Glenn T. Ault, MD

Title(s)Professor of Clinical Surgery (Educational Scholar)
SchoolKeck School of Medicine of Usc
Address1975 Zonal Ave.
Health Sciences Campus
Los Angeles CA 90033
Phone+1 323 442 4093
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    Other Positions
    Title(s)Physician Director of Graduate Medical Education at Keck Medicine of USC


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    Dr. Glenn T. Ault graduated from the Hahnemann University School of Medicine in Philadelphia, PA and completed his surgical training here at the University of Southern California. Dr. Ault went on to complete his training in colorectal surgery in June 2004 at the Keck School of Medicine of USC. Upon completion of his colorectal training, he joined the faculty as Assistant Professor of Colorectal Surgery in July 2004. In addition, Dr. Ault is the Chief of Service for the Department of Colorectal Surgery at LAC+USC Medical Center.

    Dr. Ault’s major areas of research interests include Colon and Rectal Cancer, Recurrent Colon and Rectal Cancer, as well as Benign Colon, Rectal and Anal Conditions.

    Because of an interest in education, Dr. Ault completed a Masters Degree in Education at USC in 1999.

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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. Assessment of an Opioid Stewardship Program on Perioperative Opioid Prescribing in a Safety-Net Health System. JAMA Surg. 2023 03 01; 158(3):318-319. DeUgarte DA, Fleischman R, Mccollough M, Ault G, Rolfe K, de Virgilio C. PMID: 36515920; PMCID: PMC9856683.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    2. Optimizing Appropriate Disposal of Unused Postoperative Opioid: What Happens to Unused Medication? Am Surg. 2023 Nov; 89(11):4395-4400. Wlodarczyk JR, Yoon DH, Wickham CJ, Mirza KL, Lee SW, Cologne KG, Ault GT. PMID: 35799377.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    3. Reduction of Opioid Overprescribing and Use Following Standardized Educational Intervention: A Survey of Patient Experiences Following Anorectal Procedures. Dis Colon Rectum. 2021 09 01; 64(9):1129-1138. Hum Yoon D, Mirza KL, Wickham CJ, Noren ER, Chen J, Lee SW, Cologne KG, Ault GT. PMID: 34397561; PMCID: PMC8369042.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    4. LigaSure™ haemorrhoidectomy and the risk of postoperative bleeding. Colorectal Dis. 2021 10; 23(10):2699-2705. Wlodarczyk JR, Yoon D, Lai R, Ault G, Ortega A, Lee SW, Cologne KG, Koller S. PMID: 34252247.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    5. Outcomes of colostomy takedown following Hartmann's procedure: successful restoration of continuity comes with a high risk of morbidity. Colorectal Dis. 2021 Apr; 23(4):967-974. Mirza KL, Wickham CJ, Noren ER, Hwang GS, Ault GT, Ortega AE, Jafari MD, Cologne KG. PMID: 33231908.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    6. Isolated Cecal Diverticulitis in a Non-Asian Patient With Strong Family History of Colon Adenocarcinoma. Am Surg. 2023 04; 89(4):1054-1055. Henry R, Tam B, Serniak N, Ault G. PMID: 33316164.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    7. Development and emergency implementation of an online surgical education curriculum for a General Surgery program during a global pandemic: The University of Southern California experience. Am J Surg. 2021 05; 221(5):962-972. Wlodarczyk JR, Alicuben ET, Hawley L, Sullivan M, Ault GT, Inaba K. PMID: 32912661; PMCID: PMC7470743.
      View in: PubMed   Mentions: 4     Fields:    Translation:HumansCellsPHPublic Health
    8. COVID-19 Impact on Colorectal Daily Practice-How Long Will It Take to Catch Up? J Gastrointest Surg. 2021 01; 25(1):260-268. Yoon DH, Koller S, Duldulao PMN, Ault GT, Lee SW, Cologne KG. PMID: 32720109; PMCID: PMC7384582.
      View in: PubMed   Mentions: 7     Fields:    Translation:HumansCellsPHPublic Health
    9. Percutaneous drainage for hinchey Ib and II acute diverticulitis with abscess improves outcomes. Turk J Gastroenterol. 2019 Nov; 30(11):976-983. Rosen DR, Pott EG, Cologne KG, Lee SW, Ault GT, Grabo DJ, Clark DH, Strumwasser AM. PMID: 31767552; PMCID: PMC6883990.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    10. Outpatient Laparoscopic Appendectomy: Feasible in a Public County Hospital? J Am Coll Surg. 2017 Mar 13. Rosen DR, Inaba K, Oh PJ, Gutierrez AC, Strumwasser AM, Biswas S, Cala M, Ault GT. PMID: 28433247.
