CURRICULUM VITAE
Timothy J. Ridolfi MD, MS, FACS
Timothy J. Ridolfi MD, MS, FACS
Associate Professor
Department of Surgery
Division of Colorectal Surgery
Department of Surgery
Division of Colorectal Surgery
OFFICE ADDRESS: |
The Hub for Collaborative Medicine |
8701 Watertown Plank Road |
Milwaukee, WI 53226 |
Phone: 414-955-5783 |
EDUCATION: |
08/1996 - 12/2000 Bachelor of Science in Biology and Computer Science, University of Wisconsin - Madison, Madison, WI |
07/2001 - 06/2005 Doctor of Medicine, Medical College of Wisconsin, Milwaukee, WI |
08/2015 - 05/2020 Master of Science in Clinical Translational, Graduate School of Biomedical Sciences - Medical College of Wisconsin, Milwaukee, WI |
POSTGRADUATE TRAINING AND FELLOWSHIP APPOINTMENTS: |
07/2005 - 06/2012 Resident, General Surgery, Medical College of Wisconsin, Milwaukee, WI |
08/2008 - 09/2010 Research Fellow, General Surgery, Medical College of Wisconsin, Milwaukee, WI |
07/2012 - 06/2013 Fellow, Colorectal Surgery, Cleveland Clinic, Cleveland, OH |
10/2022 - 05/2023 Leadership Development Program, Clement J. Zablocki VA Medical Center, Milwaukee, WI |
FACULTY APPOINTMENTS: |
08/2013 - Present Department of Surgery, Division of Colorectal Surgery, Medical College of Wisconsin, Milwaukee, WI |
ADMINISTRATIVE APPOINTMENTS: |
2011 - 2012 Administrative Chief Resident, Department of Surgery, Medical College of Wisconsin |
HOSPITAL STAFF PRIVILEGES: |
Surgery, Colorectal Surgery, Clement J. Zablocki VA Medical Center, 5000 W. National Ave, Milwaukee, WI 53295 |
Surgery, Colorectal Surgery, Froedtert Hospital, 9200 W. Wisconsin Ave, Milwaukee, WI 53226 |
Surgery, Colorectal Surgery, Children's Hospital of Wisconsin, 8915 W. Connell Ct., Milwaukee, WI 53226 |
SPECIALTY BOARDS AND CERTIFICATION: |
Board Certified | Issue Date | Expiration |
American Board of Surgery | 01/28/2013 | 01/05/2025 |
American Board of Colon and Rectal Surgery | 09/2014 | 12/2024 |
Licensure | Number | Issue Date | Expiration |
State of Wisconsin | 50126-20 | 02/23/2007 | 10/31/2023 |
FLS | 09/2010 | None | |
DEA | 03/11/2019 | 04/30/2025 | |
AWARDS AND HONORS: |
05/2009 Research Foundation Research in Progress Award, American Society of Colon & Rectal Surgeons |
06/2009 Best Resident/Fellow Basic Science Plenary Presentation-Digestive Disease Week, Society for Surgery of the Alimentary Tract |
10/2009 Surgical Jeopardy Finalist-2nd place finish, American College of Surgeons |
11/2009 Best Basic Science Oral, Wisconsin Surgical Society |
05/2010 Affiliated Hospitals Research Award, Medical College of Wisconsin |
06/2010 Condon-Donegan Award, Medical College of Wisconsin-Department of Surgery |
2015 - 2016 MCW Outstanding Medical Student Teacher, Medical College of Wisconsin |
09/2016 Outstanding Poster Presentation-MCW Research Day, Medical College of Wisconsin-Office of Research |
2016 - 2017 MCW Outstanding Medical Student Teacher, Medical College of Wisconsin |
09/2017 Junior Faculty - Poster Presentation Award - Clinical & Educational Research category, Medical College of Wisconsin |
09/2018 Best of Diseases of Colon and Rectum - One of four most influential papers published within the journal of Diseases of the Colon and Rectum over a 12 month period, American Society of Colon & Rectal Surgeons |
2018 - Present Top Doctors, Milwaukee Magazine |
MEMBERSHIPS IN HONORARY AND PROFESSIONAL SOCIETIES: |
08/2000 - Present American Medical Association |
07/2005 - Present Wisconsin Surgical Society |
07/2005 - Present American College of Surgeons (Fellow) |
04/2009 - 09/2013 Society of American Gastrointestinal and Endoscopic Surgeons |
06/2009 - Present Society for Surgery of the Alimentary Tract |
07/2012 - Present American Society of Colon and Rectal Surgeons (Fellow) |
08/2013 - Present Association for Academic Surgeons |
2014 - Present The Milwaukee GI Society |
03/2018 - Present Central Surgical Association |
04/2018 - Present The Milwaukee Surgical Society |
03/2022 - Present Society of University Surgeons |
EDITORSHIPS/EDITORIAL BOARDS/JOURNAL REVIEWS: |
Journal Review |
2015 - Present Journal of Surgical Research |
2015 - Present Journal of Surgery |
2018 - Present Journal of Gastrointestinal Surgery |
2018 - Present Diseases of The Colon & Rectum |
2020 - Present Surgery |
LOCAL/REGIONAL APPOINTED LEADERSHIP AND COMMITTEE POSITIONS: |
2017 - Present Secretary / Treasurer, Milwaukee Academy of Surgery |
2017 - 2020 Co-Chair, Program Committee, Wisconsin Surgical Society |
2019 - Present President, Edwin Ellison Surgical Society |
NATIONAL ELECTED/APPOINTED LEADERSHIP AND COMMITTEE POSITIONS: |
2015 - Present ASCRS Awards Committee, American Society of Colon and Rectal Surgeons |
2016 - 2019 Young Surgeons Committee, American Society of Colon and Rectal Surgeons |
2016 - 2018 Technology and Communications for AAS, Association for Academic Surgery |
2017 - Present ASCRS Program Committee, American Society of Colon and Rectal Surgeons |
