Fernando Velayos, MD

Title(s)Volunteer Clinical Professor, Medicine
SchoolSchool of Medicine
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    Collapse Biography 
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    University of California, San FranciscoM.D.1996 Medicine
    University of California, San Francisco Residency School of 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. to make corrections and additions.
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    Altmetrics Details PMC Citations indicate the number of times the publication was cited by articles in PubMed Central, and the Altmetric score represents citations in news articles and social media. (Note that publications are often cited in additional ways that are not shown here.) Fields are based on how the National Library of Medicine (NLM) classifies the publication's journal and might not represent the specific topic of the publication. Translation tags are based on the publication type and the MeSH terms NLM assigns to the publication. Some publications (especially newer ones and publications not in PubMed) might not yet be assigned Field or Translation tags.) Click a Field or Translation tag to filter the publications.
    1. Extended Monitoring for Transition to Oral Corticosteroids in Acute Severe Ulcerative Colitis May Be Unnecessarily Prolonging Length of Stay. Dig Dis Sci. 2024 Dec; 69(12):4357-4363. Ear S, Cordero J, McConnell R, Velayos F, Mahadevan U, Lewin S. PMID: 39495414; PMCID: PMC11602856.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    2. Opioid Use and Outcomes in Patients Hospitalized With Acute Severe Ulcerative Colitis. Inflamm Bowel Dis. 2024 Sep 18. Karlovich N, McConnell R, Velayos F, Mahadevan U, Lewin S. PMID: 39295282.
      View in: PubMed   Mentions:    Fields:    
    3. Psychiatric Diagnoses, Medication, and Service Use Among Patients Who Receive Emergency Care for Inflammatory Bowel Diseases. Inflamm Bowel Dis. 2024 09 03; 30(9):1619-1622. He JZ, Hirschtritt ME, Wei J, Ramalingam ND, Kahane SM, Velayos FS, Hassid BG. PMID: 37665778.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    4. Shot Heard Around the World? Subcutaneous Infliximab as Maintenance Therapy for Inflammatory Bowel Disease. Gastroenterology. 2024 Oct; 167(5):841-842. Mulanax C, Velayos FS. PMID: 39002762.
      View in: PubMed   Mentions:    Fields:    
    5. A Response-able Diagnosis: Type 2 Autoimmune Pancreatitis in the Setting of Ulcerative Colitis. Dig Dis Sci. 2024 Jun; 69(6):1934-1938. Kane K, Velayos FS, Lee JK, Cherny S, Karia K. PMID: 38637453.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    6. Randomized Trial of Patient Outreach Approaches to De-implement Outdated Colonoscopy Surveillance Intervals. Clin Gastroenterol Hepatol. 2024 Jun; 22(6):1315-1322.e7. Lee JK, Koripella PC, Jensen CD, Merchant SA, Fox JM, Chang SX, Dang CH, Velayos FS, Boparai ES, Evans NS, Leung LJ, Badalov JM, Quesenberry CP, Corley DA, Levin TR. PMID: 38191014.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    7. AGA Clinical Practice Guideline on the Role of Biomarkers for the Management of Crohn's Disease. Gastroenterology. 2023 12; 165(6):1367-1399. Ananthakrishnan AN, Adler J, Chachu KA, Nguyen NH, Siddique SM, Weiss JM, Sultan S, Velayos FS, Cohen BL, Singh S, AGA Clinical Guidelines Committee. Electronic address: clinicalpractice@gastro.org. PMID: 37981354.
