2025 , Vol. 22 >Issue 02: 120 - 130
DOI: https://doi.org/10.3877/cma.j.issn.1672-6448.2025.02.005
胎儿心脏定量分析技术评估单纯性完全型大动脉转位胎儿心脏形态及功能的初步研究
Copy editor: 汪荣
收稿日期: 2024-12-22
网络出版日期: 2025-04-01
基金资助
国家重点研发计划项目(2023YFC2705700)浙江大学科学技术研究院一般横向项目(校合-2021-KYY-518053-0055)浙江省中医药科学研究基金项目(2018ZB075)
版权
Evaluation of cardiac morphology and function in fetuses with simple complete transposition of the great arteries using fetal heart quantification:a preliminary study
Received date: 2024-12-22
Online published: 2025-04-01
Copyright
目的
探讨胎儿心脏定量分析技术(fetal HQ)在评价单纯性完全型大动脉转位(D-TGA)胎儿心脏形态和功能中的价值。
方法
回顾性分析2020 年5 月至2023 年12 月在浙江大学医学院附属邵逸夫医院就诊,经胎儿超声心动图诊断为单纯性D-TGA 的胎儿31 例(D-TGA 组),并选取与其孕龄相匹配的正常胎儿171 例作为对照(对照组)。采集胎儿标准四腔心切面,应用fetal HQ软件测量舒张末期基底-心尖长度、横向宽度、面积,计算整体球形指数(GSI);测量左、右心室功能变化:包括左心室射血分数(EF)、左右心室面积变化率(FAC);通过斑点追踪技术分析左右心室舒张末期面积、长径及24 节段舒张末期横向长度(ED)、球形指数(SI)、短轴缩短率(FS)及左右心室整体纵向应变(GLS)。分析比较2 组胎儿的心脏大血管参数以及主动脉瓣环直径(AO)、肺动脉瓣环直径(PA)、主肺动脉直径(MPA)及其Z-评分。
结果
D-TGA 组与对照组间GSI、左右心室FAC、左右心室GLS、左心室舒张末期面积、左心室长度比较差异有统计学意义(P 均<0.05)。左心室20 ~24 节段、右心室8 ~24 节段ED 比较差异有统计学意义(P 均<0.05);左心室20 ~24 节段、右心室15 ~22 节段FS 比较差异有统计学意义(P 均<0.05);左心室1 ~4 节段、10 ~17 节段及第19 节段,右心室1 ~9 节段SI 比较差异有统计学意义(P 均<0.05)。D-TGA 组胎儿AO Z-评分与PA Z-评分比较差异有统计学意义(1.32±0.70 vs -0.22±1.09,P<0.05)。
结论
心室比例失调及功能改变是D-TGA 胎儿的重要特征,利用fetal HQ 技术可定量评估D-TGA 胎儿的心脏形态和功能,为分析D-TGA 胎儿的心室重构提供参考依据。
沈婷婷 , 赵博文 , 潘美 , 彭晓慧 , 陈冉 , 田园诗 , 张铭旋 . 胎儿心脏定量分析技术评估单纯性完全型大动脉转位胎儿心脏形态及功能的初步研究[J]. 中华医学超声杂志(电子版), 2025 , 22(02) : 120 -130 . DOI: 10.3877/cma.j.issn.1672-6448.2025.02.005
Objective
To assess the value of fetal heart quantiflcation (fetal HQ) in evaluating heart morphology and function in fetuses with simple complete transposition of the great arteries (D-TGA).
Methods
Thirty-one fetuses with simple D-TGA (D-TGA group) diagnosed by fetal echocardiography who visited Sir Run Run Shaw Hospital, Zhejiang University School of Medicine from May 2020 to December 2023 were retrospectively analyzed, and 171 normal fetuses with matched gestational weeks were used as controls (control group).Fetal standard 4-chamber views (4CV) were collected, and fetal HQ software was applied to measure end diastolic basal apical length, transverse width, and area, and calculate the global spherical index (GSI).Measurements of left and right ventricular functional changes were also performed,including left ventricular ejection fraction (EF), and left and right ventricular fraction area change (FAC).Left and right ventricular end-diastolic areas were analyzed by speckle tracking imaging (STI), and longitudinal diameter and 24-segment end-diastolic diameter (ED), spherical index (SI), fractional shortening (FS),and global longitudinal strain (GLS) of the left and right ventricles were analyzed by STI.The great artery parameters of the fetuses in both groups were analyzed, including aortic diameter (AO), pulmonary artery diameter (PA), main pulmonary artery diameter (MPA), and their Z-scores.
