In view of the positive results of the numerous studies conducted on forced diuresis after extra-corporeal lithotripsy, the investigators chose to evaluate forced diuresis by injection of Furosemide associated with intravenous hydration, which has never before been the subject of a specific analysis.
Patients ≥ 18 years old and < 80 years old
With the need to perform a flexible ureteroscopy with destruction of the kidney stones with laser
Participants covered by or entitled to social security
Written informed consent obtained from the participant
Persons covered by articles L1121-5 to L1121-8 of the CSP (corresponding to all protected persons: pregnant women, parturients, nursing mothers, persons deprived of their liberty by judicial or administrative decision, minors, and persons subject to a legal protection measure: guardianship or trusteeship)
Hyper-sensitivity to the active substance or one of the excipients
Hyper-sensitivity to Sulfonamide
Renal failure with oligo-anuria refractory to Furosemide