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Kellie L. Mathis, M.D.

  1. Colon and Rectal Surgeon
  2. General Surgeon

Publications

  1. Grass F, Fletcher JG, Alsughayer A, Petersen M, Bruining DH, Bartlett DJ, Mathis KL, Lightner AL. Development of an Objective Model to Define Near-Term Risk of Ileocecal Resection in Patients with Terminal Ileal Crohn Disease. Inflamm Bowel Dis. 2019 Oct 18; 25 (11):1845-1853
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  2. Thiels CA, Hanson KT, Mathis KL, Novotny PJ, Truty MJ, Sloan JA, Bingener J. Prospective longitudinal cohort study of patient recovery after major gastrointestinal surgery: is there a difference between minimally invasive and open approaches? Surg Endosc. 2019 Oct 4 Epub 2019 Oct 04
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  3. McKenna NP, Habermann EB, Zielinski MD, Lightner AL, Mathis KL. Body mass index: Implications on disease severity and postoperative complications in patients with Crohn's disease undergoing abdominal surgery. Surgery. 2019 Oct; 166 (4):703-708 Epub 2019 June 28
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  4. McKenna NP, Lightner AL, Habermann EB, Mathis KL. Hemorrhoidectomy and Excision of Skin Tags in IBD: Harbinger of Doom or Simply a Disease Running Its Course? Dis Colon Rectum. 2019 Oct 1 Epub 2019 Oct 01
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  5. Grass F, Ansell J, Petersen M, Mathis KL, Lightner AL. Risk factors for 90-day readmission and return to the operating room following abdominal operations for Crohn's disease. Surgery. 2019 Sep 20 Epub 2019 Sept 20
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  6. Elias AW, Merchea A, Moncrief S, Wise KB, Colibaseanu DT, Dozois EJ, Mathis KL. Recurrence and Long-Term Survival Following Segmental Colectomy for Right-Sided Colon Cancer in 813 Patients: a Single-Institution Study. J Gastrointest Surg. 2019 Jul 3 Epub 2019 July 03
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  7. McKenna NP, Bews KA, Mathis KL, Lightner AL, Habermann EB. Surgery During Admission for an Ulcerative Colitis Flare: Should Pouch Formation Be Considered? J Surg Res. 2019 Jul; 239:216-223 Epub 2019 Mar 07
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  8. Deidda S, Crippa J, Duchalais E, Kelley SR, Mathis KL, Dozois EJ, Larson DW. Hybrid minimally invasive/open approach versus total minimally invasive approach for rectal cancer resection: short- and long-term results. Int J Colorectal Dis. 2019 Jul; 34 (7):1251-1258 Epub 2019 May 28
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  9. Shariq OA, Hanson KT, McKenna NP, Kelley SR, Dozois EJ, Lightner AL, Mathis KL, Habermann EB. Does Metabolic Syndrome Increase the Risk of Postoperative Complications in Patients Undergoing Colorectal Cancer Surgery? Dis Colon Rectum. 2019 Jul; 62 (7):849-858
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  10. Quinn KP, Prothero BL, Russell JM, Hegge RJ, von AG, Larson PA, Christofferson SN, Smyrk TC, Mathis KL, Goenka AH, Sheedy SP, Bruining DH, Fletcher JG, Loftus EV Jr, Raffals LE. Impact of a multidisciplinary eboard on the management of patients with complex inflammatory bowel disease Crohn's & Colitis 360. 2019; 1(2). Epub 2019 Aug 20.