2018 - Present 2020 US Liaison to Annual Tripartite International Meeting, American Society of Colon and Rectal Surgeons |
2018 - 2021 2020 Annual Meeting Program Chair, American Society of Colon and Rectal Surgeons |
2019 - Present Governor for the State of Wisconsin, American College of Surgeons |
2023 - Present Voting Member, Veteran's Health Administration Electronic Health Record Modernization National Councils |
RESEARCH GRANTS/AWARDS/CONTRACTS/PROJECTS: | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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INVITED LECTURES/WORKSHOPS/PRESENTATIONS: |
Local |
RIDOLFI TJ, Hemorrhoids: Band, Excise or Devascularize, Hernia, Foregut and Colorectal Review Symposium, Milwaukee, WI, 09/23/2016 |
RIDOLFI TJ, Technical Aspects of Low Anterior Resection and the Challenge of Reconstructive Options, Hernia, Foregut and Colorectal Review Symposium, Milwaukee, WI, 09/23/2016 |
RIDOLFI TJ, Will I have an ostomy for the rest of my life? Colostomy, Ileostomy management in IBD, Crohn’s and Colitis Conference: A Patient and Provider Point of Care Conference, Medical College of WI, Milwaukee WI, 05/12/2018 |
RIDOLFI, TJ, Rectal Cancer: An Update in Screening, Staging, and Management, Milwaukee VA Medical Center, 11/07/2018 |
National |
Gorgun, Emre; RIDOLFI, TJ (Invited Discussant), Does Laparoscopic Ileal-Pouch Anal Anastomosis Decrease Time to Conceive?, CSA 2019 Annual Meeting, Palm Harbor, FL, 03/09/2019 |
RIDOLFI, TJ, Building Your Practice and Defining Your Niche, Mock Orals and More, 2019 ASCRS Annual Scientific Meeting, Cleveland, OH, 06/01/2019 |
RIDOLFI TJ, The Best of Diseases of the Colon and Rectum Journal - Elevated Venous Thromboembolism Risk Following Colectomy for IBD Is Equal to Those for Colorectal Cancer for Ninety Days After Surgery, 2019 ASCRS Annual Scientific Meeting, Cleveland, OH, 06/03/2019 |
RIDOLFI, TJ, MTP: T3 Complex Hemorrhoidal Disease, Meet the Professor Breakfast, 2019 ASCRS Annual Scientific Meeting, Cleveland, OH, 06/04/2019 |
PEER REVIEWED WORKSHOPS/PRESENTATIONS: |
Local |
RIDOLFI T.J., Characterization of a Novel Gene, Zoology 152 Independent Project Poster Session, University of Wisconsin, Madison, 05/1998 |
RIDOLFI T.J., Monitoring Vibration-Induced Endothelial Cell Injury via ELISA, Research Days Poster Session, Medical College of Wisconsin, Milwaukee WI, 10/2002 |
RIDOLFI T.J., Effects of Pelvic Nerve Damage on Large Bowel Transit in Rats, Medical College of Wisconsin, Milwaukee, WI, 09/2009 |
Johnson CM, RIDOLFI TJ, The Addition of a Staging PET-CT Alters Anal Cancer Treatment, Department of Surgery Fall Research Conference, Milwaukee, WI, 09/26/2014 |
Kream J, Peterson C, RIDOLFI T.J., Ludwig K, Low Anastomotic Leak Rates can be Achieved Utilizing Clinical Perfusion Assessment Without Fluorescent Imaging Techniques, Medical Student Summer Research Program, Milwaukee, WI, 10/01/2015 |
Toy E, Peterson C, Ludwig K, RIDOLFI T.J., Bowel Function Outcomes Following Surgical Resection in the Elderly, Medical Student Summer Research Program, Milwaukee, WI, 10/01/2015 |
Kream J, Peterson C, RIDOLFI T.J., Ludwig K, Low Anastomotic Leak Rates can be Achieved Utilizing Clinical Perfusion Assessment Without Fluorescent Imaging Techniques, Fall Research Symposium, Milwaukee, WI, 10/23/2015 |
Toy E, Peterson C, Ludwig K, RIDOLFI T.J., The i2b2 Cohort Discovery Tool Outperforms a Prospectively Maintained Internal Database in Identifying Surgical Subgroups, Fall Research Symposium, Milwaukee, WI, 10/23/2015 |
Kream J, Peterson C, RIDOLFI T.J., Ludwig K, Low Anastomotic Leak Rates can be Achieved Utilizing Clinical Perfusion Assessment Without Fluorescent Imaging Techniques, Physician Scientist Pathway Presentation Day, Milwaukee, WI, 04/21/2016 |
Blank JJ, Knechtges PM, Prost RW, Peterson CY, Ludwig KA, RIDOLFI TJ, Initial Experience of Rectal Cancer Staging with 7T MRI, Department of Surgery Fall Research Symposium, Milwaukee, WI, 09/16/2016 |
Foss HE, Peterson CY, Ludwig KA, RIDOLFI TJ, Factors Associated with Burden of Anal Condyloma and Need for Operative Intervention, Department of Surgery Fall Research Symposium, Milwaukee, WI, 09/16/2016 |
Henning R, Peterson C, Ludwig K, RIDOLFI T.J., Alvimopan Use Following Gastrointestinal Surgery is Associated with Decreased Length of Stay, Department of Surgery Fall Research Symposium, Milwaukee, WI, 09/16/2016 |
Berger NG, Peterson CY, Ludwig KA, Hall WA, Ridolfi TJ, Rectal Cancer Resection with Pathologic Upstaging: Adjuvant Chemoradiation, Systemic Chemotherapy and Observation, Department of Surgery Fall Research Symposium, Milwaukee, WI, 09/15/2017 |
Nganzeu CG, Blank JJ, Fadwa A, Peterson KY, Ludwig KA, Hall WA, RIDOLFI TJ, A Comparison fo Induction Chemotherapy and Standard Therapy in the Treatment of Locally Advanced Rectal Cancer Utilizing the National Cancer Database, Department of Surgery Fall Research Symposium, Milwaukee, WI, 09/15/2017 |
