Renal calculi
Conditions
Interventions
Two groups:Stepwise voltage escalation on extracorporeal shockwave lithotripsy versus Standard protocol of extracorporeal shockwave lithotripsy, both are one hour one time
Sponsors
The Chinese University of Hong Kong
Eligibility
Sex/Gender
All
Age
18 Years to No maximum
Inclusion criteria
Inclusion criteria: 1. Adult patient (aged >= 18 years old); 2. Solitary radio-opaque renal stones of size 5-15mm in maximal diameter as measured from NCCT; 3. Clear clinical indication for primary SWL
Exclusion criteria
Exclusion criteria: 1. Stones associated with any renal or ureteric anatomical abnormality, such as caliceal diverticulum, horseshoe kidney, ureteropelvic junction obstruction etc.; 2. Patients with ureteric stent or nephrostomy tube inserted; 3. Patients with known history of cystine stone; 4. Patients with multiple stones in the same calyx; 5. Patients currently taking alpha-blockers or calcium-channel blockers or systemic corticosteroids; 6. Patients with history of allergy or any abnormal reaction with alfentanil.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Successful treatment at 12-weeks after one section of SWL; | — |
Secondary
| Measure | Time frame |
|---|---|
| Degree of renal injury;Incidence of renal haematoma developed after SWL;Post-treatment pain score and the total analgesics consumption;Incidence of adverse events;Stone Free rate; | — |
Countries
China
Contacts
Public ContactNg Chi Fai
The Chinese University of Hong Kong
Outcome results
None listed