Wolfgang Gaertner , MD, MSc, FACS, FASCRS.

Gaertner, W. B. "Consultants corner: difficult colorectal cancer cases – tumor board", University of Minnesota principles of colon and rectal surgery course, Minneapolis, Minnesota, United States. November 01, 2019.

Gaertner, W. B. "TME cage match – debate. Robotic approach", University of Minnesota principles of colon and rectal surgery course, Minneapolis, Minnesota, United States. November 01, 2018.

Gaertner, W. B. "Total neoadjuvant therapy for rectal cancer", University of Minnesota principles of colon and rectal surgery course, Minneapolis, Minnesota, United States. November 01, 2018.

Gaertner, W. B. "The complex and refractory pilonidal", University of Minnesota principles of colon and rectal surgery course, Minneapolis, Minnesota, United States. November 01, 2018.

Gaertner, W. B. "Consultants corner: difficult colorectal cancer cases – tumor board", University of Minnesota principles of colon and rectal surgery course, Minneapolis, Minnesota, United States. November 01, 2018.

Gaertner, W. B. "Video abstract session (small bowel & colorectal).", Annual meeting of the Surgical Society of the Alimentary Tract, Washington, District of Columbia, United States. June 01, 2018.

Gaertner, W. B. "Ostomies and stomal therapy", Annual meeting of the American Society of Colon and Rectal Surgeons, Nashville, Tennessee, United States. May 01, 2018.

Curran, T., Jensen, C., Kwaan, M., Madoff, R. D., Gaertner, W. B. "High rate of reoperation following combined abdominal wall reconstruction and Hartmann’s reversal should prompt evaluation of a staged approach", Annual meeting of the American Society of Colon and Rectal Surgeons, Nashville, Tennessee, United States. May 01, 2018.

Skube, S. J., Arsoniadis, E. G., Sulciner, M. L., Gilles, S. E., Gaertner, W. B., Madoff, R. D., Melton-Meaux, G. B., Kwaan, M. "Colorectal lymphoma: a contemporary case series", Annual meeting of the American Society of Colon and Rectal Surgeons, Nashville, Tennessee, United States. May 01, 2018.

Gaertner, W. B., Gorrepati, M. L., Guo, D., Mehendale, S., Raskin, E. "Sigmoidectomy for diverticular disease: risk factors for extended length of hospital stay", Annual meeting of the American Society of Colon and Rectal Surgeons, Nashville, Tennessee, United States. May 01, 2018.

Gaertner, W. B. "The use of immunofluorescence in robotic colon and rectal surgery", Annual meeting of the American Society of Colon and Rectal Surgeons, Nashville, Tennessee, United States. May 01, 2018.

Gaertner, W. B. "Colorectal considerations from gender reassignment surgery.", Core subjects symposium, Annual meeting of the American Society of Colon and Rectal Surgeons - Rare colorectal pathology symposium, Nashville, Tennessee, United States. May 01, 2018.

Gaertner, W. B. "Who needs colectomy after percutaneous drainage of a diverticular abscess? ", Annual meeting of the Mexican Society of Colon & Rectal Surgeons.. February 01, 2018.

Gaertner, W. B. "Robotic ventral rectopexy: indications and operative technique step-by-step ", Annual meeting of the Mexican Society of Colon & Rectal Surgeons, Merida, Mexico. February 01, 2018.

Gaertner, W. B. "Total neoadjuvant therapy for rectal cancer: friend or foe?", Annual meeting of the Mexican Society of Colon & Rectal Surgeons, Merida, Mexico. February 01, 2018.

Gaertner, W. B. "Surgical approaches to rectal prolapse", Annual meeting of the Mexican Society of Colon & Rectal Surgeons, Merida, Yucatan, Mexico. February 01, 2018.

Gaertner, W. B. "Parastomal hernia: should we be using prophylactic mesh?", Colorectal grand rounds presentation, OhioHealth, Columbus, Ohio, United States. November 01, 2017.

Gaertner, W. B. "An unusual case of multicystic peritoneal mesothelioma thought to be pseudomyxoma peritonei from appendiceal neoplasm", Annual Clinical Congress, American College of Surgeons, San Diego, California, United States. October 01, 2017.

Maguire, L., Jensen, C., Kwaan, M., Madoff, R. D., Gaertner, W. B. "Metformin increases complete pathologic response among diabetics with rectal cancer", Annual meeting of the American Society of Colon and Rectal Surgeons, Seattle, Washington, United States. June 01, 2017.

