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BackgroundWe compared the effects of thoracic epidural analgesia (TEA) to conventional patient‐controlled analgesia (PCA) on several postoperative parameters of recovery after elective video‐assisted thoracoscopic (VATS) lobectomy.MethodsNinety‐eight patients undergoing elective VATS lobectomy were enrolled. The primary endpoint was pain score. Recovery of bowel function, length of stay in the postanesthesia care unit (PACU), duration of postoperative hospital stay, and complications were assessed. Continuous variables were expressed and compared between groups using either a two‐tailed Student's t or Mann‐Whitney U test. Recovery of bowel function was compared using the log‐rank test.ResultsBaseline characteristics between the groups were similar. Dynamic pain scores on postoperative days (PODs) 0–2 were significantly lower in the TEA group, as were resting pain scores on PODs 1 and 2 (P < 0.05). The mean duration to first flatus (16 ± 0.7 vs. 26 ± 0.7 hours; P < 0.001) and the mean length of stay in the PACU (34 vs. 67 minutes; P = 0.027) were shorter in the TEA compared to the PCA group, respectively. The only difference in postoperative complications was regarding confusion (5 TEA vs. 18 PCA patients; P = 0.002). No difference in overall length of stay was noted.ConclusionsCompared to PCA, TEA provided better postoperative pain control after VATS lobectomy and facilitated postoperative recovery of bowel function without increasing the length of hospital stay. This beneficial effect of TEA might be attributed to the attenuation of sympathetic hyperactivation, improved analgesia, and reduced opioid use.

Background: Local anesthesia can reduce the response to surgical stress and decrease the consumption of opioids, which may reduce immunosuppression and potentially delay postoperative tumor recurrence. We compared paravertebral block (PVB) combined with general anesthesia (GA) and general anesthesia regarding their effects on postoperative pain and matrix metalloproteinase-9 (MMP-9) after video-assisted thoracoscopic surgery (VATS) lobectomy. Methods: 54 patients undergoing elective VATS lobectomy at a single tertiary care, teaching hospital located in Qingdao between May 2, 2018 and Sep 28, 2018 were randomised by computer to either paravertebral block combined with general anesthesia or general anesthesia. The primary outcomes were pain scores at rest and on cough at 1, 4, 24, and 48 h after surgery. The secondary outcome were plasma concentrations of MMP-9, complications, and length of postoperative hospital stay. Results: 75 were enrolled to the study, of whom 21 were excluded before surgery. We analyzed lobectomy patients undergoing paravertebral block combined with general anesthesia (n = 25) or general anesthesia (n = 24). Both groups were similar regarding baseline characteristics. Pain scores at rest at 4 h and 24 h, on cough at 4 h were lower in PVB/GA group, compared with GA group (P < 0.05). There were no difference in pain scores at rest at 1 h, 48 h and on cough at 1 h, 24 h, and 48 h between groups. Patients in the PVB/GA group showed a greater decrease in plasma MMP-9 level at T1 and T2 after VATS lobectomy (P < 0.05). Postoperative complications and length of stay did not differ by anesthetic technique. Conclusions: The paravertebral block/general anesthesia can provide statistically better pain relief and attenuate MMP-9 response to surgery and after VATS lobectomy. This technique may be beneficial for patients to recover rapidly after lung surgery and reduce postoperative tumor recurrence.

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