• Braz J Otorhinolaryngol · Nov 2009

    Noise assessment in intensive care units.

    • Ivan Senis Cardoso Macedo, Daniela Cunha Mateus, Eduardo De Martin Guedes C Costa, Ana Cristina Lanfranchi Asprino, and Edmir Américo Lourenço.
    • Jundiai Medical School, São Paulo.
    • Braz J Otorhinolaryngol. 2009 Nov 1;75(6):844-6.

    UnlabelledIntensive Care Units are environments with numerous noise sources. In different hospital environments it is recommended to have a sound pressure level between 35 and 45db(A).AimTo measure the sound pressure levels in three ICU at a hospital in Jundiaí, State of São Paulo, Brazil.Study DesignObservational.Materials And Methodswe used a Minipa model MSL1532C (USA) sound meter, according to the Brazilian Technical Standards (NBR 10151), in order to measure sound levels in the ICUs at different moments, that is, the morning, afternoon and night at peak times of activity.ResultsThe values found during the checking of the sound pressure levels were 64.1dB (A) in the First ICU, 58.9 dB (A) in the Coronary Unit and 64dB (A) in the second ICU.ConclusionHigh sound pressure levels in ICU still mean an important health-related problem for patients in these units. None of the three ICU pad levels above 85dB, showing that there is no occupational risk for the health care teams in the environments studied.

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