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Evaluation of early placentation and the embryonic circulation with Dopplr ultrasound. (CROSBI ID 31909)

Prilog u knjizi | izvorni znanstveni rad

Kurjak, Asim ; Kupešić, Sanja Evaluation of early placentation and the embryonic circulation with Dopplr ultrasound. // Color Doppler sonography in Gynecology and Obstetrics / Schmidt, Werner ; Kurjak, Asim (ur.). Stuttgart : New York (NY): Georg Thieme Verlag, 2005. str. 101 - 109-x

Podaci o odgovornosti

Kurjak, Asim ; Kupešić, Sanja

engleski

Evaluation of early placentation and the embryonic circulation with Dopplr ultrasound.

According to classic embryological textbooks intervillous circulation is established early in the first trimester. This process starts with trophoblastic invasion of the decidua in which proteolytic enzymes facilitate the penetration and erosion of the adjacent maternal capillaries with formation of the lacunae. After the lacunar or previllous stage trophoblast invades deeper portions of endometrium with belonging spiral arteries. This gradual process finishes with direct opening of the spiral arteries in the intervillous space under the fully developed placenta. This classic concept of establishment of the intervillous circulation was challenged in 1987 and 1988 by the experiments of HUSTIN and SHAAPS. The authors believed that blood flow in the intervillous space is absent in incompletely development before 12 weeks of gestation. After the introduction of the new generation of far more sensitive color Doppler devices in the last few years, our group and several others reported a positive finding of intervillous circulation during the first trimester of pregnancy.

early pregnancy, placentation, color Doppler studies, inetvillous circulation, spiral artery blood flow

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Podaci o prilogu

101 - 109-x.

objavljeno

Podaci o knjizi

Color Doppler sonography in Gynecology and Obstetrics

Schmidt, Werner ; Kurjak, Asim

Stuttgart : New York (NY): Georg Thieme Verlag

2005.

978-3-13-130131-4

Povezanost rada

Kliničke medicinske znanosti