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3 차원 초음파로 계산된 태아 대퇴부 부피에 의한 태아 체중 예측
이경화(Kyung Hwa Lee),최인열(In Yul Choi),허정기(Jung Gi Huh),윤병철(Byung Chul Yoon),문태식(Tae Sik Mun) 대한산부인과학회 2002 Obstetrics & Gynecology Science Vol.45 No.2
Objective : To compare the accuracy of three-dimensional (3-D) ultrasound-assessed fetal thigh volumetry in predicting birth weight with that of other commonly used formulas composed of biparietal dimeter (BPD), abdominal circumference (AC), and femur length (FL) by two-dimentional (2-D) ultrasonography. Methods : From May 1999 to February 2000 we performed a prospective study of ultrasonography on 100 pregnant women. We assessed the thigh volume of 100 fetuses using 3-D ultrasonography. Meanwhile their BPD, AC, and FL were measured by 2-D ultrasonography. All infants were delivered within 48 hours after the ultrasound examinations. Results : The thigh volume assessed by 3-D ultrasonography was highly correlated with birth weight (r=0.414, n=100, p<0.0001). The 3-D formula had small mean values of absolute mean error (gm) (64.26), absolute mean error (%) (10.20±0.80). As well, the 2-D formulas had similar mean values. However, no significant differences in predicting birth weight were found between 3-D formula and 2-D formulas. Conclusion : The 3-D ultrasound method assessed by thigh volume showed better accuracy in predicting birth weight than 2-D methed. Further studies may be needed to confirm our conclusions.