Impact of Air Pollution on the Autonomic Nervous System Activity and the Presence of Sleep Apnea in Older Subjects

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

60 participants

Study Classification

OBSERVATIONAL

Study Start Date

2008-02-29

Study Completion Date

2010-07-31

Brief Summary

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Impact of air pollution on the autonomic nervous system activity and presence of sleep apnea in older subjects.

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Detailed Description

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The relation between the air pollution and morbidity, cardiovascular mortality was increasing interest. Analyses show an increase of respiratory difficulty, but also cardiac deaths in the daytime when the atmospheric pollution was increased. It was demonstrated that health effects of ambient air pollution in subjects presenting cardiac or lung difficulty were important. Mechanisms show a possible relation to autonomic nervous system (ANS) deactivation and mortality. Particularly, the ageing and ANS reach would be more predictive of cardiovascular events. Thus, we suggest estimating in 60 healthy volunteers from 60 to 80 years old, the impact of the air pollution on the autonomic nervous system activity and sleep apnea consequences.

Conditions

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Healthy

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Study Groups

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Air pollution

The subjects will have to live in districts where important atmospheric pollution is established

Air pollution study on healthy volunteers.

Intervention Type OTHER

The subjects are examined three times:

* First the volunteers get used to equipments.
* Second and third the volunteers sleep in a pollution or purified air.

Interventions

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Air pollution study on healthy volunteers.

The subjects are examined three times:

* First the volunteers get used to equipments.
* Second and third the volunteers sleep in a pollution or purified air.

Intervention Type OTHER

Other Intervention Names

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physiopathologic study

Eligibility Criteria

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Inclusion Criteria

* reside in Lyon and Saint-Etienne cities
* security social affiliated or beneficiary
* information note signed

Exclusion Criteria

* heart rate disorders
* pacemaker
* tabacco addiction or second-hand smoke
* morbid obesity (BMI \> 30)
* insulin-dependent diabetes
* chronic disease on treatment
* antiarrythmic treatments

Minimum Eligible Age

60 Years

Maximum Eligible Age

80 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes