Browsing by Author "Okai, Takashi"

Now showing items 1-3 of 3

1989-01-01Zeitschriftenartikel

Development of an ultrasonic system for three-dimensional reconstruction of the fetus

Baba, Kazunori; Satoh, Kazuo; Sakamoto, Shoichi; Okai, Takashi; Ishii, Shigeo
2009-07-28Zeitschriftenartikel

Evaluation of placental function using near infrared spectroscopy during fetal growth restriction

Hasegawa, Junichi; Nakamura, Masamitsu; Matsuoka, Ryu; Mimura, Takashi; Ichizuka, Kiyotake; Sekizawa, Akihiko; Okai, Takashi

Objectives: To investigate whether a near infrared spectroscopy (NIRS) system is useful for evaluation of the placental function in cases of fetal growth restriction (FGR). Methods: Subjects included 282 delivered neonates ...
2009-03-05Zeitschriftenartikel

Umbilical cord insertion site in early gestation and development of placenta

Hasegawa, Junichi; Matsuoka, Ryu; Ichizuka, Kiyotake; Sekizawa, Akihiko; Okai, Takashi

Aim: To study the relation of umbilical cord insertion (CI) site in early gestation and placental development from the chorion villosum. Methods: We ultrasonically measured the distance between the internal cervical Os ...