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Ultrasound-Guided Transversus Abdominis Plane Block for Cesarean Delivery: Injection Site Pain as a New Complication and Dexamethasone Reduced Incidence

Authors Liu HL, Zhou RH, Luo LL, Yuan X, Ye L, Luo HG

Received 11 July 2019

Accepted for publication 7 March 2020

Published 19 March 2020 Volume 2020:13 Pages 565—573

DOI https://doi.org/10.2147/JPR.S222767

Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 2

Editor who approved publication: Dr E Alfonso Romero-Sandoval


Hai-Lin Liu,1,* Rui-Hao Zhou,2,* Li-Li Luo,1 Xue Yuan,1 Ling Ye,2 He-Guo Luo1

1Department of Anesthesiology, The Third Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330008, People’s Republic of China; 2Department of Pain Management, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, People’s Republic of China

*These authors contributed equally to this work

Correspondence: He-Guo Luo
Department of Anesthesiology, The Third Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330008, People’s Republic of China
Email 542534631@qq.com

Background: Although ultrasound-guided transversus abdominis plane block (TAPB) is widely used in multimodal analgesia after cesarean delivery (CD), the complications of TAPB during analgesia after CD have rarely been reported.
Methods: A total of 84 cases of CD were randomly assigned to either a ropivacaine group (R group) or ropivacaine + dexamethasone group (RD group) in this double-blind trial. The pain site and pain degree at rest and during activity at 2 h, 6 h, 10 h, 12 h, 14 h, 16 h, 20 h, and 24 h after maternal surgery were recorded. The consumption of opioids at 24h, postoperative nausea, vomiting, exhaustion, and other adverse reactions were recorded.
Results: A total of 80 patients were included in the analysis of results. A total of 19 patients developed ISP, 14 in the R group and 5 in the RD group. The incidence of ISP in the R and RD groups was 35% and 12.5%, respectively. The results described above showed that combining dexamethasone with ropivacaine reduced the incidence of ISP, and the difference was statistically significant (P< 0.05). Two groups of women with positive ISP had higher values of opioid consumption than women with negative ISP, but the difference was not significant.
Conclusion: Dexamethasone as an adjuvant for ropivacaine can effectively relieve the ISP of ultrasound-guided TAPB after CD, and can enhance the analgesic effect of ropivacaine.

Keywords: dexamethasone, ropivacaine, cesarean delivery, transversus abdominis plane block, postoperative analgesia, injection site pain


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