Neurocisticercosis en un hospital de la ciudad de Buenos Aires: estudio de once casos

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Abstract

Fueron examinados 11 pacientes adultos con el diagnostico presuntivo de neuro-cisticercosis, 8 de ellos provenientes de Bolivia y los restantes del interior de la Argentina. Como manifestacion clinica inicial el 82% de ellos mostro convulsiones y el 73% cefaleas. Ambas alteraciones podían estar combinadas en el mismo paciente o presentarse en forma independiente. La tomografia computada de cerebro evidencio calcificaciones y quistes en 5 enfermos, solo calcificaciones en 3, hidrocefalia en 2 y un unico quiste en 1. En 7 casos se efectuo ELISA en el LCR, de ellos 6 resultaron positivos. El tratamiento medico se hizo en base a la administración de praziquantel o albendazol con buena evolución de los pacientes en todos los casos. El tratamiento quirúrgico fue indicado solo en el caso en que una lesion actuase como masa ocupante con aumento de la presión endocraneana (1 caso) o produjera obstruccion de la circulacon del LCR llevando a una hidrocefalia (2 casos). El estudio presente pretende alertar sobre la posibilidad que nuevas regiones, como la Ciudad de Buenos Aires, puedan ingresar dentro del area endemica latinoamericana a consecuencia de los movimientos migratorios internos y externos y el asentamiento de portadores de la parasitosis en el perimetro urbano.

Translated abstract

Eleven patients with diagnosis of possible neurocistycercosis were studied in our Department since 1986. All of them were adults. Eight were Bolivian citizens. The commonest neurological clinical manifestation were seizures and/or headache. Brain CT scans showed cystic lesions and calcifications in 5 patients, only calcifications in 3, enlarged ventricles in 2 and an isolated frontal cystic lesion in 1. Six out of 7 patients who were submitted to spinal fluid ELISA test showed positive response for cysticercosis. Patients were put on praziquantel (50mg/Kg/d) or albendazol (15mg/Kg/d) with good outcome for all them. Surgery was carried on for treatment of enlarged ventricles (2 patients) and for a like-expansive lesion (1 patient). The aim of this work is to underscore the fact that in Buenos Aires city, which previously was not within the endemic latinamerican area for cysticercosis, is now possible to find patients with the neurological manifestations of this parasitosis, most probably due to migration of people coming from the north provinces or from countries situated at its border where the disease is endemic.

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Most cited references 5

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Neurocysticercosis in Mexico.

A Flisser (1988)

Cysticercosis is caused by the establishment of Taenia solium larvae (cysticerci), mainly in the central nervous system (CNS) and skeletal muscle of humans and pigs, after ingestion of eggs shed in human faeces by the adult tapeworm (see centrepage diagram). Human neurocysticercosis - often a life-threatening disease - is increasingly recognized as a public health problem, especially in developing countries. Clinical incidence of neurocysticercosis can reach 7% in Mexico and 18% in the Ekari population of New Guinea, while prevalence in autopsies ranges from 0.4% to 3.6% in several countries of Latin America, Asia and Africa. Many cases have also been recently reported in the USA, usually in immigrants. In this review, Ana Flisser focuses on the problems of cysticercosis in Mexico, where the disease is now recognized as a priority both in public health and economic terms. Recognition of the problem has been greatly aided in recent years by new developments in diagnosis - especially computed tomography (CT) to diagnose early stages of neurocysticercosis - and by improved drug treatment.