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The effect of ultrasound-guided erector spinae plane block on postoperative analgesia in patients with laparoscopic cholecystectomy
- Zhang Xiaodan, Wang Hongyu, Zhang Yong, Han Liu
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2021, 27(6):
813-817.
DOI: 10.3760/cma.j.issn.1007-1245.2021.06.007
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Objective To investigate the effectiveness and safety of ultrasound-guided erector spinae plane block (ESPB) combined with oxycodone patient controlled intravenous analgesia (PCIA) for postoperative analgesia in patients undergoing laparoscopic cholecystectomy (LC). Methods A total of 58 patients underwent laparoscopic cholecystectomy under general anesthesia, including 22 males and 36 females, with ASA I or II, they were randomly divided into two groups: single ESPB combined with PCIA group (group EP) and simple PCIA group (Group P). Patients in the group EP received ultrasound-guided ESPB before induction of anesthesia. Both groups were evaluated according to the numerical rating scale (NRS). When the NRS score was ≥4 points, oxycodone titration was administered intravenously until the NRS score was <4 points and then PCIA was used. Postoperative oxycodone titration; NRS scores before titration, at the end of titration, 1 h, 4 h, 8 h, 12 h, 16 h, 24 h later at rest and cough; the dose of oxycodone within 0~4 h, 4~8 h, 8~12 h, 12~16 h, and 16~24 h after surgery; the number of effective press of analgesic pump within 0~4 h, 4~8 h, 8~12 h, 12~16 h, and 16~24 h after surgery; the number of postoperative remedial analgesia and postoperative adverse reactions in the two groups were recorded. Results The postoperative titrated oxycodone dosage and the PCIA oxycodone dosage with 0~4 h and 4~8 h after surgery of the group EP were significantly less than those of the group P [0.0 (1.0, 2.0) mg vs.2.0 (0.0, 4.0) mg, 0.4 (0.4, 1.4) mg vs.0.4 (0.4, 1.4) mg, 0.4 (0.4, 0.4) mg vs.0.4 (1.4, 2.4) mg] (all P<0.05). The NRS scores at 1 hour after surgery at rest and cough in the group EP were significantly lower than those in the group P [(1.38±0.86) points vs.(1.92±0.83) points, (1.93±0.80) points vs.(2.50±0.59) points] (both P<0.05); the NRS scores at 4 hours after surgery at rest and cough in the group EP were significantly lower than those in the group P [(1.21±0.68) points vs.(1.71±0.69) points, (1.90±0.62) points vs.(2.29±0.69) points] (both P<0.05); the NRS scores at 8 hours after surgery at rest and cough in the group EP were significantly lower than those in the group P [(1.41±0.73) points vs.(2.00±0.59) points, (1.66±0.67) points vs.(2.21±0.83) points] (both P<0.01). The number of effective press of analgesic pump within 0~4 h and 4~8 h after surgery in the group EP were significantly lower than those in the group P [0.4 (0.4, 1.4) times vs.1.4 (0.4, 3.1) times, 0.4 (0.4, 0.4) times vs.1.4 (0.4, 2.4) times] (both P<0.05). Conclusion Ultrasound-guided ESPB can significantly reduce the PCIA dosage of oxycodone after LC, which is a safe and effective way of analgesia.
