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Esther Torres
Title Dr.
Faculty Rank Professor
Degree M.D., MACP, MACG, AGAF, FAASLD
Institution University of Puerto Rico
Department Medicine
Clusters Infectious and Immunological Diseases
Address
University of Puerto Rico
Medical Sciences Campus
P.O. Box 365067
City San Juan
State PR
Postal Code 00936-5067
Telephone 787-754-0101 x2419
Fax 787-758-2583
Email
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  Dr. Esther A. Torres obtained her medical degree from the University of Puerto Rico School of Medicine. She completed a residency in Internal Medicine at the San Juan Veteran’s Administration Medical Center and a fellowship in Gastroenterology at the UPR and affiliated hospitals. She is Professor of Medicine at the University of Puerto Rico School of Medicine, where she was Division Chief of Gastroenterology and Training Program Director and Chair of Medicine. Dr. Torres is board certified in Internal Medicine and Gastroenterology. She is a Master of the American College of Physicians and the American College of Gastroenterology, a Fellow of the American Gastroenterological Association and a Fellow of the American Association for the Study of Liver Diseases,member of the Crohn’s and Colitis Foundation of America and the Asociación Puertorriqueña de Gastroenterología. Dr. Torres has 90 peer reviewed publications and 138 scientific presentations. She directs the UPR Gastroenterology Research Unit. Dr. Torres has a special interest in Inflammatory Bowel Diseases and was instrumental in establishing the UPR Center for IBD, which she directs.

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1. Abreu-Delgado Y, Isidro RA, Torres EA, González A, Cruz ML, Isidro AA, González-Keelan CI, Medero P, Appleyard CB. Serum vitamin D and colonic vitamin D receptor in inflammatory bowel disease. World J Gastroenterol. 2016 Apr 07; 22(13):3581-91.
2. Vélez-González F, Ballester V, Antúnez I, Pastranal R, Torres EA, González-Keelan C. Rejection, Recurrence, or Something Else? Bol Asoc Med P R. 2016; 108(2):39-41.
3. Pérez CM, Albizu-García CE, Torres EA. Tackling the Health Challenge posed by Hepatitis C in Puerto Rico: A Call for Immediate Public Health Actions. P R Health Sci J. 2015 Jun; 34(2):53-9.
4. Rivera-Acosta JE, Aponte M, Villamil I, Romaguera J, Ortiz AP, Torres EA. Human Papilloma Virus Awareness Among Hispanic Females with Inflammatory Bowel Disease. J Racial Ethn Health Disparities. 2016 Mar; 3(1):55-62.
5. Zamot AL, Torres EA, González H, Marcial MA. Presence of tissue transglutaminase IgA antibody as a celiac disease marker in a sample of patients with irritable bowel syndrome. P R Health Sci J. 2015 Mar; 34(1):38-9.
6. Isidro RA, Cruz ML, Isidro AA, Baez A, Arroyo A, González-Marqués WA, González-Keelan C, Torres EA, Appleyard CB. Immunohistochemical expression of SP-NK-1R-EGFR pathway and VDR in colonic inflammation and neoplasia. World J Gastroenterol. 2015 Feb 14; 21(6):1749-58.
7. Alsina AE, Nakshabandi A, Makris AM, Torres EA. Liver transplantation for hepatocellular carcinoma in Puerto Ricans: underutilization of a curative therapy. P R Health Sci J. 2014 Dec; 33(4):170-6.
8. Morales-Vásquez L, Miranda-Avalo EI, Rodríguez-Medina JR, Quiñones-Badillo Y, Marqués-Lespier J, Muñoz-Acabá J, Pastrana R, Pérez-Cardona CM, Yamamura Y, Torres EA. Demographics, clinical characteristics, IFNL3- and IFNL4- polymorphisms in a cohort of hepatitis C patients from Puerto Rico. P R Health Sci J. 2014 Dec; 33(4):177-83.
9. Ballester V, Guo X, Vendrell R, Haritunians T, Klomhaus AM, Li D, McGovern DP, Rotter JI, Torres EA, Taylor KD. Association of NOD2 and IL23R with inflammatory bowel disease in Puerto Rico. PLoS One. 2014; 9(9):e108204.
10. Torres EA, Martínez NA, Martínez P, Ayala AM, Millián D, Rivera C, Saadé M, Davis J. Profile of the average organ non-donor: can it be used predictively? P R Health Sci J. 2014 Sep; 33(3):129-31.
