Renal Stones
Conditions
Keywords
renal stones, SWL, High density stones, Ultraslow SWL, Slow SWL, Ramping, Pause
Brief summary
Ultraslow full-power SWL versus slow power-ramping SWL in stones with high attenuation value
Detailed description
To evaluate the efficacy of ultraslow rate of SWL versus slow rate, power ramping SWL.
Interventions
Shock wave lithotripsy
Sponsors
Study design
Eligibility
Inclusion criteria
* single renal stone less than or equal to 3 cm (2 cm for lower calyceal stones) * radio-opaque stone * high attenuation value (≥ 1000 HU) stone
Exclusion criteria
* Abnormal renal anatomy * renal insufficiency * solitary kidney * coagulopathies * uncontrolled hypertension * renal artery or aortic aneurysm * active urinary tract infection * pregnancy * severe skeletal malformations (spinal deformity) precluding proper stone localization * skin to stone distance (SSD) \> 11 cm * BMI \> 30 Kgm/m2
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| stone free rate | 3 months following last session of SWL | Complete clearance of stones in addition to clinically insignificant residual fragments |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Complications | 1 year following last session of SWL | Comparison of complications in both groups |
Countries
Egypt