• Lingling Sun, Jing Mu, Bin Gao, Yuexian Pan, Lang Yu, Yang Liu, and Huanzhong He.
• Department of Anesthesiology, Huzhou Central Hospital, 1558# Sanhuan North Road, Huzhou, 313000, China.
• BMC Anesthesiol. 2022 Sep 10; 22 (1): 283.

BackgroundThe objective of this study was to compare analgesic efficacy of erector spinae plane block(ESPB) and thoracic paravertebral block(TPVB) combined with intercostal nerve block(ICNB) after video assisted thoracoscopic surgery(VATS).MethodsPatients were enrolled into three groups according to analgesia technique as ICNB, TPVB + ICNB or ESPB + ICNB: respectively Group C(n = 58), Group T (n = 56) and Group E (n = 59). Patients were followed up by a trained data investigator at 2, 6, 8, 12, 24, 48 h after surgery, and the visual analog scale(VAS) at rest and coughing were recorded. The moderate and severe pain mean VAS ≥ 4 when coughing. The postoperative opioids consumption, incidence of postoperative nausea and vomiting (PONV), supplementary analgesic requirements within 48 h, length of stay in PACU, ambulation time, postoperative days in hospital and potential side effects, such as hematoma, hypotension, bradycardia, hypersomnia, uroschesis, pruritus and apnea were recorded.ResultsThe incidence of moderate-to-severe pain was no significant difference between 3 groups in 24 h and 48 h (P = 0.720). There was no significant difference among the 3 groups in the resting pain intensity at 2, 6, 8, 12, 24 and 48 h after surgery(P > 0.05). In 2-way analysis of variance, the VAS when coughing in Group T were lower than that in Group C (mean difference = 0.15, 95%CI, 0.02 to 0.29; p = 0.028). While no difference was found when comparing Group E with Group C or Group T(P > 0.05). There was no difference between the three groups in the sufentanil consumption( within 24 h p = 0.472, within 48 h p = 0.158) and supplementary analgesic requirements(p = 0.910). The incidence of PONV and the length of stay in PACU, ambulation time and postoperative days in hospital were comparable in the 3 groups(P > 0.05). Two patients from Group T developed hematoma at the site of puncture.ConclusionsThe present randomized trial showed that the analgesic effect of TPVB + ICNB was superior to that of INCB after VATS, the analgesic effect of ESPB was equivalent to that of TPVB and ICNB.Trial RegistrationChinese Clinical Trial Registry, ChiCTR2100049578. Registered 04 Aug 2020 Retrospectively registered.© 2022. The Author(s).

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