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. 1975 Jan;181(1):35–39. doi: 10.1097/00000658-197501000-00009

The effect of differing ambient oxygen tensions on wound infection.

T K Hunt, M Linsey, H Grislis, M Sonne, E Jawetz
PMCID: PMC1343711  PMID: 804296

Abstract

Wound infections were studied in rabbits using two standard inocula (approximately equal to 10-4 and approximately equal to 10-6) of Pseudomonas aeruginosa injected into subcutaneous wound dead space made by implantation of standard wire mesh cylinders. The inoculation was done on the fourth day after implantation of the cylinders in animals kept from the day of implantation in atmospheres of 12%, 21%, or 45% oxygen content. Samples of wound fluid (0.2 ml) were removed for quantitative culture just before inoculation and 3, 7, 14, and 21 days later. No positive cultures resulted from samples taken before inoculation. One uninoculated wound served as a control in each animal. None of these control wounds became infected. Culture counts were significantly highest in the anoxic group and lowest in the hyperoxic group. Established infections were significantly lowest in the hyperoxics and highest in the hypoxics. The percent of wounds showing a significant culture count showed a similar trend. The mechanisms of this effect is not known, but a possible mechanism lies in the relative inability of leucocytes to kill this bacterium under hypoxic conditions.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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