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Cynthia W. Ko, MD, MS
Associate Professor & GI Section Chief, UW Medical Center, Associate Fellowship Program Director
Biography

Dr. Ko is a general gastroenterologist with interests in cancer screening and prevention, providing high quality care for patients with digestive health concerns and gastrointestinal endoscopy.

Recent Publications
Displaying 20 Most Recent Publications from PubMed

August 2018. Relationships of Microbiome Markers With Extraintestinal, Psychological Distress and Gastrointestinal Symptoms, and Quality of Life in Women With Irritable Bowel Syndrome. Hollister EB, Cain KC, Shulman RJ, Jarrett ME, Burr RL, Ko C, Zia J, Han CJ, Heitkemper MM. J Clin Gastroenterol. 2018 Aug 24. doi: 10.1097/MCG.0000000000001107. [Epub ahead of print]

February 2018. Colonoscopy risks - what is known and what are the next steps? Ko CW. Gastroenterology. 2018 Feb;154(3):473-475. doi: 10.1053/j.gastro.2018.01.010. Epub 2018 Jan 11.

April 2017. Inflammatory Bowel Disease (IBD) pharmacotherapy and the risk of serious infection: a systematic review and network meta-analysis. Wheat CL, Ko CW, Clark-Snustad K, Grembowski D, Thornton TA, Devine B. BMC Gastroenterol. 2017 Apr 14;17(1):52. doi: 10.1186/s12876-017-0602-0.

September 2016. Temporal Trends in Geographic and Sociodemographic Disparities in Colorectal Cancer Among Medicare Patients, 1973-2010. Liang PS, Mayer JD, Wakefield J, Ko CW. J Rural Health. 2017 Sep;33(4):361-370. doi: 10.1111/jrh.12209. Epub 2016 Aug 31.

July 2016. Gallstones: new insights into an old story. Tiderington E, Lee SP, Ko CW. F1000Res. 2016 Jul 26;5. pii: F1000 Faculty Rev-1817. doi: 10.12688/f1000research.8874.1. eCollection 2016. Review.

May 2016. Worldwide Incidence of Colorectal Cancer, Leukemia, and Lymphoma in Inflammatory Bowel Disease: An Updated Systematic Review and Meta-Analysis. Wheat CL, Clark-Snustad K, Devine B, Grembowski D, Thornton TA, Ko CW. Gastroenterol Res Pract. 2016;2016:1632439. doi: 10.1155/2016/1632439. Epub 2016 May 16. Review.

April 2016. Gallstones. Lammert F, Gurusamy K, Ko CW, Miquel JF, Méndez-Sánchez N, Portincasa P, van Erpecum KJ, van Laarhoven CJ, Wang DQ. Nat Rev Dis Prim. 2016 Apr 28;2:16024. doi: 10.1038/nrdp.2016.24.

March 2015. National Institutes of Health Consensus Development Project on Criteria for Clinical Trials in Chronic Graft-versus-Host Disease: I. The 2014 Diagnosis and Staging Working Group Report. Jagasia MH, Greinix HT, Arora M, Williams KM, Wolff D, Cowen EW, Palmer J, Weisdorf D, Treister NS, Cheng G, Kerr H, Stratton P, Duarte RF, McDonald GB, Inamoto Y, Vigorito A, Arai S, Datiles MB, Jacobsohn D, Heller T, Kitko CL, Mitchell SA, Martin PJ, Shulman H, Wu RS, Cutler CS, Vogelsang GB, Lee SJ, Pavletic SZ, Flowers ME. Biol Blood Marrow Transplant. 2015 Mar;21(3):389-401.e1. doi: 10.1016/j.bbmt.2014.12.001. Epub 2014 Dec 18.

January 2015. Dietary Fat and Protein Intake Are Not Associated With Incident Biliary Sludge and Stones During Pregnancy. Mathew LK, Ko C. JPEN J Parenter Enteral Nutr. 2015 Jan;39(1):124-8. doi: 10.1177/0148607113520184. Epub 2014 Jan 17.

April 2014. Determination of Colonoscopy Indication From Administrative Claims Data. Ko CW, Dominitz JA, Neradilek M, Polissar N, Green P, Kreuter W, Baldwin LM. Med Care. 2014 Apr;52(4):e21-9. doi: 10.1097/MLR.0b013e31824ebdf5.

January 2014. Physical Activity, Maternal Metabolic Measures, and the Incidence of Gallbladder Sludge or Stones during Pregnancy: A Randomized Trial. Ko CW, Napolitano PG, Lee SP, Schulte SD, Ciol MA, Beresford SA. Am J Perinatol. 2014 Jan;31(1):39-48. doi: 10.1055/s-0033-1334455. Epub 2013 Mar 1.

September 2013. Carbohydrate Intake as a Risk Factor for Biliary Sludge and Stones During Pregnancy. Wong AC, Ko CW. J Clin Gastroenterol. 2013 Sep;47(8):700-5. doi: 10.1097/MCG.0b013e318286fdb0.

February 2013. Regional Variation in Anesthesia Assistance During Outpatient Colonoscopy Is Not Associated With Differences in Polyp Detection or Complication Rates. Dominitz JA, Baldwin LM, Green P, Kreuter W, Ko CW. Gastroenterology. 2013 Feb;144(2):298-306. doi: 10.1053/j.gastro.2012.10.038. Epub 2012 Oct 25.

