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The association of child maltreatment and systemic inflammation in adulthood: A systematic review

View ORCID ProfileDaniel M Kerr, James McDonald, Helen Minnis
doi: https://doi.org/10.1101/2020.11.30.403659
Daniel M Kerr
1Institute of Health and Wellbeing, University of Glasgow, Glasgow, United Kingdom
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  • For correspondence: Daniel.Kerr@glasgow.ac.uk
James McDonald
2NHS Greater Glasgow and Clyde, Glasgow, United Kingdom
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Helen Minnis
1Institute of Health and Wellbeing, University of Glasgow, Glasgow, United Kingdom
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Abstract

Introduction Child maltreatment (CM) is associated with mental and physical health disorders in adulthood. Some studies have identified elevated markers of systemic inflammation in adult survivors of CM, and inflammation may mediate the association between CM with later health problems. However, there are methodological inconsistencies in studies of the association between CM and systemic inflammation and findings are conflicting. We performed a systemic review to examine the association of CM with systemic inflammation in adults.

Methods A systematic review was performed following PRISMA . Medline, Embase, Scopus and PsychInfo were searched for studies of the association of CM with blood markers of inflammation in adults. Quality was assessed using the Crowe Critical Appraisal Tool. We had intended to perform a meta-analysis but this was not possible due to variation in study design and reporting.

Results Forty-six articles met criteria for inclusion in the review. The most widely reported biomarkers were C-Reactive Protein (CRP) (n=29), interleukin-6 (n=25) and Tumour Necrosis Factor-alpha (TNF-a). Four studies were prospective (all relating to CRP) and the remainder were retrospective. 85% of studies were based in Western settings. In the prospective studies, CM was associated with elevated CRP in adulthood. Results of retrospective studies were conflicting. Methodological issues relating to the construct of CM, methods of analysis, and accounting for confounding or mediating variables (particularly Body Mass Index) may contribute to the uncertainty in the field.

Conclusions There is some robust evidence from prospective studies that CM is associated with elevated CRP in adulthood. We have identified significant methodological issues in the literature and have proposed measures that future researchers could employ to improve consistency across studies. Further prospective, longitudinal, research using robust and comparable measures of CM with careful consideration of confounding and mediating variables are required to bring clarity to this field.

Copyright 
The copyright holder for this preprint is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under a CC-BY 4.0 International license.
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Posted November 30, 2020.
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The association of child maltreatment and systemic inflammation in adulthood: A systematic review
Daniel M Kerr, James McDonald, Helen Minnis
bioRxiv 2020.11.30.403659; doi: https://doi.org/10.1101/2020.11.30.403659
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The association of child maltreatment and systemic inflammation in adulthood: A systematic review
Daniel M Kerr, James McDonald, Helen Minnis
bioRxiv 2020.11.30.403659; doi: https://doi.org/10.1101/2020.11.30.403659

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