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Background: The 2014 Asia Pacific - Asthma Insight and Management (AP-AIM) study showed that none of the Indian asthmatics had controlled asthma when evaluated objectively. Our study aims to detect through objective measurements, uncontrolled asthma in OPD patients, the adequacy of their inhaler technique, and their awareness regarding the importance of inhaler technique.
Method: The asthma Control Test (ACT) score was used to screen for uncontrolled asthma. A validated objective questionnaire and scoring were used to objectively assess the correctness and awareness of the inhalation technique.
Result: The study was carried out over 2 month period and 80 patients meeting the inclusion criteria were enrolled. Out of 80 patients; 47 (58.75%) had well-controlled asthma and 33 (41.25%) had uncontrolled asthma. 64 (80%) patients had good, and 16 (20%) had poor inhalation techniques. Among the 64 patients with good inhalation technique 43 (67.18%) had well-controlled asthma and 21 (32.82%) had uncontrolled asthma. Among the 16 patients with poor inhalation technique 4 (25%) had well-controlled asthma and 12 (75%) had uncontrolled asthma. There was a statistically significant association between asthma control and inhaler technique (P value 0.002). In the study population 56 (70%) patients were aware of the inhalation technique and 24 (30%) were unaware of the inhalation technique. Out of the 56 patients who were aware of the inhalation technique 53 (94.64%) had good inhaler technique and 3 (5.36%) had poor inhalation technique. Among the 24 patients who were unaware of the inhaler technique 11 (45.83%) had good inhaler technique and 13 (54.17%) had poor inhaler technique. There was a statistically significant association between awareness of inhaler technique and good inhaler technique (P value 0.001).
Conclusion: There is a statistically significant association between asthma control and inhaler technique and between inhaler technique and inhaler awareness. Improving the awareness regarding inhaler technique among bronchial asthma patients is the way forward to improve asthma control in our country.
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http://dx.doi.org/10.4103/lungindia.lungindia_559_22 | DOI Listing |
Pulm Ther
September 2025
Boehringer Ingelheim Pharma GmbH & Co. KG, Binger Straße 173, 55216, Ingelheim am Rhein, Germany.
Introduction: The modification of an inhaler's air flow resistance influences a patient's inhalation flow profile, thereby affecting the exit velocity of an aerosol leaving the Respimat® mouthpiece. A slower inhalation maneuver results in reduced plume velocity and thus a decreased oropharyngeal deposition due to reduced impaction. This could not only lead to fewer unwanted side effects associated with inhaled therapies, but also enhance lung deposition.
View Article and Find Full Text PDFPharmacoepidemiol Drug Saf
September 2025
Sanofi, Cambridge, Massachusetts, USA.
Purpose: Given the increased likelihood for individuals with severe asthma to experience comorbidities, disease complications, emergency room visits, and hospitalizations, the ability to stratify asthma populations on severity is often important. Although pharmacoepidemiologic studies using administrative healthcare databases sometimes categorize asthma severity, there is no consensus on an approach.
Methods: Individuals with asthma (≥ 2 ICD-10-CM diagnosis codes J45) aged ≥ 6 years were identified in Optum's de-identified Clinformatics Data Mart Database between January 2017 and November 2023.
Environ Health Prev Med
September 2025
Department of Occupational Pneumology, Institute of Industrial Ecological Sciences, University of Occupational and Environmental Health, Japan.
Background: Organic chemicals have been known to cause allergic diseases such as bronchial asthma and hypersensitivity pneumonitis; however, the possibility that they do not cause irreversible pulmonary fibrosis has not been considered. Polyacrylic acid (PAA), an organic chemical, has caused irreversible progressive pulmonary fibrosis in exposed workers, indicating its potential to induce pulmonary inflammation and fibrosis. Although intratracheal instillation studies are commonly used for evaluating lung pathology, traditional methods face challenges with chemical substances, particularly nanoparticles, which tend to aggregate in suspension and prevent uniform pulmonary distribution.
View Article and Find Full Text PDFHeart Rhythm
September 2025
Molecular Pharmacology and Physiology, Morsani College of Medicine, University of South Florida, Tampa, FL, United States. Electronic address:
Background: Electronic nicotine delivery systems (ENDS) utilize "E-liquids" in order to generate "E-vapor", an inhalable aerosolized mixture containing nicotine and flavors. Flavored ENDS are very popular among teens who vape, however, the possible cardiac electrophysiological harm of inhalation exposure to flavored ENDS are not fully understood.
Objective: To test if inhalation exposure to flavoring carbonyls in e-liquids compromises mitochondrial integrity, increases oxidative stress, and leads to cardiac electrophysiological toxicity.
J Bras Pneumol
September 2025
. Departamento de Pneumologia do Hospital Infante D. Pedro, Unidade Local de Saúde da Região de Aveiro, Aveiro, Portugal.
Objectives: This study explores the relationship between inhaler visual identification, naming, and adherence outcomes, and evaluates the potential of combining these factors into a screening tool for identifying poor adherence.
Methods: This observational, prospective study included adult patients with COPD, asthma, or asthma+COPD who had been on chronic inhalation therapy for at least the past year. Data were collected through patient interviews and medical records.