Center for Colorectal and Pelvic Floor Disorders

Faculty & Staff

Adrian E. Ortega, M.D.

CURRICULUM VITAE
Adrian E. Ortega, M.D.
Name in Full
Adrian E. Ortega, M.D.

Business Address
Adrian E. Ortega, M.D.
Chief, Colorectal Surgery Gold Service
LAC+USC Medical Center
1200 North State Street
Room 10350
Los Angeles, California 90033

Phn: 323-226-2630
Fax: 323-226-4316
Email: aortega_1@charter.net

Alternate Address
Adrian E. Ortega, M.D.
Medical Director/Chief Medical Officer
International Organization for Health and Education

U.S. Contact Information:
320 E. Andrix Street
Monterey Park, California 91755
Phn: 323-887-4213
Fax: 323-720-9131

EDUCATION

High School
Loyola High School, Los Angeles
1977

College
Stanford University, B.A., Human Biology, with Distinction,
1981

Medical School
Harvard Medical School, Boston
1985

Internships
Internal Medicine, LAC+USC Medical Center
July 1985 - June 1986

General Surgery, LAC+USC Medical Center
July 1986 - June 1987

Residency
General Surgery, LAC+USC Medical Center
July 1987 - June 1991

Fellowship
Colon and Rectal Surgery
University of Southern California
July 1987 – June 1991

Honors and Awards
USC School of Medicine – Outstanding Teacher in the 3rd year – June 2003

Jeanine Chalabian Outstanding Teacher Award – Department of Surgery, University of Southern California, June 2003

Outstanding Teaching Award
USC Graduate Medical Education Program 1995

Outstanding Community Service Award
California Hispanic American Medical Association 1996

University of California Regents Scholar 1977

High School Academic/Soccer All-American 1977

Licensure

California, Issued 9/29/86
DEA Certification

Board Certification
American Board of Surgery
Certificate #37293
June 1992 to June 2002

American Board of Colon and Rectal Surgery
June 2001

PROFESSIONAL BACKGROUND

Academic Appointments
Associate Clinical Professor of Surgery
University of Southern California
2000 – Present

Assistant Professor of Surgery
University of Southern California
1992 – 1999

Clinical Instructor in Surgery
University of Southern California
1991 – 1992

Supervisor of Residents
LAC+USC Medical Center
1991 – 1992

Specific Teaching Responsibilities:
Supervision of surgical residents and medical students on Colorectal Surgery Service USC School of Medicine 1993 - present

Supervision of surgical residents on colorectal and minimally invasive surgery service USC School of Medicine 1994 - 1996

Chief of Service, Saturday General Surgery Service LAC+USC Medical Center, supervision of surgical residents and medical students 1993 - 1993

Coordinator, surgical residents core curriculum program. USC School of Medicine February 1992 - February 1997

Coordinator of Grand Rounds USC School of Medicine July 1991 - February 1992

Supervision of medical students' surgical rotation Loma Linda School of Medicine White Memorial Medical Center January 1998 - September 1999

Supervision of family practice residents' surgical rotation White Memorial Medical Center January 1998 - September 1999

Chief, Colorectal Surgery Service, LAC+USC Medical Center, October 2002 - June 2003

Supervision of Residents and Students on the Emergency Surgery Service, LAC+USC Medical Center, July 2004 - present

Chief, Colorectal Surgery Gold Service, LAC+USC Medical Center, November 2004 - present

Director, Anorectal Physiology Laboratory, LAC+USC Medical Center, December 2004 - present

SOCIETY MEMBERSHIPS

Fellow, American Society of Colon & Rectal Surgeons, June 2003 - present

Fellow, American College of Surgeons October 1996 - present

American Society of Gastrointestinal Endoscopic Surgeons October 1992

Mexican Association of General Surgery, Board of Directors and International Advisor, November 2003 - October 2004

Society of Laparoendoscopic Surgeons December 1993

Mexican Association of Laparoscopic Surgery, Honorary Honorary, May 1995 Board of Directors, International Advisor, April 1997 - April 1998.

