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Efficacy and Safety of Quadratus Lumborum Block and Rectus Sheath Block in Pediatric Patients: A Randomized Clinical Study and Pharmacokinetic Profile

Efficacy and Safety of Quadratus Lumborum Block and Rectus Sheath Block in Pediatric Patients: A Randomized Clinical Study and Pharmacokinetic Profile - Efficacy and Safety of Quadratus Lumborum Block and Rectus Sheath Block in Pediatric Patients: A Randomized Clinical Study and Pharmacokinetic Profile

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000038156
Enrollment
50
Registered
2019-11-01
Start date
2020-02-01
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

Appendicitis

Interventions

In all the patients, general anesthesia is induced using inhaled sevoflurane in an air-oxygen mixture, including 2mcg/kg fentanyl and 0.6 mg/kg rocuronium, followed by tracheal intubation. The nerve

Sponsors

Tokyo Metropolitan Children Medical Center
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Children between the ages of 7 and 17 years undergoing laparoscopic appendectomy with American Society of Anesthesiologists (ASA) physical status of 1 or 2 are enrolled. The child's parent or legal guardian is provided oral and written informed consent. Assent to participate in the study is also given by children.

Exclusion criteria

Exclusion criteria: American Society of Anesthesiologists (ASA) physical status of 3 or higher Allergy of local anesthetics Anatomical abnormalities at the site of the nerve block History of abdominal surgery Preoperative analgesic administration Neurological abnormalities at the site of the nerve block Severe heart and/or renal failure (EF<40, Cre>1.0) Coagulopathy Additional procedures planned via a separate incision at the time of the laparoscopic appendectomy Contraindications for any of the medications described in the protocol

Design outcomes

Primary

MeasureTime frame
The maximum NRS score in 3 hours postoperatively

Secondary

MeasureTime frame
The need for rescue analgesia, Face Scale, NRS score, the number of anesthetised dermatomes, and complications related to the use of local anesthetic in 48 hours postoperatively The pharmacokinetic profile of levobupivacaine after nerve block for 2 hours

Countries

Japan

Contacts

Public ContactMakoto Sato

Tokyo Metropolitan Children Medical Center Department of Anesthesiology

satomako1001@gmail.com0423005111

Outcome results

None listed

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