• Salmai Turial, Martin Schwind, and Alexandra Nyiredi.
• Department of Pediatric Surgery, Pediatric Trauma and Pediatric Urology, University Medical Centre Magdeburg, 39120 Magdeburg, Germany.
• Medicina (Kaunas). 2023 May 11; 59 (5).

AbstractBackground and Objectives: A topic of greatinterest in the surgical field comprises cost and time reduction operative techniques with high efficiency rates. Thus, the aim of this paper is to evaluate whether a transection of the appendix using only a laparoscopic LigaSure™ device is feasible and, if so, which size of the laparoscopic device is optimal. Materials and Methods: Appendectomy specimens were sealed and cut using LigaSureTM V (5 mm) and LigaSure AtlasTM (10 mm) devices ex vivo. Analysis criteria included handling, resistance to bursting pressure of the appendicular stump (adequacy), eligibility, durability and airtightness. Results: Twenty sealed areas were measured. While the 5 mm instrument was not able to transect the appendix in one attempt in any of the cases, the 10 mm device could be applied successfully without any handling difficulties. The adequacy of the sealed area was rated as complete and dry in all 10 cases using the 10 mm device and as oozing in 8 of the cases using the 5 mm device. There was no leakage in terms of air and liquid tightness using the 10 mm device, in contrast to six sealed segments with air and liquid leakage when using the 5 mm device. The resistance to bursting pressure was on average 285 mmHg and 60.5 mmHg with the 10 mm and 5 mm devices, respectively. The durability and eligibility of the 10 mm device were rated as very sufficient in 9 of 10 cases (1 perforation) in contrast to the 5 mm device, where the sealing in 9 of 10 cases was not sufficient (9 perforations). Conclusions: Using the 10 mm laparoscopic LigaSure™ device for the transection of the appendix seems to be feasible, safe and resistant to 300 mmHg bursting pressure. The 5 mm LigaSure™ instrument is inadequate to seal the appendix in humans.

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