Skube, S. J., Aziken, N., Madoff, R. D., Gaertner, W. B., Melton-Meaux, G. B., Kwaan, M. "Does extraperitoneal stoma formation reduce the incidence of parastomal hernia?", Annual meeting of the American Society of Colon and Rectal Surgeons, Seattle, Washington, United States. June 01, 2017.

Gaertner, W. B. "Quick shot session (small bowel & colorectal)", Annual meeting of the Surgical Society of the Alimentary Tract, Chicago, Illinois, United States. May 01, 2017.

Gaertner, W. B. "Do we need to operate on patients after successful percutaneous drainage of a diverticular abscess? ", Annual meeting of the Mexican Society of Colon & Rectal Surgeons. , San Juan del Rio, Mexico. April 01, 2017.

Gaertner, W. B. "HIPEC for colorectal adenocarcinoma: who and when?", Annual meeting of the Mexican Society of Colon & Rectal Surgeons, San Juan del Rio, Mexico. April 01, 2017.

Gaertner, W. B. "Margins are clear: do we still need preop radiation? ", Annual meeting of the Mexican Society of Colon & Rectal Surgeons, San Juan del Rio , Mexico. April 01, 2017.

Gaertner, W. B. "Preoperative endorectal ultrasound for rectal cancer. ", Grand rounds presentation. , Hospital General de Mexico, Mexico City, Mexico. April 01, 2017.

Gaertner, W. B. "Parastomal hernia: should we be using prophylactic mesh? ", Annual meeting of the Mexican Society of Colon & Rectal Surgeons., San Juan del Rio, Mexico. April 01, 2017.

Gaertner, W. B. "Rectal cancer", Annual meeting of the Mexican Society of Colon & Rectal Surgeons, San Juan del Rio, Queretaro, Mexico. April 01, 2017.

Gaertner, W. B. "The use of Firefly™ in robotic colorectal resection", Robotic colon and rectal surgery workshop, Minneapolis, Minnesota, United States. November 01, 2016.

Arsoniadis, E. G., Fan, Y., Jarosek, S. L., Gaertner, W. B., Melton-Meaux, G. B., Madoff, R. D., Kwaan, M. "Decreased use of sphincter-preserving procedures among African Americans with rectal cancer", Clinical Congress (Owen H. Wangensteen Surgical Forum), American College of Surgeons, Washington, District of Columbia, United States. October 01, 2016.

Gaertner, W. B. "HIPEC for colorectal adenocarcinoma: who and when", 79th annual University of Minnesota principles of colon and rectal surgery course, Minneapolis, Minnesota, United States. September 01, 2016.

Gaertner, W. B. "Colorectal Cancer", 79th annual University of Minnesota principles of colon and rectal surgery course, Minneapolis, Minnesota, United States. September 01, 2016.

Gaertner, W. B. "Margins are clear: do we still need preop radiation?", 79th annual University of Minnesota principles of colon and rectal surgery course, Minneapolis, Minnesota, United States. September 01, 2016.

Gaertner, W. B. "Long-term outcomes in indeterminate colitis patients undergoing ileal pouch-anal anastomosis: function, quality of life & complications", Annual meeting of the Surgical Society of the Alimentary Tract. May 01, 2016.

Lee, J. T., Skube, S., Melton-Meaux, G. B., Kwaan, M., Madoff, R. D., Gaertner, W. B. "Elective colectomy for diverticular disease in transplant patients: Is it worth the risk?", Annual meeting of the American Society of Colon and Rectal Surgeons, Los Angeles, California, United States. May 01, 2016.

Gaertner, W. B. "Inflammatory bowel disease south of the border: is this the same disease?", International colorectal surgery symposium: perspectives from Latin America, Annual meeting of the American Society of Colon and Rectal Surgeons, Los Angeles, California, United States. May 01, 2016.

Gaertner, W. B. "Does hospital transfer impact outcomes after colorectal surgery?", Annual meeting of the American Society of Colon and Rectal Surgeons, Los Angeles, California, United States. May 01, 2016.

Gaertner, W. B. "Cytoreductive surgery with hyperthermic intraperitoneal chemotherapy for appendiceal and colorectal cancer: what’s the evidence?", Grand rounds presentation , Fairview Southdale Hospital, Edina, Minnesota, United States. May 01, 2016.

Gaertner, W. B. "Elective treatment for diverticular disease: who needs a colectomy? ", Annual meeting of the Latin American association of coloproctology, International congress of coloproctology, Aguascalientes, Mexico. March 01, 2016.