      View in: PubMed   Mentions: 10     Fields:    Translation:Humans
    8. Risk factors for recurrent emergency care utilization for flares in inflammatory bowel disease. Acad Emerg Med. 2024 01; 31(1):28-35. Hassid BG, Wei J, Sax D, Velayos FS. PMID: 37876120.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    9. Common Instances of Low-value Care in Inflammatory Bowel Diseases. Clin Gastroenterol Hepatol. 2024 May; 22(5):923-932. Singh S, Velayos FS, Rubin DT. PMID: 37879517.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    10. Editorial: Pip pip to PIP's (post-inflammatory polyps) as a neoplasia risk factor in IBD? Aliment Pharmacol Ther. 2023 08; 58(3):361-362. Velayos FS. PMID: 37452585.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    11. The Contemporary Probability of Occult Colorectal Cancer in Patients With Colitis-Related Dysplasia Undergoing Colectomy. Am J Gastroenterol. 2023 08 01; 118(8):1453-1456. Boparai ES, Lee JK, Zhu S, Shirazi A, Velayos FS. PMID: 37040554.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    12. Increased Risk of Hospitalization, Surgery, and Venous Thromboembolism Among Patients With Inflammatory Bowel Disease and Malnutrition in a Large, Community-Based Health Care System. Am J Gastroenterol. 2023 08 01; 118(8):1395-1401. Fine LS, Zhu S, Shirazi A, Lee JK, Velayos FS. PMID: 36892512.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    13. Rise over Runs: Elevated Creatinine and a New Diagnosis of Inflammatory Bowel Disease. Dig Dis Sci. 2023 05; 68(5):1706-1708. Velayos FS. PMID: 36881199.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    14. AGA Clinical Practice Guideline on the Role of Biomarkers for the Management of Ulcerative Colitis. Gastroenterology. 2023 03; 164(3):344-372. Singh S, Ananthakrishnan AN, Nguyen NH, Cohen BL, Velayos FS, Weiss JM, Sultan S, Siddique SM, Adler J, Chachu KA, AGA Clinical Guidelines Committee. Electronic address: clinicalpractice@gastro.org. PMID: 36822736.
      View in: PubMed   Mentions: 21     Fields:    Translation:Humans
    15. On a Knife's Edge: Management of Vulvar Cutaneous Crohn's Disease. Dig Dis Sci. 2023 04; 68(4):1113-1117. Evans NS, Velayos FS. PMID: 36808323.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    16. Declining Colectomy Rates for Nonmalignant Colorectal Polyps in a Large, Ethnically Diverse, Community-Based Population. Clin Transl Gastroenterol. 2022 05 01; 13(5):e00477. Alam A, Ma C, Jiang SF, Jensen CD, Webb KH, Boparai ES, Jue TL, Munroe CA, Gupta S, Fox J, Hamerski CM, Velayos FS, Corley DA, Lee JK. PMID: 35347095; PMCID: PMC9132519.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    17. Delayed Initiation of Rescue Therapy Associated with Increased Length of Stay in Acute Severe Ulcerative Colitis. Dig Dis Sci. 2022 12; 67(12):5455-5461. Caplan A, McConnell R, Velayos F, Mahadevan U, Lewin S. PMID: 35389167; PMCID: PMC9652198.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    18. Appropriateness of Medical and Surgical Treatments for Chronic Pouchitis Using RAND/UCLA Appropriateness Methodology. Dig Dis Sci. 2022 10; 67(10):4687-4694. Syal G, Sparrow MP, Velayos F, Cheifetz AS, Devlin S, Irving PM, Kaplan GG, Raffals LE, Ullman T, Gecse KB, Fleshner PR, Lightner AL, Siegel CA, Melmed GY. PMID: 35006492.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    19. Endoscopic Surveillance and Dysplasia Management in IBD: Plus Ça Change, Plus C'est la Même Chose. Dig Dis Sci. 2022 01; 67(1):81-84. Velayos FS, Lee JK. PMID: 34705158.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    20. Prior Immunosuppressive Therapy and Severe Illness Among Patients Diagnosed with SARS-CoV-2: a Community-Based Study. J Gen Intern Med. 2021 12; 36(12):3794-3801. Velayos FS, Dusendang JR, Schmittdiel JA. PMID: 34581984; PMCID: PMC8477718.
      View in: PubMed   Mentions: 5     Fields:    Translation:HumansCells
    21. AGA Clinical Practice Update on Endoscopic Surveillance and Management of Colorectal Dysplasia in Inflammatory Bowel Diseases: Expert Review. Gastroenterology. 2021 09; 161(3):1043-1051.e4. Murthy SK, Feuerstein JD, Nguyen GC, Velayos FS. PMID: 34416977.
      View in: PubMed   Mentions: 57     Fields:    Translation:Humans
    22. Retrospective Cohort Study Comparing Infliximab-dyyb and Infliximab in Biologic-Naive Patients With Inflammatory Bowel Disease in the United States. Crohns Colitis 360. 2021 Jul; 3(3):otab051. Smith JT, Velayos FS, Niu F, Liu V, Delate T, Pola S, Le K, Hui RL. PMID: 36776661; PMCID: PMC9802363.
      View in: PubMed   Mentions: 2  
    23. Management of Recurrent Clostridioides Infection: A Difficile Problem in Inflammatory Bowel Disease Patients. Dig Dis Sci. 2020 11; 65(11):3111-3115. Lam AY, Gutin LS, Nguyen Y, Velayos FS. PMID: 32749638; PMCID: PMC7398857.
