C W Ko

Summary

Affiliation: University of Washington
Country: USA

Publications

  1. ncbi request reprint Apolipoprotein E genotype and the risk of gallbladder disease in pregnancy
    C W Ko
    Department of Medicine, University of Washington, Seattle, WA 98195, USA
    Hepatology 31:18-23. 2000
  2. ncbi request reprint Incidence, natural history, and risk factors for biliary sludge and stones during pregnancy
    Cynthia W Ko
    Department of Medicine, University of Washington, Seattle 98195, USA
    Hepatology 41:359-65. 2005
  3. pmc Persistent demographic differences in colorectal cancer screening utilization despite Medicare reimbursement
    Cynthia W Ko
    Department of Medicine, Division of Gastroenterology, Box 356424, University of Washington, Seattle, Washington, USA
    BMC Gastroenterol 5:10. 2005
  4. pmc Accuracy of Medicare claims for identifying findings and procedures performed during colonoscopy
    Cynthia W Ko
    Department of Medicine, University of Washington, Seattle, Washington, USA
    Gastrointest Endosc 73:447-453.e1. 2011
  5. ncbi request reprint Comparing risks and benefits of colorectal cancer screening in elderly patients
    Cynthia W Ko
    Department of Medicine, University of Washington, Seattle, 98195, USA
    Gastroenterology 129:1163-70. 2005
  6. ncbi request reprint Biliary sludge and acute pancreatitis during pregnancy
    Cynthia Ko
    Division of Gastroenterology, Department of Medicine, University of Washington, Seattle, WA 98195, USA
    Nat Clin Pract Gastroenterol Hepatol 3:53-7; quiz following 57. 2006
  7. pmc Insulin resistance and incident gallbladder disease in pregnancy
    Cynthia W Ko
    Department of Medicine, University of Washington, Seattle, Washington 98195, USA
    Clin Gastroenterol Hepatol 6:76-81. 2008
  8. pmc Serious complications within 30 days of screening and surveillance colonoscopy are uncommon
    Cynthia W Ko
    University of Washington, Seattle, Washington 98195, USA
    Clin Gastroenterol Hepatol 8:166-73. 2010
  9. doi request reprint Specialty differences in polyp detection, removal, and biopsy during colonoscopy
    Cynthia W Ko
    Department of Medicine, University of Washington, Seattle, WA 98195, USA
    Am J Med 123:528-35. 2010
  10. doi request reprint Utilization and predictors of early repeat colonoscopy in Medicare beneficiaries
    Cynthia W Ko
    Department of Medicine, University of Washington, Seattle, Washington 98195, USA
    Am J Gastroenterol 105:2670-9. 2010