Kurtz B, Blank JJ, Peterson CY, Ludwig KA, Ridolfi TJ, The Hidden Hand: Hand-assited Laparoscopic Simgoid Collectomy is Underrepresented in Coding Data, Department of Surgery Fall Research Symposium, Milwaukee, WI, 09/15/2017 |
Katbamna B, Blank J, Peterson C, Ludwig K, RIDOLFI T.J., Admission Computed Tomography as Prognostic Indicator for Surgery in the Setting of Ulcerative Colitis, Department of Surgery Fall Research Symposium, Milwaukee, WI, 09/15/2017 |
Simpson M, Hu K, Ludwig KA, Peterson CY, RIDOLFI TJ, Use of Neoadjuvant Chemotherapy in the Treatment of Locally Advanced Rectal Cancer: A Single Institution Experience, Department of Surgery Fall Research Symposium, Milwaukee, WI, 09/14/2018 |
Regional |
RIDOLFI T.J., The Effects of Extrinsic Denervation on Colon Motility in the Rat., Wisconsin Surgical Society, Kohler, WI, 11/2008 |
RIDOLFI T.J., Effects of Pelvic Nerve Damage on Large Bowel Transit in Rats, Wisconsin Surgical Society, Kohler, WI, 11/2009 |
RIDOLFI T.J., Structured Orientation Helps to Prepare Junior Medical Students for the Operating Room, Wisconsin Surgical Society, Kohler, WI, 11/2010 |
Johnson C, Longo J, Erickson B, Ludwig K, RIDOLFI T.J., The Addition of a Staging PET-CT Alters Anal Cancer Treatment, Wisconsin Surgical Society, Kohler, WI, 11/2014 |
Johnson C, Kosinski L, Ludwig K, RIDOLFI T.J., Hyperbaric Spinal Anesthesia is Effective in Preventing Post-operative Urinary Retention in Perianal Outpatient Procedures, Wisconsin Surgical Society, Kohler, WI, 11/2014 |
Thayer J, Peterson C, RIDOLFI T.J., Ludwig K, Re-Do Low Anterior Resection as a Salvage Procedure for Low Pelvic Anastomotic Complications, Wisconsin Surgical Society, Kohler, WI, 11/13/2015 |
Kream J, Peterson C, RIDOLFI T.J., Ludwig K, Low Anastomotic Leak Rates can be Achieved Utilizing Clinical Perfusion Assessment Without Fluorescent Imaging Techniques, Wisconsin Surgical Society, Kohler, WI, 11/13/2015 |
Toy E, Peterson C, Ludwig K, RIDOLFI T.J., The i2b2 Cohort Discovery Tool Outperforms a Prospectively Maintained Internal Database in Identifying Surgical Subgroups, Wisconsin Surgical Society, Kohler, WI, 11/13/2015 |
Kream J, Peterson C, RIDOLFI T.J., Ludwig K, Low Anastomotic Leak Rates can be Achieved Utilizing Clinical Perfusion Assessment Without Fluorescent Imaging Techniques, Chicago Society of Colon and Rectal Surgeons (CSCRS) 2016 Resident Research Paper Competition, Chicago, IL, 03/04/2016 |
Ali F, Hu K, Mahmoud M, Otterson M, Ludwig K, RIDOLFI T.J., Rectal stump related complications after total abdominal colectomy in patients with inflammatory bowel disease, Chicago Society of Colon and Rectal Surgeons (CSCRS) 2016 Resident Research Paper Competition, Chicago, IL, 03/04/2016 |
Landish R, Otterson M, Knechtges P, Peterson C, Ridolfi T, Ludwig K, Pouch Volvulus in Patients Having Undergone Restorative Proctocolectomy for Ulcerative Colitis: A Case Series, Chicago Society of Colon and Rectal Surgeons (CSCRS) 2016 Resident Research Paper Competition, Chicago, IL, 03/04/2016 |
Foss HF, Peterson CY, Ludwig KA, RIDOLFI TJ, Factors Associated with Anal Condyloma Size and Need for Operative Intervention, Wisconsin Surgical Society, Kohler, WI, 11/04/2016 |
Henning RE, Peterson CY, Ludwig KA, RIDOLFI TJ, Alvimopan Use Following Gastrointestinal Surgery is Associated with Decrease Length of Stay, Wisconsin Surgical Society, Kohler, WI, 11/04/2016 |
Berger NG, Chou R, Toy ES, Ludwig KA, RIDOLFI T.J., Peterson CY, Loop Ileostomy Closure: Is Next-Day Discharge Safe and Effective?, The Wisconsin Surgical Society, Kohler, WI, 11/04/2016 |
Blank JJ, Knechtges PM, Prost RW, Peterson CY, Ludwig KA, RIDOLFI TJ, Initial Experience of Rectal Cancer Staging with 7T MRI, Wisconsin Surgical Society, Kohler, WI, 11/04/2016 |
Ali F, Al-Kindi SG, Blank JJ, Peterson CY, Ludwig KA, Ridolfi TJ, Elevated Venous Thromoboembolism Risk Following Colectomy for Inflammatory Bowel Disease is Equal to Those For Colorectal Cancer for Ninety Days after Surgery, Wisconsin Surgical Society, Kohler, WI, 11/03/2017 |
Berger N, Peterson C, Ludwig K, Hall W, RIDOLFI T.J., Rectal Cancer Resection with Pathologic
Upstaging: Adjuvant Radiation vs. Observation, Wisconsin Surgical Society, Kohler, WI, 11/2017 |
Kurtz B, Blank J, Peterson C, RIDOLFI T.J., Ludwig K, The Hidden Hand: Hand-assisted Laparoscopic Sigmoid Colectomy is Underrepresented in Coding Data, Wisconsin Surgical Society, Kohler, WI, 11/2017 |
Nganzeu C, Blank J, Hall W, Peterson C, Ludwig K, RIDOLFI T.J., A Comparison of Induction Chemotherapy and Standard Therapy in the Treatment of Locally Advanced Rectal Cancer Utilizing the NCDB, Wisconsin Surgical Society, Kohler, WI, 11/2017 |
Blank J, Rothstein A, Jun Lee C, Malinowski M, Lewis B, RIDOLFI T.J., Otterson M, Aortic Graft Infection Secondary to Graft Malpositioning, Wisconsin Surgical Society, Kohler, WI, 11/2017 |
