Acta obstetricia et gynecologica Scandinavica · 2018
A score-based method for quality control of fetal hard palate assessment during routine second-trimester ultrasound examination.
Оценочное исследованиеСтатьяНазвание и аннотация: Перевод в очереди
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Fuchs Florent, Burlat Julie, Grosjean Fréderic, Rayssiguier Romy, Captier Guillaume, Faure Jean-Michel, Dumont Coralie
Аннотация
INTRODUCTION: When an orofacial cleft lip is discovered, precise characterization of this malformation is necessary, especially the extension of this cleft to the secondary palate. We aimed to develop and evaluate the feasibility/reproducibility of a score-based quality control for the visualization of the fetal hard palate during the second-trimester scan.
MATERIAL AND METHODS: All ultrasound images of fetal hard palate assessed routinely during second-trimester scan were retrospectively retrieved for a 6-month period. One hundred of these images were randomly selected and analyzed by two blinded reviewers, according to a scoring system (0-6 points). Criteria retained in the score were complete palate bone horizontal plate, presence of two pterygoid processes, visible alveolar ridge, and horizontal axis of insonation. A score ≥4 defined images of good quality. Inter- and intra-reviewer reproducibility was assessed.
RESULTS: Inter-reviewer reproducibility was excellent with significant correlation (Pearson coefficient 0.953; P < .0001), global adjusted κ coefficient (0.86, 95% CI 0.79-0.94) and individual criteria adjusted κ coefficient always > 0.8. Rates of images of good quality (score ≥ 4) were 75%-77%, also with excellent agreement (κ coefficient 0.89, 95% CI 0.79-0.99). Intra-reviewer reproducibility retrieved the same results (excellent agreement) except for the axis of insonation (satisfactory agreement).
CONCLUSIONS: This simple image scoring system for the fetal palate is easy, has excellent inter- and intra-reviewer reproducibility and could also help sonographers to correctly identify the palate structure.
MATERIAL AND METHODS: All ultrasound images of fetal hard palate assessed routinely during second-trimester scan were retrospectively retrieved for a 6-month period. One hundred of these images were randomly selected and analyzed by two blinded reviewers, according to a scoring system (0-6 points). Criteria retained in the score were complete palate bone horizontal plate, presence of two pterygoid processes, visible alveolar ridge, and horizontal axis of insonation. A score ≥4 defined images of good quality. Inter- and intra-reviewer reproducibility was assessed.
RESULTS: Inter-reviewer reproducibility was excellent with significant correlation (Pearson coefficient 0.953; P < .0001), global adjusted κ coefficient (0.86, 95% CI 0.79-0.94) and individual criteria adjusted κ coefficient always > 0.8. Rates of images of good quality (score ≥ 4) were 75%-77%, also with excellent agreement (κ coefficient 0.89, 95% CI 0.79-0.99). Intra-reviewer reproducibility retrieved the same results (excellent agreement) except for the axis of insonation (satisfactory agreement).
CONCLUSIONS: This simple image scoring system for the fetal palate is easy, has excellent inter- and intra-reviewer reproducibility and could also help sonographers to correctly identify the palate structure.