Jornal Vascular Brasileiro
https://jvascbras.org/article/doi/10.1590/1677-5449.0094
Jornal Vascular Brasileiro
Original Article

Effectiveness of cyanoacrylate adhesive in rabbit aortorrhaphy

Efetividade do adesivo de cianoacrilato para aortarrafia em coelhos

Marcus Vinicius Henriques de Carvalho; Evaldo Marchi; Mario Pantaroto

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Abstract

BACKGROUND: Even when properly performed, arterial sutures are not always absolutely hemostatic. Tissue sealants and adhesives have become available that can be used to complete sutures, preventing hemorrhage problems.OBJECTIVES: To evaluate the effectiveness of cyanoacrylate adhesive for sealing aortotomies in rabbits in a coagulopathic state, by analyzing survival of the animals and the time taken to achieve hemostasis.METHODS: Ten-mm long aortotomies were performed on the infrarenal aortas of 12 animals. In four animals, aortorrhaphy was conducted using four interrupted polypropylene sutures and in the remaining animals aortorrhaphy was performed using four or fewer polypropylene stitches, followed by application of a cyanoacrylate adhesive.RESULTS: The four animals sutured without adhesive died within the postoperative period due to severe hemorrhage (3 animals) or intestinal ischemia. The eight animals to which the adhesive was applied exhibited no transoperative bleeding, but one animal died during the postoperative period. Using cyanoacrylate permitted more rapid procedures (p<0.004) and no local reactions were observed in macroscopic examination of tissues.CONCLUSIONS: The cyanoacrylate adhesive demonstrated effectiveness for sealing aortotomies, considering the survival outcomes, duration of procedures and absence of local reactions on macroscopic examination.

Keywords

tissue adhesives, aorta, surgery, animal experimentation

Resumo

CONTEXTO: Ainda quando feitas adequadamente, suturas arteriais não são absolutamente hemostáticas. Vedantes e adesivos teciduais estão disponíveis e podem ser usados para completar as suturas, prevenindo problemas hemorrágicos.OBJETIVOS: Avaliar a efetividade do adesivo de cianoacrilato em vedar aortotomias de coelhos, considerando a sobrevida dos animais e o tempo para hemostasia.MÉTODOS: Em todos os doze animais, aortotomias de 10 mm de extensão foram feitas na aorta abdominal infrarrenal. Em quatro animais a aortorrafia foi feita com quatro pontos separados de polipropileno, e no outro grupo, a aortorrafia foi feita com quatro ou menos pontos separados e, depois, o adesivo de cianoacrilato foi aplicado.RESULTADOS: Os quatro animais que receberam somente a sutura morreram no primeiro dia de pós-operatório devido à hemorragia intensa (três animais) e por isquemia intestinal. Nos oito animais nos quais o adesivo foi aplicado não houve sangramento transoperatório, mas um animal morreu no período pós-operatório. A utilização do cianoacrilato tornou o procedimento mais rápido (p < 0,004). Não foram observadas reações locais sob o ponto de vista macroscópico.CONCLUSÕES: O adesivo de cianoacrilato mostrou efetividade em vedar aortotomias, considerando o desfecho sobrevida e tempo para obter hemostasia e o fato de não ocorrerem reações locais sob o ponto de vista macroscópico.

Palavras-chave

adesivos teciduais, aorta, cirurgia, experimentação animal

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