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    Andrew Posselt, MD

    TitleAssociate Professor
    SchoolUCSF School of Medicine
    DepartmentSurgery
    Address505 Parnassus Ave, Moffitt
    San Francisco CA 94143
    Phone415-353-1473

       Biography 
       Education and Training
      Institution Degree School or Department Year
      University of California, San FranciscoResidency Internal Medicine
      University of PennsylvaniaM.D.School of Medicine1993

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       Global Health
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       Bibliographic 
       Publications
      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.
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      1. Kitzmann JP, Pepper AR, Gala-Lopez B, Pawlick R, Kin T, O'Gorman D, Mueller KR, Gruessner AC, Avgoustiniatos ES, Karatzas T, Szot GL, Posselt AM, Stock PG, Wilson JR, Shapiro AM, Papas KK. Human Islet Viability and Function Is Maintained During High-density Shipment in Silicone Rubber Membrane Vessels. Transplant Proc. 2014 Jul-Aug; 46(6):1989-91.
        View in: PubMed
      2. Kitzmann JP, Pepper AR, Gala-Lopez B, Pawlick R, Kin T, O'Gorman D, Mueller KR, Gruessner AC, Avgoustiniatos ES, Karatzas T, Szot GL, Posselt AM, Stock PG, Wilson JR, Shapiro AM, Papas KK. Human Islet Viability and Function Is Maintained During High-density Shipment in Silicone Rubber Membrane Vessels. Transplant Proc. 2014 Jul-Aug; 46(6):1989-91.
        View in: PubMed
      3. Benedict KA, Moassesfar S, Adi S, Gitelman SE, Brennan JL, McEnhill M, Stock PG, Portale AA, Posselt AM. Combined pancreatic islet and kidney transplantation in a child with unstable type 1 diabetes and end-stage renal disease. Am J Transplant. 2013 Aug; 13(8):2207-10.
        View in: PubMed
      4. Lin MY, Tavakol MM, Sarin A, Amirkiai SM, Rogers SJ, Carter JT, Posselt AM. Laparoscopic sleeve gastrectomy is safe and efficacious for pretransplant candidates. Surg Obes Relat Dis. 2013 Sep-Oct; 9(5):653-8.
        View in: PubMed
      5. Barton FB, Rickels MR, Alejandro R, Hering BJ, Wease S, Naziruddin B, Oberholzer J, Odorico JS, Garfinkel MR, Levy M, Pattou F, Berney T, Secchi A, Messinger S, Senior PA, Maffi P, Posselt A, Stock PG, Kaufman DB, Luo X, Kandeel F, Cagliero E, Turgeon NA, Witkowski P, Naji A, O'Connell PJ, Greenbaum C, Kudva YC, Brayman KL, Aull MJ, Larsen C, Kay TW, Fernandez LA, Vantyghem MC, Bellin M, Shapiro AM. Improvement in outcomes of clinical islet transplantation: 1999-2010. Diabetes Care. 2012 Jul; 35(7):1436-45.
        View in: PubMed
      6. Lin MY, Tavakol MM, Sarin A, Amirkiai SM, Rogers SJ, Carter JT, Posselt AM. Safety and feasibility of sleeve gastrectomy in morbidly obese patients following liver transplantation. Surg Endosc. 2013 Jan; 27(1):81-5.
        View in: PubMed
      7. Berney T, Korsgren O, Posselt A, Pileggi A. Islet Transplantation & ß-Cell Replacement Therapies for Diabetes. J Transplant. 2011; 2011:157840.
        View in: PubMed
      8. Ahearn AJ, Posselt AM, Kang SM, Roberts JP, Freise CE. Experience with laparoscopic donor nephrectomy among more than 1000 cases: low complication rates, despite more challenging cases. Arch Surg. 2011 Jul; 146(7):859-64.
