Key result
The proposed MDCTA-based CFD method demonstrated high diagnostic performance for aortic coarctation with an average AUC of 0.958 and an average accuracy of 87.7% in test sets, outperforming the non-invasive criteria presented in the ESC guidelines.
Why the study?
Clinical diagnosis of aortic coarctation is challenging, prompting the validation of a new MDCTA-based CFD method for non-invasive peak systolic pressure gradient measurement that requires no medical data beyond MDCTA images.
Does an MDCTA-based CFD method improve diagnostic accuracy for aortic coarctation compared to ESC guideline criteria in pediatric patients?
Population
65 pediatric patients (38 with CoA and 27 without CoA)
Comparison
MDCTA-based CFD method vs ESC guideline non-invasive criteria against cardiac catheterization
Design
Diagnostic validation study with 5-fold cross-validation
Authors
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MDCTA-based CFD may aid noninvasive pediatric coarctation diagnosis; hypothesis-generating and requires prospective validation before practice change.
Observational (n=65)
No
Does an MDCTA-based CFD method improve diagnostic accuracy for aortic coarctation compared to ESC guideline criteria in pediatric patients?
Absolute Event Rate: 0.877% vs 0.539%
A novel MDCTA-based CFD method provides highly accurate, non-invasive diagnosis of aortic coarctation in pediatric patients, outperforming current ESC morphological guideline criteria.
Lu et al. (2020) conducted an observational in Aortic Coarctation (CoA) (n=65). MDCTA-based computational fluid dynamics (CFD) method vs. ESC guidelines criteria (narrowing rate) was evaluated on Diagnostic performance (AUC and accuracy) for aortic coarctation. The proposed MDCTA-based CFD method demonstrated high diagnostic performance for aortic coarctation with an average AUC of 0.958 and an average accuracy of 87.7% in test sets, outperforming the non-invasive criteria presented in the ESC guidelines.
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