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- W2351089014 abstract "Objective To investigate the feasibility of tracheal reconstruction with prosthesis made of memory alloy coated with collagen sponge in mongrel dogs. Methods The basic skeleton of prosthesis type A was knitted with Ni-Ti memory alloy filament.The tubular mesh was sealed with polyurethane membrane,and then inner and external wall of lumen was coated with collagen sponge.The constitution of type B prosthesis was similar with type A without coating collagen.Cervical trachea segmental reconstruction was performed in 15 mongrel dogs with type A(group A,n=8) and type B(group B,n=7) prosthesis.The efficacy of the implanted prosthesis was periodically evaluated using X-ray,tracheoscope and specimen microscope examination. Results In group A,six dogs survived over 90 d.They were sacrificed at 90,120 and 150 d after grafting.The implanted prosthesis was well located and completely incorporated with the recipient tissue,where re-epithelialization occulted on anastomotic sites.The tracheal lumen was patented. In group B,three dogs survived over 90 d.They were killed at 90 and 150 d after grafting.Various degrees of granuloma occurred and no re-epithelialization was observed in all dogs of group B. Conclusion Reconstructed tracheal prosthesis made of memory alloy coated with collagen sponge bears favourable biocompatibility and possess significant superiority to prevent anastomotic stenosis,decoherence and prosthetic dislocation." @default.
- W2351089014 created "2016-06-24" @default.
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- W2351089014 date "2007-01-01" @default.
- W2351089014 modified "2023-09-25" @default.
- W2351089014 title "Tracheal reconstruction with prosthesis made of memory alloy coated with collagen sponge" @default.
- W2351089014 hasPublicationYear "2007" @default.
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