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Vol. 33. Issue 10.
Pages 509-514 (November 1997)
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Vol. 33. Issue 10.
Pages 509-514 (November 1997)
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Estado actual y experiencia clínica en el tratamiento de las estenosis traqueobronquiales con prótesis metálicas autoexpandibles
Current clinical experience with tracheobronchial stenosis treated with self-expanding metallic stents
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M.A. de Gregorio1, J. Medrano, E.R. Alfonso, J. Fernández
Sección de Radiología Intervencionista. Hospital Universitario Lozano Blesa. Zaragoza
C. Ruiz*, H. Vallés**, F.J. Suárez*
* Servicios de Neumología, Hospital Universitario Lozano Blesa. Zaragoza
** ORL. Hospital Universitario Lozano Blesa. Zaragoza
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La aparición de una estenosis sintomática en el árbol bronquial puede provocar a los pacientes una situación de alto riesgo vital por asfixia. La implantación de prótesis (stents) metálicas puede resolver la estenosis de una forma paliativa y aliviar el estado clínico de estos pacientes.

Evaluamos la efectividad de las prótesis metálicas expandibles como método terapéutico en diferentes tipos de estenosis traqueobronquiales.

Se han implantado en la sala de radiología intervencionista (RI), bajo control fluoroscópico y endoscópico, un total de 16 prótesis metálicas autoexpandibles tipo Wallstent en 16 pacientes con estenosis traqueobronquiales (12 malignas y 4 benignas).

Las prótesis fueron ubicadas en el lugar correcto, sin apreciarse complicaciones, obteniéndose una mejoría clínica inmediata en todos los pacientes. Tres pacientes con estenosis postintubación necesitaron tratamiento adicional con láser endoscópico durante el control evolutivo. Todos los pacientes con patología de origen maligno fallecieron por su enfermedad de base, manteniéndose sin sintomatología traqueal y con su luz permeable.

Las prótesis metálicas constituyen una alternativa terapéutica paliativa válida en las estenosis traqueobronquiales malignas.

Palabras clave:
Prótesis metálica
Stent metálico
Wallstent
Estenosis traqueobronquial

The development of symptomatic stenosis in the bronchial tree can lead to high risk asphyxia. The implantation of metallic prostheses (stents) can provide palliative resolution of stenosis and alleviate the acute symptons of these patients.

We assess the afficacy of expandable metallic stents for treating various types of tracheobronchial stenosis.

Sixteen Wallstent type expandable metallic prostheses were implanted in 16 patients with tracheobronquial stenosis (12 malignant and 4 benign) in the interventional racliology unit under fluoroscopic and endoscopio guidance.

The prostheses were placed correctly and no complications were observed, such that symptoms improved immediately. Three patients with post-intubation stenosis required additional treatment with láser therapy during follow-up examinations. All the patients with malignancies died from the underiying disease, but with open airways and no tracheal symptoms.

Metallic protheses are a valid alternative for palliative treatment of malignant tracheobronchial stenosis.

Key words:
Prosthesis, metallic
Stent, metallic
Wallstent
Tracheobronchial stenosis
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Copyright © 1997. Sociedad Española de Neumología y Cirugía Torácica
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