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  • Title: Noise levels in a neonatal transport incubator in medically configured aircraft.
    Author: Sittig SE, Nesbitt JC, Krageschmidt DA, Sobczak SC, Johnson RV.
    Journal: Int J Pediatr Otorhinolaryngol; 2011 Jan; 75(1):74-6. PubMed ID: 21074281.
    Abstract:
    OBJECTIVE: The purpose of this study was to evaluate exposure of neonates to noise during air medical transport as few commercially available hearing protective devices exist for premature newborns during air medical transport. METHODS: Sound pressure levels in an infant incubator during actual flight conditions in four common medically configured aircraft were measured. Three noise dosimeters measured time-weighted average noise exposure during flight in each aircraft. One dosimeter was placed in the infant incubator, and the remaining dosimeters recorded noise levels in various parts of the aircraft cabin. RESULTS: The incubator provided a 6-dBA decrease in noise exposure from that in the crew cabin. The average noise level in the incubator in all aircraft was close to 80 dB, much higher than the proposed limits of 45 dB for neonatal intensive care unit noise exposure or 60 dB during transport. CONCLUSIONS: Exposure of neonates to elevated noise levels during transport may be harmful, and steps should be taken to protect the hearing of this patient population.
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