December 2012. Prospective study of the progression of low-grade dysplasia in ulcerative colitis using current cancer surveillance guidelines. Zisman TL, Bronner MP, Rulyak S, Kowdley KV, Saunders M, Lee SD, Ko C, Kimmey MB, Stevens A, Maurer J, Brentnall TA. Inflamm Bowel Dis. 2012 Dec;18(12):2240-6. doi: 10.1002/ibd.22912. Epub 2012 Apr 16.

August 2012. Nausea, vomiting, and heartburn in pregnancy: a prospective look at risk, treatment, and outcome. Naumann CR, Zelig C, Napolitano PG, Ko CW. J Matern Fetal Neonatal Med. 2012 Aug;25(8):1488-93. doi: 10.3109/14767058.2011.644363. Epub 2012 Jan 4.

April 2012. Nonparticipation in a population-based trial to increase colorectal cancer screening. Green BB, Bogart A, Chubak J, Vernon SW, Morales LS, Meenan RT, Laing SS, Fuller S, Ko C, Wang CY. Am J Prev Med. 2012 Apr;42(4):390-7.

September 2011. Will colon capsule endoscopy replace screening colonoscopy? Dominitz JA, Ko CW. Gastrointest Endosc. 2011 Sep;74(3):590-2.

March 2011. Accuracy of Medicare claims for identifying findings and procedures performed during colonoscopy. Ko CW, Dominitz JA, Green P, Kreuter W, Baldwin LM. Gastrointest Endosc. 2011 Mar;73(3):447-453.e1. Epub 2010 Oct 15.

December 2010. Infectious diseases and the gallbladder. Julka K, Ko CW. Infect Dis Clin North Am. 2010 Dec;24(4):885-98, vii-viii.

December 2010. Utilization and Predictors of Early Repeat Colonoscopy in Medicare Beneficiaries. Ko CW, Dominitz JA, Green P, Kreuter W, Baldwin LM. Am J Gastroenterol. 2010 Dec;105(12):2670-9. Epub 2010 Aug 24.

November 2010. Systems of support to increase colorectal cancer screening and follow-up rates (SOS): Design, challenges, and baseline characteristics of trial participants. Green BB, Wang CY, Horner K, Catz S, Meenan RT, Vernon SW, Carrell D, Chubak J, Ko C, Laing S, Bogart A. Contemp Clin Trials. 2010 Nov;31(6):589-603. doi: 10.1016/j.cct.2010.07.012. Epub 2010 Jul 30.

October 2010. Complications of colonoscopy: magnitude and management. Ko CW, Dominitz JA. Gastrointest Endosc Clin N Am. 2010 Oct;20(4):659-71.

June 2010. Preface: Gallbladder disease. Ko CW. Gastroenterol Clin North Am. 2010 Jun;39(2):xiii.

June 2010. Specialty differences in polyp detection, removal, and biopsy during colonoscopy. Ko CW, Dominitz JA, Green P, Kreuter W, Baldwin LM. Am J Med. 2010 Jun;123(6):528-35.

February 2010. Serious complications within 30 days of screening and surveillance colonoscopy are uncommon. Ko CW, Riffle S, Michaels L, Morris C, Holub J, Shapiro JA, Ciol MA, Kimmey MB, Seeff LC, Lieberman D. Clin Gastroenterol Hepatol. 2010 Feb;8(2):166-73. Epub 2009 Oct 20.

September 2009. Effectiveness of a provider reminder on fecal occult blood test follow-up. Larson MF, Ko CW, Dominitz JA Dig Dis Sci. 2009 Sep;54(9):1991-6. Epub 2009 Mar 3

April 2008. Complications after ERCP in patients with primary sclerosing cholangitis. Etzel JP, Eng SC, Ko CW, Lee SD, Saunders MD, Tung BY, Kimmey MB, Kowdley KV Gastrointest Endosc. 2008 Apr;67(4):643-648. Epub 2007 Dec 3

February 2008. Magnesium: does a mineral prevent gallstones? Ko CW Am J Gastroenterol. 2008 Feb;103(2):383-5

January 2008. Insulin resistance and incident gallbladder disease in pregnancy. Ko CW, Beresford SA, Schulte SJ, Lee SP Clin Gastroenterol Hepatol. 2008 Jan;6(1):76-81. Epub 2007 Dec 11

December 2007. Prevalence of hepatic iron overload and association with hepatocellular cancer in end-stage liver disease: results from the National Hemochromatosis Transplant Registry. Ko C, Siddaiah N, Berger J, Gish R, Brandhagen D, Sterling RK, Cotler SJ, Fontana RJ, McCashland TM, Han SH, Gordon FD, Schilsky ML, Kowdley KV. Liver Int. 2007 Dec;27(10):1394-401. Epub 2007 Oct 9.

Contact Info
Education

M.D., Stanford University, Stanford, CA

M.S., Epidemiology, University of Washington, Seattle, WA

Residency in Medicine, Stanford University, Stanford, CA

Fellowship in Gastroenterology, University of Washington, Seattle, WA

Robert Wood Johnson Clinical Scholars Program, University of Washington, Seattle, WA

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