Transactions of the Korean Society for Noise and Vibration Engineering (한국소음진동공학회논문집)

The Korean Society for Noise and Vibration Engineering (한국소음진동공학회)
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The Research of Railway Noise through Auditory Experiments Focused on the Autonomic Nervous System and Cardiovascular System

청감실험을 통한 철도소음의 자율신경 및 심혈관계통 영향도 연구

  • Lee, Jae Kwan (Dept. of Energy Environment System Engineering, University of Seoul) ;
  • Yoon, Eun Sun (Dept. of Sports Science, University of Seoul) ;
  • Jang, Chae Mi (Dept. of Energy Environment System Engineering, University of Seoul) ;
  • Jae, Sae Young (Dept. of Sports Science, University of Seoul) ;
  • Chang, Seo-Il (Dept. of Environment Engineering, University of Seoul)
  • Received : 2016.06.28
  • Accepted : 2016.09.13
  • Published : 2016.11.20
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Abstract

According to the conventional studies on the noise and cardiovascular effect, railway noise is better associated with hypertension and adverse cardiovascular events than road traffic noise. But the underlying mechanisms remain unclear. We investigated the hypothesis that exposure to acute railway noise would the unfavorable effect of cardiovascular and autonomic system in healthy young subjects. Using a randomized, sham-controlled cross-over design, ten subjects were assigned to receive either an exposure to high speed train noise (84 dB) for 30 minutes or a control condition (non noise), separated by two days. Blood pressure, heart rate, augmentation index and heart rate variability as indices of cardiovascular and autonomic system function were measured at baseline, during, and recovery from two trials. The results show that exposure to acute railway noise significantly increased diastolic blood pressure and augmentation index, which may cause of adverse cardiovascular effects.

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References

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