Mexican Society of Coloproctology, International Advisor and Program Committee, April 2003 - April 2004

Mexican Society of Coloproctology Honorary, August 1996

California Hispanic American Medical Association
Los Angeles Chapter Board of Directors
Member at Large: 1992 - 1994
Vice President: 1994 - 1996
Los Angeles Chapter President: 1996 - 1998
State President: 1996 - 1998

Society of Graduate Surgeons of LAC+USC Medical Center July 1991

Attending Staff Association LAC+USC Medical Center 1991

Los Angeles Surgical Society November 1993

Southern California Society of Colon and Rectal Surgeons, November 1995

Los Angeles Academy of Science January 1996

Co-Chairman, Third World Caucus, Harvard Medical School, 1981-1982.

President, National Chicano Medical Student Organization (NCHO), Havard Medical School, 1982-1983.

Member of the Committee on Admissions, Harvard Medical School, 1982-1983.

Member,of the Committee on Admissions, University of Southern California School of Medicine, 1995-1997.

President, Chicanos for Health Education, Stanford University, 1976-1977.

President, Academic Organizations Board, Stanford University, 1978-1979.

Co-chairman, Movimiento Estudiantil Chicano de Aztlan (MECHA), Stanford University, 1978- 1981.

Chairman, Programs Committee, Stanford University, 1979-1980.

HOSPITAL AFFILIATIONS

LAC+USC Medical Center

SPECIFIC AREAS OF CLINICAL INTEREST/EXPERTISE

Laparoscopic Colorectal Surgery
Rectal Cancer - Sphincter Preservation
Anal Incontinence
Constipation
Anorectal Physiology and Function Tests
Pelvic Organ Prolapse
Cryptoglandular Disease
Inflammatory Bowel Disease
Endoscopic Diagnosis of IBD
Rectal Prolapse
Preservation of Pelvic Neuroanatomy in Rectal Cancer Surgery
Evaluation and treatment of infectious colitis
Diagnosis and treatment of diverticular disease
Treatment of complicated diverticulitis
Evaluation and treatment of Solitary Rectal Ulcer Syndrome
Innovative concepts in surgical pedagogy
Minimally invasive techniques in the treatment of hemorrhoidal disease
Operative and non-operative treatment of anal fissures
HIV related anorectal diseases
Pilonidal Disease
Perianal Hydradentis Suppurativa
Rectal Lymphoma
Evaulation and treatment of irritable bowel syndrome
Treatment of Pernieal Sepsis
Stenting Procedures in Colonic Obstruction - bridges to elective surgery vs. definitive palliation
Complex pelvic floor reconstruction
Repair of complex inguinal hernias
Laparoscopic common bile duct exploration
Laparoscopic splenectomy
Laparoscopic adrenalectomy
Laparoscopic repair of paraesophageal hernias
Laparoscopic appendectomy and treatment of advanced periappendiceal sepsis
Endoscopic intestinal perforation
Complications of colonoscopic procedures
Dilatation of colorectal strictures
Evaluation and treatment of lower gastrointestinal bleeding
Medical and Surgical Treatment of Crohn's Disease
Ileal Pouch and Anal Anastomosis for Ulcerative Colitis
Evaluation and treatment of Crohn's peri-anal disease
Treatment of Colonic Volvulus, Stercoral Ulcer and Ischemic Bowel
Evaluation and Treatment of Colonic Pseudo-obstruction
Intestinal Stomas
Evaluation and treatment of Rectovaginal Fistula
Complex Pelvic and Anorectal Trauma

RESEARCH ACTIVITIES

Major Areas of Research Interest

    DNA markers in colorectal cancer
    Anal Incontinence
    Physiology of Laparoscopic Surgery
    Comparative Evaluation of conventional and Laparoscopic Surgery
    Oncologic Aspects of Laparoscopic Colorectal Surgery
    Evaluation and treatment of cryptoglandular disease
Research in Progress
    Prevalence of Micro-satellite instability in colorectal cancer in the Latino Population
    The association between plasma DNA methylation and colorectal polyps
Research Planned
    Collagen glue Therapy for Cryptoglandular anal fistula
    Use of Collagen Glue in the protection of low anterior rectal anastomosis
    Evaluation of anal fistula using 3D ultrasonography
GRANTS RECEIVED
Ethicon-Endosurgery/USC Department of Surgery
“Stress Responses in Laparoscopic Surgery” ($80,000)
1991 – 1992

Ethicon-Endosurgery/USC Department of Surgery
“Immune Responses in Laparoscopic and conventional Colectomy” ($40,000)
1992 – 1993

Ethicon-Endosurgery/USC Department of Surgery
“IVC Flow and Cardiac Hemodynamics in Laparoscopic Surgery” ($10,000)
1991 – 1992

