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Living alongside railway tracks: Long-term effects of nocturnal noise on sleep and cardiovascular reactivity as a function of age.
Environ Int. 2010 Oct; 36(7):683-9.EI

Abstract

Very few studies were devoted to permanent effects of nocturnal railway noise on sleep and cardiovascular reactivity. We investigated the effects of nocturnal railway noise on sleep and cardiovascular response in young and middle-aged adults living for many years either near a railway track or in a quiet area. Forty subjects (50% males) divided into two age groups (juniors: 26.2+/-3.6 and seniors: 56.2+/-4.2) participated in this experiment. Half of them lived near a railway track (RW group: 2.6 to 19 years) and the other half in a quiet environment (QE group: 8.1 to 14.2 years). After an adaptation night, all subjects underwent two nights in the laboratory: one control night and one noisy night (30 by-passes of a freight train). Sleep and cardiovascular modifications were assessed in response to noise. Sleep fragmentation indices were lower in RW subjects compared to QE whatever their age. In response to noise, there was a higher cardiovascular response rate to noise in RW juniors and a lower cardiovascular response rate in RW seniors compared to their age-paired QE counterparts. In conclusion, permanent exposure to nocturnal railway noise leads to decreased sleep fragmentation and to cardiovascular habituation. It is suggested that during the initial period experienced by residents living near railway tracks, nocturnal railway noise could induce a sensitization process on the autonomic response to noise reflecting a startle/defense reflex due to its functional significance, which progressively turns to habituation in the long-term if no adverse effect is experienced.

Authors+Show Affiliations

Laboratoire de Psychologie des Cognitions, Université de Strasbourg, France. patricia.tassi@unistra.frNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

20569986

Citation

Tassi, Patricia, et al. "Living Alongside Railway Tracks: Long-term Effects of Nocturnal Noise On Sleep and Cardiovascular Reactivity as a Function of Age." Environment International, vol. 36, no. 7, 2010, pp. 683-9.
Tassi P, Rohmer O, Schimchowitsch S, et al. Living alongside railway tracks: Long-term effects of nocturnal noise on sleep and cardiovascular reactivity as a function of age. Environ Int. 2010;36(7):683-9.
Tassi, P., Rohmer, O., Schimchowitsch, S., Eschenlauer, A., Bonnefond, A., Margiocchi, F., Poisson, F., & Muzet, A. (2010). Living alongside railway tracks: Long-term effects of nocturnal noise on sleep and cardiovascular reactivity as a function of age. Environment International, 36(7), 683-9. https://doi.org/10.1016/j.envint.2010.05.001
Tassi P, et al. Living Alongside Railway Tracks: Long-term Effects of Nocturnal Noise On Sleep and Cardiovascular Reactivity as a Function of Age. Environ Int. 2010;36(7):683-9. PubMed PMID: 20569986.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Living alongside railway tracks: Long-term effects of nocturnal noise on sleep and cardiovascular reactivity as a function of age. AU - Tassi,Patricia, AU - Rohmer,Odile, AU - Schimchowitsch,Sarah, AU - Eschenlauer,Arnaud, AU - Bonnefond,Anne, AU - Margiocchi,Florence, AU - Poisson,Franck, AU - Muzet,Alain, Y1 - 2010/06/01/ PY - 2010/02/16/received PY - 2010/04/13/revised PY - 2010/05/03/accepted PY - 2010/6/24/entrez PY - 2010/6/24/pubmed PY - 2010/9/23/medline SP - 683 EP - 9 JF - Environment international JO - Environ Int VL - 36 IS - 7 N2 - Very few studies were devoted to permanent effects of nocturnal railway noise on sleep and cardiovascular reactivity. We investigated the effects of nocturnal railway noise on sleep and cardiovascular response in young and middle-aged adults living for many years either near a railway track or in a quiet area. Forty subjects (50% males) divided into two age groups (juniors: 26.2+/-3.6 and seniors: 56.2+/-4.2) participated in this experiment. Half of them lived near a railway track (RW group: 2.6 to 19 years) and the other half in a quiet environment (QE group: 8.1 to 14.2 years). After an adaptation night, all subjects underwent two nights in the laboratory: one control night and one noisy night (30 by-passes of a freight train). Sleep and cardiovascular modifications were assessed in response to noise. Sleep fragmentation indices were lower in RW subjects compared to QE whatever their age. In response to noise, there was a higher cardiovascular response rate to noise in RW juniors and a lower cardiovascular response rate in RW seniors compared to their age-paired QE counterparts. In conclusion, permanent exposure to nocturnal railway noise leads to decreased sleep fragmentation and to cardiovascular habituation. It is suggested that during the initial period experienced by residents living near railway tracks, nocturnal railway noise could induce a sensitization process on the autonomic response to noise reflecting a startle/defense reflex due to its functional significance, which progressively turns to habituation in the long-term if no adverse effect is experienced. SN - 1873-6750 UR - https://www.unboundmedicine.com/medline/citation/20569986/Living_alongside_railway_tracks:_Long_term_effects_of_nocturnal_noise_on_sleep_and_cardiovascular_reactivity_as_a_function_of_age_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0160-4120(10)00087-5 DB - PRIME DP - Unbound Medicine ER -