Gaertner, W. B. "Use of biologic prostheses in the pelvis and abdominal wall: what is the evidence? ", Annual meeting of the Latin American association of coloproctology, International congress of coloproctology, Aguascalientes, Mexico. March 01, 2016.

Gaertner, W. B. "When is it the optimal moment to operate after neoadjuvant therapy? ", Annual meeting of the Latin American association of coloproctology, International congress of coloproctology., Aguascalientes, Mexico. March 01, 2016.

Gaertner, W. B. "Do we need to operate on patients after successful percutaneous drainage of a diverticular abscess?", Grand rounds presentation , Department of Surgery, University of Minnesota, Minneapolis, Minnesota, United States. January 01, 2016.

Gaertner, W. B. "Local Excision For Cancer: Importance of Patient Selection", Cutting Edge Transanal Surgical Options Workshop, Principles of Colon and Rectal Surgery Course, Minneapolis, Minnesota, United States. October 01, 2015.

Gaertner, W. B. "Parastomal Hernia: Should We Be Using Prophylactic Mesh?", Principles of Colon and Rectal Surgery Course, Minneapolis, Minnesota, United States. October 01, 2015.

Gaertner, W. B., Nunez-Garcia, E., Baldy-Spindel, I., Medina-Leon, J., Sordo-Meija, R. "Does Cyanoacrylate Glue Reinforcement Reduce Anastomotic Failure? Results of an Experimental Comparative Study", Annual meeting of the American Society of Colon and Rectal Surgeons, Boston, Massachusetts, United States. June 01, 2015.

Arias-Gutierrez, A., Laresgoiti-Servitje, E., Gaertner, W. B., Vega de Jesus, M., Obregon-Mendez, J. G., Dacanini, C. "Is early fundoplication associated with increased rates of regression of Barrett’s Esophagus?", Annual meeting of the Surgical Society of the Alimentary Tract, Minneapolis, Minnesota, United States. May 01, 2015.

Gaertner, W. B. "Laparoscopic management of colovesical fistula", 8vo Congreso Internacional de Cirugia General (Asociacion Mexicana de Cirugia General). October 01, 2014.

Gaertner, W. B. "Management of postoperative complication in colon and rectal surgery. ", 38vo Congreso Internacional de Cirugia General (Asociacion Mexicana de Cirugia General), Leon, Mexico. October 01, 2014.

Cabrera-Collazo, K. L., Obregon-Mendez, J., Gaertner, W. B., Vega de Jesus, M., Decanini-Teran , C. "Intraperitoneal migration of a polypropylene cone as an intraoperative finding during contralateral laparoscopic hernia repair", 38vo Congreso Internacional de Cirugia General (Asociacion Mexicana de Cirugia General), Leon, Mexico. October 01, 2014.

Gaertner, W. B., Madoff, R. D., Mellgren, A., Kwaan, M., Melton-Meaux, G. B. "Impact of postoperative clostridium difficile infection after colon and rectal operations", Tripartite Colorectal Meeting, Birmingham, United Kingdom. July 01, 2014.

Gaertner, W. B. "The role of Robotics in Colorectal Surgery.", XXIII Congreso Internacional de la Asociación Mexicana de Cirugía Endoscópica. , Veracruz, Mexico. May 01, 2014.

Gaertner, W. B. "Transanal Endoscopic Microsurgery. ", XXIII Congreso Internacional de la Asociación Mexicana de Cirugía Endoscópica. May 01, 2014.

Gaertner, W. B., Madoff, R. D., Mellgren, A., Kwaan, M., Melton-Meaux, G. B. "Impact of postoperative clostridium difficile infection after colon and rectal operations", Annual meeting of the American Society of Colon and Rectal Surgeons, Hollywood, Florida, United States. May 01, 2014.

Diaz-Calderon, D., Gaertner, W. B., Decanini, C. "Modified Nissen fundoplication: operative technique and its impact on immediate postoperative complications", Annual meeting of the Surgical Society of the Alimentary Tract, Chicago, Illinois, United States. May 01, 2014.

Estrada-Gomez, R. A., Decanini-Teran, C., Gaertner, W. B., Vega de Jesus, M., Obregon-Mendez, J. G., Arias-Gutierrez, A., De Rienzo-Madero, B. "A large, single-surgeon experience with laparoscopic redo fundoplication: operative technique and long-term outcomes", Annual meeting of the Surgical Society of the Alimentary Tract, Chicago, Illinois, United States. May 01, 2014.