        View in: PubMed
      9. Rabl C, Peeva S, Prado K, James AW, Rogers SJ, Posselt A, Campos GM. Early and late abdominal bleeding after Roux-en-Y gastric bypass: sources and tailored therapeutic strategies. Obes Surg. 2011 Apr; 21(4):413-20.
        View in: PubMed
      10. Posselt AM, Szot GL, Frassetto LA, Masharani U, Tavakol M, Amin R, McElroy J, Ramos MD, Kerlan RK, Fong L, Vincenti F, Bluestone JA, Stock PG. Islet transplantation in type 1 diabetic patients using calcineurin inhibitor-free immunosuppressive protocols based on T-cell adhesion or costimulation blockade. Transplantation. 2010 Dec 27; 90(12):1595-601.
        View in: PubMed
      11. Posselt AM, Bellin MD, Tavakol M, Szot GL, Frassetto LA, Masharani U, Kerlan RK, Fong L, Vincenti FG, Hering BJ, Bluestone JA, Stock PG. Islet transplantation in type 1 diabetics using an immunosuppressive protocol based on the anti-LFA-1 antibody efalizumab. Am J Transplant. 2010 Aug; 10(8):1870-80.
        View in: PubMed
      12. Posselt AM, Szot GL, Frassetto LA, Masharani U, Stock PG. Clinical islet transplantation at the University of California, San Francisco. Clin Transpl. 2010; 235-43.
        View in: PubMed
      13. Szot GL, Lee MR, Tavakol MM, Lang J, Dekovic F, Kerlan RK, Stock PG, Posselt AM. Successful clinical islet isolation using a GMP-manufactured collagenase and neutral protease. Transplantation. 2009 Sep 27; 88(6):753-6.
        View in: PubMed
      14. James AW, Rabl C, Westphalen AC, Fogarty PF, Posselt AM, Campos GM. Portomesenteric venous thrombosis after laparoscopic surgery: a systematic literature review. Arch Surg. 2009 Jun; 144(6):520-6.
        View in: PubMed
      15. Tavakol MM, Vincenti FG, Assadi H, Frederick MJ, Tomlanovich SJ, Roberts JP, Posselt AM. Long-term renal function and cardiovascular disease risk in obese kidney donors. Clin J Am Soc Nephrol. 2009 Jul; 4(7):1230-8.
        View in: PubMed
      16. Campos GM, Rabl C, Mulligan K, Posselt A, Rogers SJ, Westphalen AC, Lin F, Vittinghoff E. Factors associated with weight loss after gastric bypass. Arch Surg. 2008 Sep; 143(9):877-883; discussion 884.
        View in: PubMed
      17. Campos GM, Bambha K, Vittinghoff E, Rabl C, Posselt AM, Ciovica R, Tiwari U, Ferrel L, Pabst M, Bass NM, Merriman RB. A clinical scoring system for predicting nonalcoholic steatohepatitis in morbidly obese patients. Hepatology. 2008 Jun; 47(6):1916-23.
        View in: PubMed
      18. Takata MC, Campos GM, Ciovica R, Rabl C, Rogers SJ, Cello JP, Ascher NL, Posselt AM. Laparoscopic bariatric surgery improves candidacy in morbidly obese patients awaiting transplantation. Surg Obes Relat Dis. 2008 Mar-Apr; 4(2):159-64; discussion 164-5.
        View in: PubMed
      19. Lee RH, Carter J, Szot GL, Posselt A, Stock P. Human albumin preserves islet mass and function better than whole serum during pretransplantation islet culture. Transplant Proc. 2008 Mar; 40(2):384-6.
        View in: PubMed
      20. Ciovica R, Takata M, Vittinghoff E, Lin F, Posselt AM, Rabl C, Stein HJ, Campos GM. The impact of roux limb length on weight loss after gastric bypass. Obes Surg. 2008 Jan; 18(1):5-10.
        View in: PubMed
      21. Mahanty HD, Posselt AM, Lipshutz GS, Schneider DB, Freise CE. Catheter-directed therapy for DVT after pancreas transplantation. Clin Transplant. 2007 Nov-Dec; 21(6):748-54.