      View in: PubMed   Mentions: 2     Fields:    Translation:HumansCells
    24. Day-by-Day Management of the Inpatient With Moderate to Severe Inflammatory Bowel Disease. Gastroenterol Hepatol (N Y). 2020 Sep; 16(9):449-457. Lewin S, Velayos FS. PMID: 34035752; PMCID: PMC8132655.
      View in: PubMed   Mentions: 4  
    25. Effectiveness of Switching from Reference Product Infliximab to Infliximab-Dyyb in Patients with Inflammatory Bowel Disease in an Integrated Healthcare System in the United States: A Retrospective, Propensity Score-Matched, Non-Inferiority Cohort Study. BioDrugs. 2020 Jun; 34(3):395-404. Ho SL, Niu F, Pola S, Velayos FS, Ning X, Hui RL. PMID: 32103457; PMCID: PMC7211187.
      View in: PubMed   Mentions: 8     Fields:    Translation:Humans
    26. Correction to: Effectiveness of Switching from Reference Product Infliximab to Infliximab-Dyyb in Patients with Inflammatory Bowel Disease in an Integrated Healthcare System in the United States: A Retrospective, Propensity Score-Matched, Non-Inferiority Cohort Study. BioDrugs. 2020 06; 34(3):405. Ho SL, Niu F, Pola S, Velayos FS, Ning X, Hui RL. PMID: 32253718; PMCID: PMC7211201.
      View in: PubMed   Mentions:    Fields:    
    27. Going Viral: Management of IBD in the Era of the COVID-19 Pandemic. Dig Dis Sci. 2020 06; 65(6):1571-1575. Gutin LS, Lam AY, Velayos FS, Santos SA. PMID: 32363528; PMCID: PMC7196441.
      View in: PubMed   Mentions: 6     Fields:    Translation:HumansCellsPHPublic Health
    28. Elevating the Technique: Resecting Complex Dysplastic Lesions of the Colon in Patients with Inflammatory Bowel Disease. Dig Dis Sci. 2020 01; 65(1):78-81. Boparai ES, Velayos FS, Roy A, Li C, Alkoraishi AS, Munroe CA. PMID: 31705343.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    29. It's What's Up Front That Counts-Part One: Endoscopic Diagnosis and Therapy of Esophageal Crohn's Disease. Dig Dis Sci. 2019 11; 64(11):3100-3103. Alli-Akintade L, Hewitt J, Namiq A, Singh M, Nguyen Y, Keihanian S, Chang JT, Karsan S, Tesfay S, Velayos FS. PMID: 31529414.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    30. Improving the Quality of Inpatient Ulcerative Colitis Management: Promoting Evidence-Based Practice and Reducing Care Variation With an Inpatient Protocol. Inflamm Bowel Dis. 2019 10 18; 25(11):1822-1827. Lewin SM, McConnell RA, Patel R, Sharpton SR, Velayos F, Mahadevan U. PMID: 30980712.
      View in: PubMed   Mentions: 10     Fields:    Translation:HumansCells
    31. Biosimilars for the Treatment of Inflammatory Bowel Disease. Pract Gastroenterol. 2019 Apr; 43(4):84-91. Rudrapatna VA, Velayos F. PMID: 31435122; PMCID: PMC6703165.
      View in: PubMed   Mentions: 9  
    32. Appropriate Therapeutic Drug Monitoring of Biologic Agents for Patients With Inflammatory Bowel Diseases. Clin Gastroenterol Hepatol. 2019 08; 17(9):1655-1668.e3. Papamichael K, Cheifetz AS, Melmed GY, Irving PM, Vande Casteele N, Kozuch PL, Raffals LE, Baidoo L, Bressler B, Devlin SM, Jones J, Kaplan GG, Sparrow MP, Velayos FS, Ullman T, Siegel CA. PMID: 30928454; PMCID: PMC6661210.
