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|Title:||Comparative evaluation of commonly used laboratory tests for post-mortem diagnosis of rabies.|
Ichhpujani, R L
|Citation:||Chhabra M, Bhardwaj M, Ichhpujani RL, Lal S. Comparative evaluation of commonly used laboratory tests for post-mortem diagnosis of rabies. Indian Journal of Pathology & Microbiology. 2005 Apr; 48(2): 190-3|
|Abstract:||Animal brain samples received at WHO Collaborating Centre laboratory at National Institute of Communicable Diseases (NICD) during the years 1991-2002 were tested by Seller's stain, Fluorescent Antibody Test (FAT) and Mouse Innoculation Test (MIT) as methods of rabies diagnosis. Negri bodies on Seller's staining could be detected in 52.5% of MIT positive brains, the concordance of this test with MIT was found to be 77.8%. FAT was positive in 91.5% of MIT positive brains, though it showed concordance of 95.7% with MIT results in the total samples. 12.2% of the samples were found positive by FAT of which 1/3rd also showed the presence of Negri bodies when MIT was negative i.e. showing that the virus is present in inactivated form. Thus emphasizing the need for timely and proper collection and transportation of specimens for testing. Seller's stain and FAT give reliable diagnosis of rabies in the brain samples in majority of the cases. MIT being time-intensive test, is of academic value only in decision making as regards initiation of Post Exposure Treatment (PET), it is recommended that in cases where Seller's stain and FAT have yielded negative results the decision to initiate PET should give due consideration to the nature and circumstances of the animal bite and other epidemiological features.|
|Appears in Collections:||Indian Journal of Pathology & Microbiology|
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