OBJETIVO: comparar o desenvolvimento motor, na idade escolar, de crianças nascidas a termo e pré-termo. MÉTODOS: participaram do estudo dois grupos de crianças, com sete anos de idade: a) grupo pré-termo com 35 crianças, de famílias de baixa renda, nascidas com idade gestacional <34 semanas e/ou peso ao nascimento <1500 g, e b) grupo controle com 35 crianças nascidas a termo, com idade, sexo e nível socioeconômico equivalente ao grupo pré-termo. Todas as crianças foram avaliadas com o teste Movement Assessment Battery for Children (M-ABC). RESULTADOS: o teste de Wilcoxon indicou diferença significativa entre os grupos no escore total (Z=-4,866, p<0,001) e nas subáreas do M-ABC, com pior desempenho no grupo pré-termo. CONCLUSÃO: 57% das crianças do grupo pré-termo apresentaram sinais de transtorno da coordenação, o que ressalta a importância do acompanhamento do desenvolvimento até a idade escolar.
BackgroundThe effects of non-invasive ventilation (NIV) on the breathing pattern and thoracoabdominal motion of patients with amyotrophic lateral sclerosis (ALS) are unknown.Objectives1) To analyze the influence of NIV on chest wall volumes and motion assessed by optoelectronic plethysmography in ALS patients and 2) to compare these parameters in the supine and sitting positions to those of healthy individuals (without NIV).MethodNine ALS patients were evaluated in the supine position using NIV. In addition, the ALS patients and nine healthy individuals were evaluated in both sitting and supine positions. Statistical analysis was performed using the paired Student t-test or Wilcoxon test and the Student t-test for independent samples or Mann-Whitney U test.ResultsChest wall volume increased significantly with NIV, mean volume=0.43 (SD=0.16)L versus 0.57 (SD=0.19)L (p=0.04). No significant changes were observed for the pulmonary rib cage, abdominal rib cage, or abdominal contribution. The index of the shortening velocity of the diaphragmatic muscle, mean=0.15 (SD=0.05)L/s versus 0.21 (SD=0.05)L/s (p<0.01), and abdominal muscles, mean=0.09 (SD=0.02)L/s versus 0.14 (SD=0.06)L/s (p<0.01), increased during NIV. Comparisons between the supine and sitting positions showed similar changes in chest wall motion in both groups. However, the ALS patients presented a significantly lower contribution of the abdomen in the supine position compared with the controls, mean=56 (SD=13) versus 69 (SD=10) (p=0.02).ConclusionsNIV improved chest wall volumes without changing the contribution of the chest wall compartment in ALS patients. In the supine position, ALS patients had a lower contribution of the abdomen, which may indicate early diaphragmatic dysfunction.
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