Rapid detection of enteric fever by coagglutination and countercurrent immunoelectrophoresis. 1998

M Mishra, and Y S Thakar, and C Chande, and N S Tankhiwale, and A M Saoji
Department of Microbiology, Government Medical College, Nagpur.

A total of 463 patients clinically suspected of enteric fever and 100 healthy individuals were investigated by coagglutination (COAG) and countercurrent immunoelectrophoresis (CIEP) for rapid diagnosis of enteric fever. The S. typhi was grown in blood culture in 32 (6.91%) and Widal test was positive in 126 (27.21%) cases. The serum COAG with local antiserum was positive in 165 (35.64%), serum COAG with standard antiserum in 163 (35.21%), Blood culture supernatant (BCS) COAG in 153 (33.05%), serum CIEP for antigen (Ag) in 118 (25.09%), BCS CIEP in 99 (21.39%) while serum CIEP for antibody (Ab) was positive in 34 (7.34%) cases. Only two healthy controls revealed positive COAG result with local antiserum. The sensitivity of all antigen detection tests was 100% except BCS CIEP (98.25%) in the first week of fever and declined rapidly to 75.79% for serum COAG tests, 69.47% for BCS COAG and dramatically to 37.89% for serum CIEP for Ag and 22.11% for BCS CIEP tests during the second week whereas the sensitivity of serum CIEP for Ab detection rose from 17.54% to 23.16% from first to second week of illness. In view of the resulting data, it is suggested that both COAG and CIEP may be employed for the rapid diagnosis of enteric fever in the routine clinical setup.

UI MeSH Term Description Entries
D011817 Rabbits A burrowing plant-eating mammal with hind limbs that are longer than its fore limbs. It belongs to the family Leporidae of the order Lagomorpha, and in contrast to hares, possesses 22 instead of 24 pairs of chromosomes. Belgian Hare,New Zealand Rabbit,New Zealand Rabbits,New Zealand White Rabbit,Rabbit,Rabbit, Domestic,Chinchilla Rabbits,NZW Rabbits,New Zealand White Rabbits,Oryctolagus cuniculus,Chinchilla Rabbit,Domestic Rabbit,Domestic Rabbits,Hare, Belgian,NZW Rabbit,Rabbit, Chinchilla,Rabbit, NZW,Rabbit, New Zealand,Rabbits, Chinchilla,Rabbits, Domestic,Rabbits, NZW,Rabbits, New Zealand,Zealand Rabbit, New,Zealand Rabbits, New,cuniculus, Oryctolagus
D003378 Counterimmunoelectrophoresis Immunoelectrophoresis in which immunoprecipitation occurs when antigen at the cathode is caused to migrate in an electric field through a suitable medium of diffusion against a stream of antibody migrating from the anode as a result of endosmotic flow. Electrosyneresis,Immunoelectroosmophoresis,Immunoelectrophoresis, Countercurrent,Immunoelectrophoresis, Crossover,Countercurrent Immunoelectrophoresis,Crossover Immunoelectrophoresis
D006224 Cricetinae A subfamily in the family MURIDAE, comprising the hamsters. Four of the more common genera are Cricetus, CRICETULUS; MESOCRICETUS; and PHODOPUS. Cricetus,Hamsters,Hamster
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000372 Agglutination Tests Tests that are dependent on the clumping of cells, microorganisms, or particles when mixed with specific antiserum. (From Stedman, 26th ed) Agglutination Test,Test, Agglutination,Tests, Agglutination
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D000907 Antibodies, Bacterial Immunoglobulins produced in a response to BACTERIAL ANTIGENS. Bacterial Antibodies
D000918 Antibody Specificity The property of antibodies which enables them to react with some ANTIGENIC DETERMINANTS and not with others. Specificity is dependent on chemical composition, physical forces, and molecular structure at the binding site. Antibody Specificities,Specificities, Antibody,Specificity, Antibody
D000942 Antigens, Bacterial Substances elaborated by bacteria that have antigenic activity. Bacterial Antigen,Bacterial Antigens,Antigen, Bacterial
D012485 Salmonella typhi A serotype of SALMONELLA ENTERICA which is the etiologic agent of TYPHOID FEVER. Salmonella enterica serovar Typhi,Salmonella typhosa

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