Resumen

PEREZ ORTIZ, Letier; ALVAREZ ARMAS, Abel; RODRIGUEZ RAMOS, Eglys  y  LAUD RODRIGUEZ, Leniel. Type I Chiari malformation in adults. A medico-surgical approach. Part I. Rev.Med.Electrón. [online]. 2017, vol.39, n.5, pp.1107-1116. ISSN 1684-1824.

The aim of this article is reviewing the existent literature on Type I Chiari malformation in adults and making emphasis in its imaging diagnosis and medico-surgical treatment. Chiari malformation is a few frequent diseases. It represents 1-4 % of all the neurosurgical diseases. The diagnosis is made months and even years after the beginning of the symptoms and it is confirmed by cranial magnetic resonance in the 100 % of the cases. The treatment is surgical in symptomatic patients, and it is controversial in the oligosymptomatic ones and in those with casual diagnosis. The surgery should be performed with the support of neurophysiological monitoring that might be determinant in the surgical technique to use. The mortality associated to the surgery is low, ranging from 0 and 0.5 % according to most of the series. The most important thing is the choice of the patients for the surgical treatment. The neurological deterioration should not be expected to justify the surgery; when the surgery is carried out on time the results are better and with the minimum of complications. 

Palabras clave : Chiari malformation; syringomyelia; posterior fossa malformations; suboccipital craniotomy; duroplastia.

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