Loading...

Andreas M. Kaiser, MD

TitleProfessor of Clinical Surgery
InstitutionUniversity of Southern California
DepartmentSurgery
Address1441 Eastlake Ave.
Health Sciences Campus
Los Angeles CA 90033
Phone+1 323 865 3690
vCardDownload vCard

    Collapse Overview 
    Collapse Overview
    Andreas M. Kaiser, MD FACS FASCRS, a Professor of Clinical Surgery, graduated in 1988 from the University of Zurich in Switzerland. After an internship in Surgical Pathology, Dr. Kaiser trained in General Surgery at the University Hospital of Zurich (1990-1998), interrupted by a two year research fellowship at Harvard Medical School. He completed a fellowship in Visceral Surgery at the University Hospital in Zurich, and in Colorectal Surgery at the Keck School of Medicine at USC. In 2001, Dr. Kaiser joined the USC faculty, and from 2008- 2009, he served as Interim Chairman of the Department of Colorectal Surgery. He is a Fellow of the American College of Surgeons (FACS) and the American Society of Colon and Rectal Surgeons (FASCRS), and a member of several national and international professional associations and committees.

    Dr. Kaiser has a special interest in colorectal diseases and provides a comprehensive and interdisciplinary treatment in the management of colorectal and anal cancer (primary, recurrent cancers, palliative setting), inflammatory bowel disease, acute diverticulitis, functional disorders of the colon and rectum, and benign disorders of the anus. He was a national expert/preceptor for the stapled hemorrhoidectomy (PPH); he is one of few experts nationwide performing continent ileostomies and was instrumental in the development of the T-pouch. He is an expert for evaluation and treatment of fecal incontinence and also one of few surgeons performing the Artificial Bowel Sphincter; most recently, he added the transanal endoscopic microsurgery for rectal polyps and early rectal cancer (TEMS) and Sacral Nerve Stimulation (Interstim) for fecal incontinence to the services offered at USC.

    Dr. Kaiser's major areas of research interest include Colorectal Cancer, Inflammatory Bowel Disease, Diverticulitis, and Fecal Incontinence.

    Dr. Kaiser is not only committed to patient-care, but also to research and education. He has written numerous articles, book chapters, including his own book "McGraw-Hill Manual of Colorectal Surgery". He is Editor-in-Chief of "Clinical and Experimental Gastroenterology", and Associate Editor of "Diseases of the Colon and Rectum", the official journal of the American Society of Colon and Rectal Surgeons; in addition, he serves on the editorial boards of the "World Journal of Gastroenterology", "World Journal of Gastrointestinal Pathophysiology", "The Open Colorectal Cancer Journal", and "The Open Surgical Oncology Journal". He is/was a member of several national committees (membership committee (chair), standards committee, program committee, CME committee). He served as Guest Editor on Hereditary Colorectal Cancer for "Seminars in Colon and Rectal Surgery", and was the lead author on a ASCRS Task Force for “New Technologies for Fecal Incontinence.”


    Collapse ORNG Applications 
    Collapse Featured Publications
    Collapse Featured Videos

    Collapse Bibliographic 
    Collapse 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.
    List All   |   Timeline
    1. Hawkins AT, Albutt K, Wise PE, Alavi K, Sudan R, Kaiser A, Bordeianou L. Abdominoperineal Resection for Rectal Cancer in the Twenty-First Century: Indications, Techniques, and Outcomes. J Gastrointest Surg. 2018 Apr 16. PMID: 29663303.
      View in: PubMed
    2. Zelhart M, Kaiser A. Robotic versus laparoscopic versus open colorectal surgery: towards defining criteria to the right choice. Surg Endosc. 2018 Jan; 32(1):24-38. PMID: 28812154.
      View in: PubMed
    3. Saldana Ruiz N, Kaiser A. Fecal incontinence - Challenges and solutions. World J Gastroenterol. 2017 Jan 07; 23(1):11-24. PMID: 28104977.