Simpson M, Hu K, Ludwig KA, Peterson CY, RIDOLFI TJ, Use of Neoadjuvant Chemotherapy in the Treatment of Locally Advanced Rectal Cancer: A Single Institution Experience, Wisconsin Surgical Society, Kohler, WI, 11/02/2018 |
RIDOLFI T.J., Drezdzon Melissa, Association Between BMI and Early-Onset Colorectal Cancer, Wisconsin Surgical 2023 Conference, Kohler, WI, 11/03/2023 |
National |
RIDOLFI T.J., The Effects of Pelvic Autonomic Denervation on Rectal Motility in the Rat, American Society of Colon and Rectal Surgeons Annual Meeting, Hollywood, FL, 05/2009 |
RIDOLFI T.J., The Effects of Sympathetic and Parasympathetic Denervation on Distal Colonic Motility in Conscious Rats, The Society of Surgery for the Alimentary Tract Residents and Fellows Research Conference, Chicago, IL, 05/2009 |
RIDOLFI T.J., The Effects of Sympathetic and Parasympathetic Denervation on Distal Colonic Motility in Conscious Rats, Digestive Disease Week, Chicago, IL, 06/2009 |
RIDOLFI T.J., Effects of Pelvic Nerve Damage on Large Bowel Transit in Rats, Neurogastroenterology and Motility Joint International Meeting, Chicago, IL, 08/2009 |
RIDOLFI T.J., Recovery of Colonic Transit Following Extrinsic Nerve Damage in, 2010 Academic Surgical Congress, San Antonio, TX, 02/2010 |
RIDOLFI T.J., Mucosal 5-HT4 Receptor Expression is Altered Following, Digestive Disease, New Orleans, LA, 05/2010 |
RIDOLFI T.J., Structured Orientation Helps to Prepare Junior Medical Students for the Operating Room, Surgical Education Week, Boston, MA, 03/2011 |
Johnson C, Kosinski L, Ludwig K, RIDOLFI T.J., Hyperbaric Spinal Anesthesia is Effective in Preventing Post-operative Urinary Retention in Perianal Outpatient Procedures, American Society of Colon and Rectal Surgeons Annual Meeting, Boston, MA, 05/30/2015 - 06/03/2015 |
Johnson C, Longo J, Erickson B, Ludwig K, RIDOLFI T.J., The Addition of a Staging PET-CT Alters Anal Cancer Treatment, American Society of Colon and Rectal Surgeons Annual Scientific Meeting, Boston, MA, 05/30/2015 - 06/30/2015 |
Toy E, Peterson C, Ludwig K, RIDOLFI T.J., The i2b2 Cohort Discovery Tool Outperforms a Prospectively Maintained Internal Database , Annual Meeting of the Academic Surgical Congress, Jacksonville, FL, 02/02/2016 - 02/04/2016 |
Ali F, Hu K, Mahmoud M, Otterson M, Ludwig K, RIDOLFI T.J., Rectal stump related complications after total abdominal colectomy in patients with inflammatory bowel disease, Annual Meeting of the American Society of Colon and Rectal Surgeons, Los Angeles, CA, 05/02/2016 |
Ali F, Gribovskaja-Rupp I, Mahmoud M, RIDOLFI T.J., Ludwig K, Hand-assisted laparoscopic sigmoid colectomy is effective for patient with diverticulitis regardless of disease severity, Digestive Disease Week (DDW)/Society for Surgery of the Alimentary Tract (SSAT), San Diego, CA, 05/22/2016 |
Landish R, Otterson M, Knechtges P, Peterson C, RIDOLFI T.J., Ludwig K, Pouch Volvulus in Patients Having Undergone Restorative Proctocolectomy for Ulcerative Colitis: A Case Series, Annual Meeting of the American Society of Colon and Rectal Surgeons, Los Angeles, CA, 05/30/2016 - 06/04/2016 |
Thayer J, Peterson C, RIDOLFI T.J., Ludwig K, Re-Do Low Anterior Resection as a Salvage Procedure for Low Pelvic Anastomotic Complications, Annual Meeting of the American Society of Colon and Rectal Surgeons, Los Angeles, CA, 05/30/2016 - 06/04/2016 |
Berger NG, Chou R, Toy ES, Ludwig KA, RIDOLFI T.J., Peterson CY, Loop Ileostomy Closure: Is Next-Day Discharge Safe and Effective?, Annual Meeting of the American Society of Colon and Rectal Surgeons, Los Angeles, CA, 05/30/2016 - 06/04/2016 |
Berger NG, Chou R, Toy ES, Ludwig KA, RIDOLFI T.J., Peterson CY, Loop Ileostomy Closure: Is Next-Day Discharge Safe and Effective?, NSQIP Annual Conference, San Diego, CA, 07/2016 |
H. Foss, C. Y. Peterson, K. A. Ludwig, RIDOLFI T.J., Factors Associated with Burden of Anal Condyloma and Need for Operative Intervention, 12th Annual Academic Surgical Congress, Las Vegas, NV, 02/2017 |
J. J. Blank, N. G. Berger, P. M. Knechtges, R. W. Prost, C. Y. Peterson, K. A. Ludwig, RIDOLFI T.J., Initial Experience of Rectal Cancer Staging with 7T Magnetic Resonance Imaging, 12th Annual Academic Surgical Congress, Las Vegas, NV, 02/2017 |
Rachel E. Henning BA, Carrie Y. Peterson MD, Kirk A. Ludwig MD, RIDOLFI T.J., Alvimopan use following gastrointestinal surgery is associated with decreased length of stay, 2017 ASCRS Annual Scientific and Tripartite, Seattle, WA, 06/10/2017 |
J. J. Blank, N. G. Berger, P. M. Knechtges, R. W. Prost, C. Y. Peterson, K. A. Ludwig, RIDOLFI T.J., Initial Experience With 7T MRI imaging of Rectal Cancer: A Promising Technology for Superior Staging, 2017 ASCRS Annual Scientific and Tripartite Meeting, Seattle, WA, 06/10/2017 |
Berger N, Peterson C, Ludwig K, Hall W, RIDOLFI T.J., Rectal Cancer Resection with Pathologic Upstaging: Adjuvant Radiation vs. Observation, 2017 ASCRS Annual Scientific and Tripartite Meeting, Seattle, WA, 06/10/2017 |
