Key result
A vascular landmark-based method for defining the left atrial appendage ostium in 4D computed tomography demonstrated high reproducibility, with an overall intraclass correlation coefficient of 0.988.
Why the study?
Defining a reproducible boundary between the left atrial appendage and the left atrium in 4-dimensional CT imaging remains a current problem for procedure planning and flow analysis.
Observational (n=25)
Effect estimate: ICC 0.988
A vascular landmark-based method using ECG-gated CT provides highly reproducible measurements of LAA volume, which is useful for planning LAA occlusion procedures.
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May aid LAA occlusion planning on 4D CT; leaves open impact on procedural success pending validation.
Schluchter et al. (2019) conducted an observational in Implantation and coronary artery imaging (n=25). Vascular landmark-based method for LAA ostium classification was evaluated on Overall intraclass correlation coefficient for LAA ostium definition (ICC 0.988). A vascular landmark-based method for defining the left atrial appendage ostium in 4D computed tomography demonstrated high reproducibility, with an overall intraclass correlation coefficient of 0.988.
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