Associations between agricultural use of pyrethroid insecticides and asthma: AGRICAN cohort results
These videos have been matched automatically. Contact us if they are not relevant.
These videos have been matched automatically. Contact us if they are not relevant.
View abstract on PubMed
Summary
This summary is machine-generated.Occupational pyrethroid insecticide exposure is linked to increased asthma risk in women, affecting both allergic and non-allergic types. No significant association was found in men, highlighting a sex-specific effect of these widely used pesticides.
Area Of Science
- Environmental Health
- Occupational Medicine
- Epidemiology
Background
- Pyrethroids are widely used insecticides in agriculture and homes, following the phase-out of older chemical classes.
- Understanding the health impacts of pyrethroid exposure is crucial due to their prevalence.
Purpose Of The Study
- To investigate the association between occupational pyrethroid exposure and the risk of developing allergic and non-allergic asthma.
- To analyze data from the French AGRICAN agricultural cohort for these associations.
Main Methods
- Asthma status (allergic/non-allergic) was self-reported by over 11,000 participants.
- Individual pyrethroid exposures were estimated for over 124,000 participants using crop treatment history and a matrix.
- Seventeen different pyrethroids were assessed in relation to asthma phenotypes.
Main Results
- Occupational pyrethroid exposure was associated with increased asthma risk in women, but not in men.
- Women with pyrethroid exposure showed higher risks for both allergic asthma (80% increase) and non-allergic asthma (40% increase).
- Specific pyrethroids like fenpropathrin and deltamethrin showed significant associations with allergic asthma in women; early-life farm and vineyard exposure strengthened associations.
Conclusions
- Occupational exposure to pyrethroids is linked to a higher incidence of both allergic and non-allergic asthma in women.
- The study did not find a significant association between pyrethroid exposure and asthma in men.
- Findings suggest potential sex-specific vulnerabilities to pyrethroid-induced respiratory conditions.
These videos have been matched automatically. Contact us if they are not relevant.
These videos have been matched automatically. Contact us if they are not relevant.
Related Concept Videos
Asthma is a prevalent chronic respiratory condition marked by inflammation and hyperresponsiveness of the airways. Its pathophysiology involves complex interactions among inflammatory pathways, immune responses, and neural mechanisms.
Additionally, environmental and genetic factors play crucial roles in determining an individual's susceptibility to asthma and the severity of their condition.
Critical processes in asthma pathophysiology include:
Initiation of Airway Inflammation:
...
Asthma is a chronic respiratory ailment that requires careful management due to its varying symptoms and influencing factors. It is characterized by airway inflammation, bronchial hyperresponsiveness, and reversible airflow obstruction, leading to symptoms like wheezing, shortness of breath, chest tightness, and coughing. The symptom frequency and intensity may vary considerably over time. It is also linked to immune system responses to allergens and irritants, highlighting the complex...
Asthma is a chronic pulmonary condition involving inflammation of the airways, hyper-reactivity, and reversible obstruction of the airways. This condition can significantly impact a person's quality of life, making breathing difficult and leading to distressing symptoms.
Asthma is classified as allergic and non-allergic. Allergens such as dust mites, pollen, and pet dander trigger allergic asthma, while factors like cold air, intense emotions, or exercise can induce non-allergic asthma.
The diagnosis and management of asthma are comprehensive, encompassing clinical assessments, lung function tests, and pharmacological interventions. Here's an overview:
Clinical Assessment for Asthma:
This is the first step in diagnosing and managing asthma. It includes:
Detailed Medical History: This includes asking about symptoms such as wheezing, coughing, chest tightness, and breathlessness. Information about triggers like exercise, allergens, or cold air is crucial.
Physical...
Humans continually engage with an environment rich in potentially harmful chemicals. These are introduced to our bodies through inhalation, ingestion, or skin contact. These chemicals exist in various forms, such as air and environmental pollutants, agricultural chemicals, organic solvents, and heavy metals.
Air pollutants, primarily gases, pose significant threats to respiratory health, leading to conditions like hypoxia, lung cancer, and in extreme cases, death.
Environmental pollutants like...
Asthma, a common chronic respiratory condition, is classified considering the frequency and severity of symptoms alongside lung function impairment. Understanding this classification is essential for appropriate treatment and management. Here's a detailed look at the classification of asthma and its clinical features and complications:
Classification of Asthma
Intermittent Asthma:
Symptoms occur fewer than twice a week.
Night-time awakenings due to asthma occur fewer than twice a...