Dataset Information

Quantifying the association between psychological distress and low back pain in urban Europe: a secondary analysis of a large cross-sectional study.

ABSTRACT:

Objectives

This study aims to estimate the prevalence of low back pain (LBP) in Europe and to quantify its associated mental and physical health burdens among adults in European urban areas.

Design

This research is a secondary analysis of data from a large multicountry population survey.

Setting

The population survey on which this analysis is based was conducted in 32 European urban areas across 11 countries.

Participants

The dataset for this study was collected during the European Urban Health Indicators System 2 survey. There were a total of 19 441 adult respondents but data from 18 028, 50.2% female (9 050) and 49.8% male (8 978), were included in these analyses.

Primary and secondary outcome measures

Being a survey, data on the exposure (LBP) and outcomes were collected simultaneously. The primary outcomes for this study are psychological distress and poor physical health.

Results

The overall European prevalence of LBP was 44.6% (43.9-45.3) widely ranging from 33.4% in Norway to 67.7% in Lithuania. After accounting for sex, age, socioeconomic status and formal education, adults in urban Europe suffering LBP had higher odds of psychological distress aOR 1.44 (1.32-1.58) and poor self-rated health aOR 3.54 (3.31-3.80). These associations varied widely between participating countries and cities.

Conclusion

Prevalence of LBP, and its associations with poor physical and mental health, varies across European urban areas.

SUBMITTER: Ugwu CI

PROVIDER: S-EPMC9936285 | biostudies-literature | 2023 Feb

REPOSITORIES: biostudies-literature

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Publications

Quantifying the association between psychological distress and low back pain in urban Europe: a secondary analysis of a large cross-sectional study.

Ugwu Chukwuebuka Immanuel CI Pope Daniel D

BMJ open 20230216 2

<h4>Objectives</h4>This study aims to estimate the prevalence of low back pain (LBP) in Europe and to quantify its associated mental and physical health burdens among adults in European urban areas.<h4>Design</h4>This research is a secondary analysis of data from a large multicountry population survey.<h4>Setting</h4>The population survey on which this analysis is based was conducted in 32 European urban areas across 11 countries.<h4>Participants</h4>The dataset for this study was collected duri ...[more]

PMID: 36797024

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Project description:Background: Intervertebral disc (IVD) degeneration is a major cause of low back pain (LBP) in humans and canines. IVD degeneration affects the structure and function of both the disc and the innervating dorsal root ganglion (DRG) neurons. Pre-clinical animal models are necessary for elucidating the mechanisms of IVD degeneration (IVDD) and the pain signaling pathways involved in discogenic back pain. The chondrodystrophic (CD) dog exhibits similar characteristics to the clinical population affected by IVDD-associated LBP. However, further investigation of the translational tools to study these conditions and the efficacy of novel treatments is needed in this canine model. The objectives of the present study are to: (1) assess the changes in the structure and function of the IVD and DRG, including pain behaviors, in response to injury using a comprehensive set of outcome measures and (2) evaluate the efficacy of potential therapeutics in mitigating these pathologic changes due to injury in the CD canine model. Methods: Retired female research beagles underwent spinal surgery where T11/T12, T12/T13, and T13/L1 IVDs were identified and punctured with a needle containing either a protease-activated receptor 2 antagonist (PAR2A) and cromolyn sodium (CS) solution (N=3) or phosphate-buffered saline (PBS) (N=3). Pain phenotyping and related outcomes were assessed longitudinally or at the 12-week endpoint via RNA-seq on the DRG, von Frey analysis, FitBark activity, and C-reactive protein (CRP) plasma levels. Changes in the structure/function of the IVD were assessed via MRI, mechanics, Dimethylmethylene Blue Assay (DMMB), histological staining using Picrosirius red/ Alcian Blue (PR/AB) and fluoroscopy, and electrophysiology on the DRG neurons. Results: We evaluated a comprehensive series of outcome measures to determine the effects of IVD injury on the structure/function of the canine IVD and DRG, and pain in the in vivo CD dog model of IVDD and back pain. Specifically, we established methods to obtain high-quality messenger RNA from canine DRGs to perform bulk RNA-seq. We demonstrated that injury to the disc resulted in significant upregulation of inflammatory and pain-signaling genes, and downregulation of developmental genes in the adjacent innervating DRG neurons. Additionally, we isolated and cultured viable neurons from canine DRGs and found through whole-cell patch-clamp that that DRGs innervating the injured disc demonstrated altered voltage-gated sodium channel (VGSCs) activity compared to controls. Using T2 weighted MRI, we demonstrated that relaxation time in punctured discs was reduced in four out of the six dogs compared to internal control discs, indicating potential compositional changes in these injured IVDs. No significant effect of PAR2A and CS treatment was observed in this small cohort.Conclusion: This study evaluated a rigorous series of outcome measures to determine the effects of IVD injury on the disc joint and pain in a CD canine in vivo model of back pain. This was the first study to investigate the effects of disc injury on canine DRG transcriptome and whole-cell patch clamping on canine DRG neurons. Results support the CD dog as a clinically relevant translational model for studying IVDD and LBP, and for evaluating the potential efficacy of novel therapeutics in mitigating the changes associated with these conditions.

Dataset Information

Quantifying the association between psychological distress and low back pain in urban Europe: a secondary analysis of a large cross-sectional study.

Objectives

Design

Setting

Participants

Primary and secondary outcome measures

Results

Conclusion

Publications

Quantifying the association between psychological distress and low back pain in urban Europe: a secondary analysis of a large cross-sectional study.

Similar Datasets

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