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- W2895852421 abstract "To evaluate image-based quality assessment of first trimester anatomical scanning, similar to that used in mid-trimester anomaly screening; and to determine clinical feasibility and reproducibility of its use. Seven first-trimester anatomical image views were assessed: fetal head (axial), orbits (axial or coronal), 4 chamber view of the heart, spine (sagittal), abdominal wall with cord insertion (axial), upper limbs and lower limbs. For each view, 100 anonymised transabdominal ultrasound images, taken between 11+0-14+0 weeks gestational age, and purposely selected to be of varying quality, were included. Four experienced reviewers evaluated the quality of each image as either acceptable or unacceptable based on their clinical practice, but were purposely not given objective scoring criteria. Inter- and intra-reviewer reliability of this subjective assessment was evaluated. All 2,800 assessments were evaluated (4 reviewers assessing 700 images subjectively). Overall, 50% of images were found to be acceptable; overall reviewers agreed in 70% of cases (Kappa (K)=0.40). There was complete agreement by all 4 reviewers in the evaluation of 46% of images. The greatest discordance between assessments was in subjective evaluation of images of the spine (agreement 54%, K=0, minimal agreement), while inter-reviewer agreement was highest in the evaluation of the brain (76%, K=0.46) and upper limbs (76%, K=0.46). Percent agreement and kappa for the orbits, heart, abdomen and lower limbs were 71% (0.42), 66% (0.33), 72% (0.45) and 72% (0.39) respectively. Sonologists scoring image quality from first trimester anatomy screening exhibit fair to moderate inter-observer agreement for most structures, but poor agreement when assessing the fetal spine. The 4 reviewers demonstrated complete agreement in less than 50% of cases suggesting poor reproducibility overall. Further work to develop auditable standards and an objective quality assessment system should be undertaken to better standardise and improve quality of images generated during first trimester anomaly screening." @default.
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- W2895852421 date "2018-10-01" @default.
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- W2895852421 title "OC20.05: Image review for quality of the first trimester anomaly scan" @default.
- W2895852421 doi "https://doi.org/10.1002/uog.19343" @default.
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