A comparison of fetal organ measurements by echo-planar magnetic resonance imaging and ultrasound

被引:40
作者
Duncan, KR
Issa, B
Moore, R
Baker, PN
Johnson, IR
Gowland, PA [1 ]
机构
[1] Univ Nottingham, Sch Phys & Astron, Sir Peter Mansfield Magnet Resonance Ctr, Nottingham NG7 2RD, England
[2] Univ Nottingham, Dept Obstet & Gynaecol, Nottingham NG7 2RD, England
关键词
D O I
10.1111/j.1471-0528.2004.00318.x
中图分类号
R71 [妇产科学];
学科分类号
100211 ;
摘要
Objectives To compare fetal organ size measured using echo-planar magnetic resonance imaging and 2D ultrasound. To determine the relative accuracy with which each technique can predict fetal growth restriction. Design A cross sectional, observational study comparing two different measurement techniques against a gold standard, in a normal clinical population and an abnormal population. Setting and Population Seventy-four pregnant women ( 33 who were ultimately found to be normal and 37 with fetal growth restricted fetuses) were recruited from the City Hospital Nottingham UK to be scanned once ( at various gestations). Methods Each fetus had a standard ultrasound biometry assessment followed by magnetic resonance imaging measurement of organ volumes. Main outcome measures For each measurement for both techniques, the normal population was plotted with 90% confidence intervals. Fetal growth restricted subjects were compared with the normal population using this plot; 2 x 2 tables were created for each measurement. This was used to calculate the relative sensitivities and positive predictive value of the different measurements. A Bland - Altman plot was used to compare the ultrasound and magnetic resonance imaging measurements of fetal weight. Results Brain sparing was seen in ultrasonic head circumference measurements, but an overall reduction in fetal growth restriction brain volume was apparent using magnetic resonance imaging at late gestations. Across the whole range of gestational ages, ultrasound assessment of fetal weight was the best predictor of fetal growth restriction. Conclusion Ultrasound fetal weight assessment appears to identify more fetuses with fetal growth restriction than abdominal circumference. The brain sparing apparent in ultrasonic head circumference measurements of fetuses with fetal growth restriction masks a reduction in brain volume observed with magnetic resonance imaging.
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收藏
页码:43 / 49
页数:7
相关论文
共 36 条
[1]   MULTI-PLANAR IMAGE-FORMATION USING NMR SPIN ECHOES [J].
MANSFIELD, P .
JOURNAL OF PHYSICS C-SOLID STATE PHYSICS, 1977, 10 (03) :L55-L58
[2]   FETAL WEIGHT ESTIMATION BY ECHO-PLANAR MAGNETIC-RESONANCE-IMAGING [J].
BAKER, PN ;
JOHNSON, IR ;
GOWLAND, PA ;
HYKIN, J ;
HARVEY, PR ;
FREEMAN, A ;
ADAMS, V ;
WORTHINGTON, BS ;
MANSFIELD, P .
LANCET, 1994, 343 (8898) :644-645
[3]   ESTIMATION OF FETAL LUNG-VOLUME USING ECHO-PLANAR MAGNETIC-RESONANCE-IMAGING [J].
BAKER, PN ;
JOHNSON, IR ;
GOWLAND, PA ;
FREEMAN, A ;
ADAMS, V ;
MANSFIELD, P .
OBSTETRICS AND GYNECOLOGY, 1994, 83 (06) :951-954
[4]   MEASUREMENT OF FETAL LIVER, BRAIN AND PLACENTAL VOLUMES WITH ECHO-PLANAR MAGNETIC-RESONANCE-IMAGING [J].
BAKER, PN ;
JOHNSON, IR ;
GOWLAND, PA ;
HYKIN, J ;
ADAMS, V ;
MANSFIELD, P ;
WORTHINGTON, BS .
BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY, 1995, 102 (01) :35-39
[5]  
Blair E, 2000, INTRAUTERINE GROWTH RESTRICTION, P351
[6]  
BOARD NRP, 1991, 21 NRPB
[7]  
BROWN HL, 1987, OBSTET GYNECOL, V69, P631
[8]   ULTRASOUND MEASUREMENT OF FETAL HEAD TO ABDOMEN CIRCUMFERENCE RATIO IN ASSESSMENT OF GROWTH RETARDATION [J].
CAMPBELL, S ;
THOMS, A .
BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY, 1977, 84 (03) :165-174
[9]  
CAMPBELL S, 1993, ULTRASOUND OBST GYN, P1431
[10]   Fetal cerebral Doppler studies as a predictor of perinatal outcome and subsequent neurologic handicap [J].
Chan, FY ;
Pun, TC ;
Lam, P ;
Lam, C ;
Lee, CP ;
Lam, YH .
OBSTETRICS AND GYNECOLOGY, 1996, 87 (06) :981-988