Abstract
O estudo verificou os níveis de pressão sonora no interior das incubadoras e na Unidade de Terapia Intensiva Neonatal, seis meses após a implementação de um programa educativo. Estudo quantitativo descritivo, realizado na Unidade de Terapia Intensiva Neonatal e no interior das incubadoras de um hospital. Foram registrados 151 horas e 30 minutos de níveis de pressão sonora da Unidade de Terapia Intensiva Neonatal e do interior da incubadora, em janeiro de 2009 e 2010. O maior e o menor Leq médios, antes do programa educativo na Unidade de Terapia Intensiva Neonatal foram 71,0 dBA e 59,0 dBA, respectivamente. Após a intervenção, registraram-se na Unidade de Terapia Intensiva Neonatal, Leq médio entre 80,4 e 52,6 dBA. Na incubadora, valores variaram de 79,2 a 40,0 dBA para 79,1 a 45,4dBA após a intervenção, permanecendo acima dos valores recomendados. Constatou-se que não houve redução do nível de pressão sonora após a intervenção. Sugerem-se estratégias para sensibilização da equipe, elaboração de guideline, mudanças arquitetônicas, e renovação e/ou manutenção preventiva de equipamentos.
Highlights
The advancement of technology used in delivery rooms and the Neonatal Intensive Care Unit (NICU) brought some equipments that inevitably produce noise
It was found that the highest value of mean Leq was 71.0 dB (A).21 The scale A (dBA), which was recorded on Saturday morning
Data from the present study found an increase in the values of sound pressure levels (SPL), in the NICU and inside the incubator, six months after the educational program implementation, it is not considered statistically significant
Summary
The advancement of technology used in delivery rooms and the Neonatal Intensive Care Unit (NICU) brought some equipments that inevitably produce noise. This noise may impact on newborns life quality and health, his family and health professionals. Noise is a disorganized sound in physiologically incompatible frequencies with the human ear. It can be defined as any sound provoking unexpected effects in people, negatively affecting their health. Any sound that exceeds 80 to 85 decibels (dB) can be considered as noise.[10]
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