To identify factors contributing to increased mortality and morbidity we prospectively evaluated 200 consecutive adult (greater than 17 years) asthmatic presentations (105 patients) referred to Gisborne Hospital over a 28 month period between 1985 and 1987 using a modified protocol adapted from previous national studies. In the moderate asthmatic group (113 presentations, 56%), 6% failed to use beta agonists prior to admission and 43% were not on regular steroid inhaler therapy. No patient had a crisis plan although 45 (22.5%) had received oral steroid therapy before admission. Poor drug compliance was twice as common in the Maori. Fifty-eight percent of patients were on regular long term oral theophylline whereas 48 (43%) patients with moderate and severe asthma were not on corticosteroid inhalers. We conclude that patient education and more liberal use of steroid inhalers have the greatest potential for improving morbidity and mortality.
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Inflamm Res
January 2025
Guangdong Provincial Key Laboratory of Medical Immunology and Molecular Diagnostics, The First Dongguan Affiliated Hospital, College of Medical Technology, Guangdong Medical University, Dongguan, 523808, China.
Allergic asthma is a chronic complex airway disease characterized by airway hyperresponsiveness, eosinophilic inflammation, excessive mucus secretion, and airway remodeling, with increasing mortality and incidence globally. The pathogenesis of allergic asthma is influenced by various factors including genetics, environment, and immune responses, making it complex and diverse. Recent studies have found that various cellular functions of mitochondria such as calcium regulation, adenosine triphosphate production, changes in redox potential, and free radical scavenging, are involved in regulating the pathogenesis of asthma.
View Article and Find Full Text PDFFree Radic Biol Med
January 2025
Chronic Airways Diseases Laboratory, Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China. Electronic address:
Previous studies have demonstrated that high-mobility group box protein 1(HMGB1) was increased and released to the extracellular and participated in the pathogenesis of steroid-insensitive asthma induced by toluene diisocyanate (TDI). Mitochondrial dysfunction of bronchial epithelia is a critical feature in TDI asthma. However, whether mitochondrial dysfunction regulated HMGB1 release in asthma remains unknown.
View Article and Find Full Text PDFInt J Biometeorol
January 2025
Department of Children Health, Changsha Hospital for Maternal & Child Health Care Affiliated to Hunan Normal University, No.416 of Chengnan East Road, Yuhua District, Changsha, Hunan, 410007, China.
Accumulating evidence has shown that long-term exposure to particulate matter with aerodynamic diameter of less than 2.5 μm (PM2.5) causes Th1/Th2 imbalance and increases the risk of allergic asthma (AA) in children.
View Article and Find Full Text PDFJ Asthma Allergy
December 2024
Department of Respiratory Medicine, National Key Clinical Specialty, Branch of National Clinical Research Center for Respiratory Disease, Xiangya Hospital, Central South University, Changsha, People's Republic of China.
Background: Allergic bronchopulmonary aspergillosis/mycosis (ABPA/M) is a complex non-infectious pulmonary benign disease characterized by an immune response against aspergillus/fungus. Carcinoembryonic antigen (CEA), typically recognized as a tumor marker, also elevated in certain benign diseases. Few studies on ABPA/M cases presenting with elevated serum CEA levels have been reported.
View Article and Find Full Text PDFAging Clin Exp Res
December 2024
Department of Geriatric Neurology, Shaanxi Provincial People's Hospital, No.256, Youyi West Road, Xi'an 710068, China.
Background: The correlation between asthma and frailty is increasingly garnering attention. The association between asthma and frailty remains inconclusive in observational studies, and the causality of this relationship still needs to be established.
Aims: Therefore, we employed two-sample Mendelian randomization analyses using genetic instruments to determine the causal association of asthma on frailty.
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