Gaertner, W. B. "Anal Fistula: cut, plug, flap or LIFT? ", 37vo Congreso Internacional de Cirugia General (Asociacion Mexicana de Cirugia General), Acapulco, Mexico. November 01, 2013.

Gaertner, W. B. "Complicated diverticular disease: current management and controversies.", American British Hospital Medical Association (General Session), Mexico City, Mexico. October 01, 2013.

Gaertner, W. B., Finne, C. O. "Bascom cleft lift operation: description of the technique and potential pitfalls", Annual John G. Buls Lecture, Minneapolis, Minnesota, United States. May 01, 2013.

Gaertner, W. B., Witt, J. L., Madoff, R. D., Mellgren, A., Finne, C., Spencer, M. "Ileal pouch fistulas after restorative proctocolectomy: management and outcomes", Annual meeting of the American Society of Colon and Rectal Surgeons, Phoenix , Arizona, United States. May 01, 2013.

Gaertner, W. B., Madoff, R. D., Rothenberger, D. A., Willis, D. J., Kwaan, M., Melton-Meaux, G. B. "Percutaneous Drainage of Colonic Diverticular Abscess: Is Colon Resection Necessary?", Annual meeting of the American Society of Colon and Rectal Surgeons, San Antonio, Texas, United States. June 01, 2012.

Gaertner, W. B., Al-Refaie , W. "Case presentation. Large intraperitoneal liposarcoma: treatment and outcomes", Minneapolis Surgical Society, Minneapolis, Minnesota, United States. January 01, 2012.

Gaertner, W. B., Madoff, R. D., Rothenberger, D. A., Melton-Meaux, G. B. "Percutaneous Drainage of Colonic Diverticular Abscess: Is Colon Resection Necessary? ", Annual Minnesota Surgical Society Meeting, Minneapolis, Minnesota, United States. May 01, 2011.

Gaertner, W. B., Finne, C. O., Mellgren, A. F., Madoff, R. D. "Perianal hidradenitis suppurativa and Crohn’s disease: is nonoperative treatment associated with better outcomes? ", Annual meeting of the American Society of Colon and Rectal Surgeons, Minneapolis, Minnesota, United States. May 01, 2010.

Gaertner, W. B., Madoff, R. D., Mellgren, A., Spencer, M. P., Goldberg, S. M., Lowry, A. C. "Results of Combined Medical and Surgical Treatment of Rectovaginal Fistulas in Crohn’s Disease", Clinical Congress (Owen H. Wangensteen Surgical Forum) , American College of Surgeons, San Francisco, California, United States. October 01, 2008.

Gaertner, W. B., Hagerman, W. B., Hagerman, G. F., Felemovicius, I., Bonsack, M. E., Delaney, J. P. "Two experimental models for generating abdominal adhesions", Annual Academic Surgical Congress, Huntington Beach, California, United States. February 01, 2008.

Gaertner, W. B., Hagerman, G. F., Goldberg, S. M., Finne, C. O. "Perianal Paget's disease treated with wide excision and gluteal flap reconstruction: report of a case", 93rd Annual Clinical Congress, American College of Surgeons, New Orleans, Louisiana, United States. October 01, 2007.

Gaertner, W. B., Hagerman, G. F., Finne, C. O., Alavi, K., Rothenberger, D. A., Madoff, R. D. "Fistula-associated anal adenocarcinoma: good results with aggressive therapy", Clinical Congress , American College of Surgeons, New Orleans, Louisiana, United States. October 01, 2007.

Gaertner, W. B., Decanini, A., Mellgren, A. F., Lowry, A. C., Goldberg, S. M., Madoff, R. D., Spencer, M. P. "Does Infliximab Infusion Impact Results of Operative Treatment for Crohn’s Perianal Fistulas? ", Annual meeting of the American Society of Colon and Rectal Surgeons, St. Louis, Missouri, United States. June 01, 2007.

Gaertner, W. B., Bonsack, M. E., Delaney, J. P. "Two New Biologic Prostheses Compared with Alloderm® and Permacol® for Ventral Hernia Repair in the Rat", Annual Minnesota Surgical Society Meeting, Minneapolis, Minnesota, United States. May 01, 2007.

