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정상임신중 Doppler초음파에 의한 태아 뇌의 내경동맥 혈류속도파형의 양상
신희철 ( Hee Chul Shin ),윤보현 ( Bo Hyun Yoon ),노정래 ( Cheong Rae Roh ),김완영 ( Wan Yung Kim ),최두석 ( Doo Seok Choi ),김승욱 ( Syng Wook Kim ) 대한주산의학회 1990 大韓周産醫學會雜誌 Vol.1 No.1
Blood flow velocity waveforms recorded by pulsed real time Doppler ultrasound from the fetal internal carotid artery were analysed in 123 normal pregnancies. One hundred twenty-eight determinations were carried out from the 29th to the 43th weeks of pregnancy. All cases presented highly pulsatile waveforms in the fetal internal carotid artery, with continuous forward flow during diastole. As gestation advances, the values for the A/B ratio and RI declined progressively indicating a gradual fall in resistance of the cerebral circulation in normal pregnancy. The reference values obtained from this study may be useful as a basis for new basic research and clinical application in prenatal care.