        View in: PubMed
      22. Campos GM, Ciovica R, Rogers SJ, Posselt AM, Vittinghoff E, Takata M, Cello JP. Spectrum and risk factors of complications after gastric bypass. Arch Surg. 2007 Oct; 142(10):969-75; discussion 976.
        View in: PubMed
      23. Takata MC, Ciovica R, Cello JP, Posselt AM, Rogers SJ, Campos GM. Predictors, treatment, and outcomes of gastrojejunostomy stricture after gastric bypass for morbid obesity. Obes Surg. 2007 Jul; 17(7):878-84.
        View in: PubMed
      24. Carter JT, Tafreshian S, Campos GM, Tiwari U, Herbella F, Cello JP, Patti MG, Rogers SJ, Posselt AM. Routine upper GI series after gastric bypass does not reliably identify anastomotic leaks or predict stricture formation. Surg Endosc. 2007 Dec; 21(12):2172-7.
        View in: PubMed
      25. Sipe WE, Su M, Posselt A, Kim GE, Quiros JA, Rosenthal P. Propylthiouracil-associated liver failure presenting as probable autoimmune hepatitis in a child with Graves' disease. Pediatr Transplant. 2006 Jun; 10(4):525-8.
        View in: PubMed
      26. Melcher ML, Olson JL, Baxter-Lowe LA, Stock PG, Posselt AM. Antibody-mediated rejection of a pancreas allograft. Am J Transplant. 2006 Feb; 6(2):423-8.
        View in: PubMed
      27. Carter J, Karmiol S, Nagy M, McElreath R, Calloway C, Motley A, Neill A, Jang HJ, Posselt A, Stock P. Pretransplant islet culture: a comparison of four serum-free media using a murine model of islet transplantation. Transplant Proc. 2005 Oct; 37(8):3446-9.
        View in: PubMed
      28. Melcher ML, Carter JT, Posselt A, Duh QY, Stoller M, Freise CE, Kang SM. More than 500 consecutive laparoscopic donor nephrectomies without conversion or repeated surgery. Arch Surg. 2005 Sep; 140(9):835-9; discussion 839-40.
        View in: PubMed
      29. Carter JT, Freise CE, McTaggart RA, Mahanty HD, Kang SM, Chan SH, Feng S, Roberts JP, Posselt AM. Laparoscopic procurement of kidneys with multiple renal arteries is associated with increased ureteral complications in the recipient. Am J Transplant. 2005 Jun; 5(6):1312-8.
        View in: PubMed
      30. Lipshutz GS, Mahanty H, Feng S, Hirose R, Stock PG, Kang SM, Posselt AM, Freise CE. BKV in simultaneous pancreas-kidney transplant recipients: a leading cause of renal graft loss in first 2 years post-transplant. Am J Transplant. 2005 Feb; 5(2):366-73.
        View in: PubMed
      31. Posselt AM, Mahanty H, Kang SM, Stoller ML, Meng MV, Roberts JP, Freise CE. Laparoscopic right donor nephrectomy: a large single-center experience. Transplantation. 2004 Dec 15; 78(11):1665-9.
        View in: PubMed
      32. Freise CE, Kang SM, Feng S, Posselt A, Hirose K, Hirose R, Stock P. Experience with steroid-free maintenance immunosuppression in simultaneous pancreas-kidney transplantation. Transplant Proc. 2004 May; 36(4):1067-8.
        View in: PubMed
      33. Brennan TV, Lipshutz GS, Posselt AM, Horn JK. Congenital cleft spleen with CT scan appearance of high-grade splenic laceration after blunt abdominal trauma. J Emerg Med. 2003 Aug; 25(2):139-42.
        View in: PubMed
      34. Posselt AM, Vincenti F, Bedolli M, Lantz M, Roberts JP, Hirose R. CD69 expression on peripheral CD8 T cells correlates with acute rejection in renal transplant recipients. Transplantation. 2003 Jul 15; 76(1):190-5.
