Journal of pediatric urology
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To describe and evaluate our protocol for management of children≤4years old with obstructive calcular anuria (OCA) and acute renal failure (ARF) to improve selection of initial urinary drainage (ID) method and to facilitate subsequent definitive stone management (DSM) as studies discussing this special group of patients are still few. ⋯ Our protocol ensures adequate ID with minimal complications when using our selection criteria in children≤4 years in age with OCA and ARF. It also minimizes number of subsequent procedures to clear stones. Complications and success in insertion and drainage were equivalent in PCN and JJ groups.
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Parisian cutler Joseph-Frédéric-Benoît Charrière (1803-1876) contributed greatly to surgical disciplines with innovative tools, but his legacy is the gauge system he developed in 1842 that is still used for catheters, probes, and dilators. Sounding devices have been documented in the surgical armamentarium since 3000 BC, with practitioners such as Hippocrates, Galen, Celsus, and Al-Zahrawi espousing theories on sounding and the related topics of stones and urinary obstruction. ⋯ Most importantly he created the catheter scale that, despite not being favored in its country of origin, became an international standard and is known today as the French system. The classification of sounds, catheters, and bougies has undergone many variations throughout the years, but the French scale still holds in current medical practice as an accurate and nearly universal sizing tool.