children born prematurely and underweight are at risk in terms of vocabulary development; this determines the need for speech-therapy intervention programs.
BackgroundMany clinical and experimental studies have been done to analyze the anatomical and functional aspects of the internal auditory canal (IAC) in human beings since there are great inter-individual variability and structural variations that may occur regarding the other adjacent structures.ObjectivesThe purpose of this study was to characterize the morphology of the internal auditory canal (IAC) during development using high resolution computed tomography (CT) and to analyze its dimensions, which will be determined by measuring the nearby areas and structures using a system of digital image processing.Patients and MethodsCT images of the IAC of 110 normal subjects aged 1 to 92 years (mean age, 46.5 years) of both genders were reviewed to determine the shape, area, opening width (OW), longitudinal length (LL), vertical diameter (VD) and distance from the vestibular aqueduct.ResultsThe shapes observed in children and adults were funnel-shaped (74% and 58.3%, respectively), cylindrical (22% and 30.9%, respectively) and bud-shaped (4% and 10.8%, respectively). The measurements by CT in children were: area= 50.30 mm2, OW = 7.53 mm, length = 11.17 mm, VD = 4.82 mm and the distance between the IAC and the vestibular aqueduct (VA) = 12.63 mm. In adults, the measurements were: area = 44.64 mm2, OW = 7.10 mm, length = 9.84 mm, VD = 4.47 mm and the distance between IAC and VA = 11.17 mm.ConclusionsCT images showed that the IAC has different shapes and when the measurements obtained for children were compared with those of adults, the parameters that presented statistically significant differences in either gender were length and diameter.
Resumo:OBJETIVO:verificar a proporção de ocorrência de comportamentos nas áreas ("Motor Grosso", "Motor Fino-Adaptativo", "Pessoal Social" e "Linguagem") padronizados pelo Denver II, em crianças paulistanas e associar esta proporção com as variáveis sociodemográficas: idade e sexo da criança, idade gestacional, idade e escolaridade dos pais.MÉTODOS:utilizou-se 150 prontuários de crianças típicas avaliadas pelo teste, sendo selecionados três comportamentos por área, entre 24 e 60 meses, com ocorrência prevista entre 50% e 90%.RESULTADO:a maioria dos comportamentos coincidiu com as idades propostas e aos dois anos todos foram observados na proporção prevista. Nas demais idades houve maior adequação da área "Motor Grosso", seguida por "Motor Fino-Adaptativo", "Linguagem" e "Pessoal Social". Conforme o aumento da idade houve menor coincidência de comportamentos na "Linguagem" e "Motor Fino-Adaptativo".CONCLUSÃO:os comportamentos descritos no Denver II foram observados em proporção semelhante neste estudo, especialmente na área motora e aos dois anos, seguindo sucessivamente dos três aos cinco anos.
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