Background: Historically, percutaneous nephrostomy drainage following percutaneous nephrolithotomy (PNL) has been considered the standard of care. More recently, however, an increasing number of centers are performing tubeless (with insertion of JJ ureteric stent) or totally tubeless (with no internal or external drainage) PNL with impressive outcome data. Objective: This systematic review is to compare the clinical therapeutic efficacy and safety of nephrostomy tube-free (NT-free) and standard PNL. Materials and Methods: We searched PubMed (1966 to April 2011), Embase (1966 to April 2011), and the Cochrane Library without language restriction. All randomized controlled trials that compared NT-free PNL (using a double-J stent) with standard PNL were enrolled in this review. The Cochrane Collaboration’s RevMan5.0.2 software was used for statistical analysis. Results: Nine studies involving 547 patients were included. Patients were divided into 4 groups: NT-free group, small tube group (8–9 Fr), middle tube group (16–18 Fr), and large tube group (20–24 Fr). Meta-analysis showed that: (1) with regard to hospital stay (h) and visual analog scale scores for postoperative pain on day 1, there was no significant difference between the NT-free group and the small tube group, but there were differences between the NT-free group versus the middle and large tube groups; (2) for puncture site urinary leakage, no significant difference was found between the NT-free group and the small and middle tube groups; (3) no significant difference was found with regard to transfusion, fever or infection, operative time between the NT-free group and the 3 tube groups. Conclusions: The clinical efficacy and safety of NT-free and small tube are similar in all measurements. Compared with the middle and large tubes, NT-free PNL could reduce hospital stay and postoperative analgesia requirement without increasing other complications.

Keywords:
Percutaneous nephrolithotomy, Tubeless nephrostomy, Double-J stent, Renal calculus, Nephrostomy tube
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© 2012 S. Karger AG, Basel
2012
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