Diagnostic Error in the Critically Ill: A Hidden Epidemic?

Area of Science:

• Critical Care Medicine
• Medical Error Research
• Epidemiology

Background:

• Diagnostic error is a significant concern in intensive care units (ICUs).
• Existing epidemiologic studies predominantly rely on autopsy series to estimate error rates.
• Recent advancements in retrospective error measurement methods have refined our understanding.

Purpose of the Study:

• To summarize current knowledge on the frequency of diagnostic error in the ICU.
• To highlight the need for further research into risk factors associated with ICU diagnostic errors.

Main Methods:

• Review of existing epidemiologic studies, primarily descriptive autopsy series.
• Inclusion of recently validated retrospective methods for error assessment.

Main Results:

• Diagnostic error rates in the ICU are consistently estimated between 5% and 10%.
• Both traditional autopsy studies and newer retrospective methods yield similar frequency estimates.
• The frequency of diagnostic errors in ICUs is relatively well-established.

Conclusions:

• The prevalence of diagnostic errors in intensive care settings is approximately 5-10%.
• While the frequency is known, identifying specific risk factors for these errors requires further investigation.