The characterization of noise levels in a neonatal intensive care unit and the implications for noise management
The characterization of noise levels in a neonatal intensive care unit and the implications for noise management
复制标题
DOI：
10.1186/2052-336x-12-104
复制
发表时间：
2014-07-22
影响因子：
3.4
通讯作者：
Pedro Bolivar, Juan
中科院分区：
文献类型：
--
作者：
Carlos Fortes-Garrido, Juan;Mauricio Velez-Pereira, Andres;Pedro Bolivar, Juan
背景资料：噪声的影响是特别有害的新生儿，因此，本研究评估和特点的噪音水平在新生儿重症监护室（NICU）在一家中型医院在城市的韦尔瓦的目的是优化管理和护理质量的新生儿。方法：使用I型声级计将等效连续声级记录为A加权曲线，其中声级在沿着的100毫秒至15毫秒期间测量。在一家中型医院的重症监护室（孵化器内外）和中级监护室，这些设备被连接到一个中央梁80厘米以下的天花板和到incubators.Results之一：测量的最大噪声级的关键（C-输入），C（输出）和中间（I）是：88.8 dBA、97.2 dBA和92.4 dBA，而总测量期（15 d）的等效噪声级分别为57.0 dBA、63.7 dBA、和59.7dBA。傅立叶频率分析表明，几个典型的时期，工作活动和家庭访问，这是：7天，24小时，12小时，和3小时。结论：统计分析显示，噪声水平，护理室的种类，和一天中的时间之间有明显的相关性。结果表明，国际组织和机构（AAP，WHO）建议的值被大大超过，因此必须遵循某些规范，以降低NICU的噪音水平，通过物理改变布局，提高卫生保健人员和访客的意识，以鼓励在日常护理工作和谈话中预防噪音。最后，已经证明，通过应用t-Student检验，两个病房的平均噪声值是显著不同的，这导致我们声明，重症病房的噪声水平高于中级护理病房。
Background: The effects of noise are particularly harmful for the newborns, and therefore this study assesses and characterizes noise levels in a neonatal intensive care unit (NICU) in a medium-size hospital in the city of Huelva with the aim of optimizing the management and quality of care for newborns.Methods: The equivalent continuous sound level was recorded as A-weighting curves using Type I sound level meters with levels measured during 100 milliseconds along to 15-day period in the both critical (in and out of incubators), and intermediate care units from a medium-size hospital. These devices were attached to a central beam 80 cm below the ceiling and into one of the incubators.Results: The maximum noise levels measured for critical (C-in), C(out) and intermediate (I) were: 88.8 dBA, 97.2 dBA and 92.4 dBA, respectively, while for the equivalent noise levels for the total measuring period (15 d) were 57.0 dBA, 63.7 dBA, and 59.7 dBA, respectively. The Fourier frequency analysis has demonstrated several typical periods related to both work activities and family visit, which were: 7 days, 24 h, 12 h, and 3 h.Conclusions: The statistical analysis revealed a clear correlation between the noise level, the kind of care room, and the time of the day. The results show that the values recommended by international bodies and agencies (AAP, WHO) are surpassed by a large margin, thus making it crucial that certain norms are followed in order to reduce the noise level in the NICU, by means of physical alterations to the layout, and raising awareness of health care personnel and visitors in order to encourage noise prevention in the daily care work and conversation. And finally, has been demonstrated that by applying the t-Student test the mean noise values in both wards are significantly different, which leads us to state that the noise level for the critical wards are higher than in the intermediate care ward.