• Matthias Mehdorn, Olaf Schürmann, H Maximilian Mehdorn, and Ines Gockel.
• Department of Visceral, Transplant, Thoracic and Vascular Surgery, University Hospital Leipzig, Liebigstraße 20, 04103, Leipzig, Germany. matthias.mehdorn@medizin.uni-leipzig.de.
• Bmc Surg. 2017 Jul 11; 17 (1): 80.

BackgroundCost reduction measures in medicine are gaining greater importance nowadays, especially in high-volume procedures such as laparoscopic appendectomy (LAE). Currently there are two common methods of dissecting the appendix from the caecal pole: linear stapler and endoloops. The endoloop is the cheaper device but can only be used in uncomplicated cases of appendicitis. Therefore both methods are used in LAE depending on intraoperative findings. The goal of this study was to retrospectively evaluate possible cost reduction due to increased use of endoloop in LAE in our general surgery department of a tertiary referral university hospital.MethodsWe previously used the stapler for appendix dissection in LAE as our local protocol but introduced the endoloop as standard method in 2015 to reduce intraoperative costs. We conducted a retrospective analysis of patients who underwent LAE between June 2014 and October 2015 in our department. Our purpose is to show the effects on cost reduction during the introductory period adjusting for a potential bias due to the individual learning curve of every surgeon. We estimated costs for LAE by taking into account average device costs and duration of operation (DO) as well as patient outcome.ResultsA total of 177 patients underwent LAE, 73 in 2014 (phase I) and 104 in 2015 (phase II). The median DO was 61 (± 24 SD) min during the entire period, and increased by 14 min from phase I to II (from 51 (±23 SD) min to 65 (±24 SD) min respectively, p < 0.001). The use of endoloops increased from 10% to 55% (p < 0.001). Patients' characteristics and outcomes did not differ significantly. A median saving of 5.9€ per operation was calculated in phase II compared to phase I (p = 0.80).ConclusionIntroducing the endoloop as standard device for LAE leads to a marginal reduction in intraoperative costs without increasing negative outcomes. In our model the cost-reduction achieved by cheaper devices was overcome by increased costs for DO during the initial phase of use of endoloops. A longer follow up might show a more pronounced cost reduction.

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