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Published on: June 11, 2012
Post-analytical errors with portable glucose meters in the hospital setting
1Department of Laboratory Medicine, University-Hospital of Padova, Italy. paolo.carraro@sanita.padova.it
Summary
Point-of-care testing (POCT) for blood glucose offers rapid results for critical patients. However, manual data transcription in patient records shows high error rates, though no adverse events were linked to these POCT errors.
Area of Science:
- Clinical Chemistry
- Medical Diagnostics
- Patient Safety
Background:
- Point-of-care testing (POCT) for blood glucose is crucial for rapid patient monitoring in critical conditions.
- Limited literature exists on the reliability and safety of POCT, particularly concerning the post-analytical phase.
Purpose of the Study:
- To investigate the type, frequency, and clinical risks of errors in the post-analytical phase of blood glucose POCT.
- To evaluate manual data transcription of POCT results in a hospital setting.
Main Methods:
- Analysis of 1966 blood glucose determinations recorded by nurses over 30 days in two hospital wards.
- Assessment of data completeness, time accuracy, and glucose concentration accuracy during manual transcription.
Main Results:
- A significant percentage of results were missed (12.1%) or inaccurately recorded (7.2% for time, 3.2% for concentration).
- Despite high error rates in data transcription, no adverse patient events were directly attributed to these POCT-related errors.
Conclusions:
- The post-analytical phase of blood glucose POCT is prone to frequent transcription errors.
- While transcription errors are common, current evidence suggests they did not lead to adverse events in this study, highlighting a need for improved data management protocols.
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