      View in: PubMed   Mentions: 4     Fields:    
    11. Treatment-Based Three-Dimensional Classification and Management of Anorectal Infections. World J Surg. 2017 02; 41(2):574-589. Ortega AE, Cologne KG, Shin J, Lee SW, Ault GT. PMID: 27766401.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    12. Reduction in Jail Emergency Department Visits and Closure After Implementation of On-Site Urgent Care. J Correct Health Care. 2017 Jan; 23(1):88-92. Eiting E, Korn CS, Wilkes E, Ault G, Henderson SO. PMID: 28100142.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    13. Factors Associated with a Short (<2 Days) or Long (>10 Days) Length of Stay after Colectomy: A Multivariate Analysis of over 400 Patients. Am Surg. 2016 Oct; 82(10):960-963. Cologne KG, Byers S, Rosen DR, Hwang GS, Ortega AE, Ault GT, Lee SW. PMID: 27779983.
      View in: PubMed   Mentions: 6     Fields:    Translation:Humans
    14. Initiating a Standard Venous Thromboembolism Prophylaxis Order Set Designed to Improve Patient Outcomes at Los Angeles County+University of Southern California. Am Surg. 2016 Oct; 82(10):1000-1004. Gardner D, Liman A, Autelli V, O'Connell C, Testa N, Ault G. PMID: 27779993.
      View in: PubMed   Mentions:    Fields:    Translation:HumansPHPublic Health
    15. The Role of Radio Frequency Detection System Embedded Surgical Sponges in Preventing Retained Surgical Sponges: A Prospective Evaluation in Patients Undergoing Emergency Surgery. Ann Surg. 2016 Oct; 264(4):599-604. Inaba K, Okoye O, Aksoy H, Skiada D, Ault G, Sener S, Lam L, Benjamin E, Demetriades D. PMID: 27433911.
      View in: PubMed   Mentions: 9     Fields:    Translation:Humans
    16. Operative management of diverticulitis in a tertiary care center. Am J Surg. 2017 Jul; 214(1):37-41. Rosen DR, Hwang GS, Ault GT, Ortega AE, Cologne KG. PMID: 27745889.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    17. Long-term follow-up of Fournier's Gangrene in a tertiary care center. J Surg Res. 2016 11; 206(1):175-181. Rosen DR, Brown ME, Cologne KG, Ault GT, Strumwasser AM. PMID: 27916359.
      View in: PubMed   Mentions: 7     Fields:    Translation:Humans
    18. A Novel Classification, Evaluation, and Treatment Strategy for Supralevator Abscesses. Dis Colon Rectum. 2015 Nov; 58(11):1109-10. Ortega AE, Bubbers E, Liu W, Cologne KG, Ault GT. PMID: 26445187.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    19. A novel approach to assessing technical competence of colorectal surgery residents: the development and evaluation of the Colorectal Objective Structured Assessment of Technical Skill (COSATS). Ann Surg. 2013 Dec; 258(6):1001-6. de Montbrun SL, Roberts PL, Lowry AC, Ault GT, Burnstein MJ, Cataldo PA, Dozois EJ, Dunn GD, Fleshman J, Isenberg GA, Mahmoud NN, Reznick RK, Satterthwaite L, Schoetz D, Trudel JL, Weiss EG, Wexner SD, MacRae H. PMID: 23817507.
      View in: PubMed   Mentions: 12     Fields:    Translation:Humans
    20. Are telephone interviews an adequate substitute for postoperative care? JAMA Surg. 2013 Sep; 148(9):827-8. Ault GT. PMID: 23842855.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    21. 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. Patel SS, Patel MS, Goldfarb M, Ortega A, Ault GT, Kaiser AM, Senagore AJ. PMID: 23369311.
      View in: PubMed   Mentions: 16     Fields:    Translation:Humans
    22. Rectal foreign bodies: what is the current standard? Clin Colon Rectal Surg. 2012 Dec; 25(4):214-8. Cologne KG, Ault GT. PMID: 24294123; PMCID: PMC3577617.
      View in: PubMed   Mentions: 39  
    23. Laparoscopic versus open colon resections in California: a cross-sectional analysis. Am Surg. 2012 Oct; 78(10):1063-5. Patel SS, Patel MS, Mahanti S, Ortega A, Ault GT, Kaiser AM, Senagore AJ. PMID: 23025941.
      View in: PubMed   Mentions: 5     Fields:    Translation:Humans
    24. Enhanced recovery protocol: implementation at a county institution with limited resources. Am Surg. 2012 Oct; 78(10):1041-4. Rona K, Choi J, Sigle G, Kidd S, Ault G, Senagore AJ. PMID: 23025936.