Ethicon-Endosurgery/USC Department of Surgery
“Peritoneal Mobilization and Acidosis” ($10,000)
1993

"Society of American Gastrointestinal Endoscopic Surgeons " Karl Storz Corporation

1993 Award for Laparoscopic Evaluation of Thoracoabdominal Trauma ($15,000)

PUBLICATIONS
Peer Review Publications
    Peters JH, Ortega AE, Campbell JAJ, Schwartz DC, Innes JT, Ellison EC. "The Physiology of Laparoscopic Surgery I; Pulmonary Function Following Laparoscopic Surgery." Surgical Laparoscopy and Endoscopy 1993, 3(5):350.

    Ramos JM, Gupta S, Anthone GJ, Ortega AE, Simons AJ, Beart RW. Laparoscopy and colon cancer: is the port site at risk? A preliminary report. Arch Surg 1994, 129:897.

    Peters JH, Krailadsiri W, Incarbone R, Bremner CG, Froes E, Ireland A, Crookes P, Ortega AE, Anthone GA, Stain SA. Reasons for conversion from laparoscopic to open cholecystectomy in an urban teaching hospital. Am J of Surg 168:555-559, 1994.

    Ortega AE, Yellin AE, Weaver FA. Blunt trauma injuries of the internal carotid artery. Contemp Surg 1995, 46:26-29.

    Ortega AE, Hunter JG, Peters JH, Swanstrom LL, Schirmer B. A prospective, randomized comparison of laparoscopic appendectomy with open appendectomy. Am J of Surg 169:208-213, 1995.

    Ortega AE, Beart RW Jr., Steele G, Winchester D, Greene F. Laparoscopic Bowel Surgery Registry: A Preliminary Report. Dis Colon Rectum 1995, 38:681-682.

    Ramos JM, Beart RW Jr., Goes R, Ortega AE, Schlinkert RT. The role of Laparoscopy in Colorectal Surgery: A prospective evaluation of 200 cases. Dis Colon Rectum 1995, 38:494-501.

    Simons AJ, Anthone GJ, Ortega AE, Franklin M, Fleshman J, Geis WP, Beart RW Jr. Laparoscopic-assisted colectomy learning curve. Dis Colon Rectum 1995, 38:600-603.

    Ryan M, Dutta S, Masri L, Ker R, Goes R, Anthone G, Ortega A, Beart R. Fecal diversion for penetrating colon injuries - still the established treatment. Dis Colon Rectum 1995, 38:264-267.

    Leichman L, Lenz H-J, Leichman CG, Groshen S, Danenberg K, Baranda J, Spears CP, Boswell W, Silberman H, Ortega A, Stain S, Beart R, Danenber P. Quantitation of intratumoral thymidylate synthasse expression predicts for resistance to protracted infuion of 5-fluorouracial and weekly leucovorin in disseminated colorectal cancers: preliminary report from an ongoing trial. European J Cancer 1995; 31(7/8):1306-1310.

    Ortega AE, Baril N, Rivera-Lara S, Liem T, Anthone G, Beart RW Jr. Does peritoneal mobilization increase laparoscopic acidosis? Dis Colon Rectum 1995; 38:1296-1300.

    Ortega AE, Tang E, Fores ET, Asensio JA, Katkhouda N, Demitriades D. Laparoscopic evaluation of penetrating thoracoabdominal traumatic injuries. Surg Endosc 1996; 10:19-22.

    Tang E, Ortega AE, Anthone GJ, Beart RW Jr. Intraabdominal abscesses following laparoscopic and open appendectomies. Surg Endosc 1996; 10:(3):327.

    Ortega AE, Hernandez M, Peters JH, Anthone GJ, Beart RW Jr. Inferior vena cava blood flow and cardiac hemodynamics during carbon dioxide pneumoperitoneum. Surg Endosc 1996; 10(9):900.

    Ortega AE, Peters JH, Incarbone R, Estrada L, Ehsan A, Kwan Y, Moore-Jeffries E, Kuchta K, Spencer CJ, Nicoloff JT. A prosective randomized comparision of the metabolic and stress hormoneal responses of laparoscopic and open cholecystectomy. Journal of the American College of Surgeons, 1996;183:249.

    Ashton KA, Chang LK, Anthone GJ, Ortega AE, Simons AJ, Beart RW Jr. Basal and meal-stimulated colonic absorption. Dis Colon Rectum 1996; 39:685.