      View in: PubMed
    4. Maguire LH, Alavi K, Sudan R, Wise PE, Kaiser A, Bordeianou L. Surgical Considerations in the Treatment of Small Bowel Crohn's Disease. J Gastrointest Surg. 2017 02; 21(2):398-411. PMID: 27966058.
      View in: PubMed
    5. Kaiser A. The Author Replies. Dis Colon Rectum. 2016 Oct; 59(10):e437-8. PMID: 27602937.
      View in: PubMed
    6. Devaraj B, Liu W, Tatum J, Cologne K, Kaiser A. Medically Treated Diverticular Abscess Associated With High Risk of Recurrence and Disease Complications. Dis Colon Rectum. 2016 Mar; 59(3):208-15. PMID: 26855395.
      View in: PubMed
    7. Alavi K, Chan S, Wise P, Kaiser A, Sudan R, Bordeianou L. Fecal Incontinence: Etiology, Diagnosis, and Management. J Gastrointest Surg. 2015 Oct; 19(10):1910-21. PMID: 26268955.
      View in: PubMed
    8. Kaiser A, Hogen R, Bordeianou L, Alavi K, Wise PE, Sudan R. Erratum to: Clostridium Difficile Infection from a Surgical Perspective. J Gastrointest Surg. 2015 Aug; 19(8):1563. PMID: 26037139.
      View in: PubMed
    9. Paquette IM, Varma MG, Kaiser A, Steele SR, Rafferty JF. The American Society of Colon and Rectal Surgeons' Clinical Practice Guideline for the Treatment of Fecal Incontinence. Dis Colon Rectum. 2015 Jul; 58(7):623-36. PMID: 26200676.
      View in: PubMed
    10. Kaiser A, Hogen R, Bordeianou L, Alavi K, Wise PE, Sudan R. Clostridium Difficile Infection from a Surgical Perspective. J Gastrointest Surg. 2015 Jul; 19(7):1363-77. PMID: 25917533.
      View in: PubMed
    11. Devaraj B, Kaiser A. Surgical management of ulcerative colitis in the era of biologicals. Inflamm Bowel Dis. 2015 Jan; 21(1):208-20. PMID: 25222665.
      View in: PubMed
    12. Lamb MN, Kaiser A. Elective resection versus observation after nonoperative management of complicated diverticulitis with abscess: a systematic review and meta-analysis. Dis Colon Rectum. 2014 Dec; 57(12):1430-40. PMID: 25380010.
      View in: PubMed
    13. Smith JA, Tuchman A, Huoh M, Kaiser A, Schooler WG, Hsieh PC. Locomotor biomechanics after total sacrectomy: a case report. Spine (Phila Pa 1976). 2014 Nov 15; 39(24):E1481-7. PMID: 25202931.
      View in: PubMed
    14. Kaiser A. Evolution and future of laparoscopic colorectal surgery. World J Gastroenterol. 2014 Nov 07; 20(41):15119-24. PMID: 25386060; PMCID: PMC4223245.
    15. Bordeianou L, Maguire LH, Alavi K, Sudan R, Wise PE, Kaiser A. Sphincter-sparing surgery in patients with low-lying rectal cancer: techniques, oncologic outcomes, and functional results. J Gastrointest Surg. 2014 Jul; 18(7):1358-72. PMID: 24820137; PMCID: PMC4057635.
    16. Kaiser A, Orangio GR, Zutshi M, Alva S, Hull TL, Marcello PW, Margolin DA, Rafferty JF, Buie WD, Wexner SD. Current status: new technologies for the treatment of patients with fecal incontinence. Surg Endosc. 2014 Aug; 28(8):2277-301. PMID: 24609699.
      View in: PubMed
    17. Feingold D, Steele SR, Lee S, Kaiser A, Boushey R, Buie WD, Rafferty JF. Practice parameters for the treatment of sigmoid diverticulitis. Dis Colon Rectum. 2014 Mar; 57(3):284-94. PMID: 24509449.
      View in: PubMed
    18. Bordeianou L, Hicks CW, Kaiser A, Alavi K, Sudan R, Wise PE. Rectal prolapse: an overview of clinical features, diagnosis, and patient-specific management strategies. J Gastrointest Surg. 2014 May; 18(5):1059-69. PMID: 24352613.