        View in: PubMed
      35. Posselt A, Kerschbaum T. Longevity of 2328 chairside Cerec inlays and onlays. Int J Comput Dent. 2003 Jul; 6(3):231-48.
        View in: PubMed
      36. Wang X, Alfrey EJ, Posselt A, Tafra L, Alak AM, Dafoe DC. Intraportal delivery of immunosuppression to intrahepatic islet allograft recipients. Transpl Int. 1995; 8(4):268-72.
        View in: PubMed
      37. Mayo GL, Posselt AM, Barker CF, Rostami S, Mayo SP, Campos L, Naji A. Prolongation of survival of donor-strain islet xenografts (rat-->mouse) by intrathymic inoculation of xenogeneic islet and bone marrow cells. Transplantation. 1994 Jul 15; 58(1):107-9.
        View in: PubMed
      38. Mayo GL, Posselt AM, Campos L, Noorchashm N, Barker CF, Naji A. Intrathymic transplantation promotes survival of islet xenografts (rat-->mouse). Transplant Proc. 1994 Apr; 26(2):758.
        View in: PubMed
      39. Campos L, Posselt AM, Deli BC, Mayo GL, Pete K, Barker CF, Naji A. The failure of intrathymic transplantation of nonimmunogenic islet allografts to promote induction of donor-specific unresponsiveness. Transplantation. 1994 Mar 27; 57(6):950-3.
        View in: PubMed
      40. Odorico JS, O'Connor T, Campos L, Barker CF, Posselt AM, Naji A. Examination of the mechanisms responsible for tolerance induction after intrathymic inoculation of allogeneic bone marrow. Ann Surg. 1993 Oct; 218(4):525-31; discussion 531-3.
        View in: PubMed
      41. Odorico JS, Posselt AM, Naji A, Markmann JF, Barker CF. Promotion of rat cardiac allograft survival by intrathymic inoculation of donor splenocytes. Transplantation. 1993 May; 55(5):1104-7.
        View in: PubMed
      42. Campos L, Alfrey EJ, Posselt AM, Odorico JS, Barker CF, Naji A. Prolonged survival of rat orthotopic liver allografts after intrathymic inoculation of donor-strain cells. Transplantation. 1993 Apr; 55(4):866-70.
        View in: PubMed
      43. Campos L, Alfrey EJ, Posselt AM, Odorico JS, Naji A, Barker CF. Intrathymic inoculation of donor cells promotes survival of rat orthotopic liver allografts. Transplant Proc. 1993 Feb; 25(1 Pt 1):488-9.
        View in: PubMed
      44. Posselt AM, Barker CF, Friedman AL, Koeberlein B, Tomaszewski JE, Naji A. Intrathymic inoculation of islets at birth prevents autoimmune diabetes and pancreatic insulitis in the BB rat. Transplant Proc. 1993 Feb; 25(1 Pt 1):301-2.
        View in: PubMed
      45. Odorico JS, Barker CF, Markmann JF, Posselt AM, Naji A. Prolonged survival of rat cardiac allografts after intrathymic inoculation of donor thymocytes. Transplant Proc. 1993 Feb; 25(1 Pt 1):295-6.
        View in: PubMed
      46. Barker CF, Posselt AM, Odorico JS, Markmann JF, Naji A. Intrathymic transplantation as a model for tolerance. Adv Nephrol Necker Hosp. 1993; 22:387-400.
        View in: PubMed
      47. Roark JH, Posselt AM, Campos L, Kim J, Chavin KD, Bromberg JS, Barker CF, Naji A. Prolongation of rat pancreatic islet allograft survival by anti-CD2 monoclonal antibody treatment. Transplantation. 1992 Dec; 54(6):1098-9.
