Rie Oyama, Iwate Medical University, Japan

Rie Oyama

Iwate Medical University, Japan

Presentation Title:

24-Segment global sphericity index is useful for assessing fetal cardiac function and as an indicator of fetal wellbeing

Abstract

Background: Automated technologies have become increasingly vital in fetal cardiac assessment. Fetal heart quantification (HQ), which utilizes twodimensional speckle tracking, provides quantitative measures of morphology and function. This study aims to identify the progression of many fetal cardiac function parameters during pregnancy in normal pregnant women and to determine which parameters are relevant to fetal well-being and worth considering.

Methods: We conducted a prospective observational study as a reproducible, quantitative approach to fetal cardiac assessment. These key indices may serve as potudy involving fetuses of 26 normal pregnant women to evaluate 26 fetal HQ parameters. Additionally, we analyzed a case of fetal growth restriction complicated by a double-outlet right ventricle and total anomalous pulmonary venous connection.

Results: Four parameters, which were tricuspid valve width, tricuspid valve length, the area of the four-chamber view, and right ventricular end-diastolic area might be particularly informative. It is possible to perform serial assessments of fetal cardiac contractile development throughout gestation. Fetal HQ detected abnormal right ventricular loading and impaired contractility.

Conclusion: Fetal HQ provide reliable indicators of fetal well-being and facilitate the early detection of cardiac dysfunction in high-risk pregnancies.

A double-suction centrifugal type of pump was converted into a hydraulic turbine (pat-pump acting as turbine). The casing was maintained and the pump impeller was replaced by a hydraulic runner. It was made of stainless steel with a diameter of 0.662 meter. It had 12 blades as compared to the 5 blades of the original pump impeller. It was assembled inside the original pump casing and was installed along the existing 0.9 m diameter water pipeline of the rio verde water consortium inc. Water treatment plant has an elevation of around 100 meters above sea level. A bypass line was connected along the existing pipeline to accommodate the installation of the PAT

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