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Studies on microbial contamination of reused disposable plastic insulin syringes
The Journal of Hospital Infection
|January 1, 1986
Abstract:
The microbial contamination of reused disposable insulin syringes and bottles was studied. Fourteen patients, aged 16-64 years, took part in the study. 50 syringes and 52 bottles were examined for sterility at different stages of use. Twelve (24%) syringes and 4 (8%) bottles were found to be contaminated by micro-organisms, although only in low numbers. The micro-organisms recovered belonged to the normal skin flora of man.
Insights
Reusing disposable insulin syringes and bottles can lead to microbial contamination. While low-level contamination was detected, the microorganisms were typical skin flora.
Area of Science:
- Microbiology
- Infectious Diseases
- Public Health
Background:
- Disposable insulin syringes and vials are widely used for diabetes management.
- Concerns exist regarding the safety and sterility of reusing medical devices.
- Understanding microbial contamination risks is crucial for patient safety.
Purpose of the Study:
- To investigate the microbial contamination of reused disposable insulin syringes and bottles.
- To identify the types of microorganisms present on these reused devices.
- To assess the extent of contamination in a patient cohort.
Main Methods:
- Sterility testing of 50 syringes and 52 bottles from 14 patients undergoing different stages of use.
- Microbiological analysis to detect and identify contaminating organisms.
- Correlation of contamination with device usage patterns.
Main Results:
- A significant percentage of reused items showed contamination: 24% of syringes and 8% of bottles.
- Contamination levels were generally low.
- Identified microorganisms were consistent with normal human skin flora.
Conclusions:
- Reusing disposable insulin syringes and vials presents a risk of low-level microbial contamination.
- The identified microorganisms suggest contamination originates from skin contact.
- Strict adherence to single-use protocols for insulin delivery devices is recommended to prevent potential infections.