      View in: PubMed   Mentions: 109     Fields:    Translation:Humans
    33. How Dye May Prevent Dying from Cancer: Perceiving Imperceptible Dysplasia in Inflammatory Bowel Disease. Dig Dis Sci. 2019 01; 64(1):52-55. Lewin SM, Wen KW, Velayos FS, Mahadevan U, Beck KR. PMID: 30523483.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    34. Introduction to the IBD Case Conference Series. Dig Dis Sci. 2019 01; 64(1):50-51. Velayos F. PMID: 30565011.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    35. Appropriateness of Combination Therapy for Patients With Inflammatory Bowel Diseases: One Size Still Does Not Fit All. Clin Gastroenterol Hepatol. 2018 11; 16(11):1829-1831. Melmed GY, Kaplan GG, Sparrow MP, Velayos FS, Baidoo L, Bressler B, Cheifetz AS, Devlin SM, Irving PM, Jones J, Kozuch PL, Raffals LE, Siegel CA. PMID: 29505910.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    36. Intestinal and Nonintestinal Cancer Risks for Patients with Crohn's Disease. Gastroenterol Clin North Am. 2017 09; 46(3):515-529. Garg SK, Velayos FS, Kisiel JB. PMID: 28838412.
      View in: PubMed   Mentions: 5     Fields:    Translation:Humans
    37. American Gastroenterological Association Institute Technical Review on the Management of Crohn's Disease After Surgical Resection. Gastroenterology. 2017 01; 152(1):277-295.e3. Regueiro M, Velayos F, Greer JB, Bougatsos C, Chou R, Sultan S, Singh S. PMID: 27840073.
      View in: PubMed   Mentions: 48     Fields:    Translation:Humans
    38. Changing Paradigms in Detection of Dysplasia and Management of Patients With Inflammatory Bowel Disease: Is Colectomy Still Necessary? Gastroenterology. 2017 Feb; 152(2):440-450.e1. Velayos F, Kathpalia P, Finlayson E. PMID: 27765687.
      View in: PubMed   Mentions: 5     Fields:    Translation:Humans
    39. Recommendations for Quality Colonoscopy Reporting for Patients with Inflammatory Bowel Disease: Results from a RAND Appropriateness Panel. Inflamm Bowel Dis. 2016 06; 22(6):1418-24. Devlin SM, Melmed GY, Irving PM, Rubin DT, Kornbluth A, Kozuch PL, Raffals LE, Velayos FS, Sparrow MP, Baidoo L, Bressler B, Cheifetz AS, Jones J, Kaplan GG, Siegel CA. PMID: 27057680.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    40. Appropriateness of Testing for Anti-Tumor Necrosis Factor Agent and Antibody Concentrations, and Interpretation of Results. Clin Gastroenterol Hepatol. 2016 09; 14(9):1302-9. Melmed GY, Irving PM, Jones J, Kaplan GG, Kozuch PL, Velayos FS, Baidoo L, Sparrow MP, Bressler B, Cheifetz AS, Devlin SM, Raffals LE, Vande Casteele N, Mould DR, Colombel JF, Dubinsky M, Sandborn WJ, Siegel CA. PMID: 27189916.
      View in: PubMed   Mentions: 15     Fields:    Translation:Humans
    41. A roadmap to the implementation of chromoendoscopy in inflammatory bowel disease colonoscopy surveillance practice. Gastrointest Endosc. 2016 Jan; 83(1):213-22. Sanduleanu S, Kaltenbach T, Barkun A, McCabe RP, Velayos F, Picco MF, Laine L, Soetikno R, McQuaid KR. PMID: 26364967.
      View in: PubMed   Mentions: 7     Fields:    Translation:Humans
    42. Effects of Concomitant Immunomodulator Therapy on Efficacy and Safety of Anti-Tumor Necrosis Factor Therapy for Crohn's Disease: A Meta-analysis of Placebo-controlled Trials. Clin Gastroenterol Hepatol. 2015 Dec; 13(13):2233-40.e1-2; quiz e177-8. Jones JL, Kaplan GG, Peyrin-Biroulet L, Baidoo L, Devlin S, Melmed GY, Tanyingoh D, Raffals L, Irving P, Kozuch P, Sparrow M, Velayos F, Bressler B, Cheifetz A, Colombel JF, Siegel CA. PMID: 26142167.
      View in: PubMed   Mentions: 40     Fields:    Translation:Humans
    43. Colorectal cancer screening and surveillance in the elderly: updates and controversies. Gut Liver. 2015 Mar; 9(2):143-51. Day LW, Velayos F. PMID: 25721001; PMCID: PMC4351019.
      View in: PubMed   Mentions: 28     Fields:    Translation:HumansPHPublic Health
    44. Colorectal cancer of the elderly. Curr Treat Options Gastroenterol. 2014 Sep; 12(3):269-82. Day LW, Velayos F. PMID: 24938590.
      View in: PubMed   Mentions: 5  
    45. Quality bowel preparation for surveillance colonoscopy in patients with inflammatory bowel disease is a must. Gastrointest Endosc Clin N Am. 2014 Jul; 24(3):379-92. Nett A, Velayos F, McQuaid K. PMID: 24975529.