F. Ali, S. Al-Kindi, K. Ludwig, RIDOLFI T.J., Is Extended Venous Thromboembolism Prophylaxis Indicated Following Colon Surgery for Inflammatory Bowel Disease?, 2017 ASCRS Annual Scientific and Tripartite Meeting, Seattle, WA, 06/10/2017 |
Westein R, RIDOLFI T.J., Ludwig K, Blank J, Peterson C, The Modified Hanley Technique for Outpatient Management of Deep Post-Anal Space Abscess is Safe and Effective, 2017 ASCRS Annual Scientific and Tripartite Meeting, Seattle, WA, 06/10/2017 |
Nganzeu C, Blank J, Ali F, Hall W, Peterson C, Ludwig K, RIDOLFI T.J., Induction Chemotherapy versus Standard Treatment for Locally Advanced Rectal Cancer, 13th Annual Academic Surgical Congress, Jacksonville, FL, 01/2018 |
Blank J, Deshpande R, Peterson C, Ludwig K, RIDOLFI T.J., Rectal Cancer in Young Patients - Is Obesity Truly a Risk Factor?, American Society of Colon and Rectal Surgeons Annual Meeting, Nashville, TN, 05/2018 |
Kelm S, Longo J, Bedi M, Siker M, Thomas J, George B, Ludwig K, Peterson C, RIDOLFI T.J., Erickson B, The Impact of Hemoglobin on Outcomes in Anal Canal Cancer Treated with Definitive Chemoradiation, American Society for Radiation Oncology 2018 Annual Meeting, San Antonio, TX, 10/21/2018 |
RIDOLFI T.J., Peterson Kent, Functional Outcomes and Quality of Life following Rectal Cancer Treatment: Watch-and-Wait versus Total Mesorectal Excision, ASCRS 2023 Annual Scientific Meeting, Seattle, WA, 06/03/2023 - 06/06/2023 |
RIDOLFI T.J., Drezdzon Melissa, Comparing Isometric to Standard MRI Sequences for Accuracy in Determining Response to Neoadjuvant Therapy in Rectal Cancer, ASCRS 2023 Annual Scientific Meeting, Seattle, WA, 06/03/2023 - 06/06/2023 |
Timothy J Ridolfi, Kent J Peterson, Urogenital Function Following Rectal Cancer Treatment: Watch-and-Wait versus Total Mesorectal Excision, 2024 ASCRS Annual Scientific Meeting, Baltimore, Maryland, 06/01/2024 - 06/04/2024 |
International |
RIDOLFI T.J., Surgical Training in the United States, 2010 International Colorectal Surgery Forum, Daping, China, 11/2010 |
RIDOLFI T.J., Low Anterior Resection Syndrome: Possible Involvement of the Enteric Nervous System, 2010 International Colorectal Surgery Forum, Daping, China, 11/2010 |
RIDOLFI T.J., Low Anterior Resection Syndrome: Possible Involvement of 5HT3, American Society of Colon and Rectal Surgeons Annual Meeting, Vancouver, Canada, 05/2011 |
Kream J, Peterson C, RIDOLFI T.J., Ludwig K, Low Anastomotic Leak Rates can be Achieved Utilizing Clinical Perfusion Assessment Without Fluorescent Imaging Techniques, Annual Meeting of the Central Surgical Association, Montreal, Canada, 03/10/2016 - 03/13/2016 |
RIDOLFI T.J., Nyitray Alan, Nitkowski Jenna, McAuliffe Timothy, Swartz Michael, Fernandez Maria, Deshmukh Ashish A, Smith Jennifer, Chiao Elizabeth, Giuliano Anna, Schick Vanessa, Engagement In Home-based Vs Clinic-based Anal Precancer Screening Among Men Having Sex With Men: Interim Baseline Data From The Prevent Anal Cancer Self-Swab Study, 18th International Conference on Malignancies in HIV/AIDS (ICMH), Virtual Conference, 10/24/2022 - 10/26/2022 |
RIDOLFI T.J., Nitkowski Jenna, Giuliano Anna, Chiao Elizabeth, Fernandez Maria, Schick Vanessa, Swartz Michael, Smith Jennifer, Nyitray Alan, Acceptability of Anal HPV Home Self-Sampling vs. Clinician Sampling Among Men Who Have Sex With Men: The Prevent Anal Cancer Study, 35th International Papillomavirus Conference, Washington, DC, 04/17/2023 - 04/21/2023 |
Belinda Nedjai, Michelle Saull, Dorota Scibior-Bentkowska, Hajer Mtimet, Jenna Nitkowski, Timothy J Ridolfi, Sarah J Lundeen, James Miller, Juan Felix, Elizabeth Y Chiao, Anna R Giuliano, Alan G Nyitray, The Association between host and viral genome methylation and anal precancers/cancers: Comparing home-based self-sampling and clinician sampling in the prevent anal cancer study, IANS Scientific Meeting 2023, San Juan, Puerto Rico, 11/10/2023 - 11/12/2023 |
COMMITTEE SERVICE: |
Medical College of Wisconsin |
07/2007 - 06/2008 Elected Surgery Resident Representative, Housestaff Health and Welfare Committee, Medical College of Wisconsin |
04/2009 Internal Review Committee, Gastroenterology, Medical College of Wisconsin |
09/2009 Internal Review Committee, Orthopedic Hand Service, Medical College of Wisconsin |
09/2010 Resident Representative Program Director Search Committee, Medical College of Wisconsin |
2014 - Present Program Chair, Fall Research Symposium, Medical College of Wisconsin |
2014 Co-Moderator, Research Day Committee, Medical College of Wisconsin |
Hospital |
01/2009 - 06/2009 Acute Care Surgery Service Development Committee, Froedtert Hospital |
01/2013 - Present Epic Optimization Committee, Froedtert Hospital |
01/2014 - 06/2015 Faculty member workgroup for the discovery curriculum, Froedtert Hospital |
2014 - Present AIDET Service champion, Froedtert Hospital |
