Efficacy and safety of the EMS Swiss LithoClast® Trilogy for PCNL: Results of the European multicentre prospective study on behalf of European Section of UroTechnology

Thakare, N., Tanase, F., Saeb-Parsy, K., Atassi, N., Endriss, R., Kamphuis, G., Pérez-Fentes, D., Hasan, M., Brehmer, M., Osther, P., Jung, H., Turney, B., Finch, W., Burgess, N., Irving, Stuart, Dragos, L., Liatsikos, E., Knoll, T., Cauni, V. and Wiseman, O. (2021) Efficacy and safety of the EMS Swiss LithoClast® Trilogy for PCNL: Results of the European multicentre prospective study on behalf of European Section of UroTechnology. World Journal of Urology, 39. 4247–4253. ISSN 0724-4983

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Abstract

Purpose: PCNL requires a lithotrite to efficiently break stones, and some devices include active suction to remove the fragments. We set out to determine the efficacy and safety of the Swiss LithoClast® Trilogy, in a prospective European multicentre evaluation and compared it to published stone clearance rates for Trilogy based on surface area (68.9 mm2/min) and using the 3D calculated stone volume (526.7 mm3/min). Methods: Ten European centres participated in this prospective non-randomized study of Trilogy for PCNL. Objective measures of stone clearance rate, device malfunction, complications and stone-free rates were assessed. Each surgeon subjectively evaluated ergonomic and device effectiveness, on a 1–10 scale (10 = extremely ergonomic/effective) and compared to their usual lithotrite on a 1–10 scale (10 = extremely effective). Results: One hundred and fifty seven PCNLs using Trilogy were included (53% male, 47% female; mean age 55 years, range 13–84 years). Mean stone clearance rate was 65.55 mm2/min or 945 mm3/min based on calculated 3D volume. Stone-free rate on fluoroscopy screening at the end of the procedure was 83%. Feedback for suction effectiveness was 9.0 with 9.1 for combination and 9.0 for overall effectiveness compared to lithotrite used previously. Ergonomic score was 8.1, the least satisfactory element. Complications included 13 (8.2%) Clavien–Dindo Grade II and 2 (1.3%) Grade III. Probe breakage was seen in 9 (5.7%), none required using a different lithotrite. Conclusions: We have demonstrated that Trilogy is highly effective at stone removal. From a user perspective, the device was perceived by surgeons to be highly effective overall and compared to the most commonly used previous lithotrite, with an excellent safety profile.

Item Type: Article
Uncontrolled Keywords: lithoclast®,lithotrite,pcnl,technology,trilogy,urolithiasis,urology ,/dk/atira/pure/subjectarea/asjc/2700/2748
Faculty \ School: Faculty of Medicine and Health Sciences > Norwich Medical School
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Depositing User: LivePure Connector
Date Deposited: 10 Nov 2021 08:15
Last Modified: 23 Nov 2021 01:39
URI: https://ueaeprints.uea.ac.uk/id/eprint/82018
DOI: 10.1007/s00345-021-03710-9

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