<scp>P</scp>23.05: Variation of safety indices during learning curve for assessment of fetal heart at 11 + 0 to 13 + 6 weeks' gestation

Nemescu, Dragoş; Berescu, Anca; Luca, Ana Karina C. De; Veduță, Alina; Potica, I.; Mircea, O.

doi:10.1002/uog.14448

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How To Scan the Heart In The First Trimester?1

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2023

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“…In the first trimester, concerns are particularly related to the highly focused energy delivered during Doppler ultrasound examination. The performance of modern machines makes it possible to limit the bioeffect by keeping the tissue Thermal Index and Mechanical Index below the recommended thresholds of 1.0 40,41 . Therefore, it appears safe to use ultrasound and Doppler for cardiac examination after 11 weeks of pregnancy if the ALARA (“As Low as Reasonably Achievable”) principles are followed.…”

Section: How To Scan the Heart In The First Trimester?mentioning

confidence: 99%

Congenital heart anomalies in the first trimester: From screening to diagnosis

2023

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Congenital heart defects occur in approximately 1% of liveborn children and represent the most common form of congenital malformation. Due to the small size and complexity of the heart structures, prenatal diagnosis is most often made in the second trimester of pregnancy. Early diagnosis however offers significant advantages regarding the timing of further investigations, prenatal counseling, and access to management options. In the last decade, advances in antenatal imaging have improved the detection of cardiac malformations with increasing emphasis on earlier pregnancy screening and diagnosis. We aim to summarize current “state of the art” imaging of the fetal heart in the first trimester.

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Section: How To Scan the Heart In The First Trimester?mentioning

confidence: 99%