Key result
Quantitative H-FABP assays demonstrated 81% sensitivity and 80% specificity for early myocardial infarction, but estimates were subject to substantial uncertainty and heterogeneity.
Why the study?
Does H-FABP testing at presentation improve early diagnostic sensitivity and specificity for myocardial infarction in patients with suspected acute coronary syndrome?
Population
Patients presenting with suspected acute coronary syndrome (17 studies: 8 quantitative, 9 qualitative H-FABP)
Comparison
Quantitative and qualitative Heart-type fatty… vs Reference standard based on the Universal…
Design
Meta-analysis
Authors
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Substantial uncertainty and heterogeneity limit H-FABP's role in early MI diagnosis; leaves open additive value to troponin.
Meta-Analysis
Does H-FABP testing at presentation improve early diagnostic sensitivity and specificity for myocardial infarction in patients with suspected acute coronary syndrome?
Effect estimate: Sensitivity 81% and specificity 80% for quantitative assays
H-FABP has modest diagnostic accuracy for early MI and may increase sensitivity when added to standard troponin, though at the cost of reduced specificity.
Carroll et al. (2012) conducted a meta-analysis in Suspected acute coronary syndrome. Heart-type fatty acid binding protein (H-FABP) assays vs. Reference standard based on the Universal definition of MI was evaluated on Early sensitivity and specificity for myocardial infarction (Sensitivity 81% and specificity 80% for quantitative assays). Quantitative H-FABP assays demonstrated 81% sensitivity and 80% specificity for early myocardial infarction, but estimates were subject to substantial uncertainty and heterogeneity.
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