      View in: PubMed   Mentions: 7     Fields:    Translation:Humans
    25. Current controversies in the management of colon cancer. Curr Probl Surg. 2012 Jul; 49(7):398-460. Patel SS, Floyd A, Doorly MG, Ortega AE, Ault GT, Kaiser AM, Senagore AJ. PMID: 22682507.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    26. Colorectal procedures: what proportion is performed by American board of colon and rectal surgery-certified surgeons? Dis Colon Rectum. 2010 May; 53(5):713-20. Etzioni DA, Cannom RR, Madoff RD, Ault GT, Beart RW. PMID: 20389204.
      View in: PubMed   Mentions: 11     Fields:    Translation:Humans
    27. Diverticulitis in California from 1995 to 2006: increased rates of treatment for younger patients. Am Surg. 2009 Oct; 75(10):981-5. Etzioni DA, Cannom RR, Ault GT, Beart RW, Kaiser AM. PMID: 19886149.
      View in: PubMed   Mentions: 22     Fields:    Translation:Humans
    28. Inflammatory bowel disease in the United States from 1998 to 2005: has infliximab affected surgical rates? Am Surg. 2009 Oct; 75(10):976-80. Cannom RR, Kaiser AM, Ault GT, Beart RW, Etzioni DA. PMID: 19886148.
      View in: PubMed   Mentions: 25     Fields:    Translation:Humans
    29. Impact of the aging population on the demand for colorectal procedures. Dis Colon Rectum. 2009 Apr; 52(4):583-90; discussion 590-1. Etzioni DA, Beart RW, Madoff RD, Ault GT. PMID: 19404056.
      View in: PubMed   Mentions: 28     Fields:    Translation:Humans
    30. Adenocarcinoma arising in the middle of ileoanal pouches: report of five cases. Dis Colon Rectum. 2009 Mar; 52(3):538-41. Ault GT, Nunoo-Mensah JW, Johnson L, Vukasin P, Kaiser A, Beart RW. PMID: 19333060.
      View in: PubMed   Mentions: 10     Fields:    Translation:Humans
    31. Surgical excision of extensive anal condylomata not associated with risk of anal stenosis. Int J Colorectal Dis. 2008 Sep; 23(9):853-6. Klaristenfeld D, Israelit S, Beart RW, Ault G, Kaiser AM. PMID: 18548258.
      View in: PubMed   Mentions: 8     Fields:    Translation:HumansCells
    32. Morbidity of ostomy takedown. J Gastrointest Surg. 2008 Mar; 12(3):437-41. Kaiser AM, Israelit S, Klaristenfeld D, Selvindoss P, Vukasin P, Ault G, Beart RW. PMID: 18095033.
      View in: PubMed   Mentions: 36     Fields:    Translation:Humans
    33. Questions about efficacy of continuous wound catheters. J Am Coll Surg. 2007 Oct; 205(4):e2-3; author reply e3. Ley EJ, Kaiser AM, Vukasin P, Ault G, Etzioni DA, Beart RW. PMID: 17903715.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    34. Delayed rectovaginal fistula: a potential complication of bevacizumab (avastin). Dis Colon Rectum. 2007 Jun; 50(6):930. Ley EJ, Vukasin P, Kaiser AM, Ault G, Beart RW. PMID: 17429706.
      View in: PubMed   Mentions: 7     Fields:    Translation:Humans
    35. 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. Essani R, Sarkisyan G, Beart RW, Ault G, Vukasin P, Kaiser AM. PMID: 16332479.
      View in: PubMed   Mentions: 5     Fields:    Translation:Humans
    36. The management of complicated diverticulitis and the role of computed tomography. Am J Gastroenterol. 2005 Apr; 100(4):910-7. Kaiser AM, Jiang JK, Lake JP, Ault G, Artinyan A, Gonzalez-Ruiz C, Essani R, Beart RW. PMID: 15784040.
      View in: PubMed   Mentions: 141     Fields:    Translation:HumansPHPublic Health
    37. A focused breast skills workshop improves the clinical skills of medical students. J Surg Res. 2002 Aug; 106(2):303-7. Ault GT, Sullivan M, Chalabian J, Skinner KA. PMID: 12175983.
      View in: PubMed   Mentions: 5     Fields:    Translation:HumansCTClinical Trials
    38. The standardized vascular clinic: an alternative to the traditional ambulatory setting. Am J Surg. 2000 Mar; 179(3):243-6. Sullivan ME, Ault GT, Hood DB, Chalabian JR, Pripstein J, Jabbour N, Dunnington G. PMID: 10827329.
      View in: PubMed   Mentions: 1     Fields:    Translation:HumansCTClinical Trials
    39. Selective management of hepatic adenomas. Am Surg. 1996 Oct; 62(10):825-9. Ault GT, Wren SM, Ralls PW, Reynolds TB, Stain SC. PMID: 8813164.
      View in: PubMed   Mentions: 21     Fields:    Translation:Humans
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