2015 - 2017 Faculty Council Representative, Department of Surgery, Medical College of Wisconsin |
2016 - 2018 Scientific Review Committee, Froedtert Hospital |
02/2018 - 06/2019 Perioperative Informatics Leadership Team |
MEDICAL COLLEGE TEACHING ACTIVITIES: |
Medical Student Education |
07/2008 - 06/2010 M3 Resuscitation and Perioperative Medicine Course instructor |
07/2008 - 06/2010 Professor Rounds Moderator |
07/2008 - 06/2010 M3 Surgical Clerkship Suture Skills Workshop Instructor |
02/2010 - Present Student Surgical Society Residency Dinner Panelist |
01/2013 - Present JMS Bi-monthly student lecture |
07/2017 - Present Bench-to-Bedside (small group moderator) |
Resident and Fellow Education |
2008 - 2010 PGY1, 2, 3-5 Curriculum Instructor (Dictation and Operative Note Session, Knot Tying Skills Session, Bowel Anastomosis Skills Session, Central Venous Line Skills Session, Chest Tube Skills Session, Appendicitis, Benign Anorectal) |
01/2013 - Present Mock Oral Board Examiner |
2013 - Present PGY 1 & 2 Facilitator (Bowel Anastomosis, Pig Colon Stapling Anastomosis, Pig Colon Stapling Lab) |
2013 - Present PGY 1 & 2 Facilitator (Colon Cancer Treatment, Benign Anorectal Disease, Appendiceal Neoplasms) |
MCW STUDENTS, FACULTY, RESIDENTS AND CLINICAL/RESEARCH FELLOWS MENTORED: |
Medical Students |
Kurtz, Brian, Medical College of Wisconsin |
Toy, Elliot, Medical College of Wisconsin |
Kream, Jacob, Medical College of Wisconsin |
Johnson, Colin, Medical College of Wisconsin |
Thayer, Jacob, Medical College of Wisconsin |
Foss, Halle, Medical College of Wisconsin |
Henning, Rachel, Medical College of Wisconsin |
Nganzeu, Claude, Medical College of Wisconsin |
Westein, Riley, Medical College of Wisconsin |
Tara Mather, Medical College of Wisconsin |
Katbamna, Bhavesh, Medical College of Wisconsin |
Residents |
Kathryn Hu, Medical College of Wisconsin |
Blank, Jacqueline, Medical College of Wisconsin |
Berger, Nicholas, Medical College of Wisconsin |
Ali, Fadwa, Medical College of Wisconsin |
Kent Peterson, Medical College of Wisconsin |
BIBLIOGRAPHY |
Refereed Journal Publications/Original Papers |
1. Whitehouse J., Albright E., Bosbous M., Kiely M., Ludwig M., Parisi N., RIDOLFI T.J. Surgical education: The new generation. Journal of Surgical Education, 64(6), 431-432. November–December 2007 |
2. RIDOLFI T.J., Tong WD, Takahashi T, Kosinski L, Ludwig KA. Sympathetic and parasympathetic regulation of rectal motility in rats. J Gastrointest Surg. 2009 Nov;13(11):2027-33; discussion 2033. |
3. Ludwig K, RIDOLFI T.J. Does every question deserve a randomized controlled trial? Arch Surg. 2009 Dec;144(12):1132. |
4. Tong WD, RIDOLFI T.J., Kosinski L, Ludwig K, Takahashi T. Effects of autonomic nerve stimulation on colorectal motility in rats. Neurogastroenterol Motil. 2010 Jun;22(6):688-93. PMCID: PMC2952396 |
5. Tong W, Jia H, Zhang L, Li C, RIDOLFI T.J., Liu B. Exogenous stem cell factor improves interstitial cells of Cajal restoration after blockade of c-kit signaling pathway. Scand J Gastroenterol. 2010 Aug;45(7-8):844-51. |
6. RIDOLFI T.J., Tong WD, Kosinski L, Takahashi T, Ludwig KA. Recovery of colonic transit following extrinsic nerve damage in rats. Scand J Gastroenterol. 2011 Jun;46(6):678-83. |
7. Tong W, Kamiyama Y, RIDOLFI T.J., Zietlow A, Zheng J, Kosinski L, Ludwig K, Takahashi T. The role of 5-HT3 and 5-HT4 receptors in the adaptive mechanism of colonic transit following the parasympathetic denervation in rats. J Surg Res. 2011 Dec;171(2):510-6. PMCID: PMC2978263 |
8. Gribovskaja-Rupp I, Takahashi T, RIDOLFI T.J., Kosinski L, Ludwig K. Upregulation of mucosal 5-HT3 receptors is involved in restoration of colonic transit after pelvic nerve transection. Neurogastroenterol Motil. 2012 May;24(5):472-8, e218. |
9. Paul JS, RIDOLFI T.J. A case study in intra-abdominal sepsis. Surg Clin North Am. 2012 Dec;92(6):1661-77. |
10. RIDOLFI T.J., Valente MA, Church JM. Achieving a complete colonic evaluation in patients with incomplete colonoscopy is worth the effort. Dis Colon Rectum. 2014 Mar;57(3):383-7. |
11. Berger NG, RIDOLFI T.J., Ludwig KA. Delayed gastrointestinal recovery after abdominal operation - role of alvimopan. Clin Exp Gastroenterol. 2015;8:231-5. PMCID: PMC4531031 |
12. RIDOLFI T.J., Berger N, Ludwig KA. Low Anterior Resection Syndrome: Current Management and Future Directions. Clin Colon Rectal Surg. 2016 Sep;29(3):239-45. PMCID: PMC4991969 |
13. Kream J, Ludwig KA, RIDOLFI T.J., Peterson CY. Achieving low anastomotic leak rates utilizing clinical perfusion assessment. Surgery. 2016 Oct;160(4):960-7. |
14. Hall WA, Lans D, Arce-Lara C, Kelley MJ, Santana-Davila R, Marcus DM, Tsai S, RIDOLFI T.J., Erickson BA, Gore EM. Outcome Analysis of Treatment in Stage IIA, T3N0 Rectal Adenocarcinoma in the Veterans Health Administration (VHA). Int J Radiat Oncol Biol Phys. 2016 Oct 1;96(2S):E186. |
