Background: Thoracic acute aortic syndrome (AAS) and non-ST elevation myocardial infarction (NSTEMI) have similar clinical presentations, making them difficult to differentiate. This study aimed to identify useful biomarkers for the differential diagnosis of thoracic AAS and NSTEMI.
Methods: This was a retrospective observational study.
Participants: consecutive adult patients who visited the emergency department for acute chest pain between January 2015 and December 2021 diagnosed with thoracic AAS or NSTEMI. Clinical variables, including D-dimer (μg/mL) and high-sensitivity troponin T (ng/mL, hs-TnT) levels, were compared between the groups.
Results: A total of 52 (30.1%) and 121 (69.9%) patients were enrolled in the thoracic AAS and NSTEMI groups, respectively. Logistic regression analysis revealed that the D-dimer to hs-TnT (D/T) ratio (odds ratio (OR), 1.038; 95% confidence interval (CI), 1.020-1.056; < 0.001) and the thrombolysis in myocardial infarction (TIMI) score (OR, 0.184; 95% CI, 0.054-0.621; = 0.006) were associated with thoracic AAS. The D/T ratio had an area under the receiver operating characteristic curve (AUC) of 0.973 (95% CI, 0.930-0.998), and the optimal cutoff value was 81.3 with 91.4% sensitivity and 96.2% specificity. The TIMI score had an AUC of 0.769 (95% CI, 0.644-0.812), and the optimal cutoff value was 1.5 with 96.7% sensitivity and 38.5% specificity.
Conclusion: the D/T ratio may be a simple and useful parameter for differentiating thoracic AAS from NSTEMI.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10179683 | PMC |
| http://dx.doi.org/10.3390/jcm12093054 | DOI Listing |
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- * The study found a moderate incidence of severe outcomes, including a yearly primary endpoint rate of 1.4%, with younger patients experiencing higher risks and other complications affecting some patients as well.
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