    Katkhouda N, Waldred DJ, Feintein D, Soliman H, Stain SC, Ortega AE, Mouiel J. Unresolved issues in Laparoscopic Splenectomy. Am J Surg 1996; 72:585.

    Vukasin P, Ortega AE, Greene FL, Steele GD, Simons AJ, Anthone GJ, Weston LA, Beart RW. Wound recurrence following laparoscopic resection. Results of the American Society of Colon and Rectal Surgeons Laparoscopic Registry. Dis Colon Rectum 1996; 39:S20-23.

    Simons AJ, Ker R, Groshen S, Gee C. Anthone GJ, Ortega AE, Vukasin P, Ross RK, Beart RW. "Variations in the treatment of rectal cancer." Dis Colon Rectum 1997;40:641.

    Paik PS, Misawa T, Chiang M, Towson J, Im S. Ortega A, Beart RW. "Abdominal incision tumor implantation following pneumoperitoneum laparoscopic procedure vs. stgandard open incision in a syngeneic rat model." Dis Colon Rectum 1998; 41 (4):419.

    Hoffstetter WL, Ly P, Anthone G, Ortega AE, Vukasin P, Beart RW. Prevalence and distribution of anorectal misdiagnosis. West J Med 1998 ; 168(6) :549.

    Hofstetter W, Ortega A, Chiang M, Brown B, Paik P, Youn P, Beart RW. Abdominal insufflation does not cause hematogenous spread of colon cancer. J Lapareoendosc Adv surg Tech A 2000 ; 10(1) ;1-4.

    Hofstetter W., Ortega A., Chiang M., Paik P, Beart RW. Effects of topical tumoricidal agents on port-site recurrence of colon cancer: An experimental study in rats. J. Lap and Adv. Surg. Tech., 2001; 11: 9-13.

    Tan P, Vukasin P, Chin I, Ciona C, Ortega A, Anthone G, Corman M, Beart R, The WAND Local Anesthetic Delivery System. Dis. Col. Rect. 2001; 44: 686-689.

    Ramirez JI, Vassiliu P, Gonzalez-Ruiz C, Vukasin P, Ortega A, Kaiser AM, 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 ;69(11) :941-5.

    Kuehne j, Kleisli T, Biernacki P, Girvigian M, Streeter O, Corman ML, Ortega AE, vukasin P, Essani R, Beart RW. Use of high-dose-rate brachytherapy in the management of locally recurrent rectal cancer. Dis colon Rectum 2003 ; 46(7) :895-9.

    Lake JP, Ortega A, Vukasin P, Kaiser AM, Kaufman HS, Beart RW. Internet use by colorectal surgery patients: A surgeon's tool for education and marketing. Am Surg. 70(6) 553 558.

    Nunoo-Mensah, JW, Ritter MP, Wasserberg N, Ortega A, Harrell D. Pseudo-aneurysm of the inferior gluteal artery: an unusual complication following abdomino-perineal resection for rectal cancer. (Submitted to Dis Colon Rectum, December 2004).

Non-Peer Review Publications

    Ortega AE, Peters JH, Ortega AE. Origenes, estado present y futuro de la video-cirugia. Medico Interamericano 1992; 11(9):41-50.

    Ortega AE, Ungson Beltran G. Evolucion de la Hernioplastia Laparoscopica. Cirujano General 1995; 17(4):307-312.

    Ortega AE, Peters JH, Ungson Beltran G, Herrera-Fernandez F. Bases fisiologicas de la Cirugia Laparoscopica. Cirujano General 1995; 17(2):123-135.

    Simons AJ, Weston LA, Beart RW Jr., Ortega AE. Anorectal problems in the HIV-positive patient. Practical Gastroenterology 1996; 20(3):38

    Golshani S, Simons AJ, Der R, Ortega AE. “Necrotizing fasciitis following laparoscopic surgery,” Surg endosc 1996;10(7):751.

    Prendergast JTW, Ortega AE, Starnes VA,Klein TR, Barr ML. “Safe application of diagnostic laparoscopy during biventricular assistance,” Ann Thor Surg 1996; 61(2):735.

    Asensio, Stewart BM, Murray J, Fox AH, Falabella A, Gomez H, Ortega A, Fuller CB, Kirsten MD. “Penetrating cardiac injuries,” Surg Clin North Am 1996;76(4)685.

