ArticleLa Radiologia medica2018
Blood-threshold CMR volume analysis of functional univentricular heart.
Article in La Radiologia medica, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Cardiac output drop reflects circulatory attrition after Fontan completion: serial cardiac magnetic resonance study.European heart journal. Imaging methods and practice · 2023Article
- CMR in the diagnosis of ischemic heart disease.La Radiologia medica · 2020Review
- Cardiac magnetic resonance in arrhythmogenic cardiomyopathies.La Radiologia medica · 2020Review
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeTo validate a blood-threshold (BT) segmentation software for cardiac magnetic resonance (CMR) cine images in patients with functional univentricular heart (FUH). MATERIALS AND
methodsWe evaluated retrospectively 44 FUH patients aged 25 ± 8 years (mean ± standard deviation). For each patient, the epicardial contour of the single ventricle was manually segmented on cine images by two readers and an automated BT algorithm was independently applied to calculate end-diastolic volume (EDV), end-systolic volume (ESV), stroke volume (SV), ejection fraction (EF), and cardiac mass (CM). Aortic flow analysis (AFA) was performed on through-plane images to obtain forward volumes and used as a benchmark. Reproducibility was tested in a subgroup of 24 randomly selected patients. Wilcoxon, Spearman, and Bland-Altman statistics were used.
resultsNo significant difference was found between SV (median 57.7 ml; interquartile range 47.9-75.6) and aortic forward flow (57.4 ml; 48.9-80.4) (p = 0.123), with a high correlation (r = 0.789, p < 0.001). Intra-reader reproducibility was 86% for SV segmentation, and 96% for AFA. Inter-reader reproducibility was 85 and 96%, respectively.
conclusionThe BT segmentation provided an accurate and reproducible assessment of heart function in FUH patients.
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