Antropometria e composição corporal de recém-nascidos pré-termo na idade gestacional e no peso equivalente ao termo
Palavras-chave:
Antropometria, Composição corporal, Prematuro, Recém-nascidoResumo
Objetivo
Analisar o crescimento e a composição corporal de recém-nascidos pré-termo na idade gestacional corrigida de termo e ao alcançarem um peso entre 3,0 e 3,5 kg.
Métodos
Estudo longitudinal, realizado no Instituto Fernandes Figueira, Rio de Janeiro, com 39 recém-nascidos pré-termo e que apresentaram muito baixo peso ao nascer. Medidas antropométricas e água corporal total foram avaliadas no primeiro, no sétimo e no dia da recuperação do peso de nascimento, na idade gestacional corrigida do termo e em torno de três semanas de idade gestacional corrigida (correspondente ao tempo de vida para alcançar um peso entre 3,0 e 3,5 kg). O grupo de referência foi constituído por 32 recém-nascidos a termo, adequados para a idade gestacional, avaliados no segundo dia de vida. Considerou-se restrição de crescimento o escore-Z menor do que -2 para peso, comprimento e perímetro cefálico.
Resultados
Na idade de termo, 71,8% dos recém-nascidos pré-termo apresentaram restrição do crescimento para peso, 61,5% para comprimento e 25,6% para perímetro cefálico. Com três semanas de idade gestacional corrigida, esses recém-nascidos apresentaram a prega cutânea tricipital e a circunferência abdominal estatisticamente maiores que o grupo de referência enquanto o comprimento e a porcentagem de água corporal total foram menores.
Conclusão
Os recém-nascidos pré-termo apresentaram perfil antropométrico e de água corporal diferente dos recém-nascidos a termo, sugerindo acúmulo de gordura. Houve recuperação do crescimento entre a idade de termo e três semanas de idade corrigida, sendo mais evidente esse crescimento em relação ao perímetro cefálico e peso.
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Copyright (c) 2023 Letícia Duarte VILLELA, Fernanda Valente MENDES SOARES, Andrea Dunshee de ABRANCHES, Saint-Clair GOMES JUNIOR, Maria Dalva Barbosa Baker MÉIO, Maria Elisabeth Lopes MOREIRA
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