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Pulmonary function correlates with arterial stiffness in asthmatic patients
Zeev Weiler1, Yuri Zeldin, Eli Magen
1Pulmonary Unit, Barzilai Medical Center, Ashkelon, Israel Affiliated to the faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheba, Israel. weil@barzi.health.gov.il
Respiratory Medicine
|November 7, 2009
Summary
Asthma is linked to inflammation and heart issues. This study found correlations between lung function and arterial stiffness in young asthmatics, suggesting a shared inflammatory pathway affecting both systems.
Area of Science:
- Cardiovascular and Respiratory Medicine
- Systemic Inflammation Research
Background:
- Asthma is associated with chronic systemic inflammation and adverse cardiovascular outcomes.
- Investigating the link between asthma, inflammation, and cardiovascular health is crucial.
Purpose of the Study:
- To investigate peripheral vascular hemodynamic variables, specifically arterial stiffness (AS), in asthmatic patients.
- To explore the relationship between arterial stiffness and pulmonary function tests in asthmatics.
Main Methods:
- Young asthmatic patients and age-matched controls underwent pulmonary function tests and non-invasive radial artery hemodynamic profiling.
- Measurements were taken at baseline and post-exercise, with comparisons made between asthmatics and controls.
Main Results:
- Asthmatics showed reduced pulmonary flow parameters but no significant differences in BMI, blood pressure, or pulse rate compared to controls.
- Arterial stiffness measurements did not differ between groups at baseline or post-bronchodilation.
- In asthmatics, forced expiratory volume in the first second (FEV1%) correlated positively with small arteries elasticity index (SAEI) and negatively with systemic vascular resistance (SVR).
Conclusions:
- Significant correlations between arterial stiffness measurements and FEV1 in young asthmatics suggest a common systemic inflammatory pathway.
- This pathway likely involves both the cardiovascular and respiratory systems.
- Further research into this shared inflammatory mechanism could lead to novel therapeutic strategies.
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