• D R Bulian, J Knuth, M A Ströhlein, A Sauerwald, and M M Heiss.
• Klinik für Viszeral-, Gefäß- und Transplantationschirurgie, Klinikum der Universität Witten/Herdecke; Campus Merheim; Kliniken der Stadt Köln, Ostmerheimer Str. 200, 51109, Köln, Deutschland, buliand@kliniken-koeln.de.
• Chirurg. 2015 Apr 1; 86 (4): 366-72.

BackgroundAppendicectomy (AE), the most frequent emergency surgical procedure, can be performed as a transvaginal hybrid natural orifice translumenal endoscopic surgery (NOTES) technique (TVAE). The question of feasibility also arises in cases of advanced inflammation with perforation.Material And MethodsSince May 2012 all female patients with suspected acute appendicitis were offered a TVAE as an alternative to the standard procedure. Preoperative, intraoperative and postoperative parameters were registered prospectively.ResultsUntil October 2013 a total of 13 TVAEs had been performed. The median age of the patients was 41 years (range 20-76 years), median BMI was 23.1 (range 18.1-28.3 kg/m(2)) and the American Society of Anesthesiologists score (ASA) distribution (I/II/≥ III) was 8/5/0. Histology revealed three cases of perforated, one hemorrhagic necrotizing and seven phlegmonous appendicitis. Furthermore, there were two findings without inflammation, namely one neurogenic appendicopathy and one neuroendocrine tumor. For the three patients with perforated appendicitis, there was a trend for higher age (67.0 years versus 33.5 years, p=0.063) and a higher C-reactive protein (CRP) level on admission (134.4 mg/l versus 26.4 mg/l, p=0.043). Also, procedural time and hospital stay were longer (64 min versus 47 min, p=0.033 and 14 days versus 3 days, p=0.004, respectively). The former was mostly due to more extensive intraoperative flushing (volume 3000 ml versus 500 ml, p=0.013 and duration 13 min versus 2 min, p=0.011). None of the cases required conversion but two of the three postoperative complications occurred in patients with perforation, which also resulted in the longer hospital stay.ConclusionTechnically, TVAE seems feasible also in cases of perforated appendicitis. However, in these cases procedural time is prolonged due to more extensive flushing. Whether or not the longer hospital stay can be attributed to the perforation or if TVAE results in a higher rate of complications in cases of perforated appendicitis needs further evaluation.

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