Publications Print Violante T, Ferrari D, Mathis KL, Behm KT, Shawki SF, Dozois EJ, Cima RR, Larson DW. Navigating Progress: 8-Year Single-Center Experience With Minimally Invasive Proctectomy and IPAA. Dis Colon Rectum. 2024 Nov 1; 67 (11):1437-1442 Epub 2024 Aug 01 View PubMed Gomaa I, Aboelmaaty S, Bhatt H, Vierkant RA, Shawki SF, Larson DW, Behm KT, Rumer KK. Tofacitinib Exposure Does Not Increase Postoperative Complications Among Patients With Ulcerative Colitis Undergoing Total Colectomy: A Retrospective Case-Control Study. Dis Colon Rectum. 2024 Nov 1; 67 (11):1443-1449 Epub 2024 Aug 01 View PubMed Violante T, Ferrari D, Novelli M, Behm KT, Perry WR, Mathis KL, Dozois EJ, Merchea A, Shawki SS, Larson DW. Evaluating the Impact of Robotic IPAA: A Case-Matched Analysis from a High-Volume Center. Ann Surg. 2024 Sep 5 Epub 2024 Sept 05 View PubMed Garfinkle R, Bews KA, Perry WRG, Behm KT, Cima RR, Mathis KL, McKenna NP. Postoperative bowel dysfunction in patients with rectal cancer - Does a minimally invasive surgical approach improve outcomes? Eur J Surg Oncol. 2024 Sep 3; 50 (12):108661 Epub 2024 Sept 03 View PubMed Violante T, Ferrari D, Gomaa IA, Aboelmaaty SA, Behm KT, Cima RR. Robotic parastomal hernia repair: A single-center cohort study. Updates Surg. 2024 Sep 2 Epub 2024 Sept 02 View PubMed D'Angelo JD, Rivera M, Rasmussen TE, Nelson MH, Behm KT, Kelley SR, D'Angelo AD. Assessing the stops framework for coping with intraoperative errors: Evidence of efficacy, hints of hubris, and a bridge to abridging burnout. Surgery. 2024 Aug; 176(2):319-323. Epub 2024 May 18. View PubMed Ferrari D, Violante T, Bin Zubair A, Rumer KK, Shawki SF, Merchea A, Stocchi L, Behm KT, Lovely JK, Larson DW. Rethinking postoperative care: same-day ileostomy closure discharge improves patient outcomes. J Gastrointest Surg. 2024 May; 28 (5):667-671 Epub 2024 Feb 10 View PubMed Violante T, Behm KT, Shawki SF, Ferrari D, D'Angelo AD, Kelley SR, Nitin M, Larson DW. Robotic-assisted reoperative ileal pouch-anal anastomosis: robotic pouch excision and pouch revision. Tech Coloproctol. 2024 Apr 1; 28 (1):43 Epub 2024 Apr 01 View PubMed Violante T, Ferrari D, Gomaa IA, Rumer KK, D'Angelo AD, Behm KT, Shawki SF, Perry WRG, Kelley SR, Mathis KL, Dozois EJ, Cima RR, Larson DW. Evolution of laparoscopic ileal pouch-anal anastomosis: impact of enhanced recovery program, medication changes, and staged approaches on outcomes. J Gastrointest Surg. 2024 Apr; 28(4):501-506. Epub 2024 Jan 23. View PubMed McKenna NP, Bews KA, Behm KT, Mathis KL, Cima RR, Habermann EB. Timing and Location of Venous Thromboembolisms After Surgery for Inflammatory Bowel Disease. J Surg Res. 2024 Apr; 296:563-570 Epub 2024 Feb 09 View PubMed D'Angelo AD, Rivera M, Rasmussen TE, Nelson MH, Behm KT, Kelley SR, D'Angelo JD. Implementation of a Brief Evidence-Based Intraoperative Coping Curriculum. J Surg Educ. 2023 Dec; 80(12):1737-1740. Epub 2023 Sep 09. View PubMed Fiorentini G, Zironda A, Calini G, Abdalla S, Nagorney DM, Warner SG, Smoot RL, Behm KT, Shawki SF, Mathis KL, Vierkant RA, Larson DW, Cleary SP. Minimally invasive vs. open approach to the simultaneous treatment of colorectal tumors with synchronous liver metastasis: a single center, propensity-score matched analysis from Mayo clinic. HPB (Oxford). 