Results
The differences in GSI, left and right ventricular FAC, left and right ventricular GLS, left ventricular end-diastolic area, and left ventricular length were signiflcant between the D-TGA group and the control group (all P<0.05).There were statistically signiflcant differences in ED of left ventricular segments 20-24 ED and right ventricular segments 8-24 (all P<0.05), in FS of left ventricular segments 20-24 and right ventricular segments (all P<0.05).and in SI of left ventricular segments 1-4, 10-17, and 19, and right ventricular segments 1-9 (all P<0.05)between the two groups.The difference between fetal AO Z-score and PA Z-score in the D-TGA group was statistically significant (1.32±0.70 vs -0.22±1.09, P<0.05).
Conclusion
Quantitative assessment of fetal cardiac morphology and function using the fetal HQ technique provides a reference basis for analyzing ventricular remodeling in D-TGA fetuses.
图1 完全型大动脉转位胎儿超声心动图诊断切面。图a 为四腔心切面未见明显异常,左右心大小对称、房室连接关系正常; 图b 为心室流出道切面显示主动脉起源于右心室,肺动脉起源于左心室,主动脉与肺动脉平行走行; 图c 为三血管气管切面,呈典型“I”字形,仅显示两条血管,主动脉和上腔静脉;图d 为三血管切面显示典型的血管排列关系异常,由正常胎儿的“一条线”变为“三角形”,主动脉位于肺动脉的右前方,肺动脉位于主动脉的左后方注:LV 为左心室;RV 为右心室;LA 为左心房;RA 为右心房;AO 为主动脉;PA 为肺动脉;SVC 为上腔静脉;T 为气管;AAO 为升主动脉;MPA 为主肺动脉 |
表1 D-TGA 组与对照组胎儿心血管参数比较[ |
组别 | 例数 | 年龄(岁) | 孕龄(周) | 心轴(°) | 心胸比 | 4CV ED L(mm) | 4CV ED TW(mm) | |
---|---|---|---|---|---|---|---|---|
对照组 | 171 | 29.87±3.91 | 24(23,26) | 45.61±5.17 | 0.46±0.05 | 31.01±3.29 | 24.59(22.81,26.51) | |
D-TGA 组 | 31 | 28.90±4.28 | 23(22,25) | 46.31±5.79 | 0.48±0.07 | 31.27±4.90 | 24.70(22.52,26.26) | |
统计值 | t=1.249 | Z=1.826 | t=-0.688 | t=-1.596 | t=-0.371 | Z=-0.837 | ||
P 值 | 0.213 | 0.068 | 0.492 | 0.112 | 0.711 | 0.403 | ||
组别 | 例数 | 4CV A(mm2) | 4CV GSI | LVEF(%) | LVFAC(%) | LVGLS(%) | RVFAC(%) | RVGLS(%) |
对照组 | 171 | 593(529,673) | 1.26±0.09 | 63.62±5.96 | 49.54±5.28 | -26.91±4.62 | 44.73±4.41 | -25.61±3.88 |
D-TGA 组 | 31 | 605(492,665) | 1.22±0.11 | 64.29±8.70 | 47.28±7.46 | -24.81±5.96 | 37.94±5.27 | -22.71±4.79 |
统计值 | Z=-0.257 | t=2.091 | t=-0.408 | t=2.050 | t=2.217 | t=7.655 | t=3.688 | |
P 值 | 0.797 | 0.038 | 0.685 | 0.042 | 0.028 | < 0.001 | < 0.001 | |
