The analgesic Effect of cryotherapy for Patients undergoing ESWL: A Randomized Controlled Trial

objective: To examine the effectiveness of cryotherapy for reducing pain in patients who underwent extracorporeal shock wave lithotripsy(ESWL) for renal stone treatment.

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

TCTR

Registry ID

TCTR20201226002

Enrollment

162

Registered

2020-12-26

Start date

2020-10-08

Completion date

Unknown

Last updated

2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

renal or ureteric stone patients who have an indication for EWSL treatment. Focus on the intensity of pain they will be felt on an 11 points visual analog scale (VAS) and the total additional analges Cryotherapy&#44

Interventions

Premedication with 1000 mg paracetamol and 5 mg diazepam orally 30 minutes before ESWL. Apply cold gel pack at ESWL skin site 10 minutes before start ESWL. Initial intraveonous phentanyl 1 mcg/kg and

Experimental Procedure/Surgery,No Intervention Procedure/Surgery

group I cryotherapy,group II control

Eligibility

Sex/Gender

All

Age

18 Years to 80 Years

Inclusion criteria

Inclusion criteria: -renal or ureteral stone patients in Buri Ram hospital with indication for ESWL. -age between 18 and 80 years.

Exclusion criteria

Exclusion criteria: - unable to give informed consent. - severe cognitive deficit or psychiatric disorder. - neurologic disorder.

Design outcomes

Primary

Measure	Time frame
maximum pain score during ESWL 0, 15, 30 , and 45 min after ESWL different visual analogue score from base line	—

Secondary

Measure	Time frame
heart rate 0, 15, 30 , and 45 min after ESWL real time heart rate measurement from ECG monitoring,additional fentanyl after ESWL 0, 15, 30 , and 45 min after ESWL dose of additional fentanyl	—

Countries

Thailand

Contacts

Public ContactChaowat Pimratana

Ministry of Public Health

pchaowat@gmail.com0818733723

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026