Gaertner, W. B., Bonsack, M. E., Delaney, J. P. "Two New Biologic Prostheses Compared with Alloderm® and Permacol® for Ventral Hernia Repair in the Rat", Annual meeting of the Surgical Society of the Alimentary Tract, Washington, District of Columbia, Wales. May 01, 2007.

Gaertner, W. B., Hagerman, G. F., Felemovicius, I., Bonsack, M. E., Delaney, J. P. "Antistatic prevention of postoperative adhesions", Annual meeting of the European Society of Coloproctology, Lisbon, Portugal. September 01, 2006.

Hagerman, G. F., Gaertner, W. B., Ruth, G. R., Potter, M. J., Karulf, R. E. "Bovine pericardium buttress reinforces colorectal anastomoses in a canine model", Annual meeting of the European Society of Coloproctology, Lisbon, Portugal. September 01, 2006.

Hagerman, G. F., Bruun, J. S., Hagerman, S., Goetz, L., Parker, S., Gaertner, W. B., Madoff, R. D., Mellgren, A. "Functional outcome after surgery for internal rectal intussusception", Annual meeting of the European Society of Coloproctology, Lisbon, Portugal. September 01, 2006.

Bruun, J. S., Hagerman, G. F., Gaertner, W. B., Hagerman, S., Goldberg, S. M., Mellgren, A. F., Madoff, R. D. "Abdominal rectopexy for full thickness rectal prolapse: does sigmoid resection improve functional outcome?", Annual meeting of the American Society of Colon and Rectal Surgeons, Seattle, Washington, United States. July 01, 2006.

Gaertner, W. B., Hagerman, G. F., Felemovicius, I., Bonsack, M. E., Delaney, J. P. "Antistatic prevention of postoperative adhesions", Annual meeting of the American Society of Colon and Rectal Surgeons, Seattle, Washington, United States. June 01, 2006.

Hagerman, G. F., Gaertner, W. B., Ruth, G. R., Potter, M. J., Karulf, R. E. "Bovine pericardium buttress reinforces colorectal anastomoses in a canine model", Annual meeting of the American Society of Colon and Rectal Surgeons, Seattle, Washington, United States. June 01, 2006.

Hagerman, G. F., Bruun, J. S., Hagerman, S., Goetz, L., Parker, S., Gaertner, W. B., Madoff, R. D., Mellgren, A. "Functional outcome after surgery for internal rectal intussusception", Annual meeting of the American Society of Colon and Rectal Surgeons, Seattle, Washington, United States. June 01, 2006.

Hagerman, G. F., Gaertner, W. B., Felemovicius, I., Bonsack, M. E., Delaney, J. P. "Prevention of adhesions to mesh and to tissue", 3rd International Hernia Congress, American and European Hernia Society, Boston, Massachusetts, United States. June 01, 2006.

Gaertner, W. B., Hagerman, G. F., Felemovicius, I., Bonsack , M. E., Delaney, J. P. "Prevention of Adhesions to Mesh and to Tissue", Annual Minnesota Surgical Society Meeting, Minneapolis, Minnesota, United States. May 01, 2006.

Decanini, C., Spaventa, A., Gaertner, W. B. "Endoscopy during refundoplications: does intraoperative guidance improve outcome", Clinical Congress, American College of Surgeons, San Francisco, California, United States. October 01, 2005.

Flores, L. M., Vidal, P., Padilla, R., Quijano, F., Martinez, A., Montañez, H., Gaertner, W. B. "Giant retroperitoneal liposarcoma: a case report", 19th World Congress of the International Society for Digestive Surgery, Yokohama, Japan. December 01, 2004.

Flores, L. M., Cueto, J., Vazquez, A., Vidal, P., Golffier, C. E., Gaertner, W. B., Flores, J. M. "Successful laparoscopic approach for chronic gastric volvulus without a hiatal hernia", 19th World Congress of the International Society for Digestive Surgery, Yokohama, Japan. December 01, 2004.

Flores, L. M., Espinoza, A., Flores, J. M., Golffier, C. E., Gaertner, W. B., Vidal, P. "Giant bilateral pheochromocytoma: is laparoscopic adrenelectomy the preferred surgical approach", 19th World Congress of the International Society for Digestive Surgery, Yokohama, Japan. December 01, 2004.

Flores, L. M., Baquera, J., Lopez, J., Flores, J. M., Gaertner, W. B., Golffier, C. E., Vidal, P., Moussali, L. "Primary carcinoid tumor of the kidney: an unusual entity", 19th World Congress of the International Society for Digestive Surgery, Yokohama, Japan. December 01, 2004.