ArticleFrontiers in pediatrics2020
Influence of the NICU on the Acoustic Isolation of a Neonatal Incubator.
Article in Frontiers in pediatrics, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Respiratory sound analysis for ICU clinical decision support: deep learning-based classification of normal and abnormal sounds using real ICU data.BMC medical informatics and decision making · 2026Article
- Music-based research in neonatal intensive care units requires guidelines grounded in developmental neurology and responsive to the individual needs of preterm infants.Frontiers in psychology · 2026Article
- Assessing Noise Levels in a Mexican Neonatal Intensive Care Unit: Results From an Observational Study.Nursing research and practice · 2025Article
- Dynamic Schwarz Meta-Foams: Customizable Solutions for Environmental Noise Reduction.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2024Article
- Neonatal Care Unit Interventions on Preterm Development.Children (Basel, Switzerland) · 2023Review
- Neonatal warming devices: What can be recommended for low-resource settings when skin-to-skin care is not feasible?Frontiers in pediatrics · 2023Review
- Sensory Stimulation in the NICU Environment: Devices, Systems, and Procedures to Protect and Stimulate Premature Babies.Children (Basel, Switzerland) · 2021Review
- The Importance of Reverberation for the Design of Neonatal Incubators.Frontiers in pediatrics · 2021Article
Corrections and comments
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The neonatal intensive care unit (NICU) is a very noisy place as compared to the intrauterine environment. To protect the neonate's health, international guidelines suggest avoiding noise levels above 45 dB in NICUs, but this recommendation is not normally met. The incubator acoustic isolation and the acoustic features of the NICU play important roles in determining the noise measured inside the incubator. In this study, the influence of two types of rooms, one with sound-absorbent covering and the other with reverberant surfaces, on the acoustic isolation of a neonatal incubator was evaluated using three acoustic isolation indexes: the level difference, the apparent sound reduction index, and the standardized level difference. Results show that the acoustic isolation of the incubator is very poor, with a level difference below 11 dBA at all frequencies. At 62.5 Hz, the level difference measured in both rooms exhibits a negative value, indicating that the incubator amplifies the noise coming from the NICU. Isolation of the incubator is poor, and the reverberation time (RT) of the containing room influences RT of the incubator, which is consequently higher when the containing room is reverberant; for example, the incubator RT in the reverberant NICU is 0.72 s higher at 500 Hz than that in a room with sound-absorbent covering.
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