Accuracy of automated 3D ultrasound imaging technique for fe
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Automated 3D ultrasound imaging of the fetal head using an artificial intelligence?based tool reliably identified biparietal diameter (BPD) and head circumference (HC) but was less consistent with transcerebellar diameter (TCD), cisterna magna (CM), and posterior horn of the lateral ventricle (Vp).

The study evaluates the accuracy of an automated three?dimensional (3D) ultrasound technique for fetal intracranial measurements compared with the manual acquisition.

This was a prospective observational study of patients presenting for a routine anatomical survey between 18?+?0 and 22?+?6?weeks gestation. Each patient underwent two consecutive ultrasound examinations of the fetal head, one by a sonographer and one by a physician. Each operator obtained manual measurements of the BPD, HC, TCD, CM, and Vp, followed by automated measurements of these structures using an artificial intelligence?based tool. Both operators repeated the automated approach until all five measurements were obtained in a single sweep, up to a maximum of three attempts.

One hundred and forty?three women were enrolled. 15 patients had at least one prior Cesarean delivery, 17 had other abdominal surgery and 78 had an anterior placenta.

--Successful acquisition of the automated measurements was achieved on the first, second, and third attempts in 70%, 22%, and 3% of patients, respectively, by sonographers and in 76%, 16%, and 3% of cases, respectively, by physicians.

--The automated algorithm was not able to identify and measure all five structures correctly in six and seven patients scanned by the sonographers and physicians, respectively.

--The ICCs reflected good reliability of the automated compared with the manual approach for BPD and HC and poor to moderate reliability for TCD, CM, and Vp.

--Fetal lie, head position, placental location, maternal subcutaneous thickness, and prior Cesarean section were not associated with the success or accuracy of the automated technique.

Automated 3D ultrasound imaging of the fetal head with an artificial intelligence?based tool reliably identified and measured BPD and HC but was less consistent in accurately identifying and measuring TCD, CM and Vp.

Ultrasounds in Obstetrics & Gynecology
Source: https://doi.org/10.1002/uog.22171
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