Initial experience of miniaturised PCNL with Swiss LithoClast® Trilogy: a European multicentre
prospective study on behalf of ESUT
BAUS ePoster online library. Thakare N. 06/23/21; 319049; p14-10
Disclosure(s): None
prospective study on behalf of ESUT
Ms. Niyukta Thakare
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Abstract
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Introduction:
Studies have shown that mini-PCNL can achieve comparable stone-free rates to conventional method, even for larger stones, and is safe. We report our experience for miniaturised PCNL with LithoClast® Trilogy using track size 20F or less and compare it to the outcomes for standard PCNL.
Patients and Methods:
Data was prospectively collected from 10 European centres, evaluating the efficiency and safety of LithoClast® Trilogy. Objective measures of stone clearance rate, device malfunction, and complications were assessed. Each surgeon evaluated ergonomic and device effectiveness, for each case, on a 1-10 scale (10=extremely ergonomic/effective) and compared it to their usual lithotrite on a 1-10 scale (10=extremely effective).
Results:
24/157 cases were performed using the miniaturised technique (58% male, 42 % female; Mean age 50years, range 13-82years). Median track size=17.5F (range 8.7F-18F), median Trilogy probe size=1.5mm (range 1.1-1.9mm). Mean stone clearance rate was 46.80mm2/minute (vs 69.06mm2/minute for standard PCNL), or 274.17 mm3/minute (vs 1071.05mm3/minute for standard PCNL). The stone-free rate on fluoroscopy for miniaturised PCNL was 88% (versus 82.6% for standard PCNL). Mean subjective surgeon feedback for ergonomic score was 7.3, suction effectiveness was 7.8, with 8.3 for combination effectiveness and 8.1 for overall effectiveness. 2 (8.3%) experienced probe breakage, no major complications (Clavien Grade>=III) were reported.
Conclusions:
This study demonstrates that LithoClast® Trilogy is highly effective and safe for miniaturised PCNL, with high user satisfaction. Stone clearance efficiency is lower for miniaturised PCNL when compared to Trilogy for standard PCNL in our series, which is expected given the smaller probe size.
Studies have shown that mini-PCNL can achieve comparable stone-free rates to conventional method, even for larger stones, and is safe. We report our experience for miniaturised PCNL with LithoClast® Trilogy using track size 20F or less and compare it to the outcomes for standard PCNL.
Patients and Methods:
Data was prospectively collected from 10 European centres, evaluating the efficiency and safety of LithoClast® Trilogy. Objective measures of stone clearance rate, device malfunction, and complications were assessed. Each surgeon evaluated ergonomic and device effectiveness, for each case, on a 1-10 scale (10=extremely ergonomic/effective) and compared it to their usual lithotrite on a 1-10 scale (10=extremely effective).
Results:
24/157 cases were performed using the miniaturised technique (58% male, 42 % female; Mean age 50years, range 13-82years). Median track size=17.5F (range 8.7F-18F), median Trilogy probe size=1.5mm (range 1.1-1.9mm). Mean stone clearance rate was 46.80mm2/minute (vs 69.06mm2/minute for standard PCNL), or 274.17 mm3/minute (vs 1071.05mm3/minute for standard PCNL). The stone-free rate on fluoroscopy for miniaturised PCNL was 88% (versus 82.6% for standard PCNL). Mean subjective surgeon feedback for ergonomic score was 7.3, suction effectiveness was 7.8, with 8.3 for combination effectiveness and 8.1 for overall effectiveness. 2 (8.3%) experienced probe breakage, no major complications (Clavien Grade>=III) were reported.
Conclusions:
This study demonstrates that LithoClast® Trilogy is highly effective and safe for miniaturised PCNL, with high user satisfaction. Stone clearance efficiency is lower for miniaturised PCNL when compared to Trilogy for standard PCNL in our series, which is expected given the smaller probe size.
Introduction:
Studies have shown that mini-PCNL can achieve comparable stone-free rates to conventional method, even for larger stones, and is safe. We report our experience for miniaturised PCNL with LithoClast® Trilogy using track size 20F or less and compare it to the outcomes for standard PCNL.
Patients and Methods:
Data was prospectively collected from 10 European centres, evaluating the efficiency and safety of LithoClast® Trilogy. Objective measures of stone clearance rate, device malfunction, and complications were assessed. Each surgeon evaluated ergonomic and device effectiveness, for each case, on a 1-10 scale (10=extremely ergonomic/effective) and compared it to their usual lithotrite on a 1-10 scale (10=extremely effective).
Results:
24/157 cases were performed using the miniaturised technique (58% male, 42 % female; Mean age 50years, range 13-82years). Median track size=17.5F (range 8.7F-18F), median Trilogy probe size=1.5mm (range 1.1-1.9mm). Mean stone clearance rate was 46.80mm2/minute (vs 69.06mm2/minute for standard PCNL), or 274.17 mm3/minute (vs 1071.05mm3/minute for standard PCNL). The stone-free rate on fluoroscopy for miniaturised PCNL was 88% (versus 82.6% for standard PCNL). Mean subjective surgeon feedback for ergonomic score was 7.3, suction effectiveness was 7.8, with 8.3 for combination effectiveness and 8.1 for overall effectiveness. 2 (8.3%) experienced probe breakage, no major complications (Clavien Grade>=III) were reported.
Conclusions:
This study demonstrates that LithoClast® Trilogy is highly effective and safe for miniaturised PCNL, with high user satisfaction. Stone clearance efficiency is lower for miniaturised PCNL when compared to Trilogy for standard PCNL in our series, which is expected given the smaller probe size.
Studies have shown that mini-PCNL can achieve comparable stone-free rates to conventional method, even for larger stones, and is safe. We report our experience for miniaturised PCNL with LithoClast® Trilogy using track size 20F or less and compare it to the outcomes for standard PCNL.
Patients and Methods:
Data was prospectively collected from 10 European centres, evaluating the efficiency and safety of LithoClast® Trilogy. Objective measures of stone clearance rate, device malfunction, and complications were assessed. Each surgeon evaluated ergonomic and device effectiveness, for each case, on a 1-10 scale (10=extremely ergonomic/effective) and compared it to their usual lithotrite on a 1-10 scale (10=extremely effective).
Results:
24/157 cases were performed using the miniaturised technique (58% male, 42 % female; Mean age 50years, range 13-82years). Median track size=17.5F (range 8.7F-18F), median Trilogy probe size=1.5mm (range 1.1-1.9mm). Mean stone clearance rate was 46.80mm2/minute (vs 69.06mm2/minute for standard PCNL), or 274.17 mm3/minute (vs 1071.05mm3/minute for standard PCNL). The stone-free rate on fluoroscopy for miniaturised PCNL was 88% (versus 82.6% for standard PCNL). Mean subjective surgeon feedback for ergonomic score was 7.3, suction effectiveness was 7.8, with 8.3 for combination effectiveness and 8.1 for overall effectiveness. 2 (8.3%) experienced probe breakage, no major complications (Clavien Grade>=III) were reported.
Conclusions:
This study demonstrates that LithoClast® Trilogy is highly effective and safe for miniaturised PCNL, with high user satisfaction. Stone clearance efficiency is lower for miniaturised PCNL when compared to Trilogy for standard PCNL in our series, which is expected given the smaller probe size.
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