      View in: PubMed
    19. Stuschke M, Kaiser A, Abu Jawad J, Pöttgen C, Levegrün S, Farr J. Multi-scenario based robust intensity-modulated proton therapy (IMPT) plans can account for set-up errors more effectively in terms of normal tissue sparing than planning target volume (PTV) based intensity-modulated photon plans in the head and neck region. Radiat Oncol. 2013 Jun 18; 8:145. PMID: 23773560; PMCID: PMC3695849.
    20. Stuschke M, Kaiser A, Abu-Jawad J, Pöttgen C, Levegrün S, Farr J. Re-irradiation of recurrent head and neck carcinomas: comparison of robust intensity modulated proton therapy treatment plans with helical tomotherapy. Radiat Oncol. 2013 Apr 20; 8:93. PMID: 23601204; PMCID: PMC3648492.
    21. Patel SS, Patel MS, Goldfarb M, Ortega A, Ault GT, Kaiser A, Senagore AJ. Elective versus emergency surgery for ulcerative colitis: a National Surgical Quality Improvement Program analysis. Am J Surg. 2013 Mar; 205(3):333-7; discussion 337-8. PMID: 23369311.
      View in: PubMed
    22. Patel SS, Patel MS, Mahanti S, Ortega A, Ault GT, Kaiser A, Senagore AJ. Laparoscopic versus open colon resections in California: a cross-sectional analysis. Am Surg. 2012 Oct; 78(10):1063-5. PMID: 23025941.
      View in: PubMed
    23. Kaiser A. Diversion with neoadjuvant vs surgery with adjuvant treatment for obstructing rectal cancer? Dis Colon Rectum. 2012 Oct; 55(10):e346. PMID: 22965410.
      View in: PubMed
    24. Chang GJ, Kaiser A, Mills S, Rafferty JF, Buie WD. Practice parameters for the management of colon cancer. Dis Colon Rectum. 2012 Aug; 55(8):831-43. PMID: 22810468.
      View in: PubMed
    25. Kaiser A, Klaristenfeld D, Beart RW. Preoperative versus postoperative radiotherapy for rectal cancer in a decision analysis and outcome prediction model. Ann Surg Oncol. 2012 Dec; 19(13):4150-60. PMID: 22766982.
      View in: PubMed
    26. Patel SS, Floyd A, Doorly MG, Ortega AE, Ault GT, Kaiser A, Senagore AJ. Current controversies in the management of colon cancer. Curr Probl Surg. 2012 Jul; 49(7):398-460. PMID: 22682507.
      View in: PubMed
    27. Stuschke M, Kaiser A, Pöttgen C, Lübcke W, Farr J. Potentials of robust intensity modulated scanning proton plans for locally advanced lung cancer in comparison to intensity modulated photon plans. Radiother Oncol. 2012 Jul; 104(1):45-51. PMID: 22560714.
      View in: PubMed
    28. Kaiser A. T-pouch: results of the first 10 years with a nonintussuscepting continent ileostomy. Dis Colon Rectum. 2012 Feb; 55(2):155-62. PMID: 22228158.
      View in: PubMed
    29. Kaiser A. Ogilvie transition to colonic perforation. Am J Surg. 2010 Jul; 200(1):e15-6. PMID: 20409529.
      View in: PubMed
    30. Soltani A, Kaiser A. Endorectal advancement flap for cryptoglandular or Crohn's fistula-in-ano. Dis Colon Rectum. 2010 Apr; 53(4):486-95. PMID: 20305451.
      View in: PubMed
    31. Dudukgian H, Sie E, Gonzalez-Ruiz C, Etzioni DA, Kaiser A. C. difficile colitis--predictors of fatal outcome. J Gastrointest Surg. 2010 Feb; 14(2):315-22. PMID: 19937192.
      View in: PubMed
    32. Cannom RR, Kaiser A, Ault GT, Beart RW, Etzioni DA. Inflammatory bowel disease in the United States from 1998 to 2005: has infliximab affected surgical rates? Am Surg. 2009 Oct; 75(10):976-80. PMID: 19886148.
