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Standardized Six-Step Approach to the Performance of the Focused Basic Obstetric Ultrasound Examination
Alfred Abuhamad1, Yili Zhao1, Sharon Abuhamad1
1Department of Obstetrics and Gynecology, Eastern Virginia Medical School, Norfolk, Virginia.
Objectives:
This study aims to validate the feasibility and accuracy of a new standardized six-step approach to the performance of the focused basic obstetric ultrasound examination, and compare the new approach to the regular approach performed in the scheduled obstetric ultrasound examination.
Study Design:
A new standardized six-step approach to the performance of the focused basic obstetric ultrasound examination, to evaluate fetal presentation, fetal cardiac activity, presence of multiple pregnancy, placental localization, amniotic fluid volume evaluation, and biometric measurements, was prospectively performed on 100 pregnant women between 18(+0) and 27(+6) weeks of gestation and another 100 pregnant women between 28(+0) and 36(+6) weeks of gestation. The agreement of findings for each of the six steps of the standardized six-step approach was evaluated against the regular approach.
Results:
In all ultrasound examinations performed, substantial to perfect agreement (Kappa value between 0.64 and 1.00) was observed between the new standardized six-step approach and the regular approach.
Conclusion:
The new standardized six-step approach to the focused basic obstetric ultrasound examination can be performed successfully and accurately between 18(+0) and 36(+6) weeks of gestation. This standardized approach can be of significant benefit to limited resource settings and in point of care obstetric ultrasound applications.
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