admitted to the hospital. The patients included children, adults and elderly people.Fresh faeces of patients were collected and transported immediately for culture. The specimens were inoculated on MacConkey agar, Salmonella-Shigella agar, Xylose-Lysine deoxycholate media and Selenite-F enrichment broth. [9] Suspected Colonies of Shigella were subjected to standard biochemical tests using Triple sugar iron agar, Mannitol motility medium, Indole production and Lysine iron agar medium. SpeciÞ c anti-sera (Denken-Seika, Japan Shigella antisera) were used for serotyping of isolated Shigella. The susceptibility of all the isolated Shigella to different antibiotics were determined by Kirby-Bauer's disk diffusion technique as per the CLSI guidelines.[10] The antibiotics used were Ampicillin, Co-trimoxazole, Chloramphenicol, Nalidixic acid, Ciproß oxacin and Ceftriaxone. ResultsOf the 2,941 diarrhoeal/dysenteric stool samples screened, Shigella strains were identiÞ ed in 134 (4.6%) samples. Shigella spp. were isolated from patients with ages ranging between 0 to >70 years. Of these, 56 (41.8%) were from children from 0 to 14 years and the rest 78 (58.2%) were from adults and elderly patients. The clinical course was found to be more severe in children with superadded malnutrition. Males out-numbered the females in all the age groups. S. ß exneri strains were identiÞ ed in 84 (64.9%) Shigella positive cultures, while S. sonnei accounted for IntroductionShigellosis still remains a public health problem in most developing countries because of the poverty, poor sanitation, personal hygiene and poor water supply.[1] Literature review shows that about 140 million people suffer from shigellosis with estimated 600,000 deaths per year world-wide. [2,3] It is a major cause of dysentery/diarrhea in children and others. Many of them are hospitalized immediately after the onset of the disease. Though, oral rehydration is the principal means of management, because of the enteroinvasiveness antibacterial treatment may be necessary.[1] The number of multiresistant strains are increasing regularly not only in different parts of the country, but also world-wide. [1][2][3][4][5][6][7][8] Hence the study was carried out to determine the antibiotic susceptibility proÞ le of Shigella spp. in Bangalore. Materials and MethodsDuring January 2002 to December 2007, 2941 stool samples were collected from diarrhoeal/dysenteric patients MAGNITUDE OF DRUG RESISTANT SHIGELLOSIS: A REPORT FROM BANGALORE H Srinivasa, *M Baijayanti, Y Raksha AbstractShigella is an important cause of acute invasive diarrhea in children and others. Antimicrobial susceptibility of Shigella spp. isolated from diarrhoeal/ dysenteric patients in Bangalore was studied in our hospital from January 2002 to December 2007. One hundred and thirty-four isolates were identiÞ ed as Shigella species. S. ß exneri, S. sonnei, S. boydii and S. dysenteriae were accounted respectively for 64.9%, 21.6%, 8.2% and 3.7% of the total number of Shigella isolated. Of these 56 (41.8%) were from chil...
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