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Basophil degranulation test in house dust mite allergy: diagnostic value
X Feliu1, C G de la Cuesta, J G Castillo
1Departamento de Alergologia, Facultad de Medicina, Universidad de Navarra, Pamplona, Spain.
Allergologia Et Immunopathologia
|July 1, 1989
Summary
The Basophil Degranulation Test (BDT) shows limited use in routine allergy diagnosis for Dermatophagoides pteronyssinus sensitization, despite moderate sensitivity and specificity. Further research is needed to validate its clinical utility.
Area of Science:
- Immunology
- Allergology
- Diagnostic Medicine
Background:
- Allergic sensitization to Dermatophagoides pteronyssinus is a common trigger for asthma and rhinitis.
- Accurate diagnostic tools are crucial for effective allergy management.
Purpose of the Study:
- To evaluate the diagnostic utility of the Basophil Degranulation Test (BDT) for Dermatophagoides pteronyssinus sensitization.
- To assess the sensitivity, specificity, and efficiency of the BDT in a clinical setting.
Main Methods:
- The Basophil Degranulation Test (BDT) was applied to 55 patients with asthma/rhinitis and positive skin tests to Dermatophagoides pteronyssinus.
- 20 control subjects were included in the study.
- Correlation with the histamine release test was analyzed.
Main Results:
- The BDT demonstrated a sensitivity of 65.5% and a specificity of 80%.
- The efficiency index for the BDT was calculated at 69.5%.
- No significant correlation was found between the BDT and the histamine release test (r = 0.236).
Conclusions:
- The Basophil Degranulation Test (BDT) has a limited application in the routine diagnosis of Dermatophagoides pteronyssinus sensitization.
- The findings suggest that while the BDT has moderate diagnostic accuracy, its clinical utility may be restricted.