Objectives: Placement of multiple nephrostomy tubes is the standard practice after completion of multitract percutaneous nephrolithotomy (PCNL) to reduce hemorrhage and urinary extravasation.We compared the outcomes among tubeless, single nephrostomy drainage and multiple nephrostomy drainage tubes following PCNL requiring multiple tracts. Methods: We retrospectively analyzed the data of 115 patients who underwent PCNL using multiple (two or more) access tracts. Patients were categorized into three groups: one nephrostomy tube for each tract (group 1, n = 43); single nephrostomy tube placement (group 2, n = 51), and no nephrostomy drainage with antegrade placement of a double-J stent (group 3, n = 21). Results: The three groups had comparable demographic data. The differences in operative times, average hemoglobin decrease and complication rates for the three groups were not statistically significant. The average hospital stay in the tubeless group (mean 2.1 days) was significantly shorter than that in group 1 (4.2 days) and group 2 (3.5 days). The postoperative analgesic requirement was significantly higher in group 1 compared to group 2 (p < 0.05) and group 3 (p <0.001). Stones were completely cleared in 83.7, 84.3 and 85.7% of patients, which increased to 90.7, 92.1, and 95.2% with adjunctive therapies in groups 1, 2 and 3, respectively. Conclusions: Single or no nephrostomy drainage following multitract PCNL offers the potential advantages of decreased postoperative analgesic requirement, and hospital stay without increasing the complications.

Keywords:
Multitract, Nephrostomy drainage, Percutaneous nephrolithotomy, Tubeless
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© 2011 S. Karger AG, Basel
2011
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