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Vol. 70. Issue 3.
Pages 152-156 (September 2001)
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Vol. 70. Issue 3.
Pages 152-156 (September 2001)
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Resultados clínicos de la utilización de la oclusión portal preoperatoria en el tratamiento quirúrgico de las metástasis hepáticas
Clinical results of the use of preoperative portal occlusion in the surgical treatment of hepatic metastases
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S. López-Ben1,
, J. Figueras*, C. Lama*, J. Busquets*, J. Domínguez**, C. Sancho**, E. Escalante**, C. Cañas**, A. Miquel**, C. Valls***, A. Rafecas*, J. Torras*, E. Ramos*, E. Jaurrieta*
* Servicio de cirugía
** Servicio de Radiología. Hospital Prínceps d’Espanya
*** Institut de Diagnóstic per la Imatge. Hospital Duran i Reinals. Ciutat Sanitária i Universitária de Bellvitge. L’Hospitalet de Llobregat. Barcelona
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Article information
Resumen
Introducción

La oclusión portal preoperatoria (OPP) produce una hipertrofia del hígado contralateral. Gracias a ello podemos aumentar el índice de resecabilidad de algunos pacientes considerados inicialmente irresecables en función de un futuro remanente hepático insuficiente.

Objetivo

Valorar la seguridad de la OPP y su eficacia en mejorar la resecabilidad de 8 pacientes inicialmente irresecables.

Métodos

Desde enero de 1997 hasta diciembre de 1999 hemos realizado resecciones hepáticas por metástasis hepáticas de carcinoma colorrectal a 136 pacientes. En 8 casos (5,8%) el futuro parénquima hepático remanente, según la TC helicoidal, fue considerado insuficiente (< 40%), indicándose embolización portal percutánea en 6 casos. En los 2 casos restantes la decisión se basó en los hallazgos de la ecografía peroperatoria, practicándose ligadura de la porta homolateral a la lesión. En un caso la OPP se realizó en un paciente con metástasis hepáticas de tumor carcinoide.

Resultados

La OPP pudo realizarse en todos los casos. No hubo complicaciones relacionadas con el procedimiento. La resección hepática se practicó a los 52 días de media post-OPP. La morbilidad fue del 50% (fístula biliar, absceso subfrénico, ascitis). La mortalidad postoperatoria fue de un caso por insuficiencia hepática.

Conclusión

La OPP es una técnica segura y que aumenta el índice de resecabilidad de los pacientes con metástasis hepáticas de carcinoma colorrectal.

Palabras clave:
Neoplasia hepática
Vena Porta
Embolización
Terapéutica
Regeneración hepática
Introduction

Preoperative portal occlusion (PPO) produces hypertrophy of the contralateral liver. As a result, the resectability rate of certain patients initially considered to be irresectable can be increased because of a future surplus of insufficient liver. The aim of this study was to evaluate the safety of PPO and its efficacy in improving the resectability of 8 initially irresectable patients.

Methods

From January 1997 to December 1999 we performed liver resection for hepatic metastases from colorectal carcinoma in 136 patients. In 8 patients (5.8%), the future surplus liver parenchyma revealed by helicoidal computerized axial tomography was considered insufficient (<40%), indicating percutaneous portal embolization in 6 patients. In the 2 remaining patients, the decision was based on the findings of preoperative ultrasonography and ligature of the porta homolateral to the lesion was performed. PPO was performed in 1 patient with hepatic metastases from a carcinoid tumor.

Results

PPO was performed in all patients. No complications related to the procedure were found. Liver resection was performed a mean of 52 days after PPO. Morbidity was 50% (biliary fistula, subphrenic abscess, ascites). There was one postoperative death due to hepatic insufficiency.

Conclusion

PPO is a safe technique that increases the resectability rate in patients with hepatic metastases from colorectal carcinoma.

key words:
Liver Neoplasm
Portal Vein
Embolization
Therapeutic
Liver Regeneration
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Copyright © 2001. Asociación Española de Cirujanos
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