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Making Sense of "Somatization": A Systematic Review of its Relationship to Pediatric Pain
Katelynn E Boerner1,2, Katherine Green2,3, Andrea Chapman1,2
1Department of Psychiatry, University of British Columbia.
Insights
Pediatric pain and somatization frequently co-occur, but definitions and measurement discrepancies complicate understanding. Further research is needed for a clear definition of somatization in children.
Area of Science:
- Pediatric Psychology
- Childhood Health
- Clinical Research
Background:
- Pain and physical symptoms are common in childhood.
- The role of somatization in pediatric pain is debated.
- Existing literature on pediatric pain and somatization requires synthesis.
Purpose of the Study:
- To critically appraise and synthesize literature on the relationship between pediatric pain and somatization.
- To understand the co-occurrence of pain and somatization in children and adolescents.
- To identify gaps in the definition and measurement of somatization in pediatric research.
Main Methods:
- Systematic review of Medline, PsycINFO, EMBASE, and CINAHL.
- Searched for terms related to pain and somatization in children and adolescents.
- Extracted data on somatization definitions, measurements, and the pain-somatization relationship from 156 eligible articles.
Main Results:
- Many studies described somatization with a psychological component, but measurement tools varied.
- Pain is a common symptom in patients diagnosed with Somatic Symptom and Related Disorders (SSRDs).
- Rates of SSRD diagnoses in pain patients were lower than rates of pain in SSRD patients.
Conclusions:
- Somatic Symptom and Related Disorders and pain frequently co-occur in pediatric populations.
- Discrepancies in defining and measuring somatization hinder a clear understanding of its relationship with pain.
- A standardized, measurable definition of somatization is crucial for future pediatric research.
Objectives:
Pain and other physical symptoms commonly co-occur in childhood. There is debate about the relevance of somatization in understanding pain. The present review critically appraised and synthesized the extant literature on the relationship between pediatric pain and somatization.
Methods:
A systematic review (PROSPERO registration #95956) was conducted in Medline, PsycINFO, EMBASE, and CINAHL using search terms related to pain and somatization in children and adolescents. A total of 156 articles were eligible for inclusion in the review. For studies that measured somatization using a symptom questionnaire, descriptions of "somatization" were extracted. Data regarding the relationship between pain and somatization were extracted for studies measuring somatization using a diagnostic category (e.g., Somatic Symptom and Related Disorders [SSRDs]).
Results:
While many studies using somatic symptom questionnaires described somatization as having a psychological component, this was not always captured in measurement tools. Pain was reported as a common symptom in patients with an SSRD diagnosis, though rates varied depending on the specific diagnosis and pain location. Rates of SSRD diagnoses among pain patients were less frequent than rates of pain amongst SSRD patients.
Conclusions:
SSRDs and pain commonly co-occur, though rates differ depending on diagnosis and pain location. Understanding the relationship between pain and somatization is complicated by the discrepancy between how somatization is defined and measured in questionnaire studies. A comprehensive and measurable definition of somatization is needed so researchers can better identify the shared and unique contributions of pain and somatization in pediatric populations.
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