Evaluation of different concentration of ropivacaine used in ultrasound-guided posterior quadratus lumborum block for perioperative analgesia in pediatrics laparoscopic surgery: a randomized controlled trial.

Evaluation of different concentration of ropivacaine used in ultrasound-guided posterior quadratus lumborum block for perioperative analgesia in pediatrics laparoscopic surgery.

Status

Active, not recruiting

Phases

Phase 4

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2000034830

Enrollment

Unknown

Registered

2020-07-21

Start date

2020-08-01

Completion date

Unknown

Last updated

2020-07-27

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

Conditions

Inguinal hernia / hydrocele

Interventions

C15 group:0.15% ropivacaine

C20 group:0.2% ropivacaine

C25 group:0.25% ropivacaine

Eligibility

Sex/Gender

All

Age

3 Years to 6 Years

Inclusion criteria

Inclusion criteria: 1. Children who underwent laparoscopic high ligation of hernia sac / sheath process; 2. Children aged 3-6 years, weighing 13-24 kg; 3. ASA grade I or II.

Exclusion criteria

Exclusion criteria: 1. Patients with history of congenital heart disease, kidney disease and coagulation dysfunction; 2. Patients allergic to local anesthetics or ibuprofen, 3. Peripheral nervous system disease, skin infection at puncture site.

Design outcomes

Primary

Measure	Time frame
The time of first use of remedy analgesic drugs after operation;	—

Secondary

Measure	Time frame
Postoperative FLACC score;Postoperative FACES score;Number of postoperative users of remedial analgesics;Parental satisfaction;Incidence of adverse reactions;Postoperative PAED score;	—

Countries

China

Contacts

Public ContactYisa Shi

Lanzhou University Second Hospital

shiys@lzu.edu.cn+86 13619334024

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026