Table. Findings of the Cochrane analysis concerning CPSP after non-orthopedic surgery*1.
| Surgical procedure | Regional anesthetic technique | Studies (n) |
Prevention of CPSP OR [95% CI] |
| Thoracotomy*2 | Epidural anesthesia, wound infiltration, intercostal block |
7 | 0.52 [0.32; 0.84] |
| Breast cancer surgery*3 | Paravertebral block | 6 | 0.61 [0.39; 0.97] |
| Intravenous lidocaine*2 | 2 | 0.24 [0.08; 0.69] | |
| Local infiltration | 6 | 0.29 [0.12; 0.73] | |
| Cesarean section*2 | RA (various techniques)*4 | 4 | 0.46 [0.28; 0.78] |
| Iliac crest bone harvesting*2 | Local anesthesia | 3 | 0.20 [0.04; 1.09] |
*1 Weinstein et al. (9), *2 medium-quality evidence, *3 low-quality evidence, *4 in addition to spinal anesthesia
CPSP, chronic post-surgical pain; CI, confidence interval; n, number of included studies; OR, odds ratio; RA, regional analgesia