Renal stone
Conditions
Interventions
Two groups:Extracorporeal Shock Wave Lithotripsy
Duration of intervention:45 minutes (2Hz) vs 1 Patients will receive increasing power of SWs from 25% to 80% within 20 shocks. This is the standard SWL treatment protocol in our centre. 2 Patients wil
(to be continued):4 Patients will receive 500 shocks at 40% power, followed by a 3-minute pause and then further SWs at 80% power until the end of whole treatment. 5 Patients will receive 500 shocks a
Sponsors
The Chinese University of Hong Kong
Eligibility
Sex/Gender
Male
Age
18 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1. Adult patient (aged >=18 years old); 2. Solitary radio-opaque renal stones of total size 5-20mm in maximal diameter as measured from plain radiography; 3. Clinically decided for 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.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The difference of the degree of renal injury related to SWL as measured by a panel of urine markers.; | — |
Secondary
| Measure | Time frame |
|---|---|
| Patient tolerance to various protocols by assessment of analgesic demand and pain score during treatment; | — |
Countries
China
Contacts
Public ContactLo Kin Yin Anthony
Outcome results
None listed