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The Analgesic Effects of Thoracic Paravertebral Block versus Thoracic Epidural Anesthesia After Thoracoscopic Surgery: A Meta-Analysis
Authors Liang XL, An R, Chen Q, Liu HL
Received 29 December 2020
Accepted for publication 9 March 2021
Published 26 March 2021 Volume 2021:14 Pages 815—825
DOI https://doi.org/10.2147/JPR.S299595
Checked for plagiarism Yes
Review by Single anonymous peer review
Peer reviewer comments 5
Editor who approved publication: Dr Jinlei Li
Xiao-Long Liang, Ran An, Qi Chen, Hong-Liang Liu
Chongqing University Cancer Hospital, School of Medicine, Chongqing University, Chongqing, 400030, People’s Republic of China
Correspondence: Hong-Liang Liu
Chongqing University Cancer Hospital, School of Medicine, Chongqing University, No. 181, Hanyu Road, Shapingba District, Chongqing, 400030, People’s Republic of China
Tel +86 13883686721
Email [email protected]
Background: To date, there is no definitive evidence for the analgesic effects and side effects of thoracic epidural anesthesia (TEA) versus thoracic paravertebral block (TPVB) after thoracoscopic surgery. In this study, we conducted a meta-analysis of published randomized clinical trials (RCTs) to analyze the analgesic effects of TEA versus TPVB after thoracoscopic surgery.
Methods: We systematically searched RCTs published by October 26, 2020, in PubMed, EMBASE, and Cochrane library and conducted a meta-analysis to analyze the analgesic effects of TEA versus TPVB after thoracoscopic surgery. The primary measure was postoperative pain score, and the secondary measures were postoperative 24-hour usage of opioids, hypotension, postoperative nausea, and vomiting.
Results: A total of 458 patients from five RCTs were included in this study. After thoracoscopic surgery, the numerical rating scale (NRS) score for resting pain was higher in the TPVB group than in the TEA group at 1– 2 hours and 4– 6 hours after surgery (MD = 0.44, 95% CI = 0.24 to 0.64, P < 0.0001, I2 = 0%; MD = 0.47, 95% CI = 0.23 to 0.70, P < 0.0001, I2 = 0%). The postoperative 24-hour usage of morphine was higher in the TPVB group than in the TEA group (SMD = 0.67; 95% CI = 0.03 to 1.31; P = 0.04; I2 = 84%). The incidence of hypotension was significantly lower in the TPVB group than in the TEA group (OR = 4.52; 95% CI = 2.03 to 10.10; P = 0.0002; I2 = 0%). No significant between-group difference was observed in postoperative nausea and vomiting (PONV).
Conclusion: Compared with TPVB, TEA provides statistically significant but clinically unimportant short-term benefits following thoracoscopic surgery.
Keywords: thoracic paravertebral block, thoracic epidural anesthesia, thoracoscopic surgery, meta-analysis
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