Severity and phenotypes of dyspnea in asthma: Impact of comorbidities.
Respir Med
; : 107276, 2023 May 20.
Article
em En
| MEDLINE
| ID: mdl-37217082
ABSTRACT
BACKGROUND:
Dyspnea is a common but non-specific symptom of asthma, which in particular may be related to anxiety and hyperventilation syndrome, two frequent comorbidities of asthma.METHODS:
We conducted a prospective multicentric cohort study in dyspneic asthmatic adults. Dyspnea was assessed using the Multidimensional Dyspnea Profile questionnaire. We described the sensory (QS) and affective (A2) domains of dyspnea and investigated the effect of poor asthma control, hyperventilation and anxiety on each dimension at baseline and after 6 months.RESULTS:
We included 142 patients (65.5% women, age 52 years). Dyspnea was severe and predominated on its sensory domain (median QS 27/50; A2 15/50). Uncontrolled asthma (ACQ≥1.5), hyperventilation symptoms (Nijmegen≥23) and anxiety (HAD-A≥10) were present in 75%, 45.7% and 39% of cases, respectively. Hyperventilation symptoms were associated with higher QS and A2 scores QS at 28.4(10.7) vs. 21.7(12.8) (p = 0.001) and A2 at 24(14) vs. 11.3(11) (p < 0.001) in patients with vs. without hyperventilation symptoms. Anxiety was only associated with increased A2 (27(12.3) vs. 10.9(11), p < 0.001). At 6 months, QS and A2 decreased of 7 and 3 points, respectively, in relation with changes in ACQ-6 and Nijmegen scores as well as the HAD-A score for A2.CONCLUSION:
In breathless asthmatics, dyspnea is severe and worsened but differentially modulated by hyperventilation symptoms and anxiety. A multidimensional phenotyping of dyspnea in asthmatics could be useful to understand its origins and personalize treatment.
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Tipo de estudo:
Clinical_trials
/
Observational_studies
/
Risk_factors_studies
Idioma:
En
Revista:
Respir Med
Ano de publicação:
2023
Tipo de documento:
Article
País de afiliação:
França