11. Muñoz-Matta A, Osorio R, Cabrera-León V, Oquendo H, Torres E, Romaguera J. CERVICAL CYTOLOGY TRENDS IN A SAMPLE OF INFLAMMATORY BOWEL DISEASE PATIENTS IN PUERTO RICO: A DESCRIPTIVE STUDY AND RESEARCH OF CURRENT LITERATURE. Bol Asoc Med P R. 2014; 106(4):6-10.
12. Marqués-Lespier JM, Ortiz-Vega NM, Sánchez MC, Sánchez MC, Soto-Avilés OE, Torres EA. Knowledge of and attitudes toward organ donation: a survey of medical students in Puerto Rico. P R Health Sci J. 2013 Dec; 32(4):187-93.
13. Vendrell R, Venegas HL, Pérez CM, Morell C, Roman RV, Torres EA. Differences in prevalence of inflammatory bowel disease in Puerto Rico between commercial and government-sponsored managed health care insured individuals. Bol Asoc Med P R. 2013; 105(2):15-9.
14. Rivera MN, Jowsey S, Alsina AE, Torres EA. Factors contributing to health disparities in liver transplantation in a Hispanic population. P R Health Sci J. 2012 Dec; 31(4):199-204.
15. González-Keelan C, Arce V, Ortiz AP, Torres EA, Lojo JJ. Increase in the number of IBD surgical resections at the Puerto Rico Medical Center: A brief report. P R Health Sci J. 2012 Dec; 31(4):223-6.
16. Almázar C, Torres EA. Lack of association between smoking and surgery for Crohn's disease in Puerto Rico. Bol Asoc Med P R. 2012 Sep-Dec; 104(4):66-7.
17. Torres EA, Cruz A, Monagas M, Bernal M, Correa Y, Cordero R, Carlo VL. Inflammatory Bowel Disease in Hispanics: The University of Puerto Rico IBD Registry. Int J Inflam. 2012; 2012:574079.
18. Ortiz AP, Romero C, Disdier O, Santana E, Torres M, Torres EA, Pérez CM. Diabetes is associated with chronic liver disease and liver cancer in the adult population of Puerto Rico. P R Health Sci J. 2011 Sep; 30(3):132-4.
19. Soto-Salgado M, Suárez E, Ortiz AP, Adrovet S, Marrero E, Meléndez M, Colón HM, Albizu C, Del C Santos M, Torres E, Pérez CM. Knowledge of viral hepatitis among Puerto Rican adults: implications for prevention. J Community Health. 2011 Aug; 36(4):565-73.
20. Meléndez JD, Larregui Y, Vázquez JM, Carlo VL, Torres EA. Medication profiles of patients in the University of Puerto Rico inflammatory bowel disease registry. P R Health Sci J. 2011 Mar; 30(1):3-8.
21. Iturrino J, Sánchez CJ, Ortiz A, Romero CJ, Velázquez V, Costas P, Torres EA. Outcomes of an underserved Hispanic population with chronic hepatitis C treated with pegylated-interferon and ribavirin in a government-sponsored clinic. P R Health Sci J. 2011 Mar; 30(1):9-13.
22. González EJ, Rivera-Acosta JE, Sánchez JM, Romero C, Meléndez M, Pérez C, Torres EA. Management of upper gastrointestinal bleeding in cirrhotic patients with documented esophageal varices evaluated at the Puerto Rico Medical Center. Bol Asoc Med P R. 2011 Jan-Mar; 103(1):5-8.
23. Pérez CM, Marrero E, Meléndez M, Adrovet S, Colón H, Ortiz AP, Soto-Salgado M, Albizu C, Torres EA, Suárez E. Seroepidemiology of viral hepatitis, HIV and herpes simplex type 2 in the household population aged 21-64 years in Puerto Rico. BMC Infect Dis. 2010 Mar 23; 10:76.
24. Pérez CM, Marrero E, Meléndez M, Adrovet S, Colón H, Albizu C, Torres EA, Ortiz AP, Suárez E. Feasibility of collecting biologic specimens in population-based surveys: experiences from the epidemiology of hepatitis C in the household, adult population of Puerto Rico study. P R Health Sci J. 2010 Mar; 29(1):18-25.
25. Magno P, Jiménez CE, Ortiz Z, Torres EA. Recombinant human granulocyte-macrophage colony stimulating factor (sargramostim) as an alternative therapy for fistulizing Crohn's disease. P R Health Sci J. 2010 Mar; 29(1):60-5.
