Renal stone
Conditions
Interventions
Two groups:Extracoroperal shock wave lithotripsy 30minutes(2Hz) / 60minutes(1Hz) Shockwave delivery rate at 1Hz/ 2Hz
Sponsors
The Chinese University of Hong Kong
Eligibility
Sex/Gender
All
Age
18 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1. Adult patient (aged >=18 years old); 2. The targeted stone / stone fragments is remained in the same position; 3. Clinically decided for repeated SWL for the residual stone.
Exclusion criteria
Exclusion criteria: 1. Patients with ureteric stent or nephrostomy tube inserted; 2. Patient with history of allergy or any abnormal reaction alfentanil.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Stone free or presence of clincially insignificant residual fragments (less than 4 mm), at 12 weeks after the second session of lithotripsy.; | — |
Secondary
| Measure | Time frame |
|---|---|
| 1. Change in urine level of NAG, NGAL and IL-18 at pre-treatment and at Day-2, Day-7, 4-weeks after the second session of lithotripsy treatment. 2. Maximum pain score During lithotripsy treatment 3. Dosage of analgesia used during SWL At the end of treatment 4. Patients' preference to the shockwave delivery rate At the end of treatment; | — |
Countries
China
Contacts
Public ContactLo Kin Yin Anthony
Outcome results
None listed