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Previous issue date: 2016-07-08 / BACKGROUND: The stable microbubbles test on the gastric aspirate has been used for the diagnosis of respiratory distress syndrome of the newborn. However, its use in the preterm newborn oral aspirate was not determined. OBJECTIVE: To evaluate the performance of the stable microbubbles test done on oral aspirate from preterm newborns to predict of respiratory distress syndrome. METHOD: In the study were included infants with gestational age < 34 weeks. Oral secretion sample was obtained immediately after birth and gastric secretion was collected within 30 minutes of life. The samples were frozen and tested within 72 hours. RESULTS: The sample was composed of paired secretion of 70 newborns. The median (interquartile range) of the stable microbubbles count in the oral samples of infants with respiratory distress syndrome was significantly lower than those who did not develop or had respiratory symptoms from other causes: 12 (8 - 22) versus 100 (48 - 230) versus 70 (44 - 208) (p <0.01). The correlation between microbubble count in gastric and bucal aspirates was 0.88 (95%CI: 0,72 ? 0,93; p <0.01). Taking a cut-off point of 15 microbubbles/mm2, the sensitivity of test was 95.4%, the specificity 66.7%, and the agreement of the oral fluid with the gastric fluid was 0.76. CONCLUSION: The study suggests that the stable microbubbles test in gastric aspirate made at birth is a reliable alternative to the gastric fluid in the prediction of respiratory distress syndrome of the newborn. / INTRODU??O: O teste das microbolhas est?veis no aspirado g?strico tem sido utilizado para o diagn?stico de s?ndrome do desconforto respirat?rio do rec?m-nascido. Entretanto, a sua utiliza??o no fluido bucal em rec?m-nascidos pr?-termo ainda n?o foi avaliada. OBJETIVO: Avaliar o desempenho do teste das microbolhas est?veis no aspirado bucal de neonatos pr?-termo para a predi??o da s?ndrome do desconforto respirat?rio. M?TODO: Foram inclu?dos no estudo, rec?m-nascidos com menos de 34 semanas de idade gestacional. A secre??o bucal foi obtida imediatamente ap?s o nascimento e a secre??o g?strica at? 30 minutos de vida. As amostras foram congeladas e testadas em at? 72 horas. RESULTADOS: A amostra foi constitu?da de secre??o pareada de 70 rec?m-nascidos. A mediana (amplitude interquartil) da contagem das microbolhas est?veis no fluido bucal dos rec?m-nascidos com s?ndrome do desconforto respirat?rio foi significativamente menor do que os que n?o desenvolveram ou dos tiveram sintomas respirat?rios por causas indeterminadas: 12 (8-22) versus 100 (48 - 230) versus 70 (44 - 208) (p<0,01), respectivamente. A correla??o entre o teste das microbolhas nos aspirados g?strico e bucal foi 0,88 (IC95%: 0,72 ? 0,93; p <0.01). O melhor ponto de corte para predizer a s?ndrome do desconforto respirat?rio foi 15 microbolhas/ mm2, apresentando sensibilidade de 95,4%, especificidade de 66,7% e concord?ncia com o aspirado g?strico de 0,76. CONCLUS?O: O estudo sugere que o teste das microbolhas est?veis no aspirado bucal ao nascimento ? uma alternativa confi?vel ao fluido g?strico na predi??o da s?ndrome do desconforto respirat?rio do rec?m-nascido.
| Identifer | oai:union.ndltd.org:IBICT/oai:tede2.pucrs.br:tede/6992 |
| Date | 08 July 2016 |
| Creators | Ribeiro, Manoel Antonio da Silva |
| Contributors | Fiori, Humberto Holmer, Fiori, Renato Machado |
| Publisher | Pontif?cia Universidade Cat?lica do Rio Grande do Sul, Programa de P?s-Gradua??o em Medicina/Pediatria e Sa?de da Crian?a, PUCRS, Brasil, Faculdade de Medicina |
| Source Sets | IBICT Brazilian ETDs |
| Language | Portuguese |
| Detected Language | Portuguese |
| Type | info:eu-repo/semantics/publishedVersion, info:eu-repo/semantics/doctoralThesis |
| Format | application/pdf |
| Source | reponame:Biblioteca Digital de Teses e Dissertações da PUC_RS, instname:Pontifícia Universidade Católica do Rio Grande do Sul, instacron:PUC_RS |
| Rights | info:eu-repo/semantics/openAccess |
| Relation | 3098206005268432148, 600, 600, 600, -8624664729441623247, -969369452308786627 |
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