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Depression and pulmonary function in outpatients with asthma.
Georgios C Krommydas1, Konstantinos I Gourgoulianis, Nikiforos V Angelopoulos
1Lung function lab, Physiology Department, Medical School, University of Thessaly, Larissa, Greece. gckromm@yahoo.gr
Respiratory Medicine
|March 9, 2004
Summary
Depression and anxiety are common in adult asthma patients. Symptoms of depression were linked to reduced lung function (FEV1 and FEV1/FVC) in asthmatics.
Area of Science:
- Pulmonology
- Psychiatry
- Medical Psychology
Background:
- Asthma is a chronic respiratory condition affecting millions worldwide.
- Co-occurring mental health conditions like depression and anxiety are frequently observed in asthma patients.
- The impact of these mental health comorbidities on asthma severity and pulmonary function requires further investigation.
Purpose of the Study:
- To investigate the relationship between symptoms of depression and anxiety and objective measures of pulmonary function in adult asthma patients.
- To determine if psychological distress is associated with decreased lung function parameters in this population.
Main Methods:
- A cohort of 38 adult asthma patients completed psychometric assessments using the DSSI/sAD questionnaire and an asthma-specific questionnaire.
- Spirometry tests were performed to measure pulmonary function, including Forced Expiratory Volume in 1 second (FEV1) and FEV1/Forced Vital Capacity (FVC) ratio.
- Patients were categorized based on the presence or absence of depression and anxiety symptoms.
Main Results:
- A high prevalence of anxiety (26 patients) and depression (25 patients) was reported among the study participants.
- Asthma patients experiencing symptoms of depression showed a statistically significant reduction in FEV1 and FEV1/FVC values compared to those without depression.
- Mean FEV1 values were 81.84% in non-depressed patients versus 63.73% in depressed patients; mean FEV1/FVC ratios were 0.85 versus 0.75, respectively.
Conclusions:
- Depression and anxiety are highly prevalent in adult asthma patients, suggesting a significant unmet need for mental health support.
- A potential biological link between depression and impaired pulmonary function in asthma is suggested by the observed reduction in FEV1 and FEV1/FVC.
- These findings underscore the importance of screening for and managing psychological comorbidities in asthma care to potentially improve respiratory outcomes.