Characteristics of Heart Failure Patients Misdiagnosed in the Emergency Department
Author Information
Author(s): Sean P Collins, Christopher J Lindsell, W Frank Peacock, Daniel C Eckert, Jeff Askew, Alan B Storrow
Primary Institution: University of Cincinnati
Hypothesis
What are the characteristics of emergency department patients misdiagnosed as non-decompensated heart failure?
Conclusion
The study found that emergency department diagnoses of decompensated heart failure were incorrect in 14.3% of patients, primarily due to missed diagnoses.
Supporting Evidence
- The overall rate of discordance between the ED diagnosis and the criterion standard diagnosis was 14.3%.
- Patients with a previous history of COPD and without a previous history of heart failure were more likely to be misdiagnosed.
- Median BNP levels were significantly lower in discordant patients compared to those with a concordant diagnosis.
Takeaway
Sometimes doctors in the emergency room miss heart failure in patients who actually have it, which can lead to serious problems. This study looked at why that happens.
Methodology
A prospective convenience sample of 439 patients was analyzed across 4 emergency departments, comparing those diagnosed with decompensated heart failure to those misdiagnosed.
Potential Biases
Emergency physicians were not blinded to BNP levels, which may have influenced their diagnoses.
Limitations
The study's reliance on retrospective reviews and the potential for bias in diagnosis due to non-blinded assessments of BNP levels.
Participant Demographics
Median age was 61, with 52.4% female and 49.2% white.
Statistical Information
P-Value
p<0.001
Confidence Interval
95% CI 11.3%-18.1%
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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