      View in: PubMed   Mentions: 8     Fields:    Translation:Humans
    46. Challenges in designing a national surveillance program for inflammatory bowel disease in the United States. Inflamm Bowel Dis. 2014 Feb; 20(2):398-415. Long MD, Hutfless S, Kappelman MD, Khalili H, Kaplan GG, Bernstein CN, Colombel JF, Gower-Rousseau C, Herrinton L, Velayos F, Loftus EV, Nguyen GC, Ananthakrishnan AN, Sonnenberg A, Chan A, Sandler RS, Atreja A, Shah SA, Rothman KJ, Leleiko NS, Bright R, Boffetta P, Myers KD, Sands BE. PMID: 24280882; PMCID: PMC4610029.
      View in: PubMed   Mentions: 15     Fields:    Translation:HumansPHPublic Health
    47. Colorectal cancer and the elderly. Clin Geriatr Med. 2014 Feb; 30(1):117-31. Day LW, Velayos F. PMID: 24267607.
      View in: PubMed   Mentions: 2     Fields:    Translation:HumansPHPublic Health
    48. On the question of ethnicity and its impact on IBD-related outcomes. Dig Dis Sci. 2014 Jan; 59(1):19-21. Hwang C, Velayos F. PMID: 24282056.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    49. Reply: To PMID 23357488. Clin Gastroenterol Hepatol. 2014 Feb; 12(2):346. Velayos F. PMID: 24216468.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    50. Racial and ethnic differences in health care utilization and outcomes among ulcerative colitis patients in an integrated health-care organization. Dig Dis Sci. 2014 Feb; 59(2):287-94. Li D, Collins B, Velayos FS, Liu L, Lewis JD, Allison JE, Flowers NT, Hutfless S, Abramson O, Herrinton LJ. PMID: 24173809.
      View in: PubMed   Mentions: 15     Fields:    Translation:Humans
    51. Avoiding rash decision making: skin cancer screening of patients with inflammatory bowel disease. Clin Gastroenterol Hepatol. 2014 Feb; 12(2):274-6. Siao D, Velayos F. PMID: 24183955.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    52. Serologic markers associated with development of Crohn's disease after ileal pouch anal anastomosis for ulcerative colitis. Dig Dis Sci. 2014 Jan; 59(1):135-45. Truta B, Li DX, Mahadevan U, Fisher ER, Chen YY, Grace K, Velayos F, Terdiman JP. PMID: 24091907.
      View in: PubMed   Mentions: 6     Fields:    Translation:Humans
    53. Looking forward to understanding and reducing colorectal cancer risk in inflammatory bowel disease. Gastroenterology. 2013 Jul; 145(1):47-49. Velayos FS, Ullman TA. PMID: 23727492.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    54. Systematic review: The role of race and socioeconomic factors on IBD healthcare delivery and effectiveness. Inflamm Bowel Dis. 2013 Mar; 19(3):627-43. Sewell JL, Velayos FS. PMID: 22623078; PMCID: PMC3905682.
      View in: PubMed   Mentions: 45     Fields:    Translation:Humans
    55. A test-based strategy is more cost effective than empiric dose escalation for patients with Crohn's disease who lose responsiveness to infliximab. Clin Gastroenterol Hepatol. 2013 Jun; 11(6):654-66. Velayos FS, Kahn JG, Sandborn WJ, Feagan BG. PMID: 23357488.
      View in: PubMed   Mentions: 64     Fields:    Translation:Humans
    56. Systematic review and meta-analysis on the effects of thiopurines on birth outcomes from female and male patients with inflammatory bowel disease. Inflamm Bowel Dis. 2013 Jan; 19(1):15-22. Akbari M, Shah S, Velayos FS, Mahadevan U, Cheifetz AS. PMID: 22434610.
      View in: PubMed   Mentions: 56     Fields:    Translation:Humans
    57. Incidence and mortality of colorectal adenocarcinoma in persons with inflammatory bowel disease from 1998 to 2010. Gastroenterology. 2012 Aug; 143(2):382-9. Herrinton LJ, Liu L, Levin TR, Allison JE, Lewis JD, Velayos F. PMID: 22609382.
      View in: PubMed   Mentions: 133     Fields:    Translation:Humans
    58. Colonoscopy after CT diagnosis of diverticulitis to exclude colon cancer: a systematic literature review. Radiology. 2012 May; 263(2):383-90. Sai VF, Velayos F, Neuhaus J, Westphalen AC. PMID: 22517956; PMCID: PMC3329267.