组别 | 例数 | LV ED A( cm2>) | RV ED A(cm2) | LV A/RV A | LV ED L(cm) | RV ED L(cm) | LV L/RV L | |
对照组 | 171 | 1.20±0.28 | 1.10±0.24 | 1.10±0.16 | 1.75±0.25 | 1.48±0.21 | 1.19±0.14 | |
D-TGA 组 | 31 | 1.08±0.26 | 1.05±0.34 | 1.06±0.14 | 1.65±0.25 | 1.48±0.24 | 1.12±0.14 | |
t 值 | 2.074 | 1.030 | 1.238 | 2.022 | 0.044 | 2.333 | ||
P 值 | 0.039 | 0.304 | 0.217 | 0.044 | 0.965 | 0.021 |
注:D-TGA 为完全型大动脉转位;4CV ED L 为四腔心舒张末期长径;4CV ED TW 为四腔心舒张末期横径;4CV A 为四腔心舒张末期面积;4CV GSI 为四腔心整体球形指数;LVEF 为左心室射血分数;LVFAC 为左心室面积变化率;LVGLS 为左心室整体纵向应变;RVFAC 为右心室面积变化率;RVGLS 为右心室整体纵向应变;LV ED A 为左心室舒张末期面积;RV ED A 为右心室舒张末期面积;LV ED L 为左心室舒张末期长径;RV ED L 为右心室舒张末期长径;LV A/RV A 为左心室面积与右心室面积之比;LV L/RV L 为左心室长径与右心室长径之比 |
表2 D-TGA 组与对照组左心室24 节段ED 比较(mm, |
组别 | 例数 | ED1 | ED2 | ED3 | ED4 | ED5 | ED6 |
---|---|---|---|---|---|---|---|
对照组 | 171 | 8.68±1.41 | 8.75±1.39 | 8.81±1.39 | 8.85±1.39 | 8.85±1.39 | 8.80±1.38 |
D-TGA 组 | 31 | 8.61±1.63 | 8.57±1.60 | 8.52±1.58 | 8.47±1.58 | 8.41±1.57 | 8.32±1.56 |
t 值 | 0.253 | 0.645 | 1.036 | 1.370 | 1.622 | 1.752 | |
P 值 | 0.801 | 0.520 | 0.302 | 0.172 | 0.106 | 0.081 | |
组别 | 例数 | ED7 | ED8 | ED9 | ED10 | ED11 | ED12 |
对照组 | 171 | 8.71±1.37 | 8.58±1.36 | 8.44±1.35 | 8.30±1.33 | 8.14±1.30 | 7.97±1.27 |
D-TGA 组 | 31 | 8.22±1.54 | 8.11±1.52 | 8.03±1.49 | 7.92±1.46 | 7.79±1.42 | 7.69±1.42 |
t 值 | 1.786 | 1.754 | 1.553 | 1.451 | 1.350 | 1.107 | |
P 值 | 0.076 | 0.081 | 0.122 | 0.148 | 0.179 | 0.270 | |
组别 | 例数 | ED13 | ED14 | ED15 | ED16 | ED17 | ED18 |
对照组 | 171 | 7.78±1.23 | 7.56±1.20 | 7.34±1.17 | 7.13±1.14 | 6.96±1.12 | 6.82±1.11 |
D-TGA 组 | 31 | 7.57±1.45 | 7.38±1.42 | 7.18±1.40 | 6.98±1.38 | 6.75±1.30 | 6.51±1.24 |
t 值 | 0.846 | 0.742 | 0.666 | 0.677 | 0.955 | 1.376 | |
P 值 | 0.399 | 0.459 | 0.506 | 0.499 | 0.341 | 0.170 | |
组别 | 例数 | ED19 | ED20 | ED21 | ED22 | ED23 | ED24 |
对照组 | 171 | 6.62±1.10 | 6.25±1.07 | 5.59±0.99 | 4.56±0.83 | 3.21±0.59 | 1.66±0.31 |
D-TGA 组 | 31 | 6.22±1.23 | 5.80±1.23 | 5.13±1.16 | 4.17±0.99 | 2.94±0.73 | 1.53±0.41 |
t 值 | 1.829 | 2.108 | 2.331 | 2.332 | 2.253 | 1.988 | |
P 值 | 0.069 | 0.036 | 0.021 | 0.021 | 0.025 | 0.048 |
注:D-TGA 为完全型大动脉转位;ED 为舒张末期横径 |
表3 D-TGA 组与对照组左心室24 节段FS 比较[%, |
