Cardiothoracic & vascular anesthesia
Prevalence and Risk Factors for Chronic Postsurgical Pain after Cardiac Surgery: A Single-center Prospective Cohort Study
Authors' conclusion
Nearly one in three patients undergoing cardiac surgery reported pain at 3 months of follow-up, with approximately 15% reporting persistent pain at 1 yr. Female sex, pre-existing chronic pain, and baseline depression were associated with postsurgical pain scores across all three time periods.
Study context
- Population
- Patients undergoing cardiac surgery at the Toronto General Hospital, 2012–2020767 completed ≥1 follow-up
- Participants
- 1,059 patients
- Outcome
- Chronic postsurgical pain (more than 0 out of 10)
- Follow-up
- 3, 6, and 12 months
Methodological detailssingle-centre
- Single-centre
Main finding
As reported in the abstract
Incidence of postsurgical pain (>0/10)
3 months: 191 of 663
29%
6 months: 118 of 625
19%
12 months: 89 of 605
15%
Observational data: associations, not effects.
Further findings
Neuropathic phenotype among patients reporting any pain
- 3 months: 56 of 166
- 34%
- 6 months: 38 of 97
- 39%
- 12 months: 43 of 67
- 64%
Factors associated with postsurgical pain scores at 3 months
- Female sex, pre-existing chronic pain, previous cardiac surgery, preoperative depression, baseline pain catastrophizing scores, and moderate-to-severe acute pain (≥4/10) within 5 postoperative days
Original publication
Prevalence and Risk Factors for Chronic Postsurgical Pain after Cardiac Surgery: A Single-center Prospective Cohort Study. Anesthesiology. Published 16 May 2023. doi:10.
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