Abstract
The aim of the study was to analyze the factors influencing the efficacy of ultrasound-guided extracorporeal shockwave lithotripsy (ESWL) in the treatment of ureteral stones. The clinical data of 8102 patients (6083 men and 2019 women) who presented with ureteral stones were retrospectively analyzed. All the patients were treated with ultrasound-guided ESWL. The stone-free rate (SFR) was calculated to evaluate the effect of ESWL. The characteristics of the patients and their stones, and the ESWL parameters applied were compared to identify the factors affecting the treatment outcomes. The SFR and that following one ESWL session were 94.6% (7663/8102) and 75.4% (6107/8102), respectively. Multivariate analysis showed that stone location (OR 0.656, p < 0.001), stone size (OR 1.103, p < 0.001), and degree of hydronephrosis (OR 1.952, p < 0.001) independently affected SFR; and age (OR 1.005, p = 0.022), stone location (OR 0.729, p < 0.001), stone size (OR 1.103, p < 0.001), degree of hydronephrosis (OR 1.387, p = 0.001), maximum energy level(OR 0.691, p < 0.001) independently affected SFR following one session. Ultrasound-guided ESWL is effective in all levels of ureteral stones. Large stone size and moderate hydronephrosis are correlated with treatment failure. Ultrasound-guided ESWL may be the first choice for distal ureteral stones.
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Funding
The project was supported by Tianjin Key Medical Discipline (Specialty) Construction Project, Sponsored by Tianjin Health Research Project (TJWJ2022ZD004), The Science and Technology Project of Tianjin (21JCYBJC01300), Tianjin Health Science and Technology Project (KJ20152).
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JL, LX, and HG had equal contributions. JL, LX, and HG contributed to the study conception and design. The first draft of the manuscript was written by JL and all authors commented on previous versions of the manuscript. Data collection was performed by all authors. Data analysis was performed by JL and LX. All authors read and approved the final manuscript.
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Liang, J., Xie, L., Gao, H. et al. Factors influencing the efficacy of ultrasound-guided extracorporeal shockwave lithotripsy in the treatment of ureteral stones: a retrospective study. Urolithiasis 52, 15 (2024). https://doi.org/10.1007/s00240-023-01512-9
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DOI: https://doi.org/10.1007/s00240-023-01512-9