2023 Nov; 25 (11):1337-1344 Epub 2023 June 24 View PubMed Calini G, Abdalla S, Abd El Aziz MA, Merchea A, Larson DW, Behm KT. Ileocolic resection for Crohn's disease: robotic intracorporeal compared to laparoscopic extracorporeal anastomosis. J Robot Surg. 2023 Oct; 17 (5):2157-2166 Epub 2023 June 01 View PubMed Calini G, Abdalla S, Abd El Aziz MA, Benammi S, Merchea A, Behm KT, Mathis KL, Larson DW. Open approach for ileocolic resection in Crohn's disease in the era of minimally invasive surgery: indications and perioperative outcomes in a referral center. Updates Surg. 2023 Aug; 75 (5):1179-1185 Epub 2023 May 06 View PubMed Abd El Aziz MA, Abdalla S, Calini G, Saeed H, D'Angelo AL, Behm KT, Shawki S, Mathis KL, Larson DW. Robotic Redo Ileocolonic Resection for Crohn's Disease: A Preliminary Report From a Tertiary Care Center. Dis Colon Rectum. 2023 Aug 1; 66 (8):1095-1101 Epub 2022 Nov 21 View PubMed Calini G, Abdalla S, Aziz MAAE, Behm KT, Shawki SF, Mathis KL, Larson DW. Incisional hernia rates between intracorporeal and extracorporeal anastomosis in minimally invasive ileocolic resection for Crohn's disease. Langenbecks Arch Surg. 2023 Jun 29; 408 (1):251 Epub 2023 June 29 View PubMed Inoue A, Sheedy SP, Wells ML, Mileto A, Goenka AH, Ehman EC, Yalon M, Murthy NS, Mathis KL, Behm KT, Shawki SF, Bruining DH, Graham RP, Fletcher JG. Rectal cancer pelvic recurrence: imaging patterns and key concepts to guide treatment planning. Abdom Radiol (NY). 2023 Jun; 48 (6):1867-1879 Epub 2023 Feb 04 View PubMed Rudnicki Y, Pery R, Shawki S, Warner S, Cleary SP, Behm KT. A Synchronous Robotic Resection of Colorectal Cancer and Liver Metastases-Our Initial Experience. J Clin Med. 2023 May 2; 12 (9) Epub 2023 May 02 View PubMed McKenna NP, Bews KA, Behm KT, Habermann EB, Cima RR. Postoperative Venous Thromboembolism in Colon and Rectal Cancer: Do Tumor Location and Operation Matter? J Am Coll Surg. 2023 Apr 1; 236 (4):658-665 Epub 2023 Jan 09 View PubMed McKenna NP, Kelley SR, Bews KA, Behm KT, Mathis KL. Surgical Management of Enterovesical Fistula in Crohn's Disease in the Biologic Era. Inflamm Bowel Dis. 2023 Mar 1; 29 (3):480-482 View PubMed Gan T, Naik ND, Hebert KJ, Viers BR, Kelley SR, Behm KT. Robotic Transanal Minimally Invasive Surgery: Rectourethral Fistula Closure. Dis Colon Rectum. 2023 Mar 1; 66 (3):e120 Epub 2022 Dec 21 View PubMed Gan T, Naik ND, Hebert KJ, Viers BR, Kelley SR, Behm KT. Robotic Transanal Minimally Invasive Surgery: Rectourethral Fistula Closure. Dis Colon Rectum. 2023 Mar 1; 66 (3):e120 Epub 2022 Dec 21 View PubMed Abd El Aziz MA, Grass F, Calini G, Behm KT, D'Angelo AL, Kelley SR, Mathis KL, Larson DW. Oral Antibiotics Bowel Preparation Without Mechanical Preparation for Minimally Invasive Colorectal Surgeries: Current Practice and Future Prospects. Dis Colon Rectum 2022 Sep 1; 65 (9):e897-e906 Epub 2021 Nov 24 View PubMed Warring SK, Cope AG, Youssef Y, VanBuren WM, Burnett TL, Langstraat CL, Behm KT, Khan Z. Excision of Deep Endometriosis of the Rectosigmoid: Individualizing Care to the Presenting Pathology. J Minim Invasive Gynecol. 