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Titolo:
Emergence of multidrug-resistant Salmonella Gloucester and Salmonella Typhimurium in Bangladesh
Autore:
Rahman, M; Islam, R; Ahmed, D; Sack, RB;
Indirizzi:
ICDDRB, Ctr Hlth & Populat Res, Div Sci Lab, Dhaka 1000, Bangladesh ICDDRB Dhaka Bangladesh 1000 at Res, Div Sci Lab, Dhaka 1000, Bangladesh Johns Hopkins Univ, Sch Hyg & Publ Hlth, Dept Int Hlth, Baltimore, MD 21205 USA Johns Hopkins Univ Baltimore MD USA 21205 t Hlth, Baltimore, MD 21205 USA
Titolo Testata:
JOURNAL OF HEALTH POPULATION AND NUTRITION
fascicolo: 3, volume: 19, anno: 2001,
pagine: 191 - 198
SICI:
1606-0997(200109)19:3<191:EOMSGA>2.0.ZU;2-4
Fonte:
ISI
Lingua:
ENG
Soggetto:
ENTERICA SEROTYPE TYPHIMURIUM; UNITED-STATES; DT104; INFECTIONS; EPIDEMIC; PLASMIDS; HUMANS;
Keywords:
Salmonella; Salmonella infections; Salmonella Gloucester; Salmonella Typhimurium; drug resistance; microbial; antibiotic resistance; plasmid; Bangladesh;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Citazioni:
24
Recensione:
Indirizzi per estratti:
Indirizzo: Rahman, M ICDDRB, Ctr Hlth & Populat Res, Div Sci Lab, GPO Box 128, Dhaka 1000, Bangladesh ICDDRB GPO Box 128 Dhaka Bangladesh 1000 Dhaka 1000, Bangladesh
Citazione:
M. Rahman et al., "Emergence of multidrug-resistant Salmonella Gloucester and Salmonella Typhimurium in Bangladesh", J HEALTH PO, 19(3), 2001, pp. 191-198

Abstract

Infections due to non-typhoid Salmonella, resistant to antibiotics, have recently emerged as an important health problem worldwide. Antibiotic resistance was studied by the disc-diffusion method among 3,876 (2.78%) non-typhoid Salmonella isolates cultured from 139,279 faecal samples in a diarrhoea treatment centre in Dhaka, Bangladesh, during 1989-1996. Of 499 salmonellaeisolated in 1989, serogroup C (1.12%) was the most common, followed by Salmonella Typhi (0.72%) and serogroup B (0.71%). Isolation rate of serogroup B increased significantly to 2.18% (p<0.01) in 1992 compared to 0.56% in 1991, 2.86% in 1995, and 2.48% in 1996. Serotyping of 194 serogroup B isolates revealed Salmonella Typhimurium (52%) and Salmonella Gloucester (45%) as predominant serotypes. Resistance to ampicillin (A), chloramphenicol (C), and trimethoprim-sulphamethoxazole (Sxt) (R type-ACSxt) increased to 89-100%during 1992-1996 from 20-28% during 1989-1991 (p<0.01) among S. Typhimurium and S. Gloucester isolates. In 1993, 8-10% of the strains of both the serotypes, resistant to ampicillin, chloramphenicol, and trimethoprim-sulphamethoxazole, acquired resistance to ceftriaxone (Cr) (R type-ACSxtCr), which increased to 85-92% in 1996 (p<0.01). All were susceptible to ciprofloxacin. A 157-kb conjugative plasmid transferred R type-ACSxt from both the serotypes to Escherichia coli K-12. The findings of the study suggest the emergence of multidrug-resistant S. Gloucester and S. Typhimurium for the first time as a significant health problem in Bangladesh, and surveillance is essential to monitor the resistant non-typhoid Salmonella and identify its sources and modes of transmission.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 05/04/20 alle ore 03:26:43