  11. Scow JS, Mathis KL. Gastrointestinal stromal tumors (GIST) of the anus: A single institution experience. Turk J Gastroenterol. 2019 Jun; 30 (6):576-577
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  12. Kelley SR, Colibaseanu DT, Mathis KL, Lightner AL, Merchea A, Larson DW, Mishra N, Dozois EJ. Factors Influencing Colon and Rectal Surgery Residency Program Selection. J Surg Res. 2019 Jun; 238:137-143 Epub 2019 Feb 13
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  13. McKenna NP, Habermann EB, Larson DW, Kelley SR, Mathis KL. A 25 year experience of perineal hernia repair. Hernia. 2019 May 2 Epub 2019 May 02
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  14. Grass F, Lovely JK, Crippa J, Mathis KL, Hubner M, Larson DW. Early Acute Kidney Injury Within an Established Enhanced Recovery Pathway: Uncommon and Transitory. World J Surg. 2019 May; 43 (5):1207-1215
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  15. Grass F, Spindler BA, Naik ND, Thiels CA, Dozois EJ, Larson DW, Mathis KL. Oncological outcome of peripartum colorectal carcinoma-a single-center experience. Int J Colorectal Dis. 2019 May; 34 (5):899-904 Epub 2019 Mar 26
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  16. Dozois EJ, Lightner AL, Mathis KL, Chua HK, Kelley SR, Fletcher JG, Dietz AB, Friton JJ, Butler GW, Faubion WA. Early Results of a Phase I Trial Using an Adipose-Derived Mesenchymal Stem Cell-Coated Fistula Plug for the Treatment of Transsphincteric Cryptoglandular Fistulas. Dis Colon Rectum. 2019 May; 62 (5):615-622
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  17. McKenna NP, Bergquist JR, Habermann EB, Chua HK, Kelley SR, Mathis KL. Surgery and chemotherapy are associated with improved overall survival in anal adenocarcinoma: results of a national cohort study. Int J Colorectal Dis. 2019 Apr; 34 (4):607-612 Epub 2019 Jan 11
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  18. Mathis KL, Nelson H. Laparoscopic Proctectomy for Cancer. Ann Surg. 2019 Apr; 269 (4):603-604
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  19. Grass F, Lovely JK, Crippa J, Ansell J, Hubner M, Mathis KL, Larson DW. Comparison of recovery and outcome after left and right colectomy. Colorectal Dis. 2019 Apr; 21 (4):481-486 Epub 2019 Jan 18
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  20. Grass F, Braafladt S, Alabbad J, Lovely JK, Kelley SR, Mathis KL, Huebner M, Larson DW. The effects of tranexamic acid on blood loss and transfusion rate in colorectal surgery. Am J Surg. 2019 Mar 15 [Epub ahead of print]
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  21. Grass F, Crippa J, Mathis KL, Kelley SR, Larson DW. Feasibility and safety of robotic resection of complicated diverticular disease. Surg Endosc. 2019 Mar 13 [Epub ahead of print]
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  22. Nguyen A, James DR, Dozois EJ, Kelley SR, Mathis KL. The Role of Adjuvant Chemotherapy in ypT0N0 Rectal Adenocarcinoma. J Gastrointest Surg. 2019 Feb 6 Epub 2019 Feb 06
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  23. Shahjehan F, Kasi PM, Habermann E, Day CN, Colibaseanu DT, Mathis KL, Larson DW, Merchea A. Trends and outcomes of sphincter-preserving surgery for rectal cancer: a national cancer database study. Int J Colorectal Dis. 2019 Feb; 34 (2):239-245 Epub 2018 Oct 02
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  24. Colibaseanu D, Osagiede O, Merchea A, Thomas C, Bojaxhi E, Panchamia J, Jacob A, Kelley S, Mathis K, Lightner A, Naessens J, Larson D. Liposomal Bupivacaine Transverse Abdominis Plane Block versus Intrathecal Analgesia in Colorectal Surgery: A Randomized Controlled Trial British Journal of Anesthesiology. 2019.
