Introduction: Although multiple neurologic manifestations associated with SARS-CoV-2 infection have been described in adults, there is little information about those presented in children. Here, we described neurologic manifestations associated with COVID-19 in the pediatric population. Methods: Retrospective case series report. We included patients younger than 18 years, admitted with confirmed SARS-CoV-2 infection and neurologic manifestations at our hospital in Santiago, Chile. Demographics, clinical presentations, laboratory results, radiologic and neurophysiological studies, treatment, and outcome features were described. Cases were described based on whether they presented with predominantly central or peripheral neurologic involvement. Results: Thirteen of 90 (14.4%) patients admitted with confirmed infection presented with new-onset neurologic symptoms and 4 patients showed epilepsy exacerbation. Neurologic manifestations ranged from mild (headache, muscle weakness, anosmia, ageusia), to severe (status epilepticus, Guillain-Barré syndrome, encephalopathy, demyelinating events). Conclusions: We found a wide range of neurologic manifestations in children with confirmed SARS-CoV-2 infection. In general, neurologic symptoms were resolved as the systemic presentation subsided. It is essential to recognize and report the main neurologic manifestations related to this new infectious disease in the pediatric population. More evidence is needed to establish the specific causality of nervous system involvement.

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ObjectiveTo accurately categorize the phenotypes of individuals with collagen VI–related dystrophies (COL6-RDs) during the first years of life to predict long-term motor function and pulmonary function, to provide phenotype-specific anticipatory care, and to improve clinical trial readiness.MethodsThis retrospective, multicenter, international study analyzed the relationship of long-term motor and pulmonary function with the initial maximal motor ability achieved in individuals with COL6-RD.ResultsWe studied 119 patients with COL6-RD from Spain (n = 54) and the United States (n = 65). The early maximal motor milestones of ability to rise from the floor unassisted and ability to climb 4 steps without holding onto a railing demonstrated reliability in distinguishing between 3 COL6-RD phenotypic subgroups: (1) Ullrich congenital muscular dystrophy, (2) intermediate COL6-RD, and (3) Bethlem myopathy. Long-term motor function and pulmonary function are strongly correlated with the maximal motor ability achieved during the first years of life. Maximal motor capacity can predict other disease-relevant events such as the age at loss of ambulation and the need for the initiation of nocturnal noninvasive ventilation.ConclusionThis work proposes a prospective phenotypic classification for COL6-RDs that will enable an accurate prediction of a patient's COL6-RD phenotype during the first years of life. The ability to establish a patient's COL6-RD phenotypic classification early will enable a more accurate prognosis of future motor and pulmonary function, thus improving anticipatory clinical care, and it will be instrumental in aiding the design of future clinical trials by allowing early stratification of trial cohorts.

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