The integrated care approach has been a focal point o f interest for the past few years. In this approach, noise is viewed as a compromising element in the normal development o f newborns in neonatal intensive care units. The objective o f this study was to develop a methodology that could evaluate the impact o f a training program designed for nurses regarding existing noise levels within a neonatal intensive unit. This method entails measurements o f noise levels and their sources. The method's development was based on a continuous evaluation of noise levels in a neonatal intensive care unit (NICU), using a computer (type 1 sound-level metre) before the nurses' training. In order to evaluate the impact of the nurses' training, noise level measurements obtained before training at described locations are to be repeated after training. LAeq, 1 sec, as well as audio samples were recorded throughout 8 work shifts. The project was conducted in an Ottawa regional hospital that specializes in the treatment of sick children. The average pre-training noise levels were 53 dBA, 61 dBA and 65 dBA, for the night, day, and evening shifts respectively. These levels largely exceed the maximum sound level o f 40 dBA recommended by the World Health Organization to avoid negative effects on sleep in hospitals. On the basis of this study, the training of nurses likely contributes to the reduction of noise levels in NICUs, but interventions concerning noise control are also necessary in order to ensure an acceptable sound environment for neonates requiring intensive care. (Project supported by the University of Ottawa) SOMMAIREAu cours des dernières années, l'approche de soins intégrés a retenu l'attention. Entre autres, le bruit est considéré comme un élément qui peut compromettre le développement normal des nouveau-nés dans les unités de soins intensifs (NICU). L'objectif de cette étude était de développer une méthodologie qui permettrait d'évaluer éventuellement l'impact d'une formation des infirmières sur les niveaux de bruit prévalant dans les unités de soins intensifs. La méthode porte sur les mesures de bruit et leur source. L'élaboration de la méthode a été basée sur une évaluation continue des niveaux de bruit dans un NICU, avant la formation des infirmières, en utilisant un ordinateur (sonomètre, classe 1). Dans le but d'évaluer l'impact d'une formation des infirmières, les mesures des niveaux de bruit obtenus avant la formation devront être reprises après la formation. Des LAeq, 1sec., ainsi que des échantillons audionumériques, ont été enregistrés lors de 8 périodes de travail. Le projet a été mené dans un hôpital pédiatrique de la région d'Ottawa. Les niveaux moyens de bruit pré-formation étaient de 53 dBA, 61 dBA et 65 dBA, pour la nuit, le jour et la soirée, respectivement. Ces niveaux dépassent largement le maximum de 40 dBA recommandé par l'Organisation Mondiale de la Santé afin d'éviter les effets négatifs sur le sommeil. Sur la base de cette étude, il est prévu que la formation des infirmières devrait con...
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