  25. Duchalais E, Larson DW, Machairas N, Mathis KL, Dozois EJ, Kelley SR. Outcomes of Early Removal of Urinary Catheter Following Rectal Resection for Cancer. Ann Surg Oncol. 2019 Jan; 26 (1):79-85 Epub 2018 Oct 23
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  26. McKenna NP, Potter DD, Bews KA, Glasgow AE, Mathis KL, Habermann EB. Ileal-pouch anal anastomosis in pediatric NSQIP: Does a laparoscopic approach reduce complications and length of stay? J Pediatr Surg. 2019 Jan; 54 (1):112-117 Epub 2018 Oct 05
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  27. Duchalais E, Machairas N, Kelley SR, Landmann RG, Merchea A, Colibaseanu DT, Mathis KL, Dozois EJ, Larson DW. Does obesity impact postoperative outcomes following robotic-assisted surgery for rectal cancer? Surg Endosc. 2018 Dec; 32 (12):4886-4892 Epub 2018 July 09
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  28. Grass F, Hubner M, Lovely JK, Crippa J, Mathis KL, Larson DW. Ordering a Normal Diet at the End of Surgery-Justified or Overhasty? Nutrients. 2018 Nov 14; 10 (11)
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  29. Colibaseanu DT, Osagiede O, Spaulding AC, Frank RD, Merchea A, Mathis KL, Parker AS, Ailawadhi S. The Determinants of Palliative Care Use in Patients With Colorectal Cancer: A National Study. Am J Hosp Palliat Care. 2018 Oct; 35 (10):1295-1303 Epub 2018 Mar 26
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  30. Duchalais E, Glyn Mullaney T, Spears GM, Kelley SR, Mathis K, Harmsen WS, Larson DW. Prognostic value of pathological node status after neoadjuvant radiotherapy for rectal cancer. Br J Surg. 2018 Oct; 105 (11):1501-1509 Epub 2018 Apr 17
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  31. Danelich IM, Bergquist JR, Bergquist WJ, Osborn JL, Wright SS, Tefft BJ, Sturm AW, Langworthy DR, Mandrekar J, Devine RM, Kelley SR, Mathis KL, Pemberton JH, Jacob AK, Larson DW. Early Diuresis After Colon and Rectal Surgery Does Not Reduce Length of Hospital Stay: Results of a Randomized Trial. Dis Colon Rectum. 2018 Oct; 61 (10):1187-1195
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  32. McKenna NP, Habermann EB, Glasgow AE, Mathis KL, Lightner AL. Risk factors for readmission following ileal pouch-Anal anastomosis: an American College of Surgeons National Surgical Quality Improvement Program analysis. J Surg Res. 2018 Sep; 229:324-331 Epub 2018 May 10
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  33. McKenna NP, Bews KA, Behm KT, Mathis KL, Lightner AL, Habermann EB. Do Patients With Inflammatory Bowel Disease Have a Higher Postoperative Risk of Venous Thromboembolism or Do They Undergo More High-risk Operations? Ann Surg. 2018 Aug 30 [Epub ahead of print]
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  34. Lightner AL, Shogan BD, Mathis KL, Larson DW, Duchalais E, Pemberton JH, Dozois EJ. Revisional and Reconstructive Surgery for Failing IPAA is Associated with Good Function and Pouch Salvage in Highly Selected Patients. Dis Colon Rectum. 2018 Aug; 61 (8):920-930
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  35. Duchalais E, Machairas N, Kelley SR, Landmann RG, Merchea A, Colibaseanu DT, Mathis KL, Dozois EJ, Larson DW. Does prolonged operative time impact postoperative morbidity in patients undergoing robotic-assisted rectal resection for cancer? Surg Endosc. 2018 Aug; 32 (8):3659-3666 Epub 2018 Mar 15
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  36. McKenna NP, Mathis KL, Pemberton JH, Lightner AL. The Impact of Age at Time of Ileal Pouch Anal Anastomosis on Short and Long-Term Outcomes in Adults. Inflamm Bowel Dis. 2018 Jul 12; 24 (8):1857-1865
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  37. Lightner AL, McKenna NP, Tse CS, Hyman N, Smith R, Ovsepyan G, Fleshner P, Crowell K, Koltun W, Ferrante M, D'Hoore A, Lauwers N, Verstockt B, Spinelli A, DiCandido F, Raffals LE, Mathis KL, Loftus EV Jr. Postoperative Outcomes in Ustekinumab-Treated Patients Undergoing Abdominal Operations for Crohn's Disease. J Crohns Colitis. 2018 Mar 28; 12 (4):402-407
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  38. Lightner AL, Mathis KL, Tse CS, Pemberton JH, Shen B, Kochhar G, Singh A, Dulai PS, Eisenstein S, Sandborn WJ, Parry L, Stringfield S, Hudesman D, Remzi F, Loftus EV Jr. Postoperative Outcomes in Vedolizumab-Treated Patients Undergoing Major Abdominal Operations for Inflammatory Bowel Disease: Retrospective Multicenter Cohort Study. Inflamm Bowel Dis. 2018 Mar 19; 24 (4):871-876
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  39. Collins D, Machairas N, Duchalais E, Landmann RG, Merchea A, Colibaseanu DT, Kelley SR, Mathis KL, Dozois EJ, Larson DW. Participation of Colon and Rectal Fellows in Robotic Rectal Cancer Surgery: Effect on Surgical Outcomes. J Surg Educ. 2018 Mar - Apr; 75 (2):465-470 Epub 2017 July 15