Collaborators

Detail Information

Publications32

  1. ncbi request reprint Apolipoprotein E genotype and the risk of gallbladder disease in pregnancy
    C W Ko
    Department of Medicine, University of Washington, Seattle, WA 98195, USA
    Hepatology 31:18-23. 2000
    ..However, an effect could not be ruled out in certain subgroups, such as blacks or women who are homozygous for apoE4...
  2. ncbi request reprint Incidence, natural history, and risk factors for biliary sludge and stones during pregnancy
    Cynthia W Ko
    Department of Medicine, University of Washington, Seattle 98195, USA
    Hepatology 41:359-65. 2005
    ..Prepregnancy obesity and serum leptin are strong risk factors for pregnancy-associated gallbladder disease...
  3. pmc Persistent demographic differences in colorectal cancer screening utilization despite Medicare reimbursement
    Cynthia W Ko
    Department of Medicine, Division of Gastroenterology, Box 356424, University of Washington, Seattle, Washington, USA
    BMC Gastroenterol 5:10. 2005
    ..In addition, significant demographic differences in screening utilization exist. Insurance coverage may be one factor influencing utilization of colorectal cancer screening tests...
  4. pmc Accuracy of Medicare claims for identifying findings and procedures performed during colonoscopy
    Cynthia W Ko
    Department of Medicine, University of Washington, Seattle, Washington, USA
    Gastrointest Endosc 73:447-453.e1. 2011
    ..Administrative claims data are frequently used for quality measurement...
  5. ncbi request reprint Comparing risks and benefits of colorectal cancer screening in elderly patients
    Cynthia W Ko
    Department of Medicine, University of Washington, Seattle, 98195, USA
    Gastroenterology 129:1163-70. 2005
    ..The aim of this study was to quantify risks and benefits of different screening strategies in elderly patients with varying life expectancies...
  6. ncbi request reprint Biliary sludge and acute pancreatitis during pregnancy
    Cynthia Ko
    Division of Gastroenterology, Department of Medicine, University of Washington, Seattle, WA 98195, USA
    Nat Clin Pract Gastroenterol Hepatol 3:53-7; quiz following 57. 2006
    ..Laboratory tests revealed elevated serum amylase and lipase levels. Ultrasonography demonstrated gallbladder sludge without gallstones, gallbladder wall thickening, or bile-duct dilatation...
  7. pmc Insulin resistance and incident gallbladder disease in pregnancy
    Cynthia W Ko
    Department of Medicine, University of Washington, Seattle, Washington 98195, USA
    Clin Gastroenterol Hepatol 6:76-81. 2008
    ..Insulin resistance is associated with prevalent gallstones, but its effect on initial gallstone formation is not well-understood...
  8. pmc Serious complications within 30 days of screening and surveillance colonoscopy are uncommon
    Cynthia W Ko
    University of Washington, Seattle, Washington 98195, USA
    Clin Gastroenterol Hepatol 8:166-73. 2010
    ..We evaluated the incidence of serious complications within 30 days after screening or surveillance colonoscopies in diverse clinical settings and sought to identify potential risk factors for complications...
  9. doi request reprint Specialty differences in polyp detection, removal, and biopsy during colonoscopy
    Cynthia W Ko
    Department of Medicine, University of Washington, Seattle, WA 98195, USA
    Am J Med 123:528-35. 2010
    ..Colonoscopy is a technically complex procedure commonly performed to detect and remove colorectal pathology. This study examined the influence of provider characteristics on polyp detection, polyp removal, and diagnostic biopsy rates...
  10. doi request reprint Utilization and predictors of early repeat colonoscopy in Medicare beneficiaries
    Cynthia W Ko
    Department of Medicine, University of Washington, Seattle, Washington 98195, USA
    Am J Gastroenterol 105:2670-9. 2010
    ..The aims of this study were to examine the use of second colonoscopy within 1 year of an index colonoscopy, and to examine patient and provider factors associated with use of early repeat colonoscopy...
  11. ncbi request reprint Fecal occult blood testing in a general medical clinic: comparison between guaiac-based and immunochemical-based tests
    Cynthia W Ko
    Department of Medicine, University of Washington, Seattle, Washington, USA
    Am J Med 115:111-4. 2003
    ..Newer immunochemical-based tests are designed to improve accuracy and patient compliance. We compared patient compliance and the test characteristics of these two types of tests...
  12. ncbi request reprint Effect of Medicare coverage on use of invasive colorectal cancer screening tests
