CONTEXT: Incidence, prevention, and management of complications of percutaneous
nephrolitholapaxy (PNL) still lack consensus. OBJECTIVE: To review the epidemiology of …

Context Miniaturized instruments for percutaneous nephrolithotomy (PNL), utilizing tracts
sized≤ 22 Fr, have been developed in an effort to reduce the morbidity and increase the …

OBJECTIVES: To report the development and validation of a scoring system, the Guy's stone
score, to grade the complexity of percutaneous nephrolithotomy (PCNL). Currently, no …

OBJECTIVES: A classification (modified Clavien system) has been proposed to grade
perioperative complications. We reviewed our experience with percutaneous …

Introduction Percutaneous nephrolithotomy (PCNL) is the preferred treatment of choice for
renal calculi. PCNL has evolved remarkably since the eighties when it was first described …

Purpose: To our knowledge we report the first technical feasibility and safety study of 1-step
percutaneous nephrolithotomy using the previously described 4.85 Fr all-seeing needle …

Study Type–Therapy (case control) Level of Evidence 3b What's known on the subject? and
What does the study add? Recently European Association of Urology 2011 guidelines on …

Purpose: To investigate variables that affect bleeding during percutaneous nephrolithotomy
(PCNL), focusing on the experience of a single surgeon. Patients and Methods: The records …

Background In percutaneous nephrolithotomy (PNL), the best possible way to access the
collecting system is still a matter of debate. There is little possibility of correcting a …

OBJECTIVES: Renal hemorrhage is one of the most common and worrisome complications
of percutaneous nephrolithotomy (PCNL). This study attempted to identify variables that …