    Hoffstetter WL, Vukasin P, Ortega AE, Anthone G, Beart RW. “New technique for mesh repair of paracolostomy hernias,” Dis Colon Rectum 1998;41(8)1054.

    Hofstetter W., Ortega A., Chiang M., Paik P, Beart RW. Effects of topical tumoricidal agents on port-site recurrence of colon cancer: An experimental study in rats. J. Lap and Adv. Surg. Tech., 2001; 11: 9-13.

    Tan P, Vukasin P, Chin I, Ciona C, Ortega A, Anthone G, Corman M, Beart R, The WAND Local Anesthetic Delivery System. Dis. Col. Rect. 2001; 44: 686-689.

Chapters

    Peters JH, Ortega AE. "Laparoscopic Cholecystectomy: The Difficult Gallbladder" in Laparoscopic Surgery Gadacz TR, Talamini MA, Cameron JL (eds) (Ontario, Canada: Decker Periodicals) December 1992; Vol 2 (1):110

    Peters JH, Ortega AE. "Laparoscopic Hernia Repair" in High Tech Surgery, (Hunter JG and Sackier (eds.) McMillan Publishing, 1993. Peters JH, Ortega AE. "Laparoscopic Antireflux Repair and Myotomy" in Current Opinion in Surgery, DeMeester TR (ed), Current Science, p.170-179

    Ortega AE, Peters JH. "Laparoscopic Surgery of the Liver and Spleen," in Annual of laparoscopy, Brooks D. (ed.), Current Medicine, Philadelphia, Pennsylvania, 1994. Ortega AE, Lara Rivera S. "Apendicitis" in Gastroenterologia y Hepatologia, Valenzuela J (ed.) Mexico City, McMillan, 1994. Volum I Rodes, J (eds) Santiago, Chille, Mediterraneo, 1996

    Ortega AE, Froes ET. "Minimally Invasive Approaches to Upper Gastrointestinal Perforations" in Minimally Invasive Surgery of the Foregut, DeMeester TR and Peters JH (eds.), St. Louis, Quality Medical Publishing, 1994, p.279-287

    Ortega AE, Beart RW Jr. "Laparoscopic Colon Resection" in Current Surgical Therapy, 5th Edition, Cameron JL (ed), St. Louis, Mosby, 1995.

    Ortega AE, Peters JH. "Physiology of Endoscopic Surgery" in Minimally Invasive Surgery of the Foregut, DeMeester TR and Peters JH (eds.), St Louis, Quality Medical Publishing, 1994, p. 23-37.

    Ortega AE, Tang E. "Laparoscopic Appendectomy" in Endosurgery, Touli J, Gossot D, Hunter JG (eds.), London, Churchill Livingston, 1996, p.657-664.

    Ortega AE, Beart RW Jr. "Laparoscopic Operations For Diverticular Disease" in Management of the Difficult Case, Welch JP (ed), Media, PA, Williams & Wilkins - in press.

    Berne TV, Ortega AE. "Appendicitis and Appendical Abscess" in Masters of Surgery, 3rd Edition, Nykus, CT, Baker RJ (ed.), Boston, L.H.G., Brown and Company, 1997, p. 1407-1411.

    Ortega AE, Richmon MF. Cariopulmonary responses in laparoscopic surgery. Perspective in Colon and Rectal Surgery, Schrock TR (eds.), St Louis Quality Medical Publishing, 1996, 9(1):61-69.

    Katkhouda N, Ortega AE, Waldrep D, Mouiel J. Laparoscopic Nissen Fundoplication,; techniques, pitfalls and management of complications in Prevention and Managemnt of Complication in Minimally Invasive Surgery, Lanzafame RS (ed) New York, Igaku Shoins, 1996, p. 262-270.

Invited Editorials

    Peters JH, Ortega AE: “The stress response to laparoscopic surgery: is laparoscopy a ‘gentler’ alternative?” SCOPE, Winter 1995.

    Beart RW, Ortega AE. Invited commentary to Milsom/Hammerfoffer Article, Oncology 1995;9(5):389.

    Ortega AE. Invited commentary to Kim/Milsom Article, Dis Colon Rectum 1998, 41(8):977.

Miscellaneous

    Hoffstetter WL, Ly P. Anthone G, Ortega AE, Vukasin P, Beart RW. “Prevalence and distribution of anorectal misdiagnosis,” West J Med 1998;168(6):549.

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