    Cynthia W Ko
    Division of Gastroenterology, University of Washington, Box 356424, Seattle, WA 98195, USA
    Arch Intern Med 162:2581-6. 2002
    ..Screening for colorectal cancer is now widely recommended but underused. Lack of insurance coverage for screening tests may be one reason patients do not undergo these procedures...
  13. pmc Cost-effectiveness of strategies for primary prevention of nonsteroidal anti-inflammatory drug-induced peptic ulcer disease
    C W Ko
    Department of Medicine, University of Washington, Seattle 98195 6424, USA
    J Gen Intern Med 15:400-10. 2000
    ..This study examined the relative cost-effectiveness of different strategies for the primary prevention of NSAID-induced ulcers in patients that are starting NSAID treatment...
  14. ncbi request reprint Graft loss due to recurrent focal segmental glomerulosclerosis in renal transplant recipients in the United States
    K C Abbott
    Nephrology and Organ Transplant Service, Walter Reed Army Medical Center, Washington, DC, USA
    Am J Kidney Dis 37:366-73. 2001
    ..This is a US government work. There are no restrictions on its use...
  15. ncbi request reprint Is blood the ideal submucosal cushioning agent? A comparative study in a porcine model
    S A Giday
    Division of Gastroenterology, Johns Hopkins Hospital, Baltimore, MD 21205, USA
    Endoscopy 38:1230-4. 2006
    ..Creation of a submucosal cushion before endoscopic mucosal resection (EMR) significantly reduces perforation risk. We evaluated six solutions as cushioning agents in live pigs...
  16. ncbi request reprint Hospitalizations for fractures after renal transplantation in the United States
    K C Abbott
    Nephrology Service, Walter Reed Army Medical Center, Washington, DC 20307, USA
    Ann Epidemiol 11:450-7. 2001
    ..To investigate the incidence, risk factors, and associated mortality of fractures in renal transplant recipients...
  17. ncbi request reprint Hospitalizations for bacterial septicemia after renal transplantation in the united states
    K C Abbott
    Nephrology Service, Walter Reed Army Medical Center, Washington, DC 20307 5001, USA
    Am J Nephrol 21:120-7. 2001
    ..It is common belief in the transplant community that rates of septicemia in transplant recipients have declined, but this has not been studied in a national population...
  18. ncbi request reprint Hospitalizations for bacterial endocarditis after renal transplantation in the United States
    K C Abbott
    Nephrology Service, Walter Reed Army Medical Center, Washington, DC 20307 5001, USA
    J Nephrol 14:353-60. 2001
    ..The national rate of and risk factors for bacterial endocarditis in renal transplant recipients has not been reported...
  19. doi request reprint Endoscopic retrograde cholangiopancreatography, but not esophagogastroduodenoscopy or colonoscopy, significantly increases portal venous pressure: direct portal pressure measurements through endoscopic ultrasound-guided cannulation
    J M Buscaglia
    Department of Medicine, Division of Gastroenterology, Johns Hopkins Hospital, Baltimore, Maryland 21205, USA
    Endoscopy 40:670-4. 2008
    ..The aims of this study were to assess the effect of esophagogastroduodenoscopy (EGD), colonoscopy, and endoscopic retrograde cholangiopancreatography (ERCP) on portal vein, inferior vena cava (IVC), and systemic pressures...
  20. ncbi request reprint Gastrointestinal disorders of the critically ill. Biliary sludge and cholecystitis
    Cynthia W Ko
    Division of Gastroenterology, Department of Medicine, University of Washington, Box 356424, Seattle, WA 98195, USA
    Best Pract Res Clin Gastroenterol 17:383-96. 2003
    ..For many patients, percutaneous cholecystostomy may be the best management option. Cholecystostomy may also provide definitive drainage as patients recover and underlying critical illness resolves...
  21. ncbi request reprint Incidence of minor complications and time lost from normal activities after screening or surveillance colonoscopy
    Cynthia W Ko
    Department of Medicine, University of Washington, Seattle, WA 98195, USA
    Gastrointest Endosc 65:648-56. 2007
    ..Few studies address the development of minor complications after screening or surveillance colonoscopy...
  22. ncbi request reprint Physician specialty and the outcomes and cost of admissions for end-stage liver disease
    C W Ko
    Department of Medicine, University of Washington, Seattle 98195, USA
    Am J Gastroenterol 96:3411-8. 2001
    ..Hospital costs were similar for patients cared for by the different physician groups...
