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The Quadratus Lumborum Block in Pediatric Gastrointestinal Surgery: Protocol for a Scoping Review
Sara Marija Abu-Bakr Christensen1,2, Birgitte Brandstrup2,3, Ann M Møller1,2
1Department of Anaesthesiology, Herlev and Gentofte Hospital, Herlev, Denmark.
Insights
This review maps the evidence on the quadratus lumborum block (QLB) for pediatric gastrointestinal surgery pain. It identifies key insights and gaps to guide future research in this regional anesthesia technique.
Area of Science:
- Pediatric Anesthesiology
- Regional Anesthesia
- Surgical Pain Management
Background:
- Effective pain management is critical post-pediatric gastrointestinal surgery.
- Opioid-related adverse effects drive interest in multimodal analgesia.
- Regional anesthesia, including the quadratus lumborum block (QLB), is key to reducing opioid use.
Purpose of the Study:
- To conduct a scoping review of the current literature on quadratus lumborum block (QLB) application in pediatric gastrointestinal surgery.
- To map existing evidence and identify gaps in the clinical use of QLB for pediatric analgesia.
- To inform future research directions for QLB in this specific surgical population.
Main Methods:
- Adherence to Preferred Reporting Items for Systematic Reviews and Meta-Analyses extension for Scoping Reviews (PRISMA-ScR) guidelines.
- Systematic literature search across major databases, reference lists, and citations.
- Inclusion of original studies of any design evaluating QLB in pediatric gastrointestinal surgery, with data charting on study characteristics, demographics, QLB technique, surgical variables, and outcomes.
Main Results:
- Findings will be presented via narrative summary.
- Descriptive analysis of quantitative data will supplement the narrative where appropriate.
- The review will synthesize data on QLB application, techniques, and outcomes in pediatric gastrointestinal surgery.
Conclusions:
- This scoping review offers a comprehensive overview of the evidence base for QLB in pediatric gastrointestinal surgery.
- It highlights current insights and critical evidence gaps.
- The findings aim to stimulate further research and refine clinical practice regarding QLB for pediatric surgical pain.
Background:
Effective pain management is crucial in pediatric gastrointestinal surgeries due to the significant postoperative pain response. The adverse effects of opioids have prompted a shift toward other often multimodal approaches. Regional anesthesia plays an important role in reducing opioid use. The quadratus lumborum block (QLB), first introduced in 2007, has gained increasing interest for its potential in pediatric analgesia. It now includes four distinct approaches based on the site of injection. As evidence on QLB continues to expand, a scoping review is warranted to map the current literature and identify gaps in its clinical application within pediatric gastrointestinal surgery.
Methods:
The planned review will be conducted in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses extension for Scoping Reviews (PRISMA-ScR) guidelines. A systematic search will be performed across major peer-reviewed databases, with additional examination of reference lists and citations. Original studies of any design examining the application of the QLB in pediatric gastrointestinal surgeries will be included. Data charting will contain study characteristics, participant demographics, details of the QLB technique, surgical variables, and reported outcomes.
Results:
The findings from the included studies will be reported through a narrative summary, supported by descriptive analysis of quantitative data if suitable.
Conclusion:
This scoping review will provide an overview of the current evidence on the use of QLB in pediatric gastrointestinal surgeries, identifying key insights and evidence gaps to inspire future research areas.
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