Riko Takayoshi

Superb microvascular imaging with Doppler luminance using an 18-MHz probe to visualize fetal intra-abdominal blood vessels and organ microvasculature

Toshiyuki Hata, Aya Koyanagi, Tomomi Yamanishi et al. · Journal of Perinatal Medicine · 2019 · 25 citations

Medicine, Biomedical Engineering, Obstetrics +16

Fetal abdominal blood vessels and organ microvasculature detected by Slow<i>flow</i> HD

Toshiyuki Hata, Aya Koyanagi, Takahiro Yamanishi et al. · Ultrasound in Obstetrics and Gynecology · 2020 · 24 citations

Medicine, Maternal Health, Obstetrics +17

Success rate of five fetal cardiac views using HDlive Flow with spatiotemporal image correlation at 18–21 and 28–31 weeks of gestation

Toshiyuki Hata, Aya Koyanagi, Tomomi Yamanishi et al. · Journal of Perinatal Medicine · 2020 · 19 citations

Medicine, Obstetrics, Diagnostic Imaging +13

Evaluation of 24-segment sphericity index of fetal heart using <i>Fetal</i>HQ

Toshiyuki Hata, Aya Koyanagi, Tomomi Yamanishi et al. · The Journal of Maternal-Fetal & Neonatal Medicine · 2020 · 15 citations

Medicine, Obstetrics, Physiology +14

HDlive Flow Silhouette with spatiotemporal image correlation for assessment of fetal cardiac structures at 12 to 14 + 6 weeks of gestation

Toshiyuki Hata, Aya Koyanagi, Tomomi Kawahara et al. · Journal of Perinatal Medicine · 2021 · 15 citations

Medicine, Anatomy, Obstetrics +17