A comparison of two doses of ropivacaine for ultrasound guided quadratus lumborum block in pediatric patients undergoing open inguinal hernia repair

A comparison of two doses of ropivacaine for ultrasound guided quadratus lumborum block in pediatric patients undergoing open inguinal hernia repair - Quadratus lumborum block open inguinal hernia repair

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000024931

Enrollment

Registered

2016-12-01

Start date

2016-12-01

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

Inguinal hernia

Interventions

The computer randomly assign patients to low dose quadratus lumborum block group (Group L, n=20) or moderate dose group (Group M, n=20). Patient is blinded from the administration. In Group L, the ult

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Pediatric patients undergoing open inguinal hernia repair

Exclusion criteria

Exclusion criteria: Patients who have 1. American society of Anestheologists (ASA) classification of 3 or greater 2. had analgesics 3. allergy of local anesthetics 4. anatomical abnormalities, infection or neurological abnormalities at the site of nerve block 5. disagreement with our study.

Design outcomes

Primary

Measure	Time frame
The number of anesthetised dermatomes 0.5 and 2 h after surgery	—

Secondary

Measure	Time frame
The amount of analgesics, duration of analgesia and incidence of complication until 24 hours after surgery	—

Countries

Japan

Contacts

Public ContactMakoto Sato

Asahikawa Medical University Department of Anesthesiology and Critical Care Medicine

satomako@asahikawa-med.ac.jp+81-90-6992-1409

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026