Table 2 Surgical outcomes and postoperative complications of the patients (n = 30)
From: One-stage tubeless percutaneous nephrolithotomy for asymptomatic calculous pyonephrosis
Statistical variables | Results |
|---|---|
Operative time (min, mean ± SD) | 66.6 ± 34.7 |
Estimated intraoperative bleeding volume (mL, mean ± SD) | 16.7 ± 14.3 |
Retained nephrostomy tube [cases, (%)] | |
Yes | 3/30 (10.0) |
None | 27/30 (90.0) |
Postoperative hospital stay of all 30 patients (day, mean ± SD) | 5.0 ± 3.1 |
Postoperative hospital stay of the 27 one-channel patients (day, mean ± SD) | 4.6 ± 2.5 |
Pus culture [cases, (%)] | |
Negative | 8/19 (42.1) |
Aspergillus chimaera | 5/19 (26.3) |
Escherichia coli | 3/19 (15.8) |
Klebsiella pneumoniae | 2/19 (10.5) |
Pseudomonas aeruginosa | 1/19 (5.3) |
Postoperative blood WBC (109/L) | 9.6 ± 4.3 |
Postoperative complications [cases, (%)] | |
None | 26/30 (86.7) |
Body temperature > 38.5 °C | 3/30 (10.0) |
Hemorrhage | 1/30 (3.3) |
Sepsis, peripheral organ damage, death | 0 |
Immediate stone-free rate in all 30 patients [cases, (%)] | 25/30 (83.3) |
Final stone-free rate in all 30 patients [cases, (%)] | 28/30 (93.3) |
Immediate stone-free rate in the 27 one-channel patients [cases, (%)] | 25/27 (92.6) |
Final stone-free rate in the 27 one-channel patients [cases, (%)] | 25/27 (92.6) |
Major stone composition [cases, (%)] | |
Calcium oxalate stones | 15/30 (50.0) |
Infected stones | 14/30 (46.7) |
Anhydrous uric acid stones | 1/30 (3.3) |