CAJ | 학술논문

报告孕龄在21～38周的孕妇68例,按孕龄将胎儿分为三个组:21～26周,27～32周,33～38周.测量胎儿二尖瓣口的m流速度E、A、E/A、EI、AI、EI/AI、TI、SV=TI·Area.结果显示:①E、EI随胎龄的增加而显著增加;②A峰随胎龄的增加而轻度降低,这种变化没有显著性差异;③E/A、EI/AI随胎龄而增加,具有显著性;④SV随胎龄而增加,在每二组间都有显著性;⑤HR变化不大.
보고잉령재21～38주적잉부68례,안잉령장태인분위삼개조:21～26주,27～32주,33～38주.측량태인이첨판구적m류속도E、A、E/A、EI、AI、EI/AI、TI、SV=TI·Area.결과현시:①E、EI수태령적증가이현저증가;②A봉수태령적증가이경도강저,저충변화몰유현저성차이;③E/A、EI/AI수태령이증가,구유현저성;④SV수태령이증가,재매이조간도유현저성;⑤HR변화불대.
Sixty-eight normal fetuses from 18 to 38 weeks of gestation were examined by Doppler echoecrrdigraphy to measure the blood flow velocity through the mitral valve.The fetuses were divided into three groups according tO their gestational age:21 to 26,27 to 32 and 33 to 38 weeks.The parameters measured were E、A、E/A、EI、AI、EI/AI、TI and SV(SV=TI·Area).The results showed that:①E and EI,E/A and EI/AI increased significantly with the time of gestation,A decresed slightly but the change was not.②The increase of SV with the time of gestation was found and was significant between either tWO groups.③There were no conspicuons change in heart rate throughout gestation.