Comparing extracorporeal shock wave lithotripsy and ureteroscopy laser lithotripsy for treatment of urinary stones smaller than 2 cm: a cost‑utility analysis in the Spanish clinical setting
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Romeu, Gema; Marzullo‑Zucchet, Leopoldo José; Díaz, Javier; Villarroya, Sara; Budía, Alberto; Guzmán Ordaz, Domingo de; Caballer Tarazona, Vicente; Vivas, David
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Aquest document és un/a article, creat/da en: 2021
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Purpose To analyze the efciency and cost-utility profle of ureteroscopy versus shock wave lithotripsy for treatment of reno-ureteral stones smaller than 2 cm. Methods Patients treated for urinary stones smaller than 2 cm were included in this study (n=750) and divided into two groups based on technique of treatment. To assess the cost-utility profle a sample of 48 patients (50% of each group) was evaluated. Quality of life survey (Euroqol 5QD-3L) before-after treatment was applied, Markov model was designed to calculate quality of life in each status of the patients (stone or stone-free with and without double-J stent) and to estimate the incremental cost-utility. Monte carlo simulation was conducted for a probabilistic sensitivity analysis. Chi-square was used for comparing qualitative variables and T student's for continuous variables. Results Shock wave lithotripsy group had 408 (54.4%) and ureteroscopy group had 342 (45.6%) patients. Of them, 56.3% were treated for renal stones and 43.7% for ureteral stones. Ureteroscopy produced slightly higher overall quality of patients' life, but produced a signifcant higher overall cost per quality-adjusted life year (QALY) than shock wave lithotripsy, exceeding the cost-utility threshold (20,000 /QALY). Sensitivity analysis confrmed results in 93.65% of cases. Diference was maintained in subgroup analysis (ureteral vs renal stones). Conclusions Results suggest that in our clinical setting shock wave lithotripsy has better cost-utility profle than ureteroscopy for treatment of reno-ureteral stones less than 2 cm, but excluding waiting times, in ideal clinical setting, ureteroscopy would have better cost-utility profle than shock wave lithotripsy.
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