组别 | 例数 | FS1 | FS2 | FS3 | FS4 |
---|---|---|---|---|---|
对照组 | 171 | 16.71(11.91,21.52) | 18.25(14.14,23.05) | 19.74(15.81,24.57) | 21.36(17.12,26.15) |
D-TGA 组 | 31 | 19.09(10.72,27.10) | 21.27(11.75,29.29) | 22.62(13.49,30.50) | 24.59(14.01,31.42) |
Z 值 | -1.199 | -1.150 | -0.917 | -0.720 | |
P 值 | 0.231 | 0.250 | 0.359 | 0.472 | |
组别 | 例数 | FS5 | FS6 | FS7 | FS8 |
对照组 | 171 | 23.17(19.02,27.87) | 24.72(20.81,29.28) | 26.74(22.45,31.11) | 28.54(24.53,33.01) |
D-TGA 组 | 31 | 25.94(15.56,31.37) | 27.36(17.48,31.37) | 28.32(18.95,34.25) | 28.71(21.59,37.37) |
Z 值 | -0.633 | -0.641 | -0.613 | -0.362 | |
P 值 | 0.527 | 0.521 | 0.540 | 0.717 | |
组别 | 例数 | FS9 | FS10 | FS11 | FS12 |
对照组 | 171 | 30.34(26.31,34.91) | 32.47(26.91,36.34) | 34.09(28.76,38.36) | 36.58(30.53,40.20) |
D-TGA 组 | 31 | 28.85(24.10,38.83) | 30.21(24.78,41.27) | 32.66(26.66,44.07) | 35.45(28.69,44.07) |
Z 值 | 0.040 | 0.114 | 0.227 | 0.351 | |
P 值 | 0.968 | 0.910 | 0.820 | 0.726 | |
组别 | 例数 | FS13 | FS14 | FS15 | FS16 |
对照组 | 171 | 37.90(32.68,42.11) | 39.10±7.25 | 40.81±7.56 | 42.51±7.86 |
D-TGA 组 | 31 | 37.11(29.64,43.47) | 38.38±9.80 | 39.59±9.88 | 40.87±9.81 |
统计值 | Z=0.466 | t=0.480 | t=0.784 | t=1.029 | |
P 值 | 0.641 | 0.632 | 0.434 | 0.305 | |
组别 | 例数 | FS17 | FS18 | FS19 | FS20 |
对照组 | 171 | 44.17±8.04 | 45.70±8.09 | 46.98±8.27 | 47.97±8.69 |
D-TGA 组 | 31 | 42.03±9.77 | 43.07±9.62 | 43.93±9.54 | 44.52±9.84 |
t 值 | 1.323 | 1.617 | 1.846 | 1.992 | |
P 值 | 0.187 | 0.107 | 0.066 | 0.048 | |
组别 | 例数 | FS21 | FS22 | FS23 | FS24 |
对照组 | 171 | 48.67±9.27 | 49.13±9.77 | 49.41±10.12 | 49.56±10.32 |
D-TGA 组 | 31 | 44.88±10.43 | 45.15±10.89 | 45.25±11.37 | 45.35±11.56 |
t 值 | 2.055 | 2.048 | 2.063 | 2.051 | |
P 值 | 0.041 | 0.042 | 0.040 | 0.042 |
注:D-TGA 为完全型大动脉转位;FS 为短轴缩短率 |
表4 D-TGA 组与对照组左心室24 节段SI 比较[ |
组别 | 例数 | SI1 | SI2 | SI3 | SI4 |
---|---|---|---|---|---|
对照组 | 171 | 2.12(1.92,2.36) | 2.13(1.90,2.33) | 2.10(1.89,2.32) | 2.07(1.89,2.31) |
D-TGA 组 | 31 | 1.84(1.56,2.30) | 1.82(1.58,2.40) | 1.80(1.57,2.42) | 1.81(1.58,2.38) |
Z 值 | 2.951 | 2.623 | 2.381 | 2.114 | |
P 值 | 0.003 | 0.009 | 0.017 | 0.035 | |
