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Revista Cubana de Medicina Militar
versão On-line ISSN 1561-3046
Resumo
CARRAL NOVO, Juan et al. Local effects of n-butyl 2-cyanoacrylate application in experimental vascular microsurgery. Rev Cub Med Mil [online]. 2006, vol.35, n.3, pp. 0-0. ISSN 1561-3046.
A retrospective randomized cohort study (at one and six months) was performed in 65 male Wistar rats divided into healthy controls (n= 10), study (n= 28) and positive controls (n= 27). It evaluated the advantages of n-butyl 2-cyanoacrylate adhesive in vascular microsurgery, compared suture time between this adhesive and polypropylene 8/0, assessed suture strength, determined anastomosis permeability and differentiated the vascular histological behaviour. The adhesive was applied in abdominal aorta of rats with 3 retention stitches, intraluminal pressure was measured using conventional barometric techniques, vascular histological behaviour was analyzed and compared with the application of polypropylene 8/0. Vascular suture time using the adhesive was 836,29 ± 77,18 s in the study group and 2634,07 ± 97,30 in positive controls, with highly statistical significance (p < 0,000000); allowed pressure with the adhesive, 296,95 ± 6,79mmHg and 252,61 ± 58,71 mmHg in positive controls, with highly statistical significance (p < 0,00544); suture effectiveness was 92,86 % with n-butyl 2-cyanoacrylate and 85,19% with polypropylene, without any differences observed in both groups. Cyanoacrylate degraded after 6 months. N-butyl 2-cyanoacrylate was quicker to be applied in vascular surgery, stands more pressure and causes no toxicity.
Palavras-chave : Cyanoacrylates; microsurgery; vascular surgery.