Assessing the severity of medication administration errors identified in an observational study using a valid and...

Area of Science:

• Healthcare Quality and Safety
• Clinical Pharmacy
• Patient Safety Research

Background:

• Limited epidemiological data exists on the severity of medication errors.
• Standardization in identifying medication administration errors and appropriate severity assessment tools are lacking.
• This study addresses the need to evaluate potential error severity using direct observation in a teaching hospital.

Purpose of the Study:

• To assess the potential severity of medication administration errors identified through direct observation.
• To provide a quantitative measure of error severity using a validated scoring system.
• To identify patterns in potentially serious medication errors.

Main Methods:

• A validated 10-point scale was used to assess the potential severity of medication administration errors.
• 203 previously identified errors were categorized into 67 unique error types.
• A panel of physicians, nurses, and pharmacists evaluated the severity of each error type.

Main Results:

• 8.8% of errors were classified as minor, 82.8% as moderate, and 8.4% as severe.
• Technical errors constituted 41% of potentially serious errors.
• Insulin was frequently involved in potentially serious errors, with 53% of these involving intravenous administration.

Conclusions:

• The expert panel deemed most medication errors to be of moderate potential severity.
• The observed frequency of potentially serious medication errors exceeded that of previous studies using similar methods.
• There is a clear need to implement strategies to decrease the occurrence of serious medication errors.