2022 Sep; 29 (9):1037 Epub 2022 June 22 View PubMed Abd El Aziz MA, Calini G, Abdalla S, Saeed HA, Lovely JK, D'Angelo AD, Behm KT, Mathis KL, Larson DW. Acute social isolation and postoperative surgical outcomes. Lessons learned from COVID-19 pandemic. Minerva Surg. 2022 Aug; 77 (4):348-353 View PubMed Abdalla S, Abd El Aziz MA, Calini G, Saeed H, Merchea A, Shawki S, Behm KT, Larson DW. Perioperative outcomes of minimally invasive ileocolic resection for complicated Crohn disease: Results from a referral center retrospective cohort. Surgery. 2022 Aug; 172 (2):522-529 Epub 2022 Mar 23 View PubMed Calini G, Abdalla S, Abd El Aziz MA, Saeed HA, D'Angelo AD, Behm KT, Shawki S, Mathis KL, Larson DW. Intracorporeal versus extracorporeal anastomosis for robotic ileocolic resection in Crohn's disease. J Robot Surg. 2022 Jun; 16 (3):601-609 Epub 2021 July 27 View PubMed Liu S, Contreras N, Krezalek MA, Abd El Aziz MA, Merchea A, Kelley SR, Behm K. Robotic transanal minimally invasive surgery: a single institutional experience. Updates Surg. 2022 Jun; 74 (3):1011-1016 Epub 2022 Feb 17 View PubMed Abd El Aziz MA, Grass F, Calini G, Lovely JK, Jacob AK, Behm KT, D'Angelo AD, Shawki SF, Mathis KL, Larson DW. Intraoperative Fluid Management a Modifiable Risk Factor for Surgical Quality - Improving Standardized Practice. Ann Surg. 2022 May 1; 275 (5):891-896 Epub 2022 Jan 21 View PubMed Broccard SP, Colibaseanu DT, Behm KT, Mishra N, Davis P, Maimone KL, Mathis KL, Stocchi L, Dozois EJ, Merchea A. Risk of malignancy and outcomes of surgically resected presacral tailgut cysts: A current review of the Mayo Clinic experience. Colorectal Dis. 2022 Apr; 24 (4):422-427 Epub 2022 Jan 06 View PubMed Kelley SR, D'Angelo JD, D'Angelo AD, Behm KT, Colibaseanu DT, Merchea A, Mishra N, Dozois EJ, Mathis KL. The Effect of Advanced Practice Providers on ACGME Colon and Rectal Surgery Resident Diagnostic Index Case Volumes. J Surg Educ. 2022 Mar-Apr; 79 (2):426-430 Epub 2021 Oct 23 View PubMed Grass F, Hubner M, Behm KT, Mathis KL, Hahnloser D, Day CN, Harmsen WS, Demartines N, Larson DW. Development and validation of a prediction score for safe outpatient colorectal resections. Surgery. 2022 Feb; 171 (2):336-341 Epub 2021 Sept 06 View PubMed Abd El Aziz MA, Grass F, Behm KT, D'Angelo AL, Mathis KL, Dozois EJ, Larson DW. Trends and consequences of surgical conversion in the United States. Surg Endosc. 2022 Jan; 36 (1):82-90 Epub 2021 Jan 06 View PubMed Achilli P, Perry W, Grass F, Abd El Aziz MA, Kelley SR, Larson DW, Behm KT. Completely intracorporeal anastomosis in robotic left colonic and rectal surgery: technique and 30-day outcomes. Updates Surg. 2021 Dec; 73 (6):2137-2143 Epub 2021 May 15 View PubMed Perry WRG, Abd El Aziz MA, Duchalais E, Grass F, Behm KT, Mathis KL, Kelley SR. Sexual dysfunction following surgery for rectal cancer: a single-institution experience. Updates