• Ying-Kun Xiao, Shou-Zhang She, Li-Xin Xu, and Bin Zheng.
• Department of Anesthesiology, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, No.1 Panfu Road, Yuexiu District, Guangzhou, 510180, Guangdong, China. xiaoyk791117@126.com.
• Adv Ther. 2021 Jun 1; 38 (6): 3444-3454.

IntroductionAnterior serratus muscle plane block is a novel regional block technique for blockade of the sensory plane of the lateral cutaneous branch of the intercostal nerve (T2-T9), which effectively relieves the pain of patients and improves the quality of recovery. This study aimed to observe the early effectiveness and safety of serratus anterior plane block combined with general anesthesia and patient-controlled serratus anterior plane block in early postoperative recovery in breast cancer.MethodsThe study involved a total of 84 patients undergoing radical mastectomy in our hospital. The patients were randomly divided into three groups: the serratus anterior block + general anesthesia + patient-controlled serratus anterior plane block group (PCSAPB group), the serratus anterior block + general anesthesia + patient-controlled intravenous analgesia group (PCIA group), and the general anesthesia + PCIA group (control group), with n = 28 cases in each group.ResultsThe visual analogue scale (VAS) scores of the three groups were compared before and after the operation (P < 0.001), and the anxiety visual analogue scale (AVAS) scores after operation were compared among the three groups (P < 0.001). The total number of postoperative analgesic pumps in the PCSAPB group was significantly lower than that in the control group (P < 0.05). The incidence of adverse reactions in the three groups was statistically significant (P < 0.05).ConclusionThe combination of anterior serratus plane block and general anesthesia and patient-controlled anterior serratus plane block reduced pain and adverse events, alleviating anxiety, improving the quality of early postoperative recovery among patients with breast cancer after modified radical mastectomy.

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