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Inicio Actas Urológicas Españolas Resultado a largo plazo de la uretroplastia término-terminal
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Vol. 29. Issue 5.
Pages 499-505 (January 2005)
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Vol. 29. Issue 5.
Pages 499-505 (January 2005)
Resultado a largo plazo de la uretroplastia término-terminal
Long-term results of end-to-end urethroplasty
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M.A. Ortíz Gorraiz1, F.J. Vicente Prados, M. Tallada Buñuel, J.L. Rosales Leal, B. Honrubia Vílchez, A. Fernández Sánchez, F. Vázquez, A. Martínez Morcillo, J.M. Cózar Olmo, E. Espejo Maldonado
Hospital Universitario Virgen de las Nieves. Granada
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Resumen
Objetivo

Evaluamos los resultados a largo plazo de la uretroplastia término-terminal.

Material y Métodos

Revisamos 40 pacientes afectos de estenosis de uretra bulbar de etiología diversa: yatrógena 40%, traumática 15%, infecciosa 2% y desconocida 40%. En 17 casos se realizó previamente uretrotomía interna. El estudio mediante CUMS reveló una localización bulbar en todos los casos y una longitud inferior a 1 cm en 13 casos, entre 1-2 cm en 26 casos y entre 2-3 cm en 1 caso. El flujo máximo varió de 3-13 ml/s. Se valoró mediante cultivo preoperatorio la ausencia de bacteriuria. El tiempo medio de seguimiento fue de 45 meses (12- 142 meses). Se consideró resuelta la estenosis cuando no aparecieron datos radiológicos ni flujométricos compatibles con reestenosis.

Resultados

En 37 casos (92%) los resultados fueron satisfactorios, no precisando los pacientes ningún otro procedimiento quirúrgico secundario. Tras la cirugía el flujo máximo varió entre 18-45 ml/s. En dos de los tres pacientes con reestenosis la uretrotomía interna endoscópica fue resolutiva. Se trató de dos pacientes con estenosis de origen traumático y longitud mayor a 1,5 cm. En el tercer paciente con recidiva se optó finalmente por realizar una nueva uretroplastia termino-terminal, con buen resultado posterior.

Conclusiones

La uretroplastia término-terminal es una técnica altamente resolutiva en la estenosis de uretra bulbar. El diagnóstico preoperatorio se basa en el estudio radiológico (CUMS). El control postoperatorio debe fundamentarse en la clínica y estudio flujométrico. El origen traumático de la estenosis empeora los resultados de la cirugía. En casos de reestenosis la uretrotomía interna endoscópica permite complementar de forma exitosa los resultados de la uretroplastia.

Palabras clave:
Estenosis uretral
Uretroplastia
Flujo máximo
Uretrocistografía
Abstract
Objective

We evaluated long term results of end-to-end urethroplasty.

Material and methods

We reviewed 40 patients with bulbar urethral stricture of diverse origin: iatrogenic 40%, traumatic 15%, infectious 2% and unknown 40%. In 17 cases internal urethrotomy was made previously. The radiological study with retrograde and voiding cystogram revealed a bulbar location in all cases and a length inferior to 1 cm in 13 cases, between 1-2 cm in 26 cases and 2-3 cm in 1 case. The maximum flow rate varied between 3-13 ml/s. The absence of bacteriuria was valued by means of preoperating culture. The average time of pursuit was 45 months (12-142 months). The stricture was considered resolute when not appear compatible radiological or functional finds of failure.

Results

In 37 cases (92%) the results were satisfactory, without secondary surgical procedure. After surgery maximum flow-rate varied between 18-45 ml/s. In two patients with failure, internal urethrotomy was decisive. In this case the stricture origin was traumatic. The third patient with failure was finally chosen to make new endto- end urethroplasty, with good later result.

Conclusions

End-to-end urethroplasty is a highly decisive technique for bulbar urethral stricture. The preoperating diagnosis is based on the radiological study (retrograde and voiding cystogram). The postoperating control must be based on clinic and uroflow study. Traumatic stricture repair showed worse results. In cases of failure, internal urethrotomy allows to complement successful results of end-to-end urethroplasty.

Keywords:
Urethral structure
Urethroplasty
Maximum flow-rate
Urethrocystogram

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