Pain medicine

Preoperative psychological symptoms and chronic postsurgical pain: analysis of the prospective China Surgery and Anaesthesia Cohort study

Br J AnaesthPublished Prospective cohort study

Authors' conclusion

The presence of preoperative psychological symptoms might individually or jointly increase the risk of chronic postsurgical pain or experiencing deterioration in pain trajectory.

Study context

Population
Surgery patients aged 40–65 yr from two medical centres, China Surgery and Anaesthesia Cohort, July 2020–March 20231,302 with chronic postsurgical pain (CPSP)
Participants
8,350 patients
Exposure
Preoperative psychological symptoms vs minor symptom pattern
Outcome
Chronic postsurgical pain (CPSP)
Methodological detailsmulticentre, k-means clustering analysis, mediation analysis
  • Multicentre
  • K-means clustering analysis
  • Mediation analysis

Main finding

As reported in the abstract

CPSP
Each group vs minor symptomOdds ratio (95% CI)
Sleep disturbances
1.46(1.25–1.70)
Multiple psychological symptoms
1.84(1.48–2.28)

Observational data: associations, not effects.

Further findings

CPSP, anxiety (individual symptom)

OR (95% CI)
AnxietyMost pronounced individual symptom1.52 (1.23–1.86)
OutcomeOR (95% CI)
Increasing pain trajectory within 3 monthsSleep disturbances vs Minor symptom1.58 (1.20–2.08)
Increasing pain trajectory within 3 monthsMultiple psychological symptoms vs Minor symptom4.34 (3.20–5.88)

Mediation analyses

Acute/subacute postsurgical pain and psychological symptoms 1 month after surgery were notable mediators of the associations

Original publication

Preoperative psychological symptoms and chronic postsurgical pain: analysis of the prospective China Surgery and Anaesthesia Cohort study. Br J Anaesth. Published 11 November 2023. doi:10.1016/j.bja.2023.10.015

Composed by AI from the published abstract and checked against it. How Briefs are made →

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