Surg. 2021 Dec; 73 (6):2155-2159 Epub 2021 July 08 View PubMed Calini G, Abd El Aziz MA, Solafah A, Saeed HA, Lovely JK, D'Angelo AL, Larson DW, Kelley SR, Colibaseanu DT, Behm KT. Laparoscopic transversus abdominis plane block versus intrathecal analgesia in robotic colorectal surgery. Br J Surg 2021 Nov 11; 108 (11):e369-e370 View PubMed Abd El Aziz MA, Calini G, Grass F, Behm KT, D' Angelo AL, Shawki S, Mathis KL, Larson DW. Minimally invasive ileal pouch-anal anastomosis for patients with obesity: a propensity score-matched analysis. Langenbecks Arch Surg. 2021 Nov; 406 (7):2419-2424 Epub 2021 May 13 View PubMed McKenna NP, Glasgow AE, Behm KT, Habermann EB, Cima RR. Is there Clinical Value to Routine Postoperative Day 1 Labs after Proctectomy? J Gastrointest Surg. 2021 Nov; 25 (11):2961-2962 Epub 2021 May 04 View PubMed Calini G, Abd El Aziz MA, Abdalla S, Saeed HA, Lovely JK, D'Angelo AD, Behm KT, Colibaseanu DT, Mathis KL, Larson DW. Patient colon and rectal operative outcomes when treated with immune checkpoint inhibitors. Eur J Surg Oncol. 2021 Sep; 47 (9):2436-2440 Epub 2021 Apr 02 View PubMed Abd El Aziz MA, Perry WRG, Grass F, Merchea A, Raffals LE, Mathis KL, Behm KT. The extent of colorectal resection and short-term outcomes in patients with ulcerative colitis. Updates Surg. 2021 Aug; 73 (4):1429-1434 Epub 2021 Mar 30 View PubMed Abd El Aziz MA, Grass F, Behm KT, D'Angelo AL, Mathis KL, Dozois EJ, Larson DW. How skilled are skilled facilities? Post-discharge complications after colorectal cancer surgery in the U.S. Am J Surg. 2021 Jul; 222 (1):20-26 Epub 2020 Dec 14 View PubMed White LA, Joseph JP, Yang DY, Kelley SR, Mathis KL, Behm K, Viers BR. Intraureteral indocyanine green augments ureteral identification and avoidance during complex robotic-assisted colorectal surgery. Colorectal Dis. 2021 Mar; 23 (3):718-723 Epub 2020 Nov 05 View PubMed Crippa J, Grass F, Achilli P, Behm KT, Mathis KL, Day CN, Harmsen WS, Mari GM, Larson DW. Surgical Approach to Transverse Colon Cancer: Analysis of Current Practice and Oncological Outcomes Using the National Cancer Database. Dis Colon Rectum. 2021 Mar 1; 64 (3):284-292 View PubMed Liu S, Kelley SR, Behm KT. Single-port robotic transanal minimally invasive surgery (SPR-TAMIS) approach to local excision of rectal tumors. Tech Coloproctol. 2021 Feb; 25 (2):229-234 Epub 2020 July 06 View PubMed Achilli P, Radtke TS, Lovely JK, Behm KT, Mathis KL, Kelley SR, Merchea A, Colibaseanu DT, Larson DW. Preoperative predictive risk to cancer quality in robotic rectal cancer surgery. Eur J Surg Oncol. 2021 Feb; 47 (2):317-322 Epub 2020 Aug 26 View PubMed Abd El Aziz MA, Grass F, Behm KT, Shawki S, D'Angelo AL, Mathis KL, Larson DW. Trends of complications and innovative techniques' utilization for colectomies in the United States. Updates Surg. 2021 Feb; 73 (1):101-110 Epub 2020 Aug 09 View PubMed Larson DW, Abd El Aziz MA, Perry W, Behm KT, Shawki S, Mandrekar J, Mathis KL, Grass F. Surgical Resection for Crohn's and Cancer: A Comparison of Disease-Specific Risk Factors and Outcomes. Dig Surg. 2021; 38 (2):120-127 Epub 2021 Jan 27 View PubMed Abd El Aziz MA, Perry WR, Grass F, Mathis KL, Larson DW, Mandrekar J, Behm KT. Predicting primary postoperative pulmonary complications in patients undergoing minimally invasive surgery for colorectal cancer. Updates Surg. 2020 Dec; 72 (4):977-983 Epub 2020 Oct 01 View PubMed Abd El Aziz MA, Grass F, Perry W, Behm KT, Shawki SF, Larson DW, Mathis KL. Colectomy for patients with super obesity: current practice and surgical morbidity in the United States. Surg Obes Relat Dis. 2020 Nov; 16 (11):1764-1769 Epub 2020 June 29 View PubMed McKenna NP, Bews KA, Shariq OA, Habermann EB, Behm KT, Kelley SR, Larson DW. Is Same-Day and Next-Day Discharge After Laparoscopic Colectomy Reasonable in Select Patients? Dis Colon Rectum. 2020 Oct; 63 (10):1427-1435 View PubMed Grass F, Crippa J, Lovely JK, Ansell J, Behm KT, Achilli P, Hubner M, Kelley SR, Mathis KL, Dozois EJ, Larson DW. Readmissions Within 48 Hours of Discharge: Reasons, Risk Factors, and Potential Improvements. Dis Colon Rectum. 2020 Aug; 63 (8):1142-1150 View PubMed Krezalek MA, Contreras-Peraza N, Parker ME, Kelley SR, Behm KT. Hybrid Robotic Transanal Minimally Invasive Surgery Approach to Large and Low-Lying Rectal Polyps. Dis Colon Rectum. 2020 Jul; 63 (7):1001-1006 View PubMed Grass F, Behm KT, Duchalais E, Crippa J, Spears GM, Harmsen WS, Hubner M, Mathis KL, Kelley SR, Pemberton JH, Dozois EJ, Larson DW. Impact of delay to surgery on survival in stage I-III colon cancer. Eur J Surg Oncol. 2020 Mar; 46 (3):455-461 Epub 2019 Nov 28 View PubMed 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. 2020 Feb; 271 (2):325-331 View PubMed Larson DW, Abd El Aziz MA, Perry W, D'Angelo AL, Behm KT, Mathis KL, Grass F. Additional Value of Preoperative Albumin for Surgical Risk Stratification among Colorectal Cancer Patients. Ann Nutr Metab. 2020; 76 (6):422-430 Epub 2021 Mar 15 View PubMed Quiram BJ, Crippa J, Grass F, Lovely JK, Behm KT, Colibaseanu DT, Merchea A, Kelley SR, Harmsen WS, Larson DW. Impact of enhanced recovery on oncological outcomes following minimally invasive surgery for rectal cancer. Br J Surg. 2019 Jun; 106 (7):922-929 Epub 2019 Mar 12 View PubMed Lightner AL, Grass F, McKenna NP, Tilman M, Alsughayer A, Kelley SR, Behm K, Merchea A, Larson DW. Short-term postoperative outcomes following robotic versus laparoscopic ileal pouch-anal anastomosis are equivalent. Tech Coloproctol. 2019 Mar; 23 (3):259-266 Epub 2019 Apr 02 View PubMed 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 View PubMed 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. View PubMed Kelley SR, Merchea A, Abdelsattar ZM, Behm KT, Dozois EJ. Management of Primary Rectal Lymphoma: A Single Institution Experience World Journal of Colorectal Surgery. 08/01/2015; 5. Behm K, Larson DW, Colibaseanu D. Intravenous immunoglobulin use in managing severe, perioperative peristomal pyoderma gangrenosum following subtotal colectomy with end ileostomy for medically refractory chronic ulcerative colitis. J Surg Case Rep. 2015 Mar 22; 2015 (3) View PubMed PST-20453748 Home Publications