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Current methodological approaches in conditioned pain modulation assessment in pediatrics
Philippe S Hwang1, My-Linh Ma1,2,3, Nora Spiegelberg1
1Shriners Hospital for Children - Canada.
Insights
Conditioned pain modulation (CPM) research in children is limited but suggests pathway deficiencies may contribute to chronic pain. This review overviews current pediatric CPM studies for researchers and clinicians.
Area of Science:
- Neuroscience
- Pediatric Pain Research
Background:
- Conditioned pain modulation (CPM) is used to study pain processing in adults.
- Limited research exists on CPM in pediatric populations.
- Deficiencies in descending pain pathways may link to early-life chronic pain.
Purpose of the Study:
- To review existing CPM studies in pediatric populations.
- To provide an overview for clinicians and researchers on pediatric CPM.
- To discuss implications for individualizing pediatric pain treatment.
Main Methods:
- PubMed search for studies solely on pediatric populations.
- Review of 12 identified studies.
- Analysis of demographics, methodologies, and conclusions.
Main Results:
- Identified 12 studies focusing exclusively on pediatric CPM.
- Examined variations in study populations, methods, and outcomes.
- Highlighted the need for more research in this area.
Conclusions:
- CPM research in children is emerging but limited.
- Understanding pediatric CPM is crucial for pain management.
- CPM may help tailor treatments for pediatric pain syndromes.
Abstract:
Conditioned pain modulation (CPM) paradigms have been used in various studies with healthy and non-healthy adult populations in an attempt to elucidate the mechanisms of pain processing. However, only a few studies so far have applied CPM in pediatric populations. Studies finding associations with chronic pain conditions suggest that deficiencies in underlying descending pain pathways may play an important role in the development and persistence of pain early in life. Twelve studies were identified using a PubMed search which examine solely pediatric populations, and these are reviewed with regard to demographics studied, methodological approaches, and conclusions reached. This review aimed to provide both clinicians and researchers with a brief overview of the current state of research regarding the use of CPM in children and adolescents, both healthy and clinical patients. The implications of CPM in experimental and clinical settings and its potential to aid in refining considerations to individualize treatment of pediatric pain syndromes will be discussed.