  23. ncbi request reprint Effectiveness of a provider reminder on fecal occult blood test follow-up
    Meaghan F Larson
    VA Puget Sound Health Care System, Seattle, WA, USA
    Dig Dis Sci 54:1991-6. 2009
    ..To determine the impact of an electronic reminder upon the timeliness and proportion of patients referred for evaluation of a positive fecal occult blood test and receipt of colonoscopy...
  24. ncbi request reprint Complications after ERCP in patients with primary sclerosing cholangitis
    Jason P Etzel
    Department of Medicine, University of Washington Medical Center, Seattle, Washington, USA
    Gastrointest Endosc 67:643-8. 2008
    ..There are conflicting data regarding the role of ERCP in patients with primary sclerosing cholangitis (PSC) and the risk of procedure-related complications...
  25. ncbi request reprint Biliary sludge is formed by modification of hepatic bile by the gallbladder mucosa
    Cynthia W Ko
    Department of Medicine, Veterans Affairs Medical Center, Seattle, Washington, USA
    Clin Gastroenterol Hepatol 3:672-8. 2005
    ..We compared the merits of different methods (ultrasonography and microscopy) and sources (hepatic or gallbladder) of bile samples for diagnosing microlithiasis...
  26. ncbi request reprint Risk factors for gallstone-related hospitalization during pregnancy and the postpartum
    Cynthia W Ko
    Department of Medicine, University of Washington, Seattle, Washington 98195, USA
    Am J Gastroenterol 101:2263-8. 2006
    ..The aim of this study was to define the incidence and risk factors for postpartum hospitalization as a result of gallstone-related disease...
  27. ncbi request reprint The utility of contrast-enhanced endoscopic ultrasound in monitoring ethanol-induced pancreatic tissue ablation: a pilot study in a porcine model
    S A Giday
    Department of Medicine, Division of Gastroenterology, Johns Hopkins Hospital, Baltimore, Maryland 21205, USA
    Endoscopy 39:525-9. 2007
    ..The aim of our study was to evaluate local effects of intrapancreatic alcohol injection and the utility of contrast-enhanced endoscopic ultrasound (EUS) for its monitoring in a porcine model...
  28. ncbi request reprint Impact of HIV seropositivity on graft and patient survival after cadaveric renal transplantation in the United States in the pre highly active antiretroviral therapy (HAART) era: an historical cohort analysis of the United States Renal Data System
    S J Swanson
    Nephrology Service, Walter Reed Army Medical Center, Washington, DC 20307 5001, USA
    Transpl Infect Dis 4:144-7. 2002
    ....
  29. ncbi request reprint Epidemiology and natural history of common bile duct stones and prediction of disease
    Cynthia W Ko
    Department of Medicine, Division of Gastroenterology, University of Washington, Seattle, Washington, USA
    Gastrointest Endosc 56:S165-9. 2002
  30. ncbi request reprint Clinical correlation of toxin and common antigen enzyme immunoassay testing in patients with Clostridium difficile disease
    Scott D Lee
    Department of Medicine, University of Washington School of Medicine, Seattle, Washington, USA
    Am J Gastroenterol 98:1569-72. 2003
    ..The aim of the present study was to assess the correlation of Triage Micro Clostridium difficile Panel and toxin B cytotoxicity assay with the clinical diagnosis of C. difficile diarrhea...
  31. ncbi request reprint Magnesium: does a mineral prevent gallstones?
    Cynthia W Ko
    Am J Gastroenterol 103:383-5. 2008
    ..Understanding the role of a healthy diet in gallstone-related diseases, including a diet high in magnesium, may lead to new preventive measures...
  32. ncbi request reprint Dietary carbohydrates and gallstones: is there a link?
    Cynthia W Ko
    Gastroenterology 129:373-5. 2005

Research Grants6

  1. A Primary-Care Based Colorectal Cancer Screening Program
    Cynthia Ko; Fiscal Year: 2006
    ..If successful, this program may be useful to other large primary care practices, and may also help to improve utilization of other types of cancer prevention services ..
  2. Epidemiology of hepatocellular carcinoma
    Cynthia Ko; Fiscal Year: 2006
    ....
  3. Colonoscopy quality and outcomes in clinical practice
    Cynthia Ko; Fiscal Year: 2009
    ..The various algorithms we develop will be tested in a second, validation subset of our database to find the algorithm with optimal performance characteristics. ..
  4. Colonoscopy quality and outcomes in clinical practice
    Cynthia W Ko; Fiscal Year: 2010
    ..The various algorithms we develop will be tested in a second, validation subset of our database to find the algorithm with optimal performance characteristics. ..