        View in: PubMed
      48. Naji A, Posselt AM, Barker CF. Pioneering work in immune tolerance. Science. 1992 Oct 30; 258(5083):727-8.
        View in: PubMed
      49. Posselt AM, Naji A, Barker CF. Microchimerism of the thymus and graft acceptance. Lancet. 1992 Sep 5; 340(8819):617.
        View in: PubMed
      50. Odorico JS, Barker CF, Posselt AM, Naji A. Induction of donor-specific tolerance to rat cardiac allografts by intrathymic inoculation of bone marrow. Surgery. 1992 Aug; 112(2):370-6; discussion 376-7.
        View in: PubMed
      51. Posselt AM, Barker CF, Markmann JF, Roark JH, Naji A. Successful islet transplantation in the thymus of spontaneously diabetic BB rats. Transplant Proc. 1992 Jun; 24(3):1023-4.
        View in: PubMed
      52. Posselt AM, Odorico JS, Barker CF, Naji A. Promotion of pancreatic islet allograft survival by intrathymic transplantation of bone marrow. Diabetes. 1992 Jun; 41(6):771-5.
        View in: PubMed
      53. Posselt AM, Barker CF, Friedman AL, Naji A. Prevention of autoimmune diabetes in the BB rat by intrathymic islet transplantation at birth. Science. 1992 May 29; 256(5061):1321-4.
        View in: PubMed
      54. Wang X, Berezniak R, Tafra L, Posselt A, Barker CF, Dafoe DC. Intraportal FK 506 improves intrahepatic islet allograft survival. Transplant Proc. 1991 Dec; 23(6):3211-2.
        View in: PubMed
      55. Posselt AM, Naji A, Roark JH, Markmann JF, Barker CF. Intrathymic islet transplantation in the spontaneously diabetic BB rat. Ann Surg. 1991 Oct; 214(4):363-71; discussion 371-3.
        View in: PubMed
      56. Markmann JF, Posselt AM, Bassiri H, Brayman KL, Woehrle M, Hickey WF, Silvers WK, Barker CF, Naji A. Major-histocompatibility-complex restricted and nonrestricted autoimmune effector mechanisms in BB rats. Transplantation. 1991 Oct; 52(4):662-7.
        View in: PubMed
      57. Barker CF, Markmann JF, Posselt AM, Naji A. Studies of privileged sites and islet transplantation. Transplant Proc. 1991 Aug; 23(4):2138-42.
        View in: PubMed
      58. Deaton DH, Posselt AM, Naji A, Barker CF. Selective T-cell depletion of recipients in allogeneic small bowel transplantation (SBT) in the rat. Transplant Proc. 1991 Feb; 23(1 Pt 1):283-4.
        View in: PubMed
      59. Posselt AM, Barker CF, Tomaszewski JE, Markmann JF, Choti MA, Naji A. Induction of donor-specific unresponsiveness by intrathymic islet transplantation. Science. 1990 Sep 14; 249(4974):1293-5.
        View in: PubMed
      60. Markmann JF, Posselt AM, Levy M, Naji A, Barker CF. Immunologic consequences of islet MHC antigen modulation in autoimmune diabetes. Transplant Proc. 1990 Apr; 22(2):849-50.
        View in: PubMed
      61. Markmann JF, Tomaszewski J, Posselt AM, Levy MM, Woehrle M, Barker CF, Naji A. The effect of islet cell culture in vitro at 24 degrees C on graft survival and MHC antigen expression. Transplantation. 1990 Feb; 49(2):272-7.
        View in: PubMed
      62. Posselt AM, Kwong LK, Vreman HJ, Stevenson DK. Suppression of carbon monoxide excretion rate by tin protoporphyrin. Am J Dis Child. 1986 Feb; 140(2):147-50.
        View in: PubMed
      63. Posselt AM, Cowan BE, Kwong LK, Vreman HJ, Stevenson DK. Effect of tin protoporphyrin on the excretion rate of carbon monoxide in newborn rats after hematoma formation. J Pediatr Gastroenterol Nutr. 1985 Aug; 4(4):650-4.
        View in: PubMed
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