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  40. Lightner AL, McKenna NP, Tse CS, Raffals LE, Loftus EV Jr, Mathis KL. Postoperative outcomes in vedolizumab-treated Crohn's disease patients undergoing major abdominal operations. Aliment Pharmacol Ther. 2018 Mar; 47 (5):573-580 Epub 2017 Dec 18
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  41. Merchea A, Lovely JK, Jacob AK, Colibaseanu DT, Kelley SR, Mathis KL, Spears GM, Huebner M, Larson DW. Efficacy and Outcomes of Intrathecal Analgesia as Part of an Enhanced Recovery Pathway in Colon and Rectal Surgical Patients. Surg Res Pract. 2018; 2018:8174579 Epub 2018 Mar 01
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  42. Grass F, Mathis K. Novelties in treatment of locally advanced rectal cancer. F1000Res. 2018; 7 Epub 2018 Nov 29
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  43. Parker ME, Mathis KL, Kelley SR. Severity of diverticulitis in patients with polycystic kidney disease without transplantation. Int J Colorectal Dis. 2017 Dec; 32 (12):1767-1770 Epub 2017 Sept 30
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  44. McKenna NP, Mathis KL, Khasawneh MA, Dozois EJ, Larson DW, Pemberton JH, Lightner AL. Obese Patients Undergoing Ileal Pouch-Anal Anastomosis: Short-and Long-term Surgical Outcomes. Inflamm Bowel Dis. 2017 Dec; 23 (12):2142-2146
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  45. Lightner AL, McKenna NP, Moncrief S, Pemberton JH, Raffals LE, Mathis KL. Surgical Outcomes in Vedolizumab-Treated Patients with Ulcerative Colitis. Inflamm Bowel Dis. 2017 Dec; 23 (12):2197-2201
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  46. AlJamal YN, Mathis K, Dozois E. Risk free simulated environment for assessing the colorectal fellows technical skills Austin Journal of Surgery. 2017 Dec; 4 (5):1118
  47. Lightner AL, Fletcher JG, Pemberton JH, Mathis KL, Raffals LE, Smyrk T. Crohn's Disease of the Pouch: A True Diagnosis or an Oversubscribed Diagnosis of Exclusion? Dis Colon Rectum. 2017 Nov; 60 (11):1201-1208
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  48. McKenna NP, Mathis KL, Khasawneh M, Shariq O, Dozois EJ, Larson DW, Lightner AL. Thirty-Day Hospital Readmission After Restorative Proctocolectomy and Ileal Pouch Anal Anastomosis for Chronic Ulcerative Colitis at a High-Volume Center. J Gastrointest Surg. 2017 Nov; 21 (11):1859-1864 Epub 2017 Aug 24
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  49. Lightner AL, Dattani S, Dozois EJ, Moncrief SB, Pemberton JH, Mathis KL. Pouch excision: indications and outcomes. Colorectal Dis. 2017 Oct; 19 (10):912-916
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  50. Baek SJ, Lightner AL, Boostrom SY, Mathis KL, Cima RR, Pemberton JH, Larson DW, Dozois EJ. Functional Outcomes Following Laparoscopic Ileal Pouch-Anal Anastomosis in Patients with Chronic Ulcerative Colitis: Long-Term Follow-up of a Case-Matched Study. J Gastrointest Surg. 2017 Aug; 21 (8):1304-1308 Epub 2017 May 03
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  51. McKenna NP, Behm KT, Ubl DS, Glasgow AE, Mathis KL, Pemberton JH, Habermann EB, Cima RR. Analysis of Postoperative Venous Thromboembolism in Patients With Chronic Ulcerative Colitis: Is It the Disease or the Operation? Dis Colon Rectum. 2017 Jul; 60 (7):714-722
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  52. Spindler BA, Bergquist JR, Thiels CA, Habermann EB, Kelley SR, Larson DW, Mathis KL. Incorporation of CEA Improves Risk Stratification in Stage II Colon Cancer. J Gastrointest Surg. 2017 May; 21 (5):770-777 Epub 2017 Mar 13
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  53. Lightner AL, Moncrief SB, Smyrk TC, Pemberton JH, Haddock MG, Larson DW, Dozois EJ, Mathis KL. Long-standing Crohn's disease and its implication on anal squamous cell cancer management. Int J Colorectal Dis. 2017 May; 32 (5):661-666 Epub 2017 Mar 14
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  54. Lightner AL, Mathis KL, Dozois EJ, Hahnsloser D, Loftus EV Jr, Raffals LE, Pemberton JH. Results at Up to 30 Years After Ileal Pouch-Anal Anastomosis for Chronic Ulcerative Colitis. Inflamm Bowel Dis. 2017 May; 23 (5):781-790
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  55. Lightner AL, Pemberton JH, Dozois EJ, Larson DW, Cima RR, Mathis KL, Pardi DS, Andrew RE, Koltun WA, Sagar P, Hahnloser D. The surgical management of inflammatory bowel disease. Curr Probl Surg. 2017 Apr; 54 (4):172-250 Epub 2017 Feb 21
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  56. Lightner Amy, Pemberton John, Dozois Eric, Larson David, Cima Robert, Mathis Kellie, Pardi Darrell. In Brief Current Problems in Surgery. 2017; 54(4):163-6.
