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Doctoral Thesis
DOI
https://doi.org/10.11606/T.5.2012.tde-03092012-093812
Document
Author
Full name
Jadiane Dionisio
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2012
Supervisor
Committee
Krebs, Vera Lúcia Jornada (President)
Carvalho, Werther Brunow de
Casella, Erasmo Barbante
Johnston, Cíntia
Tudella, Eloisa
Title in Portuguese
Análise da força de preensão palmar em recém-nascidos pré-termo e de termo
Keywords in Portuguese
Atividade motora
Força da mão
Lateralidade funcional
Prematuro
Recém-nascido
Sistema nervoso central
Abstract in Portuguese
O objetivo do estudo foi descrever e comparar a força de preensão palmar em recém-nascidos de termo (RNT) e pré-termo tardios (RNPT) nas primeiras 72 horas de vida. A força de preensão palmar foi avaliada com o equipamento M-Flex®, sendo realizadas três medidas para cada mão em cada neonato entre 12-24h, 25-48h e 49-72 h de vida. Foi utilizado os testes t-Student e Anova two-way, considerando-se significante p<0,05. Foram estudados 306 recém-nascidos (219 RNT e 87 RNPT),divididos em três grupos. Os RNT apresentaram maior força de preensão quando comparados aos RNPT em cada idade:12-24h (t=4,64, p=0,00); 25-48h (t= 2,54, p=0,01, t=8,02, p=0,00); 49-72h (t=0,95, p=0,01, t= 1,84, p=0,06). O mesmo comportamento foi observado na comparação entre as três idades (força: F=2,67, p=0,00; tempo F=2,18, p=0,02). Na análise de cada grupo os RNT apresentaram maior força de preensão entre 49-72 h de vida, em relação à idade entre 12-24h (t=0,22, p=0,01) e 25-48h (t=0,06, p=0,001), enquanto os RNPT apresentaram diminuição da força (F=3,55, p=0,02) e do tempo (F=23,10, p=0,00) de preensão palmar entre 12 e 72 h. Os autores concluíram que houve aumento significativo da força de preensão palmar nas primeiras 72 horas de vida nos RNT. No entanto, os recém-nascidos pré-termo tardios apresentaram diminuição da força de preensão palmar. A variabilidade da força de preensão palmar observada na comparação entre os gêneros indica similaridade nesta faixa etária. Na comparação entre as mãos, direita e esquerda, não foi identificada preferência manual
Title in English
Analysis of the palmar grasping strength in preterm and full-term infants
Keywords in English
Central nervous system
Function laterality
Hand strength
Motor activity
Newborn
Preterm
Abstract in English
The objective of this study was to describe and compare the palmar grasping strength of full-term (FT) and late preterm (LPT) infants in the first 72 hours of life. The palmar grasping strength was assessed with the M-Flex ® equipment, where three measures were performed for each hand of each infant at ages 12-24 h 25-48 h and 49-72 h of life. The t-Student and two-way ANOVA was used, being considered significant at p <0.05. Overall, 306 infants (219 FT and 87 LPT) were studied, being divided into three groups. FT infants had higher grasping strength and time when compared to LPT infants at the following ages: 12-24h (t = 4.64, p = 0.00), 25-48h (t = 2.54, p = 0.01, t = 8.02, p = 0.00), 49-72h (t = 0.95, p = 0.01, t = 1.84, p = 0.06). The same behavior was observed in the comparison between the three ages (strength: t = 2.67, p = 0.00; time t = 2.18, p = 0.02). In the analysis of each group, FT infants had higher grasping strength between 49 and 72 hours of life when compared to the age between 12 and 24h (t = 0.22, p = 0.01) and between 25 and 48 h (t = 0.06, p = 0.001), while LPT infants showed reduced palmar grasping strength (F = 3.55, p = 0.02) and time (F = 23.10, p = 0.00) between 12 and 72 h. The authors concluded that there was significant increase in the palmar grasping strength in the first 72 hours of life for FT infants. However, late preterm infants showed lower palmar grasping strength. The variability in the palmar grasping strength observed in the comparison between genders indicates similarity in this age group. In the comparison between right and left hands, no manual preference was identified
 
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Publishing Date
2012-09-05
 
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