Department of Anesthesiology, University of Kansas Medical Center, Kansas City, Kansas, USA.
Department of Biostatistics, University of Kansas Medical Center, Kansas City, Kansas, USA.
Int J Obstet Anesth. 2021 Nov;48:103211. doi: 10.1016/j.ijoa.2021.103211. Epub 2021 Aug 14.
Excessive noise has negative implications for both clinicians and patients. Emergency cesarean deliveries require rapid co-ordination and communication, possibly increasing noise pollution. We aimed to determine if noise levels in the Labor and Delivery operating room were higher during emergency cesarean deliveries than during non-emergency cesarean deliveries.
We conducted a prospective observational study measuring noise levels in Labor and Delivery operating rooms at a single academic medical center. Sound meters placed on anesthesia machines and events charted in the electronic medical record were used to correlate noise levels to clinical activity. Noise levels in all cesarean deliveries were recorded for one year. Deliveries were classified into two groups: non-emergency (routine or urgent) and emergency. We compared noise levels of the groups at eight time points of interest: anesthesia provider enters operating room (T1), induction (T2), five minutes before incision (T3), three minutes before incision (T4), one minute before incision (T5), time of incision (T6), delivery (T7), and five minutes before initiating emergence (T8).
Noise levels were measured for 440 cesarean deliveries. Forty were classified emergency and 400 non-emergency (304 routine, 96 urgent) procedures. Emergency cesarean deliveries were noisier at all eight time points, although the absolute difference in decibels between the two groups was modest. The difference in noise level reached statistical significance at five time points (T1, T2, T5, T6, and T7).
Noise levels were higher during emergency than during non-emergency cesarean deliveries.
过度的噪音对临床医生和患者都有负面影响。紧急剖宫产需要快速协调和沟通，这可能会增加噪音污染。我们旨在确定在妇产科手术室中，紧急剖宫产的噪音水平是否高于非紧急剖宫产。
我们在一家学术医疗中心进行了一项前瞻性观察研究，测量妇产科手术室的噪音水平。放置在麻醉机上的声级计和电子病历中记录的事件被用来将噪音水平与临床活动相关联。所有剖宫产的噪音水平都记录了一年。分娩分为两组：非紧急（常规或紧急）和紧急。我们比较了两组在八个感兴趣的时间点的噪音水平：麻醉师进入手术室（T1）、诱导（T2）、切开前五分钟（T3）、切开前三分钟（T4）、切开前一分钟（T5）、切开时间（T6）、分娩（T7）和开始苏醒前五分钟（T8）。
对 440 例剖宫产进行了噪音水平测量。40 例被归类为紧急，400 例为非紧急（304 例常规，96 例紧急）。在所有八个时间点，紧急剖宫产的噪音水平都更高，尽管两组之间的分贝差异不大。在五个时间点（T1、T2、T5、T6 和 T7），噪音水平的差异达到了统计学意义。
与非紧急剖宫产相比，紧急剖宫产的噪音水平更高。
