The “mini-perc” technique: a less invasive alternative to percutaneous nephrolithotomy
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The disadvantages of standard percutaneous nephrolithotomy (PCNL) as compared with ureteroscopy or extracorporeal shock-wave lithotripsy include increased blood loss, greater pain, and longer hospital stay. A 13-Fr “mini-perc” technique using a ureteroscopy sheath for PCNL was developed in an attempt to address these drawbacks. Nine “mini-percs” have been performed in patients aged 40–73 years with stone burdens of ≤ 2 cm2. On average, patients had 1.4 stones with a cross-sectional area of 1.5 cm2. The mean total procedure time, estimated blood loss, and hematocrit decrease were 176 min, 83 ml, and 6.6%, respectively. On average, patients used 14 mg of parenteral morphine and stayed 1.7 days in the hospital. There was no procedure-related complication or transfusion. Eight of nine kidneys (89%) were stone-free on early follow-up at a mean of 3.8 weeks. As compared with standard PCNL, the “mini-perc” technique has similar early success rates in selected patients and may offer advantages with respect to hemorrhage, postoperative pain, and shortened hospital stays.
- The “mini-perc” technique: a less invasive alternative to percutaneous nephrolithotomy
World Journal of Urology
Volume 16, Issue 6 , pp 371-374
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- A1. The James Buchanan Brady Urological Institute, The Johns Hopkins Hospital, 600 North Wolfe Street, Baltimore, MD 21287-2101, USA, TP