26. Alsina AE, Torres EA, Antúnea I, González H, Bowers V, Huang J, Leone J, Potter T. Outcome of liver transplantation in a Hispanic population: 100 liver transplants in Puerto Ricans. P R Health Sci J. 2009 Dec; 28(4):301-6.
27. Hernández JD, Jiménez-Huyke C, Rosado K, González-Keelan C, Lojo JJ, Torres EA. Surveillance for dysplasia in patients with ileal pouch-anal anastomosis for ulcerative colitis: an interim analysis. Dig Dis Sci. 2010 Aug; 55(8):2332-6.
28. Bhat M, Nguyen GC, Pare P, Lahaie R, Deslandres C, Bernard EJ, Aumais G, Jobin G, Wild G, Cohen A, Langelier D, Brant S, Dassopoulos T, McGovern D, Torres E, Duerr R, Regueiro M, Silverberg MS, Steinhart H, Griffiths AM, Elkadri A, Cho J, Proctor D, Goyette P, Rioux J, Bitton A. Phenotypic and genotypic characteristics of inflammatory bowel disease in French Canadians: comparison with a large North American repository. Am J Gastroenterol. 2009 Sep; 104(9):2233-40.
29. Romero Marrero C, Ortiz AP, Pérez CM, Pérez J, Torres EA. Survival of hepatocellular carcinoma in Puerto Rico. P R Health Sci J. 2009 Jun; 28(2):105-13.
30. Soto-Salgado M, Pérez CM, Burgos-Calderón R, Torres EA, Suárez E. Factors associated to the prevalence of antibodies to hepatitis C virus among patients receiving hemodialysis at selected dialysis centers in Puerto Rico, 2005. P R Health Sci J. 2009 Mar; 28(1):18-23.
31. Collazo MH, González JR, Torres EA. Etanercept therapy for psoriasis in a patient with concomitant hepatitis C and liver transplant. P R Health Sci J. 2008 Dec; 27(4):346-7.
32. Torres EA. From organ donation to trasplantation: it takes a team. Bol Asoc Med P R. 2008 Jul-Sep; 100(3):5.
33. Price AL, Weale ME, Patterson N, Myers SR, Need AC, Shianna KV, Ge D, Rotter JI, Torres E, Taylor KD, Goldstein DB, Reich D. Long-range LD can confound genome scans in admixed populations. Am J Hum Genet. 2008 Jul; 83(1):132-5; author reply 135-9.
34. Magno P, DE Jesus-Aponte R, Vazquez GJ, Garrastegui D, Torres EA. Abdominal pain and weight loss in an HIV-infected patient. J Dig Dis. 2008 Feb; 9(1):48-51.
35. Rivera Resto M, De Varona Negrón M, Eguía V, Carlo VL, Torres EA. Hepatocellular carcinoma at the University of Puerto Rico Liver Transplant Clinic. P R Health Sci J. 2007 Dec; 26(4):337-42.
36. Pérez CM, Albizu C, Peña M, Torres EA, Reyes JC, Colón H, Ortiz AP, Suárez E. Hepatitis C in Puerto Rico: a time for public health action. P R Health Sci J. 2007 Dec; 26(4):395-400.
37. Dassopoulos T, Nguyen GC, Bitton A, Bromfield GP, Schumm LP, Wu Y, Elkadri A, Regueiro M, Siemanowski B, Torres EA, Gregory FJ, Kane SV, Harrell LE, Franchimont D, Achkar JP, Griffiths A, Brant SR, Rioux JD, Taylor KD, Duerr RH, Silverberg MS, Cho JH, Steinhart AH. Assessment of reliability and validity of IBD phenotyping within the National Institutes of Diabetes and Digestive and Kidney Diseases (NIDDK) IBD Genetics Consortium (IBDGC). Inflamm Bowel Dis. 2007 Aug; 13(8):975-83.
38. Pastrana RJ, Torres EA, Arroyo JM, Rivera CE, Sánchez CJ, Morales L. Iron-deficiency anemia as presentation of pouchitis. J Clin Gastroenterol. 2007 Jan; 41(1):41-4.
39. Nguyen GC, Torres EA, Regueiro M, Bromfield G, Bitton A, Stempak J, Dassopoulos T, Schumm P, Gregory FJ, Griffiths AM, Hanauer SB, Hanson J, Harris ML, Kane SV, Orkwis HK, Lahaie R, Oliva-Hemker M, Pare P, Wild GE, Rioux JD, Yang H, Duerr RH, Cho JH, Steinhart AH, Brant SR, Silverberg MS. Inflammatory bowel disease characteristics among African Americans, Hispanics, and non-Hispanic Whites: characterization of a large North American cohort. Am J Gastroenterol. 2006 May; 101(5):1012-23.
