AI Article Synopsis
- Oesophageal cancer surgery can be risky, especially for breathing problems after surgery, which is called postoperative pulmonary complications (PPCs).
- This study looks at whether a pain relief method called thoracic epidural analgesia (TEA) is better than regular painkillers (like opioids) for patients after surgery.
- The results show that TEA helps lower pain levels and the chances of breathing problems after surgery compared to using opioids.
Article Abstract
Background: Oesophageal cancer surgery represents a high perioperative risk of complications to patients, such as postoperative pulmonary complications (PPCs). Postoperative analgesia may influence these risks, but the most favourable analgesic technique is debated. This review aims to provide an updated evaluation of whether thoracic epidural analgesia (TEA) has benefits compared to other analgesic techniques in patients undergoing oesophagectomy surgery. Our hypothesis is that TEA reduces pain scores and PPCs compared to intravenous opioid analgesia in patients post-oesophagectomy.
Methods: Electronic databases PubMed, Excerpta Medica Database (EMBASE) and Cochrane Central Register of Controlled Trials (CENTRAL) were searched for randomised trials of analgesic interventions in patients undergoing oesophagectomy surgery. Only trials including thoracic epidural analgesia compared with other analgesic techniques were included. The primary outcome was a composite of respiratory infection, atelectasis and respiratory failure (PPCs), with pain scores at rest and on movement as secondary outcomes. Data was pooled using random effect models and reported as relative risks (RR) or mean differences (MD) with 95% confidence intervals (CIs).
Results: Data from a total of 741 patients in 10 randomised controlled trials (RCTs) from 1993 to 2023 were included. Nine trials were open surgery, and one trial was laparoscopic. Relative to intravenous opioids, TEA significantly reduced a composite of PPCs (risk ratio (RR) 3.88; 95% confidence interval (CI) 1.98-7.61; n = 222; 3 RCTs) and pain scores (0-100-mm visual analogue scale or VAS) at rest at 24 h (MD 9.02; 95% CI 5.88-12.17; n = 685; 10 RCTs) and 48 h (MD 8.64; 95% CI 5.91-11.37; n = 685; 10 RCTs) and pain scores on movement at 24 h (MD 14.96; 95% CI 5.46-24.46; n = 275; 4 RCTs) and 48 h (MD 16.60; 95% CI 8.72-24.47; n = 275; 4 RCTs).
Conclusions: Recent trials of analgesic technique in oesophagectomy surgery are restricted by small sample size and variation of outcome measurement. Despite these limitations, current evidence indicates that thoracic epidural analgesia reduces the risk of PPCs and severe pain, compared to intravenous opioids in patients following oesophageal cancer surgery. Future research should include minimally invasive surgery, non-epidural regional techniques and record morbidity, using core outcome measures with standardised endpoints.
Trial Registration: Prospectively registered on PROSPERO (CRD42023484720).
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|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11267804 | PMC |
| http://dx.doi.org/10.1186/s13741-024-00437-0 | DOI Listing |
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