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Revista chilena de cirugía
versión On-line ISSN 0718-4026
VIDAL, NELSON et al. Tensile strength of sutures closed with nylon or octylcyanoacrylate in rabbits. Rev Chil Cir [online]. 2007, vol.59, n.6, pp.417-420. ISSN 0718-4026. http://dx.doi.org/10.4067/S0718-40262007000600005.
Background: Cyanoacrylate can be used for incision closure with better esthetical results, less pain and lower incidence of infections. However, it could have a lower resistance to tension. Aim: To compare tensile strength of wounds closed with a non reabsorbable monofilament suture and octylcyanoacrylate. Material and Methods: Two skin incisions were done in the dorsal area of 20 rabbits. One incision was closed with nylon 5-0 with stitches every 0.5 cm and the other was closed with 2 layers of octylcyanoacrylate. Groups of nine rabbits were killed at seven and ten days after the procedure. A skin rectangle of the wound area was removed and the tensile force of the suture was measured with a specially devised instrument. A histological study of the incision was also done. Results: At seven days, tensile strength of sutures closed with cyanoacrylate and nylon were 9.65 + 2.72 and 9.28 + 2.38 Newtons, respectively, p=NS. At ten days, the figures were 10.98 + 4.8 and 9.08 + 3.58 Newtons respectively, p=NS. The histological study showed more inflammation, cellularity, fibrosis and vascular proliferation in sutures closed with nylon. Conclusions: No differences in tensile strength of sutures closed with cyanoacrylate or nylon were observed in this animal model. Sutures closed with nylon had a higher inflammatory reaction
Palabras clave : Wound closure; cyanocrylate; tensile strength.