Table 4 Lithotripter settings used to achieve successful fragmentation and complete fragmentation success rates
From: Retrograde endoscopic lithotripsy using the innovative nanosecond electropulse method
NEPL parameters | Kidney/UPJ (Group I, n = 54) | Ureter (Group II, n = 799) | Bladder (Group III, n = 26) | |||
|---|---|---|---|---|---|---|
Upper/3 (n = 164) | Middle/3 (n = 67) | Lower/3 (n = 568) | Ureter, total (n = 799) | |||
Average energy per pulse, J | 0.74±0.07 | 0.86±0.06 | 0.78±0.11 | 0.82±0.12 | 0.83±0.1 | 0.9±0.08 |
Pulse mode and pulse frequency, Hz | Single or double pulses, | Double pulses, | Double pulses, | Double pulses, | Double pulses, | Series of 3-5 pulses, |
5 Hz | 5 Hz | 5 Hz | 5 Hz | 5 Hz | 5 Hz | |
Number of pulses required for concrement destruction, n | 60±23* | 61±48* | 42±17* | 29±15** | 35±31** | 136±57 |
% with complete fragmentation | Kidney: 96% | 91% | 100% | 95% | n/a | 100% |
UPJ 100% | ||||||