  57. Thiels CA, Bergquist JR, Krajewski AC, Lee HE, Nelson H, Mathis KL, Habermann EB, Cima RR. Outcomes of Primary Colorectal Sarcoma: A National Cancer Data Base (NCDB) Review. J Gastrointest Surg. 2017 Mar; 21 (3):560-568 Epub 2017 Jan 17
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  58. Lightner AL, Raffals LE, Mathis KL, Cima RR, Tse CS, Pemberton JH, Dozois EJ, Loftus EV. Postoperative Outcomes in Vedolizumab-Treated Patients Undergoing Abdominal Operations for Inflammatory Bowel Disease. J Crohns Colitis.2017 Feb;11:(2):185-190.
  59. Bergquist JR, Thiels CA, Spindler BA, Shubert CR, Hayman AV, Kelley SR, Larson DW, Habermann EB, Pemberton JH, Mathis KL. Benefit of Postresection Adjuvant Chemotherapy for Stage III Colon Cancer in Octogenarians: Analysis of the National Cancer Database. Dis Colon Rectum. 2016 Dec; 59 (12):1142-1149
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  60. Khasawneh MA, McKenna NP, Abdelsattar ZM, Johnson A, Dozois EJ, Pemberton JH, Mathis KL. Impact of BMI on Ability to Successfully Create an IPAA. Dis Colon Rectum. 2016 Nov; 59 (11):1034-1038
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  61. Thiels CA, Hanson KT, Yost KJ, Mathis KL, Cima RR, Zielinski MD, Habermann EB. Achieving a 5-star rating: Analysis of Hospital Consumer Assessment of Healthcare Providers and Systems (HCAHPS) scores among patients undergoing elective colorectal operations. Surgery. 2016 Oct; 160 (4):902-914 Epub 2016 July 27
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  62. Thiels CA, Shenoy CC, Ubl DS, Habermann EB, Kelley SR, Mathis KL. Rates, trends, and short-term outcomes of colorectal resections for endometriosis: An ACS-NSQIP review. Int J Surg. 2016 Jul; 31:5-9 Epub 2016 May 20
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  63. Thiels CA, Naik ND, Bergquist JR, Spindler BA, Habermann EB, Kelley SR, Wolff BG, Mathis KL. Survival following synchronous colon cancer resection. J Surg Oncol. 2016 Jul; 114: (1)80-5.
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  64. Baek SJ, Dozois EJ, Mathis KL, Lightner AL, Boostrom SY, Cima RR, Pemberton JH, Larson DW. Safety, feasibility, and short-term outcomes in 588 patients undergoing minimally invasive ileal pouch-anal anastomosis: a single-institution experience. Tech Coloproctol. 2016 Jun; 20 (6):369-374 Epub 2016 Apr 27
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  65. Martinez Ugarte ML, Lightner AL, Colibaseanu D, Khanna S, Pardi DS, Dozois EJ, Mathis KL. Clostridium difficile infection after restorative proctocolectomy and ileal pouch anal anastomosis for ulcerative colitis. Colorectal Dis. 2016 May; 18 (5):O154-7
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  66. Bergquist JR, Thiels CA, Shubert CR, Habermann EB, Hayman AV, Zielinski MD, Mathis KL. Is Chemotherapy or Radiation Therapy in Addition to Surgery Beneficial for Locally Advanced Rectal Cancer in the Elderly? A National Cancer Data Base (NCDB) Study. World J Surg. 2016 Feb; 40 (2):447-55
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  67. Thiels CA, Bergquist JR, Meyers AJ, Johnson CL, Behm KT, Hayman AV, Habermann EB, Larson DW, Mathis KL. Outcomes with multimodal therapy for elderly patients with rectal cancer. Br J Surg. 2016 Jan; 103: (2)e106-14.
