Prevalence of Allergic Broncho Pulmonary Aspergillosis in patients with Asthma attending allergy clinic in a North West Indian Tertiary Care Institute
Journal Title: International Journal of Biomedical and Advance Research - Year 2016, Vol 7, Issue 5
Abstract
Context: Allergic Broncho Pulmonary Aspergillosis (ABPA) is an allergic disorder. Aspergillus fumigatus is the most common pathogen responsible for occurrence of ABPA. There can be serious consequences of ABPA including worsening of symptoms of asthma and more sinister complications like extensive fibrosis and bronchiectasis. Aims: To find out the prevalence of ABPA among asthma patients and association of former with factors like age, sex, occupation, family history of bronchial asthma, socioeconomic status and other relevant factors. Settings and Design: This study was a descriptive type of observational study conducted at our tertiary care institute. Methods and Material: Three hundred severe asthmatic patients underwent skin prick test (SPT) for five Aspergillus species. Four tests were applied to all SPT positive patients -Total serum IgE, spirometry, chest x-ray and High-resolution Computed Tomography (HRCT) scan of thorax. The diagnosis of ABPA was made when the patient fulfilled at least three out of four criteria. Results: Out of 300 severe asthmatic patients 27 (9%) patients were found SPT positive. Out of these 27 SPT positive patients, four patients refused for further investigations, and 23 were investigated further. Out of 23 SPT positive patients, eight patients (2.7%) were diagnosed as ABPA. It was also found that two out of eight patients with ABPA were misdiagnosed and treated earlier as pulmonary tuberculosis. Conclusions: All patients with bronchial asthma should be screened for ABPA by skin test for Aspergillus. There is need to implement screening programme and meticulous approach by physicians to diagnose and treat such patients. Key Messages: A diagnosis of allergic bronchopulmonary aspergillosis should be considered in patients coming with asthma. Skin prick test can be used to screen such patients. A further workup of the skin test positive patients leads to a high diagnostic yield.
Authors and Affiliations
Navgeet Mathur, Medha Mathur
Keywords
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- EP ID EP364328
- DOI 10.7439/ijbar.v7i5.3253
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