      View in: PubMed
    33. Etzioni DA, Cannom RR, Ault GT, Beart RW, Kaiser A. Diverticulitis in California from 1995 to 2006: increased rates of treatment for younger patients. Am Surg. 2009 Oct; 75(10):981-5. PMID: 19886149.
      View in: PubMed
    34. Kaiser A. Giant colonic lipoma. Surgery. 2010 May; 147(5):750. PMID: 19744442.
      View in: PubMed
    35. Ault GT, Nunoo-Mensah JW, Johnson L, Vukasin P, Kaiser A, Beart RW. Adenocarcinoma arising in the middle of ileoanal pouches: report of five cases. Dis Colon Rectum. 2009 Mar; 52(3):538-41. PMID: 19333060.
      View in: PubMed
    36. Etzioni DA, Mack TM, Beart RW, Kaiser A. Diverticulitis in the United States: 1998-2005: changing patterns of disease and treatment. Ann Surg. 2009 Feb; 249(2):210-7. PMID: 19212172.
      View in: PubMed
    37. Kaiser A, Kopf A, Gericke C, Bartley J, Mechsner S. The influence of peritoneal endometriotic lesions on the generation of endometriosis-related pain and pain reduction after surgical excision. Arch Gynecol Obstet. 2009 Sep; 280(3):369-73. PMID: 19148660.
      View in: PubMed
    38. Andreas M. Kaiser.McGraw-Hill Manual: Colorectal Surgery. 2008; 760.
    39. Artinyan A, Nunoo-Mensah JW, Balasubramaniam S, Gauderman J, Essani R, Gonzalez-Ruiz C, Kaiser A, Beart RW. Prolonged postoperative ileus-definition, risk factors, and predictors after surgery. World J Surg. 2008 Jul; 32(7):1495-500. PMID: 18305994.
      View in: PubMed
    40. Klaristenfeld D, Israelit S, Beart RW, Ault G, Kaiser A. Surgical excision of extensive anal condylomata not associated with risk of anal stenosis. Int J Colorectal Dis. 2008 Sep; 23(9):853-6. PMID: 18548258.
      View in: PubMed
    41. Nunoo-Mensah JW, Kaiser A, Wasserberg N, Saedi H, Quek ML, Beart RW. Management of acquired rectourinary fistulas: how often and when is permanent fecal or urinary diversion necessary? Dis Colon Rectum. 2008 Jul; 51(7):1049-54. PMID: 18470562.
      View in: PubMed
    42. Kaiser A. Cloaca-like deformity with faecal incontinence after severe obstetric injury--technique and functional outcome of ano-vaginal and perineal reconstruction with X-flaps and sphincteroplasty. Colorectal Dis. 2008 Oct; 10(8):827-32. PMID: 18205849.
      View in: PubMed
    43. Kaiser A, Israelit S, Klaristenfeld D, Selvindoss P, Vukasin P, Ault G, Beart RW. Morbidity of ostomy takedown. J Gastrointest Surg. 2008 Mar; 12(3):437-41. PMID: 18095033.
      View in: PubMed
    44. Ley EJ, Kaiser A, Vukasin P, Ault G, Etzioni DA, Beart RW. Questions about efficacy of continuous wound catheters. J Am Coll Surg. 2007 Oct; 205(4):e2-3; author reply e3. PMID: 17903715.
      View in: PubMed
    45. Kaiser A. Multimedia article. Anovaginal reconstruction with bilateral x-flaps and sphincteroplasty for cloaca-like deformity after obstetrical injury. Dis Colon Rectum. 2007 Oct; 50(10):1707. PMID: 17701073.
      View in: PubMed
    46. Ley EJ, Vukasin P, Kaiser A, Ault G, Beart RW. Delayed rectovaginal fistula: a potential complication of bevacizumab (avastin). Dis Colon Rectum. 2007 Jun; 50(6):930. PMID: 17429706.
      View in: PubMed
    47. Wasserberg N, Nunoo-Mensah JW, Gonzalez-Ruiz C, Beart RW, Kaiser A. Colorectal cancer in HIV-infected patients: a case control study. Int J Colorectal Dis. 2007 Oct; 22(10):1217-21. PMID: 17318553.
