• Jurgen Knuth, Markus Maria Heiss, and Dirk Rolf Bulian.
• Department of Abdominal, Vascular & Transplant Surgery, Witten/Herdecke University, Medical Center Cologne-Merheim, Cologne, Germany, jurgen.knuth@gmx.net.
• Surg Endosc. 2014 Sep 1;28(9):2661-5.

BackgroundAccess-related abdominal wall injury is part of the operative trauma in laparoscopic appendectomy and accounts for complications. Minimizing this trauma by entering the abdominal cavity by means of natural orifice transluminal surgery (NOTES) may be achieved by a hybrid-appendectomy procedure using the transvaginal route plus a single transumbilical trocar.MethodsThirteen patients were prospectively analyzed following transvaginal-hybrid NOTES appendectomy. For the procedure, rigid instruments are used with the patient in lithotomy position. The procedure is performed with two transvaginal and one transumbilical access-points. The specimen is retrieved transvaginally.ResultsAll procedures were performed without additional trocars. No conversions to standard laparoscopy or open surgery were necessary. All procedures were performed in acceptable time (mean 52 min). No intraoperative complications and two (15%) postoperative complications, an infected hematoma and an abscess, occurred. They were smoothly treated with standard techniques including one laparoscopic reoperation (8%). Drain placement or resection of a Meckel's diverticulum was easily managed without conversion. Gynecological short-term follow-up revealed one complication, which was vaginal fungal infection. It occurred after a 7-day course of antibiotics.ConclusionThis method is found to be feasible intraoperatively and early postoperatively in terms of possibility to manage a variety of intraoperative findings that may occur during planned appendectomy, low intraoperative complications, and management of postoperative complications using established concepts. We, therefore, consider the procedure safe and continue to offer hybrid-NOTES appendectomy to suitable patients.

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