      View in: PubMed   Mentions: 27     Fields:    Translation:Humans
    59. Managing risks of neoplasia in inflammatory bowel disease. Curr Gastroenterol Rep. 2012 Apr; 14(2):174-80. Velayos F. PMID: 22359106.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    60. Setting priorities for comparative effectiveness research in inflammatory bowel disease: results of an international provider survey, expert RAND panel, and patient focus groups. Inflamm Bowel Dis. 2012 Dec; 18(12):2294-300. Cheifetz AS, Melmed GY, Spiegel B, Talley J, Devlin SM, Raffals L, Irving PM, Jones J, Kaplan GG, Kozuch P, Sparrow M, Velayos F, Baidoo L, Bressler B, Siegel CA. PMID: 22337359.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    61. Durability of infliximab dose intensification in Crohn's disease. Dig Dis Sci. 2012 Apr; 57(4):1013-9. Lin KK, Velayos F, Fisher E, Terdiman JP. PMID: 22089254.
      View in: PubMed   Mentions: 6     Fields:    Translation:Humans
    62. Colorectal cancer screening and surveillance in the elderly patient. Am J Gastroenterol. 2011 Jul; 106(7):1197-206;quiz 1207. Day LW, Walter LC, Velayos F. PMID: 21519362.
      View in: PubMed   Mentions: 26     Fields:    Translation:Humans
    63. The good, the bad, and the ugly: adverse events and Crohn's therapies. Inflamm Bowel Dis. 2010 Aug; 16(8):1443-4. Siao D, Velayos FS. PMID: 19834975.
      View in: PubMed   Mentions:    Fields:    
    64. Prevalence of colorectal cancer surveillance for ulcerative colitis in an integrated health care delivery system. Gastroenterology. 2010 Nov; 139(5):1511-8. Velayos FS, Liu L, Lewis JD, Allison JE, Flowers N, Hutfless S, Abramson O, Perry GS, Herrinton LJ. PMID: 20659470.
      View in: PubMed   Mentions: 22     Fields:    Translation:HumansPHPublic Health
    65. Surgery for low-grade colorectal dysplasia in ulcerative colitis: decisions, decisions. Inflamm Bowel Dis. 2010 Jul; 16(7):1265-6. Siao D, Velayos FS. PMID: 19856420.
      View in: PubMed   Mentions:    Fields:    
    66. Viral hepatitis and inflammatory bowel disease. Inflamm Bowel Dis. 2010 Jun; 16(6):925-32. Hou JK, Velayos F, Terrault N, Mahadevan U. PMID: 20480515.
      View in: PubMed   Mentions: 25     Fields:    Translation:Humans
    67. The appropriateness of concomitant immunomodulators with anti-tumor necrosis factor agents for Crohn's disease: one size does not fit all. Clin Gastroenterol Hepatol. 2010 Aug; 8(8):655-9. Melmed GY, Spiegel BM, Bressler B, Cheifetz AS, Devlin SM, Harrell LE, Irving PM, Jones J, Kaplan GG, Kozuch PL, Velayos FS, Baidoo L, Sparrow MP, Siegel CA. PMID: 20451665.
      View in: PubMed   Mentions: 12     Fields:    Translation:Humans
    68. Incidence, prevalence, and time trends of pediatric inflammatory bowel disease in Northern California, 1996 to 2006. J Pediatr. 2010 Aug; 157(2):233-239.e1. Abramson O, Durant M, Mow W, Finley A, Kodali P, Wong A, Tavares V, McCroskey E, Liu L, Lewis JD, Allison JE, Flowers N, Hutfless S, Velayos FS, Perry GS, Cannon R, Herrinton LJ. PMID: 20400099.
      View in: PubMed   Mentions: 52     Fields:    Translation:Humans
    69. Use of azathioprine and 6MP in postoperative Crohn's: changing natural history or just along for the ride? Am J Gastroenterol. 2009 Aug; 104(8):2097-9. Velayos FS, Sandborn WJ. PMID: 19661939.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    70. Timing of myelosuppression during thiopurine therapy for inflammatory bowel disease: implications for monitoring recommendations. Clin Gastroenterol Hepatol. 2009 Nov; 7(11):1195-201; quiz 1141-2. Lewis JD, Abramson O, Pascua M, Liu L, Asakura LM, Velayos FS, Hutfless SM, Alison JE, Herrinton LJ. PMID: 19631285; PMCID: PMC4435979.
