Criteria for continuous neuraxial analgesia associated with reduced mortality in patients undergoing thoracotomy.

Both thoracic epidural analgesia and thoracic paravertebral analgesia are effective techniques to control pain and minimize the stress response following thoracic surgery. We hypothesized that continuous neuraxial techniques may be associated with a decrease in the incidence of postoperative mortality after thoracotomy. Additionally, we aimed to identify subgroup populations that may benefit more from neuraxial anesthesia. 1620 patients who underwent open thoracotomy were included in this retrospective study from the German Thoracic Registry database at four university hospitals. All-cause inpatient mortality was determined for patients who had and did not have neuraxial anesthesia. Logistic regression was used to adjust for and explore various covariates. Continuous neuraxial analgesia was associated with a lower overall mortality in the postoperative period (2.9%, 23/796 vs 5.3%, 44/824, p=0.02) only after the univariate analysis but not the multivariable analysis (OR 0.49, 95 % CI 0.237 to 1.12, p=0.15). In patients with epidural or paravertebral catheters, mortality was significantly lower in the following subgroups: age >75 (5/113 vs 18/77, OR 0.1, 95% CI 0.02 to 0.67, p=0.02), American Society of Anesthesiologists Performance Score >III (11//97 vs 33/155, OR 0.32, 95% CI 0.11 to 0.89, p=0.03), chronic kidney disease (5/83 vs 16/77, OR 0.16, 95% CI 0.03 to 0.82, p=0.03), and postoperative sepsis (9/21 vs 17/25, OR 0.13, 95% CI 0.07 to 0.44, p<0.01). Neuraxial analgesic techniques are associated with reductions in postoperative mortality after open thoracic surgery in selected patients.

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© American Society of Regional Anesthesia & Pain Medicine 2024. No commercial re-use. See rights and permissions. Published by BMJ.

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Competing interests: None declared.