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Biomedical subjects

C H Bullin

Publications and source records attributed to C H Bullin.

4 recordsLinked to original sources

An outbreak of post-operative sepsis due to a staphyloccoccal disperser.

A staphylococcal disperser employed as a theatre technician appeared to have been the source of 11 cases of wound sepsis over a period of about 3 years. He was primarily a nasal carrier and after attempts to eradicate Staphylococcus aureus from his nose failed, his skin dispersal was controlled by daily washing with 4% chlorhexidine detergent ('Hibiscrub') and he was allowed to resume his theatre duties under careful bacteriological surveillance. Over the following 2 years 173 dispersal tests showed a mean dispersal of 1 . 7 c.f.u. per 2800 l air compared with a mean of 152 c.f.u. per 2800 l air in the mouth immediately preceding treatment and 55 c.f.u. per 2800 l in the period after cessation of treatment. One case of wound sepsis was attributed to the technician during the 2 years in which he received skin disinfection treatment.

Chlorhexidine↗

Thymidine-dependent Escherichia coli infection and some associated laboratory problems.

The rapid emergence of a thymidine-dependent strain of Escherichia coli in a patient treated with co-trimoxazole is described. The organism was recovered from blood cultures during a septicaemia which developed after only a few days of co-trimoxazole treatment. The cultural characteristics of three thymidine-dependent strains were studied and a remarkable variation was found in their ability to grow on different batches of blood agar, depending upon the age of the plates and the type of agar base used.

Adult↗

Isolation of Mycobacterium xenopei from water taps.

An increase in the number of isolations of Mycobacterium xenopei from sputum suggested environmental contamination. The organism was recovered from water taps in 61 of 111 pairs of hot and cold water taps in one hospital, 20 of the 74 pairs in another hospital, but from only 3 of 61 pairs of taps in a third hospital and two of 34 pairs in private houses. Scotochromogens were recovered from taps in the first two hospitals only, and M. kansasii was isolated twice from the same tap in the first hospital. No mycobacteria were isolated from pigeon droppings or viscera, nor from patients' tooth brushes, tooth powder or razor debris. The source of contamination is not known.

Animals↗