Administration de dexmédétomidine intraveineuse pour le traitement des frissons pendant un accouchement par césarienne sous anesthésie neuraxiale : une étude randomisée contrôlée. - OpacWWW

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Tytuł:: Administration de dexmédétomidine intraveineuse pour le traitement des frissons pendant un accouchement par césarienne sous anesthésie neuraxiale : une étude randomisée contrôlée.
Autorzy:: Lamontagne, Christina
Lesage, Sandra
Villeneuve, Edith
Lidzborski, Elsa
Derstenfeld, Alex
Crochetière, Chantal
Alternatywny tytuł:: Administration de dexmédétomidine intraveineuse pour le traitement des frissons pendant un accouchement par césarienne sous anesthésie neuraxiale : une étude randomisée contrôlée. (French)
Źródło:: Canadian Journal of Anaesthesia / Journal Canadien d'Anesthésie; Jul2019, Vol. 66 Issue 7, p762-771, 10p
Abstract (English):: Purpose: About 55% of patients undergoing a Cesarean delivery under spinal or epidural anesthesia will experience shivering, which may interfere with the monitoring of vital signs. Recent studies have shown that dexmedetomidine could potentially help to alleviate shivering associated with anesthesia. We investigated whether dexmedetomidine, an alpha 2-adrenergic agonist, reduces the duration of shivering associated with neuraxial anesthesia during Cesarean delivery.Methods: Eighty parturients undergoing Cesarean delivery under neuraxial anesthesia and experiencing shivering were enlisted in this prospective, randomized, double-blind trial. After childbirth, the intervention group (n = 40) received a single intravenous bolus of dexmedetomidine (30 µg) while the control group (n = 40) received saline. Randomization and allocation were based on a computer-generated list. The primary outcome measure was the time required for an observable decrease in shivering after the intervention.Results: One hundred fifty-five patients were recruited, 80 of whom presented with shivering and were randomized. Our study showed that dexmedetomidine reduced the mean (standard deviation) duration of shivering after a single intravenous bolus to 2.6 (2.1) min after dexmedetomidine from 17.9 (12.6) min after saline (difference in means, -15.3 min; 95% confidence interval [CI], -11.2 to -19.4). The effect of dexmedetomidine persisted 15 min after the bolus was administered, as shivering had completely stopped in 90% of the patients in the intervention group vs 22.5% in the control group (relative risk, 4.0; 95% CI, 2.2 to 7.2). No adverse effects, including bradycardia, were observed.Conclusion: A single intravenous bolus of dexmedetomidine decreased the duration of shivering for up to 15 min during Cesarean delivery under neuraxial anesthesia.Trial Registration: www.clinicaltrials.gov (NCT02384343); registered 10 March, 2015. [ABSTRACT FROM AUTHOR]
: Czasopismo naukowe

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Administration de dexmédétomidine intraveineuse pour le traitement des frissons pendant un accouchement par césarienne sous anesthésie neuraxiale : une étude randomisée contrôlée.