Observation of the analgesic effect of superficial or deep anterior serratus plane block on patients undergoing thoracoscopic lobectomy |
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| Authors: | Lan Qiu Xiaoxuan Bu Jiang Shen Min Li Linyi Yang Qingrong Xu Yongjun Chen Jianping Yang |
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| Institution: | aDepartment of Anesthesiology, Intensive Care Medicine and Pain Medicine, the First Affiliated Hospital of Soochow University, Suzhou;bDepartment of Anesthesiology;cDepartment of Cardiology, The Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, China. |
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| Abstract: | The effectiveness of anterior serratus plane block in postoperative analgesia of thoracic surgery is beginning to emerge. Currently, there are 2 methods of anterior serratus plane block: deep serratus plane block (DSPB) and superficial serratus plane block (SSPB). In clinical practice, there is no an unified view regarding the advantages and disadvantages between 2 methods. This study aimed to observe and compare the analgesic effects of 2 methods on patients undergoing thoracoscopic lobectomy, in order to provide some suggestions for anesthesiologists when they choose anterior serratus plane block to perform postoperative analgesia for patients.Patients were randomly divided into 3 groups (21 patients/group): - 1.general anesthesia group (P group);
- 2.combined general anesthesia and SSPB group (S group), and
- 3.combined general anesthesia and DSPB group (D group).
The patients in groups S and D received 0.4 ml/kg of 0.375% ropivacaine for ultrasound-guided block after surgery. Postoperatively, flurbiprofen was used for rescue analgesia.Visual analog scale (VAS) pain scores were recorded at 6 hours, 12 hours, and 24 hours after surgery, and rescue analgesia, post-operative nausea, and vomiting were reported within 24 hours after surgery. At 6 hours, 12 hours, and 24 hours, the VAS scores and the rescue analgesia rates in groups S and D were significantly lower than those in group P (all P < .001). With prolonging time, the VAS in group D was significantly increased by 0.11 per hour as compared with that of group P (P < .0001); VAS in group D was significantly increased by 0.12 per hour as compared with that of group S (P < .0001).Ultrasound-guided anterior serratus plane block can provide adequate analgesia for patients undergoing thoracoscopy lobectomy. SSPB can significantly improve VAS scores as compared to DSPB at 24 hours. |
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| Keywords: | deep anterior serratus plane block superficial anterior serratus plane block thoracoscopic surgery ultrasound guidance |
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