Abstract
The allergic bronchopulmonary mycoses (ABPM) are characterized by dual antibody response which includes immediate Type I and delayed Type III Arthus reactions to fungal antigens. In such cases the demonstration of precipitins is of diagnostic importance. In the present study the efficacy of counterimmunoelectrophoresis (CIE) has been compared with that of conventional agar gel double immunodiffusion technique (DID). Cases of allergic bronchopulmonary aspergillosis (ABPA) and candidiasis (ABPC) were diagnosed in a survey among patients with pulmonary diseases on the basis of positive clinical, radiological, mycological and immunological findings. Precipitating fungal antibodies were detected by CIE and DID techniques in 77 and 59 cases of ABPA and ABPC respectively. The former technique revealed double or multiple bands as against a single band observed in double immunodiffusion in a great majority of these cases. With CIE it was further possible to demonstrate the presence of precipitins in about 65 per cent of suspected cases of ABPM found otherwise negative in DID tests. The CIE has proved to be a more efficacious serodiagnostic procedure in allergic bronchopulmonary mycoses in which antibody levels are known to vary a great deal.
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Schedule a callMore From: Zentralblatt für Bakteriologie. 1. Abt. Originale A, Medizinische Mikrobiologie, Infektionskrankheiten und Parasitologie
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