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Introduction and objective Arachnoid cysts (ACs) are relatively frequent lesions related to different neurological symptoms, being mostly incidentally diagnosed. This study aims to clarify whether AC surgery in epileptic patients is useful in their treatment. Material and methods The patients registered in the database of the Neuropediatrics Section from May 1990 to August 2019 are analyzed retrospectively. Patients in whom the diagnosis of ACs and epilepsy coincide are studied. The location, size and number of ACs, neurological development, age at diagnosis, follow-up time, the performance of surgery on the cyst, evolution, anatomical relationship between brain electrical activity and location of AC, and type of epilepsy are analyzed. Results After analyzing the database, we found 1881 patients diagnosed with epilepsy, of which 25 had at least one intracranial AC. In 9 of the patients, cerebral or genetic pathologies were the cause of epilepsy. Of the other 16, only 2 patients showed that the type of epilepsy and the epileptogenic focus coincided with the location of the AC; one of them was surgically treated without success, and the other one remained asymptomatic without receiving medical or surgical treatment. Conclusions Although it is necessary to design a prospective study to establish causality, the results of our research and the available literature suggest that there is no causal relationship between the presence of ACs and epilepsy. The study and treatment of these patients should be carried out in a multidisciplinary epilepsy surgery unit, without initially assuming that the AC is the cause of epilepsy.

The fusion of the upper cervical spine in children is demanding due to its reduced size, its anatomical complexity, or a severe pathology of the cranio-cervical junction. In some pediatric patients with today’s more popular C1–C2 or, occipito-C2 techniques, it is impossible, or very risky to perform a short upper cervical fixation. We present the utility and good results of ipsilateral laminar C2 screws insertion technique in two pediatric cases with low C2 laminar profile. Case 1: a 5-year-old child with a C1–C2 unstable subluxation, and a condylar assimilation of C1, where we performed an occipito-C2 fixation using an occipital plate and this modified translaminar C2 screw technique. Case 2: a 8-year-old Down syndrome boy who suffered an unstable subluxation of C1–C2 upon whom we performed a C1–C2 screw fixation using the same technique. Both cases have been followed up over a period of 7 and 2 years respectively, with good clinical results. We describe the technique and the feasibility of the ipsilateral insertion of translaminar C2 screws in children with low laminar profiles, as a good alternative to other techniques when the anatomy of the C2 does not permit its use or make them very risky.

Transporte neonatal; Transporte intraútero; Recién nacido de alto riesgo In utero transport; Neonatal transport; High risk newborn Transport neonatal; Transport intraúter; Nounat de risc alt The first hours of life of a sick or premature newborn are crucial for its prognosis and therefore delivery should take place in a center prepared for that degree of complexity. When this condition is not met, the newborn must be transferred in an optimal and safe way to the center that can offer the necessary care. The training, staffing, organization and coordination of the neonatal transport team are essential to guarantee a safe transfer. Being aware of the interest and the advances that are currently taking place in this area of ​​pediatrics, the Standards Commission and the Neonatal Transport Commission of the Spanish Society of Neonatology have prepared this document. In it, both the provision of human and material resources necessary as well as the bases of clinical stabilization in transport to carry out the neonatal transfer in a safe way and proportionate to the needs of the critical newborn have been exhaustively reviewed and detailed. Las primeras horas de vida de un recién nacido enfermo o prematuro son cruciales para su pronóstico y por lo tanto el parto debería acontecer en un centro preparado para ese grado de complejidad. Cuando no se cumple esta condición, el recién nacido debe ser trasladado de un modo óptimo y seguro al centro que pueda ofrecerle los cuidados necesarios. La formación, dotación, organización y coordinación del equipo de transporte neonatal son indispensables para garantizar un traslado en condiciones. Siendo conscientes del interés y los avances que en la actualidad se están produciendo en esta área de la pediatría, la Comisión de Estándares y la Comisión de Transporte Neonatal de la Sociedad Española de Neonatología han elaborado el presente documento. En él, se ha revisado y detallado de forma exhaustiva tanto la dotación de recursos humanos y materiales necesarios como las bases de la estabilización clínica en transporte para llevar a cabo el traslado neonatal de forma segura y proporcionada a las necesidades del recién nacido crítico.