• Ricardo Mora, Luis Ibarra, Valentina Olivera, Melania Rosas, Lucía Cibils, Federico Baltar, Victoria Ruiz, Emilio Turcatti, Gonzalo Costa, Santiago Mansilla, Alfredo Cerisola, and Gabriel González.
• Cátedra de Neuropediatría, Facultad de Medicina, Universidad de la República, Centro Hospitalario Pereira Rossell, Montevideo, Uruguay. E-mail: morasalasricardo@gmail.com.
• Medicina (B Aires). 2023 Sep 1; 83 Suppl 4: 9510195-101.

IntroductionCerebral venous sinus thrombosis (CVST) is a well-known, although underestimated, cause of stroke in childhood. Its diagnosis requires a high index of suspicion, a correct interpretation of neuroimaging studies and an interrelation between clinicians and radiologists. The clinical features, risk factors and neuroimaging of children under 15 years of age with CVST were analyzed.Methodsmulticenter, retrospective, descriptive, study of a consecutive series of cases of children under 15 years of age, who were admitted due to CVST between January 1st, 2010, and March 1st, 2022.ResultsThe study included 51 patients: 39% with acute symptoms and 59% with subacute symptoms. Newborns predominantly presented encephalopathic symptoms and seizures, while children exhibited signs of intracranial hypertension (ICH). Risk factors were identified in 90% of the cases. Magnetic resonance with angiography in venous time confirmed the diagnosis in 80% of the patients, with the straight sinus being the most affected in newborns and the lateral sinus in children. Hemorrhagic complications were found in 30.5%, being more frequent in newborns. Anticoagulation was initiated in 82% without complications. Sequelae were present in 44.4% of newborns and 37.9% of children, being more frequent and severe in newborns.ConclusionsTo make an early diagnosis, it is essential to consider CVST in newborns with encephalopathic symptoms and/or seizures, and in children with signs of ICH in the presence of predisposing or triggering conditions.

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