[Functional hemispherectomy: long-term follow-up in a series of five patients].

Abstract:

INTRODUCTION:Functional hemispherectomy consists in palliative epilepsy surgical procedure usually performed in patients with pharmaco-resistant epilepsy and hemispheric syndromes. It is based on the neural disconnection of the affected hemisphere with preservation of the vascular supply. AIM:To analyze long-term prognosis and safety of the hemispherectomies performed in our institution. PATIENTS AND METHODS:Retrospective analysis collecting the following variables: age, gender, age of epilepsy onset, type of seizures, etiology, age of epilepsy surgery, prognosis and potential surgical complications. All patients had a minimum of five years of follow up. RESULTS:Five patients (60% females) underwent hemispherotomy between 1999 and 2010. Age of epilepsy onset was 36 months and time of evolution until surgery was 7 years. The most frequent type of seizures were simple motor seizures with secondary generalization (n = 5). Three patients remained seizure free persistently after surgery and another patient had a more than 90% improvement. Time of follow up was 13 years. One patient suffered a bacterial meningitis without sequelae. Six years after surgery a patient suffered hydrocephalous requiring ventriculoperitoneal shunt. CONCLUSIONS:Functional hemispherectomy constitutes an effective method to treat patients with pharmaco-resistant epilepsy, extensive unihemispheric pathology and seizures limited to that hemisphere. Late complications may occur thus long-term follow-up is needed. TITLE:Hemisferectomia funcional: seguimiento a largo plazo en una serie de cinco casos. :Introduccion. La hemisferectomia funcional es una de las tecnicas quirurgicas con intencion paliativa que se pueden realizar en pacientes con epilepsia farmacorresistente y sindromes hemisfericos. Se basa en la desconexion neuronal del hemisferio afectado preservando el arbol vascular. Objetivo. Analizar el pronostico y la seguridad a largo plazo de las hemisferectomias realizadas en nuestro centro. Pacientes y metodos. Revision retrospectiva de los casos intervenidos, recogiendo las siguientes variables clinicas: edad, sexo, edad de inicio de la epilepsia, tipo de crisis, etiologia de la epilepsia, edad de intervencion, pronostico posquirurgico y posibles complicaciones. El seguimiento minimo fue de cinco años. Resultados. Cinco pacientes (60% mujeres) fueron intervenidos entre 1999 y 2010. La edad de inicio de la epilepsia fue de 36 meses, y el tiempo de evolucion hasta la cirugia, de 7 años. El tipo de crisis mas habitual fueron las crisis parciales simples motoras con generalizacion secundaria (n = 5). Tres pacientes permanecieron libres de crisis tras la cirugia, y otro paciente mejoro mas de un 90%. El tiempo medio de seguimiento fue de 13 años. Como complicaciones, una paciente sufrio una meningitis bacteriana sin secuelas posteriores. A los seis años de la cirugia, un paciente presento una hidrocefalia que requirio la implantacion de una valvula de derivacion ventriculoperitoneal. Conclusiones. La hemisferectomia funcional constituye un procedimiento quirurgico eficaz para el tratamiento de pacientes con epilepsia farmacorresistente, patologia hemisferica extensa y crisis limitadas a ese hemisferio. Hay complicaciones que pueden aparecer tardiamente, por lo que se aconseja un seguimiento a largo plazo de estos pacientes.

journal_name

Rev Neurol

journal_title

Revista de neurologia

authors

Rodriguez-Osorio X,Lopez-Gonzalez FJ,Eiris-Punal J,Frieiro-Dantas C,Gomez-Lado C,Peleteiro-Fernandez M,Prieto-Gonzalez A

subject

Has Abstract

pub_date

2018-03-01 00:00:00

pages

147-153

issue

5

eissn

0210-0010

issn

1576-6578

pii

rn2016307

journal_volume

66

pub_type

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