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Journal Information
Vol. 24. Issue 3.
Pages 235-242 (January 2000)
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Vol. 24. Issue 3.
Pages 235-242 (January 2000)
Sustitución de la uretra con material sintético
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E. Alexsandro da silva, E. Zungri telo1
Servicio de Urología. Hospital POVISA. Vigo (Pontevedra)
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Resumen

Aunque hay descriptas innumerables técnicas quirúrgicas, el tratamiento de la estenosis uretral es un problema no completamente resuelto. En casos seleccionados está indicada la realización de uretroplastias con injerto libre. Varios son los materiales descriptos con este objetivo y pueden ser divididos en orgánicos y sintéticos. Nosotros revisamos los aloplásticos sintéticos que fueron usados para sustituir de forma parcial o completa, la uretra masculina. La búsqueda de un material sintético adecuado que pueda sustituir la uretra ha sido frustrante. Las tasas de complicación son todavía altas para permitir su aplicación en la clínica diaria. Los resultados más alentadores son con los nuevos materiales absorbibles que causan mínima reacción inflamatoria del tipo cuerpo extraño, son fácilmente disponibles y permiten una sustitución final de la uretra por tejidos regenerados a partir de los extremos resecados.

Palabras clave:
Uretra
Estenosis
Injerto libre
Aloplástico
Abstract

In spite of the numerous surgical techniques described, management of urethral stenosis continues to be an unresolved problem. Free graft urethroplasty is indicated in selected cases and several organic and synthetic materials have been described for this use. Our group reviews the synthetic alloplasts used for partial or total replacement of the male urethra. The search for an appropriate alloplast for urethral replacement has been rather frustrating. Complication rates are still too high to allow routine usage. The most encouraging results are those with new absorbable materials which cause minimal inflammatory reactions of a foreign body type. These are readily available and allow urethral replacement using tissues regenerated from removed ends.

Key words:
Urethra
Stenosis
Free graft
Alloplastic

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