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Original Paper   

Minerva Anestesiologica 2022 Jun 29

DOI: 10.23736/S0375-9393.22.16522-3

Copyright © 2022 EDIZIONI MINERVA MEDICA

lingua: Inglese

Effect of co-administration of intravenous lidocaine and dexmedetomidine on the recovery from laparoscopic hysterectomy: a randomized controlled trial

Siqi XU, Ning LIU, Xitong YU, Shengbin WANG

Department of Anesthesiology, The Affiliated Anqing Hospital of Anhui Medical University, Anqing, China


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BACKGROUND: Some evidences have reported that intravenous (IV) lidocaine and dexmedetomidine alone can improve the quality of recovery after surgery. The main purpose of our study to explore whether co-administration of lidocaine and dexmedetomidine infusion could further improve the quality of recovery after laparoscopic hysterectomy compared to either lidocaine or dexmedetomidine administration.
METHODS: A total of 160 subjects were randomly allocated to four groups: the control group (group C) received an equal volume of normal saline, the lidocaine group (group L) received lidocaine (1.5 mg/kg for bolus over 10 min before induction of anesthesia, 1.5 mg/kg/h for continuous infusion), the dexmedetomidine group (group D) received dexmedetomidine (0.5 μg/kg for bolus over 10 min before induction of anesthesia, 0.4 μg/kg/h for continuous infusion), the lidocaine plus dexmedetomidine group (group LD) received lidocaine (1.5 mg/kg for bolus over 10 min before induction of anesthesia, 1.5 mg/kg/h for continuous infusion) and dexmedetomidine combined infusion (0.5 μg/kg for bolus over 10 min before induction of anesthesia, 0.4 μg/kg/h for continuous infusion). The primary endpoint was the quality of recovery-40 (QoR-40) scores on postoperative day 1 (POD1). The quality of sleep on POD1, remifentanil total dose, visual analog scale (VAS) pain scores, the number of patients with self-press the pump, time to open eye and extubation, length of postanesthesia care unit (PACU) stay, the incidence of intraoperative bradycardia, hypotension, arrhythmias, hypoxemia in the PACU, and nausea or vomiting within 24 h after surgery were regarded as the secondary outcomes.
RESULTS: The total QoR-40 scores were significantly increased in groups L, D, and LD on POD1 compared with group C (all P<0.05). The total QoR-40 scores were the highest in group LD on POD1 compared to other three groups (all P<0.001). Sleep quality was significantly improved in group LD compared to other three groups on POD1 (all P<0.05). The VAS pain scores were obviously reduced at 8 h in group L and at 4, 8 h in group D after surgery compared to group C and were the lowest in group LD (all P<0.05). The number of patients with self-press the pump was significantly reduced in groups D and LD compared to group C (8(20.0%) and 27(67.5%), P<0.001; 2(5.0%) and 27(67.5%), P<0.001, respectively). Length of PACU stay significantly prolonged in groups D (21.7±3.0) and LD (25.5±4.0) compared to group C (19.6±3.3) (P=0.028, P<0.001). The incidence of intraoperative bradycardia was significantly higher in groups D and LD than in groups C and L (all P<0.001). The rate of hypoxemia was higher in groups D (55.0%) and LD (70.0%) than in groups C (15.0%) and L (20.0%) (all P<0.05). The incidence of nausea was lower in group LD (10.0%) than in group C (37.5%) (P<0.05).
CONCLUSIONS: Co-administration of lidocaine plus dexmedetomidine infusion improved to some extent the quality of recovery on POD1 compared to lidocaine and dexmedetomidine alone, but it significantly increased the incidence of intraoperative bradycardia and hypoxemia in the PACU, and prolonged the length of PACU stay.


KEY WORDS: Lidocaine; Dexmedetomidine; Quality of recovery; Laparoscopic hysterectomy

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