Recommended Permissible Noise Criteria for Occupied, Newly Constructed or Renovated Hospital Nurseries

Philbin, M. Kathleen; Robertson, Alex; Hall, James W.

doi:10.1097/01.anc.0000337267.47599.80

Cited by 34 publications

(38 citation statements)

References 33 publications

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“…6,7,21,22 To achieve these goals, assessment of the 'quality' of the sound may be as important as the measured sound pressure. The perception of loudness not only involves the decibel measurements of the sound, but also the difference from baseline, the frequency (for example, Fletcher Munson curve) and duration.…”

Section: Resultsmentioning

confidence: 99%

Comparing sound measurements in the single-family room with open-unit design neonatal intensive care unit: the impact of equipment noise

Liu

2011

J Perinatol

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Objective: To determine if measured sound levels in the occupied level 3 single-family room (SFR) neonatal intensive care unit (NICU) will be significantly and perceptibly different from the occupied level 3 open-unit (OU) NICU.Study Design: Case-control. Comparison of sound measurements obtained with varying types of respiratory support in SFR unit with measurements obtained from OU level 3 bedside NICU.Result: SFR sound measurements were quieter and less loud compared with the open unit, except when high-frequency ventilation (HFV) was used. Conclusion:The SFR level 3 NICU is a quieter, less loud environment compared with the open unit level 3 Bedside NICU when the patient is supported on room air, high flow nasal cannula, bubble continuous positive airway pressure and conventional ventilation. High HFV will result in similar measurements to the open unit level 3 bedside NICU.

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Section: Resultsmentioning

confidence: 99%

Comparing sound measurements in the single-family room with open-unit design neonatal intensive care unit: the impact of equipment noise

Liu

2011

J Perinatol

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“…[17][18][19] However, this is the first study to break down the types of sounds to which preterm infants are exposed while being cared for in the NICU. These data reveal the dearth of language that very preterm infants are exposed to during a critical time in their early development.…”

Section: Discussionmentioning

confidence: 99%

Importance of Parent Talk on the Development of Preterm Infant Vocalizations

et al. 2011

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WHAT'S KNOWN ON THIS SUBJECT:It is known that adult language input is important to healthy language development and that preterm infants are at risk for language delay. WHAT THIS STUDY ADDS:This is the first study to provide evidence that very preterm infants begin making vocalizations as early as 8 weeks before their projected due date and make significantly more vocalizations when a parent is present in the NICU. abstract OBJECTIVE: To determine the sound environment of preterm infants cared for in the NICU and to test the hypothesis that infants exposed to more adult language will make more vocalizations. METHODS:This was a prospective cohort study of 36 infants who had a birth weight of Յ1250 g. Sixteen-hour recordings of the infant sound environment were made in the NICU from a digital language processor at 32 and 36 weeks' postmenstrual age. Adult word counts, infant vocalizations, and conversational turns were analyzed. RESULTS:Infant vocalizations are present as early as 32 weeks. Both adult word counts per hour and infant vocalizations per hour increase significantly between 32 and 36 weeks. Infant exposure to language as a percentage of time was small but increased significantly. When a parent was present, infants had significantly more conversational turns per hour than when a parent was not present at both 32 and 36 weeks (P Ͻ .0001). CONCLUSIONS:Preterm infants begin to make vocalizations at least 8 weeks before their projected due date and significantly increase their number of vocalizations over time. Although infant exposure to language increased over time, adult language accounted for only a small percentage of the sounds to which an infant is exposed in the NICU. Exposure to parental talk was a significantly stronger predictor of infant vocalizations at 32 weeks and conversational turns at 32 and 36 weeks than language from other adults. These findings highlight the powerful impact that parent talk has on the appearance and increment of vocalizations in preterm infants in the NICU. Pediatrics 2011;128: 910-916

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“…20,23,34 A 24-h measurement period provided a sampling time period to incorporate the usual variations in unit noise due to rounds, staff rotation, admissions and parent visitation. Bi-weekly measurements were obtained, with selection of the day of the week based on convenience.…”

Section: Sound Measurementmentioning

confidence: 99%

The impact of a noise reduction quality improvement project upon sound levels in the open-unit-design neonatal intensive care unit

Liu

2009

J Perinatol

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Recommended Permissible Noise Criteria for Occupied, Newly Constructed or Renovated Hospital Nurseries

Abstract: The permissible noise criteria will protect sleep, support stable vital signs, and improve speech intelligibility for many infants most of the time.

Cited by 34 publications

References 33 publications

Comparing sound measurements in the single-family room with open-unit design neonatal intensive care unit: the impact of equipment noise

Comparing sound measurements in the single-family room with open-unit design neonatal intensive care unit: the impact of equipment noise

Importance of Parent Talk on the Development of Preterm Infant Vocalizations

The impact of a noise reduction quality improvement project upon sound levels in the open-unit-design neonatal intensive care unit

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