      View in: PubMed   Mentions: 22     Fields:    Translation:Humans
    71. Cost effectiveness of ulcerative colitis surveillance in the setting of 5-aminosalicylates. Am J Gastroenterol. 2009 Sep; 104(9):2222-32. Rubenstein JH, Waljee AK, Jeter JM, Velayos FS, Ladabaum U, Higgins PD. PMID: 19491824; PMCID: PMC2764368.
      View in: PubMed   Mentions: 12     Fields:    Translation:HumansPHPublic Health
    72. Deciding to operate for low-grade colorectal dysplasia in ulcerative colitis: how much does the colon cost, how much is it worth? Gastrointest Endosc. 2009 Jun; 69(7):1311-3. Velayos F. PMID: 19481651.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    73. Time trends in therapies and outcomes for adult inflammatory bowel disease, Northern California, 1998-2005. Gastroenterology. 2009 Aug; 137(2):502-11. Herrinton LJ, Liu L, Fireman B, Lewis JD, Allison JE, Flowers N, Hutfless S, Velayos FS, Abramson O, Altschuler A, Perry GS. PMID: 19445944.
      View in: PubMed   Mentions: 34     Fields:    Translation:Humans
    74. Forecasting cyclosporine success or failure. Inflamm Bowel Dis. 2009 Jan; 15(1):152-3. Ravishankar PG, Velayos FS. PMID: 18465806.
      View in: PubMed   Mentions:    Fields:    
    75. Colon cancer surveillance in inflammatory bowel disease patients: current and emerging practices. Expert Rev Gastroenterol Hepatol. 2008 Dec; 2(6):817-25. Velayos F. PMID: 19090741.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    76. Current Controversies in Crohn's Disease: A Roundtable Discussion of the BRIDGe Group. Gastroenterol Hepatol (N Y). 2008 Oct; 4(10):713-20. Sparrow MP, Irving PM, Baidoo L, Bressler B, Cheifetz AS, Devlin SM, Harrell LE, Jones J, Kozuch PL, Melmed GY, Velayos FS, Siegel CA. PMID: 21960891; PMCID: PMC3104182.
      View in: PubMed   Mentions:
    77. Patterns of infliximab use among Crohn's disease patients in a community setting. Inflamm Bowel Dis. 2008 Sep; 14(9):1265-72. Pressman AR, Hutfless S, Velayos F, Fireman B, Lewis JD, Allison J, Abramson O, Herrinton LJ. PMID: 18452199.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    78. Gastroenterologists' attitudes and self-reported practices regarding inflammatory bowel disease. Inflamm Bowel Dis. 2008 Jul; 14(7):992-9. Altschuler A, Collins B, Lewis JD, Velayos F, Allison JE, Hutfless S, Liu L, Herrinton LJ. PMID: 18300277.
      View in: PubMed   Mentions: 13     Fields:    Translation:Humans
    79. The fungus among us. Inflamm Bowel Dis. 2008 May; 14(5):721-2. Bahamonde LG, Velayos FS. PMID: 18200515.
      View in: PubMed   Mentions:    Fields:    
    80. Tumor histology helps to identify Lynch syndrome among colorectal cancer patients. Fam Cancer. 2008; 7(3):267-74. Truta B, Chen YY, Blanco AM, Deng G, Conrad PG, Kim YH, Park ET, Kakar S, Kim YS, Velayos F, Sleisenger MH, Terdiman JP. PMID: 18283560.
      View in: PubMed   Mentions: 7     Fields:    Translation:Humans
    81. Colorectal cancer prevention in inflammatory bowel disease and the role of 5-aminosalicylic acid: a clinical review and update. Inflamm Bowel Dis. 2008 Feb; 14(2):265-74. Rubin DT, Cruz-Correa MR, Gasche C, Jass JR, Lichtenstein GR, Montgomery EA, Riddell RH, Rutter MD, Ullman TA, Velayos FS, Itzkowitz S, 5-ASA in Colorectal Cancer Prevention Meeting Group. PMID: 17932965.
      View in: PubMed   Mentions: 26     Fields:    Translation:Humans
    82. Maximizing patient adherence and clinical outcomes with mesalamine in mildly-to-moderately active ulcerative colitis. Rev Gastroenterol Disord. 2008; 8(1):21-30; quiz 31-2. Lichtenstein GR, Rubin DT, Sabesin SM, Velayos FS, Vitat P. PMID: 18477967.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    83. Positioning biologic therapy for Crohn's disease and ulcerative colitis. Curr Gastroenterol Rep. 2007 Dec; 9(6):521-7. Velayos FS, Sandborn WJ. PMID: 18377806.
