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1.
Chinese Journal of Contemporary Pediatrics ; (12): 1259-1263, 2016.
Artigo em Chinês | WPRIM | ID: wpr-340529

RESUMO

<p><b>OBJECTIVE</b>To investigate the risk factors for recurrent wheezing in infants and young children suffering from dust mite allergy after their first wheezing.</p><p><b>METHODS</b>A total of 1 236 infants and young children who experienced a first wheezing episode and were hospitalized between August 2014 and February 2015 were enrolled, among whom 387 were allergic to dust mites. These infants and young children were followed up to 1 year after discharge. A total of 67 infants and young children who experienced 3 or more recurrent wheezing episodes within 1 year were enrolled as the recurrent wheezing group, while 84 infants and young children who did not experience recurrent wheezing during follow-up were enrolled as the control group. Univariate analysis and multivariate logistic stepwise regression analysis were performed to investigate the risk factors for recurrent wheezing in these patients.</p><p><b>RESULTS</b>The univariate analysis showed that the age on admission, wheezing time before admission, Mycoplasma pneumoniae infection rate, and influenza virus infection rate were associated with recurrent wheezing. The multivariate logistic stepwise regression analysis showed that the older age on admission (OR=2.21, P=0.04) and Mycoplasma pneumoniae infection (OR=3.54, P=0.001) were independent risk factors for recurrent wheezing.</p><p><b>CONCLUSIONS</b>Infants and young children who are allergic to dust mites, especially young children, have a significantly increased risk of recurrent wheezing if they are complicated by Mycoplasma pneumoniae infection during the first wheezing episode.</p>


Assuntos
Animais , Pré-Escolar , Feminino , Humanos , Lactente , Masculino , Hipersensibilidade , Modelos Logísticos , Pyroglyphidae , Alergia e Imunologia , Recidiva , Sons Respiratórios , Fatores de Risco
2.
Chinese Journal of Contemporary Pediatrics ; (12): 637-641, 2008.
Artigo em Chinês | WPRIM | ID: wpr-317372

RESUMO

<p><b>OBJECTIVE</b>To study the value of measuring electrical discharge of external oblique in assessment of young rat model of visceral hypersensitivity.</p><p><b>METHODS</b>Eight-day-old neonatal Sprague-Dawley rats were randomly assigned to two groups: an experimental group and a control group (n=16 each). Rats in the experimental group were subjected to mechanical colorectal irritation daily for 7 consecutive days, while the rats in the control group did not received colorectal irritation treatment. On the 6th week of their lives, the spike amplitude of external oblique were measured to evaluate the bowel sensitivity.</p><p><b>RESULTS</b>When the colorectal distention (CRD) pressure was 30 and 45 mmHg, the 95% confidence interval of the spike amplitude in the experimental group was significantly higher than that in the control group (P<0.01). When the CRD pressure were 60 and 75 mmHg, the 95% confidence interval of the spike amplitude in female rats was significantly higher than that in males (P<0.05).</p><p><b>CONCLUSIONS</b>The electrical discharge of external oblique confirmed that chronic colorectal irritation in neonatal rats can result in a chronic visceral hypersensitivity in the juvenile stage, with gender differences. Electrophysiological assessment is a quantitative test, and can objectively reflect visceral sensibility of pain.</p>


Assuntos
Animais , Feminino , Masculino , Ratos , Colo , Modelos Animais de Doenças , Síndrome do Intestino Irritável , Ratos Sprague-Dawley , Reto , Reflexo , Fisiologia
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