Effects of ultrasound-guided erector spine plane block and patient-controlled epidural analgesia on postoperative analgesia in elderly patients undergoing thoracoscopic surgery
ZHANG Hanping, RUI Longjie, and LI Dong
Department of Anesthesiology, Jiangsu Provincial Corps Hospital, Chinese People’s Armed Police Force, Yangzhou 225003, China
Abstract:Objective To evaluate the effect of ultrasound-guided erector spine plane block and patient-controlled epidural analgesia on postoperative analgesia in elderly patients undergoing thoracoscopic surgery.Methods Seventy elderly patients (38 males and 32 females, aged 62 to 78, BMI 20.3-24.5 kg/m2, ASA Ⅰ or Ⅱ) undergoing elective thoracoscopic surgery between May 2018 and May 2019 were enrolled. These patients were evenly divided into two groups: the ESP group and PCEA group using random number table method. In the ESP group, single spinal plane block was performed at the level of thoracic 5 (T5). 0.5% ropivacaine 0.5 ml/kg was given after the erector plane was determined by ultrasound. In the PCEA group, epidural block was performed before and after the experimental dose was given. No continuous epidural block was given during surgical procedures. Morphine was epidurally injected at the loading dose 30 minutes before the end of operation and PCEA was used as postoperative analgesia. General anesthesia was routinely induced and maintained in both groups. VAS and BCS scores were recorded at 1, 4, 12, 24 and 48 h postoperatively. The scores of satisfaction of patients with postoperative analgesia were recorded. Such adverse reactions as dizziness, cough weakness and chest tightness and such complications as headache, pneumothorax, local anesthetic poisoning, visceral injury and general spinal anesthesia were recorded.Results Compared with the PCEA group, there was no significant difference in VAS scores or BCS score in the ESP group at postoperative 1, 4, 12, 24 hours. VSA scores increased while BCS scores decreased at postoperative 48 hours (P<0.05) and the number of patients who needed additional tramadol was increased (P<0.05). The incidence of dizziness, cough weakness, chest tightness and headache in the ESP group were lower than in the PCEA group (P<0.05). There was statistical difference in satisfaction scores between the two groups. No pneumothorax, local anesthetic poisoning, visceral injury, general spinal anesthesia or other related complications was recorded in either group.Conclusions Ultrasound-guided single spine plane block is safe and effective for postoperative analgesia in elderly patients undergoing thoracoscopic surgery.
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