Urolithiasis

Pass Rates

Size

4mm ~75%

4-6mm ~50%

>6mm ~10%

Location in Ureter

1. Distal ~70%
2. Middle ~50%
3. Proximal ~20%

Recurrence Rates

1 yr ~33%

5yr ~50%

1. Incresing H2O intake decreases rate
2. Protease inhibitors and diuretics increases rate

Source

10/07 DONALDSON (adapted from Tintinalli)