40. Wesson DE, King TE, Todd RF, Torres EA, Hellmann DB, Flack JM, Dubose TD, Schuster VL. Achieving diversity in academic internal medicine: recommendations for leaders. Am J Med. 2006 Jan; 119(1):76-81.
41. Pérez CM, Suárez E, Torres EA, Román K, Colón V. Seroprevalence of hepatitis C virus and associated risk behaviours: a population-based study in San Juan, Puerto Rico. Int J Epidemiol. 2005 Jun; 34(3):593-9.
42. Sánchez JM, Maldonado JC, Torres EA, Rivera C. Infliximab in Hispanics: characterization of response to infliximab in an ethnic minority with Crohn's disease. P R Health Sci J. 2005 Mar; 24(1):11-7.
43. Torres EA, Guzmán A, Vázquez M, Just E, Gregory F, Lozano H, Rivera CE, Alsina A. Improving access to liver transplantation: the University of Puerto Rico experience. P R Health Sci J. 2004 Sep; 23(3):183-8.
44. De Jesús-Monge WE, Torres EA, Báez VM, De Jesús O, Rivera L, González-Keelan C. Crohn's disease associated to chordoma: a case report. P R Health Sci J. 2004 Sep; 23(3):233-6.
45. Torres EA. The NIH 2002 Consensus Conference on hepatitis C: what it said and what it means. P R Health Sci J. 2004 Jun; 23(2 Suppl):7-9.
46. Pérez CM, Suárez E, Torres EA. Epidemiology of hepatitis C infection and its public health implications in Puerto Rico. P R Health Sci J. 2004 Jun; 23(2 Suppl):11-28.
47. Costas P, Ortiz A, Velázquez V, Torres EA. A government sponsored clinic for the evaluation and treatment of chronic hepatitis C in an underinsured population in Puerto Rico. P R Health Sci J. 2004 Jun; 23(2 Suppl):41-7.
48. Muñoz H, Arroyo J, Torres EA, De Jesus-Monge WE, Chinea B, González H, Aponte N, Guzmán A, Rivera C, Rodríguez F, Toro DH. Response to combination therapy of interferon alfa-2b plus ribavirin in Hispanics with chronic hepatitis C. P R Health Sci J. 2004 Jun; 23(2 Suppl):61-7.
49. King TE, Dickinson TA, DuBose TD, Flack JM, Hellmann DB, Pamies RJ, Todd RF, Torres EA, Wesson DE. The case for diversity in academic internal medicine. Am J Med. 2004 Feb 15; 116(4):284-9.
50. González H, Ríos ME, Torres EA, Muñoz H, Arroyo J, Castro FJ. Folic acid supplementation does not prevent ribavirin-induced anemia. P R Health Sci J. 2003 Dec; 22(4):359-62.
51. Torres EA, De Jesús R, Pérez CM, Iñesta M, Torres D, Morell C, Just E. Prevalence of inflammatory bowel disease in an insured population in Puerto Rico during 1996. P R Health Sci J. 2003 Sep; 22(3):253-8.
52. Torres EA. Surgery for ulcerative colitis: is quality of life an issue? P R Health Sci J. 2001 Sep; 20(3):209-10.
53. Torres EA, Acosta H, Cruz M, Weinstock J, Hillyer GV. Seroprevalence of Schistosoma mansoni in Puerto Ricans with inflammatory bowel disease. P R Health Sci J. 2001 Sep; 20(3):211-4.
54. Acosta-Ramírez D, Pagán-Ocasio V, Torres EA, Rodríguez M, Caro O. Profile of the inflammatory bowel disease patient with depressive disorders. P R Health Sci J. 2001 Sep; 20(3):215-20.
55. Vendrell R, Iñesta M, Mera R, Iturrino J, Soto A, Mas M, Lojo JJ, Torres EA. Ileal pouch-anal anastomosis for ulcerative colitis: the University of Puerto Rico experience. P R Health Sci J. 2001 Sep; 20(3):221-4.
56. Chinea B, Rosa A, Oharriz JJ, Ramírez M, Haddock L, Pérez C, Torres EA. Osteopenia in Puerto Ricans with Crohn's disease. P R Health Sci J. 2000 Dec; 19(4):329-33.
