Effect Posterior QLB on Atelectasis

The Effect of Ultrasound-guided Posterior Quadratus Lumborum Block on Atelectasis in Pediatric Patients

Status

UNKNOWN

Phases

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT04830280

Enrollment

Registered

2021-04-05

Start date

2021-03-01

Completion date

2021-09-30

Last updated

2021-06-02

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

Conditions

Atelectasis, Block, Pediatrics, Quadratus Lumborum Block

Keywords

postoperative atelectasis, ultrasound, lung ultrasound score, posterior QLB

Brief summary

We aimed to investigate the effect of posterior quadratus lumborum block on postoperative atelectasis in inguinal hernia surgery in pediatric patients.

Interventions

PROCEDUREposterior quadratus lumborum block

administration local anesthetic solution between the middle layer of the thoracolumbar fascia and QL muscle at the posterior edge of the quadratus lumborum muscle

Study design

Allocation

RANDOMIZED

Intervention model

PARALLEL

Primary purpose

PREVENTION

Masking

SINGLE (Subject)

Eligibility

Sex/Gender

ALL

Age

0 Years to 2 Years

Healthy volunteers

Yes

Inclusion criteria

* under 2 years old, * ASA I-II risk group * Patients who underwent an inguinal hernia operation under general anesthesia, posterior quadratus lumborum block for postoperative analgesia or pain treatment with conventional method * Patients whose informed consent was read and approval was obtained from him and his guardian

Exclusion criteria

* who do not want to participate in the study, * ASA III-IV-V patients

Design outcomes

Primary

Measure	Time frame	Description
lung ultrasound score	up to 1 hour after surgery	atelectasis

Secondary

Measure	Time frame	Description
pain scores	up to 6 hour after surgery	Flacc scores

Countries

Turkey (Türkiye)

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Mar 12, 2026