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  68. Singh S, Ding NS, Mathis KL, Dulai PS, Farrell AM, Pemberton JH, Hart AL, Sandborn WJ, Loftus EV Jr. Systematic review with meta-analysis: faecal diversion for management of perianal Crohn's disease. Aliment Pharmacol Ther. 2015 Oct; 42 (7):783-92 Epub 2015 Aug 11
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  69. Bikhchandani J, Ong GK, Dozois EJ, Mathis KL. Outcomes of salvage surgery for cure in patients with locally recurrent disease after local excision of rectal cancer. Dis Colon Rectum. 2015 Mar; 58(3):283-7.
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  70. Mathis KL, Pemberton JH. New developments in colorectal surgery. Curr Opin Gastroenterol. 2015 Jan; 31(1):62-8.
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  71. Imam MH, Eaton JE, Puckett JS, Loftus EV Jr, Mathis KL, Gossard AA, Talwalkar JA, Lindor KD. Neoplasia in the ileoanal pouch following colectomy in patients with ulcerative colitis and primary sclerosing cholangitis. J Crohns Colitis. 2014 Oct; 8: (10)1294-9.
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  72. Colibaseanu DT, Dozois EJ, Mathis KL, Rose PS, Ugarte ML, Abdelsattar ZM, Williams MD, Larson DW. Extended sacropelvic resection for locally recurrent rectal cancer: can it be done safely and with good oncologic outcomes? Dis Colon Rectum. 2014 Jan; 57: (1)47-55.
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  73. Mathis KL, Nelson H. Controversies in laparoscopy for colon and rectal cancer. Surg Oncol Clin N Am. 2014 Jan; 23(1):35-47. Epub 2013 Oct 23.
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  74. Mathis KL, Cima RR. Quality assurance in colon and rectal cancer surgery. Surg Oncol Clin N Am. 2014 Jan; 23(1):11-23. Epub 2013 Oct 26.
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  75. Boostrom SY, Mathis KL, Pendlimari R, Cima RR, Larson DW, Dozois EJ. Risk of neoplastic change in ileal pouches in familial adenomatous polyposis. J Gastrointest Surg. 2013 Oct; 17 (10):1804-8 Epub 2013 Aug 15
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  76. Abdelsattar ZM, Mathis KL, Colibaseanu DT, Merchea A, Bower TC, Larson DW, Dozois EJ. Surgery for locally advanced recurrent colorectal cancer involving the aortoiliac axis: can we achieve R0 resection and long-term survival? Dis Colon Rectum. 2013 Jun; 56: (6)711-6.
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  77. Mathis KL, Boostrom SY, Pemberton JH. New developments in colorectal surgery. Curr Opin Gastroenterol. 2013 Jan; 29(1):72-8.
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  78. Colibaseanu DT, Mathis KL, Abdelsattar ZM, Larson DW, Haddock MG, Dozois EJ. Is curative resection and long-term survival possible for locally re-recurrent colorectal cancer in the pelvis? Dis Colon Rectum. 2013 Jan; 56: (1)14-9.
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  79. Mathis KL, Green EM, Sargent DJ, Delaney C, Simmang CL, Nelson H. Surgical quality surrogates do not predict colon cancer survival in the setting of technical credentialing: a report from the prospective COST trial. Ann Surg. 2013 Jan; 257(1):102-7.
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  80. Mathis KL, Nelson H. Randomized controlled trials in surgical oncology: where do we stand? Surg Oncol Clin N Am. 2012 Jul; 21(3):449-66, ix. Epub 2012 Apr 17.
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  81. Mathis KL, Larson DW, Dozois EJ, Cima RR, Huebner M, Haddock MG, Wolff BG, Nelson H, Pemberton JH. Outcomes following surgery without radiotherapy for rectal cancer. Br J Surg. 2012 Jan; 99(1):137-43 Epub 2011 Nov 3.
