Effects of rocuronium, sugammadex and rocuronium-sugammadex complex on coagulation in rats

  • Lima Cavalcanti I
  • Braga E
  • Verçosa N
  • et al.
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Abstract

Background and objectives Sugammadex is an alternative pharmacological drug capable of reversing neuromuscular blockades without the limitations that are presented by anticholinesterase drugs. Coagulation disorders that are related to treatment with sugammadex were reported. The exact mechanism of the effects on coagulation are not fully understood. The objective of this research is to evaluate the effects of rocuronium, sugammadex and the rocuronium-sugammadex complex on coagulation in an experimental model in rats. Methods This is an experimental randomized animal study. Wistar rats were randomly assigned into the following groups: the Control Group; the Ssal Group – 0.5mL of intravenous saline; the Sugammadex Group – intravenous sugammadex (100mgkg−1); and the Rocuronium-Sugammadex Group – intravenous solution with rocuronium (3.75mgkg−1) and sugammadex (100mgkg−1). Anesthesia was performed by using isoflurane with controlled ventilation. Coagulation factors were measured 10minutes after the end of the preoperative preparation and 30minutes after the administration of the drugs in accordance with the chosen groups. Results Platelet counts, prothrombin times, and activated partial thromboplastin times were similar between the groups and between the moments within each group. There were reductions in the plasma fibrinogen levels between sample times 1 and 2 in the Rocuronium-Sugammadex group (p=0.035). Conclusions The rocuronium-sugammadex complex promoted reductions in plasma fibrinogen counts, although the levels were still within normal limits. Resumo Introdução e objetivos O sugamadex é uma substância farmacológica alternativa capaz de reverter o bloqueio neuromuscular sem as limitações apresentadas pelos anticolinesterásicos. Entretanto, há relatos de transtornos de coagulação relacionados ao tratamento com sugamadex sem que mecanismos exatos de seus efeitos sobre a coagulação sejam totalmente compreendidos. O objetivo da presente pesquisa foi avaliar os efeitos de rocurônio, sugamadex e do complexo rocurônio-sugamadex sobre a coagulação em um modelo experimental com ratos. Métodos Este é um estudo randomizado experimental animal. Ratos Wistar foram aleatoriamente designados aos seguintes grupos: grupo controle; Grupo Ssal – 0,5mL de solução salina intravenosa; Grupo sugamadex – sugamadex intravenoso (100mgkg−1); e Grupo rocurônio-sugamadex – solução intravenosa com rocurônio (3,75mgkg−1) e sugamadex (100mgkg−1). A anestesia foi realizada utilizando-se isoflurano com ventilação controlada. Os fatores de coagulação foram medidos 10minutos após o final do preparo pré-operatório e 30minutos após a administração de drogas de acordo com os grupos escolhidos. Resultados Contagem de plaquetas, tempo de protrombina e tempo de tromboplastina parcial ativada foram semelhantes entre os grupos e entre os momentos dentro de cada grupo. Houve redução nos níveis de fibrinogênio plasmático entre os tempos 1 e 2 no grupo rocurônio-sugamadex (p=0,035). Conclusões O complexo rocurônio-sugamadex promoveu reduções na contagem de fibrinogênio plasmático, apesar de os níveis continuarem dentro dos limites normais.

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Lima Cavalcanti, I., Braga, E. L. C., Verçosa, N., Schanaider, A., Barrucand, L., Boer, H. D. de, & Vane, L. (2020). Effects of rocuronium, sugammadex and rocuronium-sugammadex complex on coagulation in rats. Brazilian Journal of Anesthesiology (English Edition), 70(6), 635–641. https://doi.org/10.1016/j.bjane.2020.10.004

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