      View in: PubMed   Mentions: 7     Fields:    Translation:Humans
    84. Management of steroid-dependent ulcerative colitis: immunomodulatory agents, biologics, or surgery? Clin Gastroenterol Hepatol. 2007 Jun; 5(6):668-71. Velayos F, Mahadevan U. PMID: 17544992.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    85. Risk factors for colorectal neoplasia in inflammatory bowel disease: a nested case-control study from Copenhagen county, Denmark and Olmsted county, Minnesota. Am J Gastroenterol. 2007 Apr; 102(4):829-36. Jess T, Loftus EV, Velayos FS, Winther KV, Tremaine WJ, Zinsmeister AR, Scott Harmsen W, Langholz E, Binder V, Munkholm P, Sandborn WJ. PMID: 17222314.
      View in: PubMed   Mentions: 37     Fields:    Translation:HumansPHPublic Health
    86. Incidence and prognosis of colorectal dysplasia in inflammatory bowel disease: a population-based study from Olmsted County, Minnesota. Inflamm Bowel Dis. 2006 Aug; 12(8):669-76. Jess T, Loftus EV, Velayos FS, Harmsen WS, Zinsmeister AR, Smyrk TC, Tremaine WJ, Melton LJ, Munkholm P, Sandborn WJ. PMID: 16917220.
      View in: PubMed   Mentions: 29     Fields:    Translation:Humans
    87. Predictive and protective factors associated with colorectal cancer in ulcerative colitis: A case-control study. Gastroenterology. 2006 Jun; 130(7):1941-9. Velayos FS, Loftus EV, Jess T, Harmsen WS, Bida J, Zinsmeister AR, Tremaine WJ, Sandborn WJ. PMID: 16762617.
      View in: PubMed   Mentions: 97     Fields:    Translation:Humans
    88. Risk of intestinal cancer in inflammatory bowel disease: a population-based study from olmsted county, Minnesota. Gastroenterology. 2006 Apr; 130(4):1039-46. Jess T, Loftus EV, Velayos FS, Harmsen WS, Zinsmeister AR, Smyrk TC, Schleck CD, Tremaine WJ, Melton LJ, Munkholm P, Sandborn WJ. PMID: 16618397.
      View in: PubMed   Mentions: 127     Fields:    Translation:Humans
    89. Effect of 5-aminosalicylate use on colorectal cancer and dysplasia risk: a systematic review and metaanalysis of observational studies. Am J Gastroenterol. 2005 Jun; 100(6):1345-53. Velayos FS, Terdiman JP, Walsh JM. PMID: 15929768.
      View in: PubMed   Mentions: 152     Fields:    Translation:Humans
    90. Low rate of microsatellite instability in young patients with adenomas: reassessing the Bethesda guidelines. Am J Gastroenterol. 2005 May; 100(5):1143-9. Velayos FS, Allen BA, Conrad PG, Gum J, Kakar S, Chung DC, Truta B, Sleisenger MH, Kim YS, Terdiman JP. PMID: 15842591.
      View in: PubMed   Mentions: 13     Fields:    Translation:HumansCells
    91. The mechanism of microsatellite instability is different in synchronous and metachronous colorectal cancer. J Gastrointest Surg. 2005 Mar; 9(3):329-35. Velayos FS, Lee SH, Qiu H, Dykes S, Yiu R, Terdiman JP, Garcia-Aguilar J. PMID: 15749592.
      View in: PubMed   Mentions: 14     Fields:    Translation:HumansCells
    92. Pneumocystis carinii pneumonia during maintenance anti-tumor necrosis factor-alpha therapy with infliximab for Crohn's disease. Inflamm Bowel Dis. 2004 Sep; 10(5):657-60. Velayos FS, Sandborn WJ. PMID: 15472531.
      View in: PubMed   Mentions: 21     Fields:    Translation:Humans
    93. Early predictors of severe lower gastrointestinal bleeding and adverse outcomes: a prospective study. Clin Gastroenterol Hepatol. 2004 Jun; 2(6):485-90. Velayos FS, Williamson A, Sousa KH, Lung E, Bostrom A, Weber EJ, Ostroff JW, Terdiman JP. PMID: 15181617.
      View in: PubMed   Mentions: 28     Fields:    Translation:Humans
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