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Associations between chronic widespread pain, pressure pain thresholds, leptin, and metabolic factors in individuals with knee pain

Andersson, Maria L.E. LU orcid ; Thorén, Emelie ; Sylwander, Charlotte and Bergman, Stefan LU (2023) In BMC Musculoskeletal Disorders 24(1).
Abstract

Objective: The aim was to study associations between chronic widespread pain, widespread pain sensitivity, leptin, and metabolic factors in individuals with knee pain. A secondary aim was to study these associations in a subgroup of individuals with normal BMI. Method: This cross-sectional study included 265 individuals. The participants were categorised into three different pain groups: Chronic widespread pain (CWP), chronic regional pain (ChRP), or no chronic pain (NCP). The pressure pain thresholds (PPTs) were assessed using computerised pressure algometry. Low PPTs were defined as having PPTs in the lowest third of all tender points. Leptin and metabolic factors such as BMI, visceral fat area (VFA), lipids, and glucose were also... (More)

Objective: The aim was to study associations between chronic widespread pain, widespread pain sensitivity, leptin, and metabolic factors in individuals with knee pain. A secondary aim was to study these associations in a subgroup of individuals with normal BMI. Method: This cross-sectional study included 265 individuals. The participants were categorised into three different pain groups: Chronic widespread pain (CWP), chronic regional pain (ChRP), or no chronic pain (NCP). The pressure pain thresholds (PPTs) were assessed using computerised pressure algometry. Low PPTs were defined as having PPTs in the lowest third of all tender points. Leptin and metabolic factors such as BMI, visceral fat area (VFA), lipids, and glucose were also assessed. Result: Sixteen per cent reported CWP, 15% had low PPTs, and 4% fulfilled both criteria. Those who fulfilled the criteria for CWP were more often women, more obese, and had increased leptin levels. In logistic regression, adjusted for age and gender, leptin was associated with fulfilling criteria for CWP, OR 1.015 (95% CI 1.004–1.027, p = 0.008). In logistic regression, adjusted for age and gender, leptin was associated with low PPTs, OR 1.016 (95% CI 1.004–1.029, p = 0.012). Leptin was also associated with fulfilling both criteria, adjusted for age, sex, and visceral fat area (VFA), OR 1.030 (95% CI 1.001–1.060), p = 0.040. Conclusion: Leptin was associated with fulfilling the combined criteria for chronic widespread pain and low PPTs, even after adjusting for the visceral fat area (VFA). Longitudinal studies are needed to study the causal relationships between leptin and the development of widespread pain. Trial registration: clinicalTrials.gov Identifier: NCT04928170.

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author
; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Chronic widespread pain, Leptin, Metabolic factors, Pressure pain thresholds
in
BMC Musculoskeletal Disorders
volume
24
issue
1
article number
639
publisher
BioMed Central (BMC)
external identifiers
  • pmid:37559026
  • scopus:85167532783
ISSN
1471-2474
DOI
10.1186/s12891-023-06773-4
language
English
LU publication?
yes
id
0d0ad3ca-3ed6-4677-b2c8-415578528c42
date added to LUP
2023-10-18 14:26:29
date last changed
2024-04-19 02:30:35
@article{0d0ad3ca-3ed6-4677-b2c8-415578528c42,
  abstract     = {{<p>Objective: The aim was to study associations between chronic widespread pain, widespread pain sensitivity, leptin, and metabolic factors in individuals with knee pain. A secondary aim was to study these associations in a subgroup of individuals with normal BMI. Method: This cross-sectional study included 265 individuals. The participants were categorised into three different pain groups: Chronic widespread pain (CWP), chronic regional pain (ChRP), or no chronic pain (NCP). The pressure pain thresholds (PPTs) were assessed using computerised pressure algometry. Low PPTs were defined as having PPTs in the lowest third of all tender points. Leptin and metabolic factors such as BMI, visceral fat area (VFA), lipids, and glucose were also assessed. Result: Sixteen per cent reported CWP, 15% had low PPTs, and 4% fulfilled both criteria. Those who fulfilled the criteria for CWP were more often women, more obese, and had increased leptin levels. In logistic regression, adjusted for age and gender, leptin was associated with fulfilling criteria for CWP, OR 1.015 (95% CI 1.004–1.027, p = 0.008). In logistic regression, adjusted for age and gender, leptin was associated with low PPTs, OR 1.016 (95% CI 1.004–1.029, p = 0.012). Leptin was also associated with fulfilling both criteria, adjusted for age, sex, and visceral fat area (VFA), OR 1.030 (95% CI 1.001–1.060), p = 0.040. Conclusion: Leptin was associated with fulfilling the combined criteria for chronic widespread pain and low PPTs, even after adjusting for the visceral fat area (VFA). Longitudinal studies are needed to study the causal relationships between leptin and the development of widespread pain. Trial registration: clinicalTrials.gov Identifier: NCT04928170.</p>}},
  author       = {{Andersson, Maria L.E. and Thorén, Emelie and Sylwander, Charlotte and Bergman, Stefan}},
  issn         = {{1471-2474}},
  keywords     = {{Chronic widespread pain; Leptin; Metabolic factors; Pressure pain thresholds}},
  language     = {{eng}},
  number       = {{1}},
  publisher    = {{BioMed Central (BMC)}},
  series       = {{BMC Musculoskeletal Disorders}},
  title        = {{Associations between chronic widespread pain, pressure pain thresholds, leptin, and metabolic factors in individuals with knee pain}},
  url          = {{http://dx.doi.org/10.1186/s12891-023-06773-4}},
  doi          = {{10.1186/s12891-023-06773-4}},
  volume       = {{24}},
  year         = {{2023}},
}