Traditional Insulin-Use Practices and the Incidence of Bacterial Contamination and Infection

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Abstract
While complex procedures are usually recommended to prevent infection atinsulin injection sites, adherence to these procedures is imperfect and their value incompletely established. Among 254 adult insulin users in two clinic populations, the reported prevalence of complete performance of four traditional insulin-use practices (handwashing, vial prep, skin prep, discarding of plastic syringes after one use) was 29%, and none of the individual practices considered was performed regularly by more than two-thirdsof the subjects. Even so, there was no infection at 2828 injection sites, and there was no significant bacterial contamination of insulin or syringes. These findings fail to support the view that traditional practices provide protection to insulin users against infection or bacterial growth in insulin or syringes. The authors suggest that modification of traditional teaching methods would do no harm, and that benefits could include financial savings, improved client success with self-care, and enhanced health care provider credibility.

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