Evaluation of swab transport systems against a published standard

    loading  Checking for direct PDF access through Ovid

Abstract

Background:

Before the publication of the M40-A standard by the United States National Committee for Clinical Laboratory Standards (NCCLS), no quality control data for swab transport systems (STSs) had been available.

Aims:

To compare three commercially available STSs against the published standard to ascertain bacterial survival after a set holding time.

Method:

Charcoal and non-charcoal containing swabs were inoculated with standard volumes and numbers of a range of bacteria commonly isolated from clinical material. Bacterial counts were taken at time zero, six, 24, and 48 hours, with the results being compared against the NCCLS standard.

Results:

The standard clearly differentiated between the three STSs tested, with one product being superior to the other two products in providing better survival.

Conclusion:

The standard now provides manufacturers and users of STSs with meaningful data to provide, purchase, and compare an STS for routine clinical use.

Related Topics

    loading  Loading Related Articles