[Antibiotic resistance and distribution of plasmid-encoded beta- lactamases among agents of traveller's diarrhea].

Zentralblatt fur Bakteriologie, Mikrobiologie, und Hygiene. Series A, Medical microbiology, infectious diseases, virology, parasitology Pub Date : 1986-05-01

M G Baumgärtner

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Abstract

The polymicrobial aetiology of travellers's diarrhoea in 356 tourists travelling in Thailand and Burma was investigated. Besides enterotoxigenic E. coli, Salmonella sp. and Campylobacter fetus ssp. jejuni were identified as the most important enteric pathogens. Minimal inhibitory concentrations of several commonly used antibiotics were determined to reveal the percentage of enteric pathogens being resistant. 36.2% E. coli strains were found to be resistant to ampicillin and 14.3% of the Campylobacter isolates were considered to be resistant to erythromycin. Furthermore, the occurrence of some plasmid-borne beta-lactamases causing resistance to beta-lactam antibiotics was investigated, and the TEM-1 enzyme was found to be the most common one in enteric pathogens. Also a PSE-2-beta-lactamase (which is said to be Pseudomonas-specific) was identified in two strains of E. coli. Finally, the influence of antibiotic misuse on development of resistance was discussed by comparing the conditions in Bangkok and Rangoon.

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[抗生素耐药性和质粒编码β -内酰胺酶在旅行者腹泻病原体中的分布]。

对在泰国和缅甸旅游的356名游客的腹泻进行了多微生物病原学调查。除产肠毒素的大肠杆菌、沙门氏菌和胎儿弯曲杆菌外。空肠是最重要的肠道致病菌。测定几种常用抗生素的最低抑菌浓度，以揭示肠道病原体耐药的百分比。36.2%的大肠杆菌对氨苄西林耐药，14.3%的弯曲杆菌对红霉素耐药。此外，我们还调查了一些质粒携带的β -内酰胺酶对β -内酰胺类抗生素产生耐药性的情况，发现TEM-1酶是肠道病原体中最常见的酶。在两株大肠杆菌中也发现了pse -2- β -内酰胺酶(据说是假单胞菌特异性的)。最后，通过比较曼谷和仰光的情况，讨论了抗生素滥用对耐药性发展的影响。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Zentralblatt fur Bakteriologie, Mikrobiologie, und Hygiene. Series A, Medical microbiology, infectious diseases, virology, parasitology

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