Hemiparetic cerebral palsy: Etiological risk factors and neuroimaging

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Abstract

The purpose of this paper, which was conducted on 175 children with hemiparetic cerebral palsy (H-CP), was to verify the etiological risk period for this disease. Etiological risk factors (ERF) were detected through anamnesis: 23% in the prenatal period, 18% in the perinatal period and 59% of the patients the period was undefined (ERF in the prenatal and perinatal period was 41% and no ERF was 18% of the cases. The computerized tomographic scan (CT) and MRI were performed on all the patients, who were then classified according to their etiopathogenic data: CT1 = normal (18%); CT 2= unilateral ventricular enlargement (25%); CT 3 = cortical/ subcortical cavities (28%); CT4= hemispheric atrophy and other findings (14%); CT 5 = malformations (15%). CT 5 was associated with physical malformations beyond the central nervous system and with prenatal ERF's , while CT 2 was associated with the perinatal ERF's, mainly in premature births. Magnetic resonance imaging was performed on 57 patients and demonstrated a good degree of concordance with the CT. Etiology remained undefined in only 37% of the cases after neuroimaging was related to ERF. A high perinatal RF frequency (59%) was observed and emphasized the need for special care during this period.

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Piovesana, A. M. S. G., De Moura-Ribeiro, M. V. L., De Araújo Zanardi, V., & Gonçalves, V. M. G. (2001). Hemiparetic cerebral palsy: Etiological risk factors and neuroimaging. Arquivos de Neuro-Psiquiatria, 59(1), 29–34. https://doi.org/10.1590/S0004-282X2001000100007

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