      View in: PubMed
    48. Kaiser A, Kang JC, Chan LS, Beart RW. The prognostic impact of the time interval to recurrence for the mortality in recurrent colorectal cancer. Colorectal Dis. 2006 Oct; 8(8):696-703. PMID: 16970581.
      View in: PubMed
    49. Kaiser A, Kang JC, Tolazzi AR, Sherrod AE, Beart RW. Primary solitary extragastrointestinal stromal tumor of the greater omentum coexisting with ulcerative colitis. Dig Dis Sci. 2006 Oct; 51(10):1850-2. PMID: 16967314.
      View in: PubMed
    50. Kaiser A. Complicated diverticulitis: it is not yet time to rethink the rules! Ann Surg. 2006 May; 243(5):707-8; author reply 708-9. PMID: 16633008; PMCID: PMC1570548.
    51. Kaiser A. Abdominal pain and distension. Gut. 2006 Apr; 55(4):462, 491. PMID: 16531527; PMCID: PMC1856200.
    52. Gonzalez-Ruiz C, Kaiser A, Vukasin P, Beart RW, Ortega AE. Intraoperative physical diagnosis in the management of anal fistula. Am Surg. 2006 Jan; 72(1):11-5. PMID: 16494174.
      View in: PubMed
    53. Artinyan A, Essani R, Lake J, Kaiser A, Vukasin P, Danenberg P, Danenberg K, Haile R, Beart RW. Molecular predictors of lymph node metastasis in colon cancer: increased risk with decreased thymidylate synthase expression. J Gastrointest Surg. 2005 Dec; 9(9):1216-21; discussion 1221. PMID: 16332476.
      View in: PubMed
    54. Essani R, Sarkisyan G, Beart RW, Ault G, Vukasin P, Kaiser A. Cost-saving effect of treatment algorithm for chronic anal fissure: a prospective analysis. J Gastrointest Surg. 2005 Dec; 9(9):1237-43; discussion 1243-4. PMID: 16332479.
      View in: PubMed
    55. Kaiser A. Hyperinsulinemic hypoglycemia with nesidioblastosis after gastric-bypass surgery. N Engl J Med. 2005 Nov 17; 353(20):2192-4; author reply 2192-4. PMID: 16299937.
      View in: PubMed
    56. Wasserberg N, Kaiser A, Nunoo-Mensah JW, Biernacki P, Kleisli T, Beart RW. Preservation of bowel and urinary continence in the management of locally recurrent rectal cancer. J Surg Oncol. 2005 Oct 01; 92(1):76-81. PMID: 16180216.
      View in: PubMed
    57. Nunoo-Mensah JW, Balasubramaniam S, Wasserberg N, Artinyan A, Gonzalez-Ruiz C, Kaiser A, Beart RW, Vukasin P. Fistula-in-ano: do antibiotics make a difference? Int J Colorectal Dis. 2006 Jul; 21(5):441-3. PMID: 16091913.
      View in: PubMed
    58. Nunoo-Mensah JW, Kaiser A. Stapled hemorrhoidectomy. Am J Surg. 2005 Jul; 190(1):127-30. PMID: 15972185.
      View in: PubMed
    59. Kaiser A, Jiang JK, Lake JP, Ault G, Artinyan A, Gonzalez-Ruiz C, Essani R, Beart RW. The management of complicated diverticulitis and the role of computed tomography. Am J Gastroenterol. 2005 Apr; 100(4):910-7. PMID: 15784040.
      View in: PubMed
    60. Kaiser A. Diverticulitis in young patients: why we still should not pretend to know. Dis Colon Rectum. 2005 Jan; 48(1):172. PMID: 15690677.
      View in: PubMed
    61. Kaiser A, Nunoo-Mensah JW, Wasserberg N. Re: Surgical volume and long-term survival following surgery for colorectal cancer in the Veterans Affairs Health-Care System. Am J Gastroenterol. 2005 Jan; 100(1):250. PMID: 15654811.