57. Torres EA. The impact of the Puerto Rico Health Reform Act on graduate medical education. P R Health Sci J. 1999 Sep; 18(3):281-3.
58. Firpi RJ, Lozada LR, Torres EA, Villamarzo G, Lobera A. Fine-needle aspiration diagnosis of hydatid cyst. P R Health Sci J. 1999 Jun; 18(2):129-31.
59. Castro F, Torres EA, Oharriz J, González-Keelan C, Pérez C, Rubio C. Chronic hepatitis C: treatment comparison between 3 and 5 million units of interferon alpha-2b. P R Health Sci J. 1998 Sep; 17(3):221-5.
60. Pérez J, Talavera A, Castro F, Torres EA. Budd-Chiari syndrome in early pregnancy. P R Health Sci J. 1998 Sep; 17(3):285-7.
61. Calderón R, Cruz-Correa MR, Torres EA. Cerebral thrombosis associated with active Crohn's disease. P R Health Sci J. 1998 Sep; 17(3):293-5.
62. Viruet EJ, Torres EA. Steroid therapy in fulminant hepatic failure secondary to autoimmune hepatitis. P R Health Sci J. 1998 Sep; 17(3):297-300.
63. Castro F, Santaella M, Torres EA, Rodriguez-Medina JR, González-Keelan C. Sustained response to interferon in a patient with common variable immunodeficiency and hepatitis C. Am J Gastroenterol. 1997 Sep; 92(9):1557-8.
64. Urbistondo M, Torres EA, Castro F, Oharriz J, Medina R, Molina A, Marquez E, Rubio CE. Prevention of recurrent esophageal bleeding and survival in patients with alcoholic cirrhosis: a randomized study. P R Health Sci J. 1996 Sep; 15(3):195-9.
65. Vargas CA, Medina R, Rubio CE, Torres EA. Primary biliary cirrhosis associated with ankylosing spondylitis. J Clin Gastroenterol. 1994 Apr; 18(3):263-4.
66. Torres EA, Toro D, Santini N. Esophageal motility patterns in a Puerto Rican population. P R Health Sci J. 1994 Mar; 13(1):29-31.
67. Vargas CA, Rubio CE, Rodríguez-Trinidad A, Torres EA. Idiopathic hemochromatosis: a study in a large Puerto Rican family. P R Health Sci J. 1993 Dec; 12(4):283-6.
68. Vargas CA, Méndez HM, Rubio CE, Torres EA. Idiopathic hemochromatosis in a young man presenting with palpitations. Bol Asoc Med P R. 1991 Jan; 83(1):19-21.
69. Torres EA, Altieri A, Tellado M. Fulminant Wilson's disease: a report. Bol Asoc Med P R. 1990 Jun; 82(6):266-8.
70. Carro JA, Senior J, Rubio CE, Torres EA. Phenytoin induced fatal hepatic injury. Bol Asoc Med P R. 1989 Sep; 81(9):359-60.
71. Moreno JM, Rubio CE, Torres EA. [Inflammatory disease of the gastrointestinal tract at the University Hospital, Medical Center, Puerto Rico. 1980-87]. Bol Asoc Med P R. 1989 Jun; 81(6):214-8.
72. González ER, González Keelan C, Torres EA, Moreno JN. Liver biopsy findings in the acquired immunodeficiency syndrome. Bol Asoc Med P R. 1988 Aug; 80(8):274-6.
73. Senior J, Rubio C, González Pares E, Torres EA. Prevalence of upper gastrointestinal mucosal abnormalities at a rheumatology clinic. Bol Asoc Med P R. 1988 Jul; 80(7):241-4.
74. Ríos J, Torres EA. Carcinoid syndrome at the Puerto Rico Medical Center: 1976-1983. Bol Asoc Med P R. 1986 Jan; 78(1):7-8.
75. Torres EA, Bravo-Fernández E. Hepatocellular carcinoma in the University Hospital. Bol Asoc Med P R. 1985 Nov; 77(11):459-60.
76. Bravo-Fernández EF, Torres EA, Zaiter J. Acute colonic pseudo-obstruction (Ogilvie's syndrome): a case report showing the benefit of colonoscopy. Bol Asoc Med P R. 1985 Jun; 77(6):234-6.
77. Torres EA, de Mari Pratts M, Pérez-Anzalota JR. Adenocarcinoma of jejenum: a difficult diagnosis. Bol Asoc Med P R. 1984 Mar; 76(3):111-3.

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