Abstract
Background: Prolonged urinary leakage after nephrostomy tube removal leads to increased morbidity of PCNL and increased hospitalization. Objective: To evaluate factors affecting post nephrostomy removal urinary leakage after percutaneous nephrolithotomy. Patients and Methods: One hundred eight (108) patients older than 18 years who underwent PCNL were studied prospectively. The reasons that can affect urinary leakage postoperatively were divided into 4 categories according to individual factors including age, gender, and body mass index; Renal factors; including, previous operation, history of ESWL, parenchymal cortical thickness, and grades of hydronephrosis; stone factor (stone burden); and surgical factors including the number of tracts, presence of double J stent, nephrostomy tube diameter and stay duration. These data were compared for postoperative urine leak. Results: Urinary leakage was revealed in 76 of 108 patients (70.3%). There was no statistically significant relationship between individual factors and urinary leakage (P >0.05). Among renal factors, just parenchymal cortical thickness and grade of hydronephrosis were strongly related to the urinary leakage (P <0.001). The renal stone burden did not affect urinary leakage (P >0.05). Among surgical factors, placing of ureteral double-J stent highly minimized the incidence of urinary leakage (P<0.001), and the urinary leakage significantly correlated with the increased diameter of the nephrostomy tube and staying duration (P<0.05). Conclusion: After PCNL surgery, some factors show to influence post-PCNL urinary leakage. however most of the urinary leakage was treated conservatively, but it increases morbidity and hospitalization. Keywords: Percutaneous nephrolithotomy; postsurgical complications; risk-factor; leaking of urine
Highlights
Percutaneous nephrolithotomy (PCNL) was urinary stone disease affects 5-15 % of first performed in the early of 1971s
The allocation of patients according to the presence and absence of Leaking urine depending on the individual factor, Kidney factors, and surgical factors, in Tables (1, 2) and (3), are shown
Those tables summed up the statistical significance of the presence of urinary leakage (PUL)
Summary
Percutaneous nephrolithotomy (PCNL) was urinary stone disease affects 5-15 % of first performed in the early of 1971s. The reasons that can affect urinary leakage postoperatively were divided into 4 categories according to individual factors including age, gender, and body mass index; Renal factors; including, previous operation, history of ESWL, parenchymal cortical thickness, and grades of hydronephrosis; stone factor (stone burden); and surgical factors including the number of tracts, presence of double J stent, nephrostomy tube diameter and stay duration. These data were compared for postoperative urine leak.
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