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  82. Boostrom SY, Mathis KL, Pemberton JH. Laparoscopic versus open surgery in Crohn's disease. Inflammatory Bowel Disease Monitor. 2012; 13(2):43-50.
  83. Mathis KL, Larson DW, Dozois , EJ, Cima , RR, Huebner , M, Haddock , MG, Wolff , BG, Nelson , H, Pemberton , JH. Authors' Reply: Outcomes Following Surgery Without Radiotherapy for Rectal Cancer Br J Surg.2012;99:(6)879.
  84. Mathis KL, Benavente-Chenhalls LA, Dozois EJ, Wolff BG, Larson DW. Short- and long-term surgical outcomes in patients undergoing proctocolectomy with ileal pouch-anal anastomosis in the setting of primary sclerosing cholangitis. Dis Colon Rectum. 2011 Jul; 54(7):787-92.
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  85. Levitt MA, Mathis KL, Pemberton JH. Surgical treatment for constipation in children and adults. Best Pract Res Clin Gastroenterol. 2011 Feb; 25(1):167-79.
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  86. Mathis KL, Cima RR, Pemberton JH. New developments in colorectal surgery. Curr Opin Gastroenterol. 2011 Jan; 27(1):48-53.
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  87. Mathis KL, Dozois EJ, Grewal MS, Metzger P, Larson DW, Devine RM. Malignant risk and surgical outcomes of presacral tailgut cysts. Br J Surg. 2010 Apr; 97(4):575-9.
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  88. Mathis KL, Hoskin TL, Boughey JC, Crownhart BS, Brandt KR, Vachon CM, Grant CS, Degnim AC. Palpable presentation of breast cancer persists in the era of screening mammography. J Am Coll Surg. 2010 Mar; 210: (3)314-8.
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  89. Reid-Lombardo KM, Mathis KL, Wood CM, Harmsen WS, Sarr MG. Frequency of extrapancreatic neoplasms in intraductal papillary mucinous neoplasm of the pancreas: implications for management. Ann Surg. 2010 Jan; 251(1):64-9.
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  90. Mathis KL, Dozois EJ, Larson DW, Cima RR, Wolff BG, Pemberton JH. Outcomes in patients with ulcerative colitis undergoing partial or complete reconstructive surgery for failing ileal pouch-anal anastomosis. Ann Surg. 2009 Mar; 249(3):409-13.
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  91. Mathis KL, Nelson H, Pemberton JH. Can unresectable colorectal cancer be cured? Adv Surg. 2009; 43:211-9
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  92. Mathis KL, Nelson H, Pemberton JH, Haddock MG, Gunderson LL. Unresectable colorectal cancer can be cured with multimodality therapy. Ann Surg. 2008 Oct; 248 (4):592-8
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  93. Rohrer AJ, Porterfield JR Jr, Grinberg GG, Mathis KL, Farley DR. Acute epigastric pain with an obscure origin. Contemp Surg. 2008 Jul; 64(7):321-4.
  94. Mathis KL, Dozois EJ, Larson DW, Cima RR, Sarmeinto JM, Wolff BG, Heimbach JK, Pemberton JH. Ileal pouch-anal anastomosis, liver transplantation for ulcerative colitis complicated by primary sclerosing cholangitis. Br J Surg. 2008 May 21.
  95. Benavente-Chenhalls L, Mathis KL, Dozois EJ, Cima RR, Pemberton JH, Larson DW. Laparoscopic ileal pouch-anal anastomosis in patients with chronic ulcerative colitis and primary sclerosing cholangitis: a case-matched study. Dis Colon Rectum. 2008 May; 51(5):549-53. Epub 2008 Mar 04.
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  96. Mathis KL, Farley DR. Operative management of symptomatic duodenal diverticula. Am J Surg. 2007 Mar; 193(3):305-8; discussion 308-9.
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  97. Mathis KL, Wiegmann DA. Construct Validation of a Laparoscopic Simulator. Simulation in Healthcare. 2007; 2(3):178-82.
  98. Podgaetz E, Mathis KL, Farley DR. Imaging in Breast Cancer Detection: Mammography, Ultrasound, MRI and PET: Friends or Foes? Contemporary Surgery. 2006; 62(8):365-8.
PST-20226720