Renal stone location does not significantly affect stone clearance rates in patients undergoing endoscopic lithotripsy, investigators conclude.
Adam E. Perlmutter, DO, and colleagues at West Virginia University in Morgantown studied 86
stone cases treated with ureteroscopy with laser lithotripsy. Of the 86 stones, 81 (94.2%) were treated successfully, defined as the absence of residual stones, according to a report in Urology (2008;71:214-217).
Five patients (5.8%) had persistent stones. The treatment cleared all 18 upper pole stones, 23 (95.8%) of 24 middle pole stones, and 40 (90.9%) of the 44 lower pole stones, the researchers reported.