Effect of "quiet time" to reduce noise at the neonatal intensive care unit

Santos, Bruna Ribeiro dos; Orsi, Kelly Cristina Sbampato Calado; Balieiro, Maria Magda Ferreira Gomes; Sato, Mariana Rillo; Kakehashi, Tereza Yoshiko; Pinheiro, Eliana Moreira

doi:10.5935/1414-8145.20150014

Cited by 14 publications

(16 citation statements)

References 11 publications

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“…Concerning the suggestions about the stressors, the noise reduction was the main strategy pointed out by the professionals participating in the research. Based on the observation of the adverse effects of high noise levels associated with the neonatal intensive care unit's environment on hospitalized newborns and in order to improve neonatal care, measures such as architectural changes, use of less noisy equipment and the implementation of "sleep time", which is a period of silence, in which it is intended to maintain noise levels within national and international recommendations (16) .…”

Section: Discussionmentioning

confidence: 99%

Stressors in patients of neonatal intensive care unit

et al. 2018

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Objective: to analyze the stressors on patients in neonatal intensive care unit. Methods: a cross-sectional study, develop in a reference public maternity hospital, with 60 nursing professionals who cared for the 24 hospitalized newborn babies. For data collected, a sociodemographic questionnaire and the Stressor Scale in Intensive Care Units were used to identify the stressors. A value of p<0.05 was used for the tests. Results: of the total of professionals, 18 (30.0%) were nurses. Most of the newborns were premature-moderate, with hospitalization time between eight and 15 days. Being punctured by needles was the most stressful factor and silencing alarms the main action mentioned as a strategy to reduce stressors. Conclusion: the 15 stressors evaluated presented high mean scores, showing that neonatal intensive care unit is an environment that varies between stressful and very stressful for newborns.

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Section: Discussionmentioning

confidence: 99%

Stressors in patients of neonatal intensive care unit

et al. 2018

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“…Although the noise level inside the incubator was not measured in this study, recent research, which aimed to compare the SPL inside the incubators in the neonatal intensive care unit of a university hospital, identified a reduction of up to 21.2 dB SPL during the quiet time. The researchers stated that during the quiet time, the SPL remained within the limits of up to 60 dB, as recommended by the Brazilian National Standards Organization ( Associação Brasileira de Normas Técnicas [ABNT]; Santos, Orsi, et al, 2015). The hypothesis of this study was that the reduction of SPL and the environmental management of the neonatal units during the quiet time associated with the use of the ear protectors could increase the total sleep time of preterm infants.…”

Section: Discussionmentioning

confidence: 99%

“…To provide for the proper development of hospitalized infants, several researchers have analyzed the actions implemented to preserve sleep and rest (Als & McAnulty, 2011; McGrath, 2007; Strauch, Brandt, & Edwards-Beckett, 1993). The “quiet time” is an intervention practiced by institutes to increase neonatal sleep time through reductions in ambient lighting and noise levels inside the room, as well as in the handling of newborns by health professionals (Santos, Orsi, et al, 2015; Strauch et al, 1993).…”

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confidence: 99%

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Influence of Ear Protectors on the Sleep of Preterm Newborns: A Randomized Controlled Clinical Study

et al. 2018

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The purpose of this study was to compare the effect of ear protectors on the sleep of preterm newborns during the “quiet” times in intermediate care nursery. This was a clinical, randomized, controlled crossover study conducted in two neonatal units in São Paulo, Brazil. The sample consisted of preterm infants who met the inclusion and exclusion criteria for the study. Polysomnography and unstructured observation were used for data collection. Twenty-four preterm infants with a mean gestational age of 33.2 weeks and current weight of 1.747 g were analyzed. There was no significant difference in the total sleep time of preterm infants with and without the use of ear protectors. Newborns with lower gestational age showed a significant reduction in total sleep time with the use of ear protectors ( p < .05). The use of ear protection did not increase the total sleep time for preterm infants.

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“…(9) A study evaluating the modifications of noise level in the NICU in two wards (A and B) before and after the "quiet hour" showed that prior to the intervention in both wards, noise exceeded 70 dB and after the quiet hour the noise level dropped close to 20 dB in both wards; although the authors express that only during the quiet period was said reduction observed. It should be highlighted that for measurements inside the incubators, the microphone of the sound level meter was placed 20 cm from the neonate's pinna, given that it is the distance at which the neonate perceives better, (10) a criterion considered for application in the present study with the difference that it was carried out in preterm infants in servo cradles.…”

Section: Introduction Pmentioning

confidence: 99%

Level and Noise Sources in the Neonatal Intensive Care Unit of a Reference Hospital

Hernández-Salazar

Gallegos-Martínez

Reyes-Hernández

2020

invest. educ. enferm

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Objective. Determine the level of environmental and periauricular noise in preterm babies and identify the sources generating noise in the Neonatal Intensive Care Unit -NICU- of a reference hospital in San Luis Potosí, Mexico. Methods. Cross-sectional and analytic study of the measurement of the level of environmental noise in five critical areas of the NICU, according with the method of measurement of noise from fixed sources by the Mexican Official Norm and periauricular at 20 cm from the preterm patient’s pinna. The measurements were carried out during three representative days of a week,morning, evening and nocturnal shifts. A STEREN 400 sound level meter was used with 30 to 130 dB range of measurement and a rate of 0.5 s. Results. The average level of periauricular noise (64.5±1.91dB) was higher than the environmental noise (63.3±1.74 dB) during the days and shifts evaluated. The principal noise sources were activities carried out by the staff, like the nursing change of shift and conversations by the staff, which raised the level continuously or intermittently, operation of vital support equipment (alarms) and incidences (clashing of baby bottles and moving furnishings) producedsudden rises of noise. Conclusions. Environmental and periauricular noise in NICU exceeds by two and almost three times the 45 dB during the day and 35 dB at night from the norm in hospitals. It is necessary to implement permanent noise reduction programs to prevent sequelae in the preterm infant and professional burnout in the nursing staff.

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Effect of "quiet time" to reduce noise at the neonatal intensive care unit

Cited by 14 publications

References 11 publications

Stressors in patients of neonatal intensive care unit

Stressors in patients of neonatal intensive care unit

Influence of Ear Protectors on the Sleep of Preterm Newborns: A Randomized Controlled Clinical Study

Level and Noise Sources in the Neonatal Intensive Care Unit of a Reference Hospital

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