Pain medicine

Chronic pain after major breast surgery: A retrospective cohort study

Eur J AnaesthesiolPublished Retrospective cohort study

Authors' conclusion

Multiple factors are associated with chronic pain following breast surgery. While perioperative factors play a role, long-term treatment modalities also significantly influence its occurrence.

Study context

Population
Women undergoing first-time unilateral breast surgery for breast cancer, without pre-existing chronic pain, January 2020 to September 2022
Outcome
Incidence of chronic postoperative pain
Follow-up
3 and 6 months
Methodological detailssingle-centre
  • Single-centre

Main finding

As reported in the abstract

Chronic postoperative pain incidence

Chronic pain at 3 months

32%

95% CI 28.8 to 35.4%

Chronic pain at 6 months

39%

95% CI 35.9 to 42.2%

Observational data: associations, not effects.

Further findings

Factors associated with chronic pain at 3 months

OR (95% CI)P value
Sufentanil and propofol GA0.548 (0.381–0.788)P = 0.0012
Sentinel node biopsy0.520 (0.274–0.988)P = 0.0459

Predictors of persistent pain at 6 months

OR (95% CI)P value
Adjuvant radiotherapyMultivariable model, stepwise selection3.294 (1.610–6.741)P = 0.0011
Chronic pain at 3 monthsMultivariable model, stepwise selection10.706 (7.399–15.489)P < 0.0001
MastectomyAfter model construction · multivariable model, stepwise selection0.610 (0.456–0.817)P = 0.0009
AgeAfter model construction · multivariable model, stepwise selection0.983 (0.972–0.995)P = 0.0051

Early postoperative pain

PACU pain score numeric rating scale (NRS) >4
31%
PACU pain score NRS >7
3%
Mean pain score on subsequent days below one

Original publication

Chronic pain after major breast surgery: A retrospective cohort study. Eur J Anaesthesiol. Published 1 October 2025. doi:10.1097/eja.0000000000002285

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