      View in: PubMed
    62. Kaiser A, Kang JC, Chan LS, Vukasin P, Beart RW. Laparoscopic-assisted vs. open colectomy for colon cancer: a prospective randomized trial. J Laparoendosc Adv Surg Tech A. 2004 Dec; 14(6):329-34. PMID: 15684776.
      View in: PubMed
    63. Wasserberg N, Kaiser A. Symptomatic fecal incontinence, sonographic sphincter damage, and normal manometry. Dis Colon Rectum. 2004 Nov; 47(11):1991-2; author reply 1992. PMID: 15622598.
      View in: PubMed
    64. Lake JP, Essani R, Petrone P, Kaiser A, Asensio J, Beart RW. Management of retained colorectal foreign bodies: predictors of operative intervention. Dis Colon Rectum. 2004 Oct; 47(10):1694-8. PMID: 15540301.
      View in: PubMed
    65. Lake JP, Firoozmand E, Kang JC, Vassiliu P, Chan LS, Vukasin P, Kaiser A, Beart RW. Effect of high-dose steroids on anastomotic complications after proctocolectomy with ileal pouch-anal anastomosis. J Gastrointest Surg. 2004 Jul-Aug; 8(5):547-51. PMID: 15239989.
      View in: PubMed
    66. Lake JP, Ortega A, Vukasin P, Kaiser A, Kaufman HS, Beart RW. Internet use by colorectal surgery patients: a surgeon's tool for education and marketing. Am Surg. 2004 Jun; 70(6):553-8. PMID: 15212415.
      View in: PubMed
    67. Ramirez JI, Vassiliu P, Gonzalez-Ruiz C, Vukasin P, Ortega A, Kaiser A, Beart RW. Sequential compression devices as prophylaxis for venous thromboembolism in high-risk colorectal surgery patients: reconsidering American Society of Colorectal Surgeons parameters. Am Surg. 2003 Nov; 69(11):941-5. PMID: 14627252.
      View in: PubMed
    68. Balasubramaniam S, Kaiser A. Management options for symptomatic hemorrhoids. Curr Gastroenterol Rep. 2003 Oct; 5(5):431-7. PMID: 12959726.
      View in: PubMed
    69. Kaiser A, Beart RW. Images in clinical medicine. Chronic ulcerative colitis with megacolon. N Engl J Med. 2003 Jul 24; 349(4):358. PMID: 12878743.
      View in: PubMed
    70. Kaiser A, Ortega AE. Anorectal anatomy. Surg Clin North Am. 2002 Dec; 82(6):1125-38, v. PMID: 12516843.
      View in: PubMed
    71. Kaiser A. State of the art in gastrointestinal surgery 100 years ago: Operations in the gastrointestinal tract in general (chapter XII) and Resection of bowel carcinoma (chapter XIV) from the Textbook of Special Surgery (1897) by Eduard Albert (1841-1900). World J Surg. 2002 Dec; 26(12):1525-30. PMID: 12469244.
      View in: PubMed
    72. Kaiser A, Corman ML. Modified perianal incisions in graciloplasty for fecal incontinence. Dis Colon Rectum. 2002 May; 45(5):703-4. PMID: 12004227.
      View in: PubMed
    73. Katkhouda N, Khalil MR, Manhas S, Grant S, Velmahos GC, Umbach TW, Kaiser A. André Toupet: surgeon technician par excellence. Ann Surg. 2002 Apr; 235(4):591-9. PMID: 11923617; PMCID: PMC1422477.
    74. Kaiser A, Stein JP, Beart RW. T-pouch: a new valve design for a continent ileostomy. Dis Colon Rectum. 2002 Mar; 45(3):411-5. PMID: 12068204.
      View in: PubMed
    75. Kaiser A, Katkhouda N. Laparoscopic management of the perforated viscus. Semin Laparosc Surg. 2002 Mar; 9(1):46-53. PMID: 11979410.
      View in: PubMed
    Andreas's Networks
    Concepts
    Derived automatically from this person's publications.
    _
    Co-Authors
    People in Profiles who have published with this person.
    _
    Related Authors
    People who share related concepts with this person.
    _