi: 10.1038/ajg.2015.159.

PMID:
    26032151
    [PubMed - indexed for MEDLINE]
Related citations


Achalasia symptom response after Heller myotomy segregated by high-resolution manometry subtypes.
Patel A, Patel A, Mirza FA, Soudagar S, Sayuk GS, Gyawali CP
J Gastroenterol. 2016 Feb; 51(2)112-8. doi: 10.1007/s00535-015-1088-6.

PMID:
    26002107
    [PubMed - indexed for MEDLINE]
Related citations


Beliefs about GI medications and adherence to pharmacotherapy in functional GI disorder outpatients.
Cassell B, Gyawali CP, Kushnir VM, Gott BM, Nix BD, Sayuk GS
Am J Gastroenterol. 2015 Oct; 110(10)1382-7. doi: 10.1038/ajg.2015.132.

PMID:
    25916226
    [PubMed - indexed for MEDLINE]
Related citations


Patient preferences of a resect and discard paradigm.
Vu HT, Sayuk GS, Gupta N, Hollander T, Kim A, Early DS
Gastrointest Endosc. 2015 Aug; 82(2)381-384.e1. doi: 10.1016/j.gie.2015.01.042.

PMID:
    25910663
    [PubMed - indexed for MEDLINE]
Related citations


A meta-analysis of immunogenetic Case-Control Association Studies in irritable bowel syndrome.
Czogalla B, Schmitteckert S, Houghton LA, Sayuk GS, Camilleri M, Olivo-Diaz A, Spiller R, Wouters MM, Boeckxstaens G, Bermejo JL, Niesler B
Neurogastroenterol Motil. 2015 May; 27(5)717-27. doi: 10.1111/nmo.12548.

PMID:
    25824902
    [PubMed - indexed for MEDLINE]
Related citations


Impact of retroflexion vs. second forward view examination of the right colon on adenoma detection: a comparison study.
Kushnir VM, Oh YS, Hollander T, Chen CH, Sayuk GS, Davidson N, Mullady D, Murad FM, Sharabash NM, Ruettgers E, Dassopoulos T, Easler JJ, Gyawali CP, Edmundowicz SA, Early DS
Am J Gastroenterol. 2015 Mar; 110(3)415-22. doi: 10.1038/ajg.2015.21.

PMID:
    25732415
    [PubMed - indexed for MEDLINE]
Related citations


Irritable bowel syndrome: modern concepts and management options.
Sayuk GS, Gyawali CP
Am J Med. 2015 Aug; 128(8)817-27. doi: 10.1016/j.amjmed.2015.01.036.

PMID:
    25731138
    [PubMed - indexed for MEDLINE]
Related citations

Areas of Research Interest

Functional GI disorders/irritable bowel syndrome