15. Berger NG, Chou R, Toy ES, Ludwig KA, RIDOLFI T.J., Peterson CY. Loop Ileostomy Closure as an Overnight Procedure: Institutional Comparison With the National Surgical Quality Improvement Project Data Set. Dis Colon Rectum. 2017 Aug;60(8):852-859. |
16. Ali F, Al-Kindi SG, Blank JJ, Peterson CY, Ludwig KA, RIDOLFI T.J. Elevated Venous Thromboembolism Risk Following Colectomy for IBD Is Equal to Those for Colorectal Cancer for Ninety Days After Surgery. Dis Colon Rectum. 2018 Mar;61(3):375-381. |
17. Blank JJ, Rothstein AE, Lee CJ, Malinowski MJ, Lewis BD, RIDOLFI T.J., Otterson MF. Aortic Graft Infection Secondary to Iatrogenic Transcolonic Graft Malposition. Vasc Endovascular Surg. 2018 Jul;52(5):386-390. |
18. Landisch RM, Knechtges PM, Otterson MF, Ludwig KA, RIDOLFI T.J. Pouch Volvulus in Patients Having Undergone Restorative Proctocolectomy for Ulcerative Colitis: A Case Series. Dis Colon Rectum. 2018 Jun;61(6):713-718. |
19. Ali F, Ridolfi TJ. The Authors Reply. Dis Colon Rectum. 2018 Jul;61(7):e351. |
20. Foss HE, Blank JJ, Lundeen SJ, Peterson CY, Ludwig KA, Ridolfi TJ. Race is associated with burden of anal condyloma and need for operative intervention. Journal of Surgical Research. 2018 Dec;232:629-634. PMID: 30463783 |
21. Henning RE, Hu KY, Rein LE, Szabo A, Peterson CY, Ludwig KA, Ridolfi TJ. Alvimopan is associated with decreased length of stay for both open and laparoscopic segmental colectomy. Surgery. 2019 Oct;166(4):483-488. |
22. Blank J, Berger N, Knechtges P, Prost R, Peterson C, Ludwig K, Ridolfi T. Initial Experience With Staging Rectal Adenocarcinoma Using 7T Magnetic Resonance Imaging Journal of Surgical Research. January 2020;245:434-440. |
23. Blank JJ, Gibson EK, Peterson CY, Ridolfi TJ, Ludwig KA. Retroileal anastomosis in hand-assisted laparoscopic left colectomy: experience at a single institution. Surg Endosc. 2020 Aug;34(8):3408-3413. |
24. Hu KY, Simpson MT, Blank JJ, Szabo A, Eastwood D, Ludwig KA, Peterson CY, Ridolfi TJ. Use of Neoadjuvant Chemotherapy in the Treatment of Locally Advanced Rectal Cancer. J Surg Res. 2019 Nov;243:447-452. |
25. Hu KY, Peterson CY, Ludwig KA, Ridolfi TJ. Response to: "Alvimopan and outcome after colectomy?". Surgery. 2020 Mar;167(3):677. |
26. Durand MJ, Beckert AK, Peterson CY, Ludwig KA, Ridolfi TJ, Lauer KK, Freed JK. You Are Only as Frail as Your Arteries: Prehabilitation of Elderly Surgical Patients Current Anesthesiology Reports. 1 December 2019;9(4):380-386. |
27. Whitehouse J, Albright E, Bosbous M, Kiely M, Ludwig M, Parisi N, Ridolfi T. Surgical Education: The New Generation Journal of Surgical Education. November 2007;64(6):431-432. |
28. Hu KY, Wu R, Szabo A, Ridolfi TJ, Ludwig KA, Peterson CY. Laparoscopic Versus Robotic Proctectomy Outcomes: An ACS-NSQIP Analysis. J Surg Res. 2020 Nov;255:495-501. |
29. Mather TL, Hu KY, Rein LE, Szabo A, Lundeen SJ, Peterson CY, Ludwig KA, Ridolfi TJ. Racial and Ethnic Variation Associated With Human Papillomavirus Genotype in Anal Dysplasia. J Surg Res. 2020 Dec;256:311-316. |
30. Blank JJ, Liu Y, Yin Z, Spofford CM, Ridolfi TJ, Ludwig KA, Otterson MF, Peterson CY. Impact of Auricular Neurostimulation in Patients Undergoing Colorectal Surgery with an Enhanced Recovery Protocol: A Pilot Randomized, Controlled Trial. Dis Colon Rectum. 2021 Feb 01;64(2):225-233. |
31. Nyitray AG, Schick V, Swartz MD, Giuliano AR, Fernandez ME, Deshmukh AA, Ridolfi TJ, Ajala C, Brzezinski B, Sandoval M, Nedjai B, Smith JS, Chiao EY. Rationale and design of the Prevent Anal Cancer Self-Swab Study: a protocol for a randomised clinical trial of home-based self-collection of cells for anal cancer screening. BMJ Open. 2021 Jun 29;11(6):e051118. PMCID: PMC8245463 |
32. Peterson KJ, Blank JJ, Deshpande RR, Liu Y, Peterson CY, Ludwig KA, Ridolfi TJ. A Cautionary Note Regarding Obesity and Young Adult Rectal Cancer. J Gastrointest Surg. 2022 Apr;26(4):927-928. |
33. Peterson KJ, Dyrud P, Johnson C, Blank JJ, Eastwood DC, Butterfield GE, Stekiel TA, Peterson CY, Ludwig KA, Ridolfi TJ. Saddle block anesthetic technique for benign outpatient anorectal surgery. Surgery. 2022 Mar;171(3):615-620. |
34. Beltrán Ponce SE, Erickson BA, Hall WA, Bedi M, Martens MJ, Siker M, Thomas J, George B, Ludwig K, Peterson C, Ridolfi T, Longo JM. Long term clinical outcomes and associated predictors of progression free survival in anal canal cancer Journal of Gastrointestinal Oncology. February 2022;13(1):185-196. |
35. Tai S, Mohananey D, Griffiths C, Johnson B, Garg J, Ridolfi TJ, Lohr NL, Chakrabarti S, Brown SA. Successful infusional 5-fluorouracil administration in a patient with vasospastic angina. Am Heart J Plus. 2022 May;17. PMCID: PMC9432777 |
36. Peterson KJ, Simpson MT, Drezdzon MK, Szabo A, Ausman RA, Nencka AS, Knechtges PM, Peterson CY, Ludwig KA, Ridolfi TJ. Predicting Neoadjuvant Treatment Response in Rectal Cancer Using Machine Learning: Evaluation of MRI-Based Radiomic and Clinical Models. J Gastrointest Surg. 2023 Jan;27(1):122-130. |
