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. 1969 May 17;2(5654):407-11.
doi: 10.1136/bmj.2.5654.407.

Drug resistance and R factors in the bowel bacteria of London patients before and after admission to hospital

N Datta

Drug resistance and R factors in the bowel bacteria of London patients before and after admission to hospital

N Datta. Br Med J. .

Abstract

The content of drug-resistant coliform bacteria in faecal specimens collected before admission from patients awaiting non-urgent surgery were compared with specimens collected in hospital. Resistant strains of Escherichia coli were isolated from 52% of preadmission specimens and were present in large numbers in 28%. Tetracycline, sulphonamide, and streptomycin resistance were commonest: 60% of resistant strains carried transmissible R factors and multiple resistance was commoner than single. No characteristically resistant intestinal bacteria of any genera were found in hospital specimens as compared with those from outside.

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