Mycological and serological study of pulmonary aspergillosis in Central India


Kurhade AM, Deshmukh JM, Fule RP, Chande C, Akulwar S

Date: 4 April 2004


Purpose: To study the prevalence and predisposing factors of Aspergillus infection and correlate microscopic, culture and serological findings along with drug sensitivity. Methods: Sputum samples from 123 patients of pulmonary disease with clinical suspicion of having fungal, especially Aspergillus infections, were examined microscopically and for culture. Minimum inhibitory concentration (MIC) of itraconazole was tested against the isolates. Serum samples from these patients were tested for precipitin against Aspergillus antigen using immunodiffusion (ID) technique Results Aspergillus species were isolated on 20 (16.26 percent) cases and Aspergillus fumigatus was the predominant species isolated in 16 (80 percent) cases. Precipitins were detected in 29 (23.58 percent) cases. Serum samples collected from 50 healthy individuals to serve as controls showed no precipitin against Aspergillus antigen galactomannan This fungus was found to be sensitive to itraconazole with MIC range 0.125-1ug/ml. Conclusions: Serological tests have an edge over routine smear and culture methods for the diagnosis of pulmonary aspergillosis. Itraconazole is more effective than amphotericin B and fluconazole in the treatment of aspergillosis.

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