37. Nitkowski J, Giuliano A, Ridolfi T, Chiao E, Fernandez ME, Schick V, Swartz MD, Smith JS, Schneider EA, Brzezinski B, Nyitray AG. Effect of the environment on home-based self-sampling kits for anal cancer screening. J Virol Methods. 2022 Dec;310:114616. PMCID: PMC9645463 |
38. Nyitray AG, Ridolfi TJ, Nitkowski J, McAuliffe TL, Deshmukh AA, Giuliano AR, Chiao EY, Prevent Anal Cancer Self-Swab Study Team. Digital Anal Rectal Examination Usage Among Individuals at Increased Risk for Anal Cancer. J Low Genit Tract Dis. 2023 Jul 01;27(3):242-247. PMCID: PMC10313742 |
39. Nyitray AG, Nitkowski J, McAuliffe TL, Brzezinski B, Swartz MD, Fernandez ME, Deshmukh AA, Ridolfi TJ, Lundeen SJ, Cockerham L, Wenten D, Petroll A, Hilgeman B, Smith JS, Chiao EY, Giuliano AR, Schick V, Prevent Anal Cancer Self-Swab Study Team. Home-based self-sampling vs clinician sampling for anal precancer screening: The Prevent Anal Cancer Self-Swab Study. Int J Cancer. 2023 Aug 15;153(4):843-853. PMCID: PMC10330574 |
40. Drezdzon MK, Cowley NJ, Sweeney DP, Peterson CY, Ridolfi TJ, Ludwig KA, Evans DB, Calata JF. Going for Broke: The Impact of Cost of Living on Surgery Resident Stipend Value. Ann Surg. 2023 Dec 01;278(6):1053-1059. |
41. Nitkowski J, Fernandez ME, Ridolfi T, Chiao E, Giuliano AR, Schick V, Swartz MD, Smith JS, Nyitray AG. The impact of body mass index and physical disability on home-based anal self-sampling. Cancer Causes Control. 2024 Jan;35(1):161-166. |
42. Peterson KJ, O'Donnell CM, Eastwood DC, Szabo A, Hu KY, Ridolfi TJ, Ludwig KA, Peterson CY. Evaluation of the Rothman Index in Predicting Readmission after Colorectal Resection. Am J Med Qual. 2023 Nov 01;38(6):287-293. |
43. Nitkowski J, Giuliano AR, Ridolfi T, Chiao E, Fernandez ME, Schick V, Swartz MD, Smith JS, Nyitray AG. Acceptability of Anal Human Papillomavirus Home Self-Sampling and Clinician Sampling Among Sexual and Gender Minority Individuals in Milwaukee, Wisconsin: The Prevent Anal Cancer Self-Swab Study. LGBT Health. 2024 Jan;11(1):47-56. |
44. Drezdzon MK, Calata JF, Peterson CY, Otterson MF, Ludwig KA, Ridolfi TJ. Lending a hand: The utility of hand-assisted laparoscopic surgery in diverticulitis with fistula. Surgery. 2024 Mar;175(3):776-781. |
45. Davids JS, Ridolfi TJ. Hemorrhoids The ASCRS Textbook of Colon and Rectal Surgery: Fourth Edition. 1 January 2021:209-229. |
46. Nitkowski J, Ridolfi TJ, Lundeen SJ, Giuliano AR, Chiao E, Fernandez ME, Schick V, Smith JS, Brzezinski B, Nyitray AG. The influence of home versus clinic anal human papillomavirus sampling on high-resolution anoscopy uptake in the Prevent Anal Cancer Self-Swab Study. medRxiv. 2023 Dec 29. PMCID: PMC10793519 |
47. Nyitray AG, Rosser BRS, Hazra A, Nitkowski J, Smith D, Brzezinski B, Ridolfi TJ, Schneider JA, Chiao EY, Sanos S, Mkonyi E, Mgopa LR, Ross MW. Factors associated with decreased anal sphincter tone and the accuracy of forced anal examinations to detect individuals having receptive anal intercourse: An observational study. medRxiv. 2024 Feb 01. PMCID: PMC10862988 |
48. Nitkowski J, Giuliano AR, Ridolfi T, Chiao E, Fernandez ME, Schick V, Swartz MD, Smith JS, Nyitray AG. Concordance of Human Papillomavirus Genotypes in Mailed Home-Based Self-Collected Versus Clinician-Collected Anal Swabs Among Sexual and Gender Minority Individuals. Sex Transm Dis. 2024 Apr 01;51(4):270-275. PMCID: PMC10978280 |
Books, Chapters, and Reviews |
1. Ludwig KA, RIDOLFI T.J. Right Colectomy: Hand-Assisted, Minimally
Invasive Approaches to the Colon and Rectal Disease:
Techniques and Best Practices, Ross H, Lee S, Mutch M,
Rivadeneria D and Steele S, eds. Springer 2014
|
2. RIDOLFI T.J., Otterson M, Inflammatory Why Do I Need to Have Surgery for My Crohn’s Disease?: Surgical Management of Crohn’s Disease. Bowel Disease: A Patient Centered, Point-of-Care Reference Guide for Busy Gastroenterology Providers, Stein D, Shaker R, eds. Springer 2014
|
3. RIDOLFI T.J., Ludwig KA, Anal Cancer - Current Therapy in Colon and Rectal Surgery 3rd edition, Victor Fazio ed. Elsevier 2014
|
4. Ludwig KA, Kosinski LA, RIDOLFI T.J. Surgery: Abdominoperineal Resection, Low-Anterior Resection and Beyond. Rectal Cancer: International Perspectives on Multimodality Management. Humana Press. |
Editorials, Letters to Editor, Other |
1. Ludwig K, RIDOLFI T.J. Does every question deserve a randomized controlled trial? Arch Surg, 2009. 144(12): p. 1132. |
Abstracts |
1. Lee Y, Grass J, RIDOLFI T.J. Jumonji Functions as a Transcriptional Repressor of the Cardiac Specific Gene. Circulation, Vol. 104(17) Supp: II-76, Oct. 2001. |
2. RIDOLFI T.J., Takahashi T., Kosinski L., Ludwig K. The Effects of Pelvic Denervation on Rectal Motility in the Rat. Diseases of the Colon & Rectum, 2009. 52(4). 8 |
3. RIDOLFI T.J., Tong WD, Kosinski L, Takahashi T, Ludwig KA Recovery of colonic transit following extrinsic nerve damage in rats. JSR Volume 158, Issue 2, Pages 330–331 February 2010 |