组别 | 例数 | SI5 | SI6 | SI7 | SI8 |
对照组 | 171 | 2.07(1.89,2.32) | 2.07(1.89,2.33) | 2.10(1.92,2.34) | 2.16(1.95,2.38) |
D-TGA 组 | 31 | 1.86(1.59,2.39) | 1.91(1.60,2.48) | 1.94(1.61,2.57) | 1.94(1.64,2.56) |
Z 值 | 1.927 | 1.844 | 1.857 | 1.830 | |
P 值 | 0.054 | 0.065 | 0.063 | 0.067 | |
组别 | 例数 | SI9 | SI10 | SI11 | SI12 |
对照组 | 171 | 2.19(1.99,2.42) | 2.22(2.02,2.46) | 2.26(2.07,2.53) | 2.30(2.10,2.59) |
D-TGA 组 | 31 | 1.98(1.69,2.55) | 2.01(1.75,2.52) | 2.06(1.78,2.49) | 2.09(1.80,2.47) |
Z 值 | 1.872 | 1.977 | 2.122 | 2.266 | |
P 值 | 0.061 | 0.048 | 0.034 | 0.023 | |
组别 | 例数 | SI13 | SI14 | SI15 | SI16 |
对照组 | 171 | 2.34(2.15,2.65) | 2.40(2.21,2.74) | 2.50(2.26,2.83) | 2.58(2.32,2.93) |
D-TGA 组 | 31 | 2.15(1.83,2.47) | 2.20(1.88,2.50) | 2.24(1.93,2.55) | 2.27(1.99,2.64) |
Z 值 | 2.446 | 2.657 | 2.825 | 2.889 | |
P 值 | 0.014 | 0.008 | 0.005 | 0.004 | |
组别 | 例数 | SI17 | SI18 | SI19 | SI20 |
对照组 | 171 | 2.64(2.39,3.00) | 2.75±0.41 | 2.80(2.53,3.10) | 2.98(2.67,3.34) |
D-TGA 组 | 31 | 2.35(2.07,2.68) | 2.58±0.66 | 2.57(2.26,2.87) | 2.81(2.34,3.10) |
统计值 | Z=2.822 | t=1.926 | Z=2.276 | Z=1.777 | |
P 值 | 0.005 | 0.056 | 0.023 | 0.076 | |
组别 | 例数 | SI21 | SI22 | SI23 | SI24 |
对照组 | 171 | 3.30(2.96,3.76) | 4.05(3.62,4.61) | 5.69(5.11,6.59) | 11.05(9.88,12.85) |
D-TGA 组 | 31 | 3.17(2.73,3.52) | 3.87(3.37,4.40) | 5.58(4.77,6.31) | 10.93(9.24,12.27) |
Z 值 | 1.416 | 1.169 | 1.017 | 0.932 | |
P 值 | 0.157 | 0.242 | 0.309 | 0.351 |
注:D-TGA 为完全型大动脉转位;SI 为球形指数 |
表5 D-TGA 组与对照组右心室24 节段ED 比较[mm, |
组别 | 例数 | ED1 | ED2 | ED3 | ED4 |
---|---|---|---|---|---|
对照组 | 171 | 9.33±1.71 | 9.39±1.66 | 9.45±1.62 | 9.49±1.60 |
D-TGA 组 | 31 | 9.38±1.80 | 9.30±1.79 | 9.22±1.78 | 9.14±1.78 |
t 值 | -0.145 | 0.275 | 0.697 | 1.094 | |
P 值 | 0.885 | 0.784 | 0.486 | 0.275 | |
组别 | 例数 | ED5 | ED6 | ED7 | ED8 |
对照组 | 171 | 9.50±1.58 | 9.48±1.56 | 9.41±1.53 | 9.30±1.51 |
D-TGA 组 | 31 | 9.06±1.77 | 8.96±1.75 | 8.85±1.72 | 8.71±1.69 |
t 值 | 1.417 | 1.657 | 1.833 | 1.978 | |
P 值 | 0.158 | 0.099 | 0.068 | 0.049 | |
组别 | 例数 | ED9 | ED10 | ED11 | ED12 |
对照组 | 171 | 9.16±1.50 | 8.98±1.47 | 8.77±1.46 | 8.53±1.44 |
D-TGA 组 | 31 | 8.53±1.66 | 8.31±1.61 | 8.04±1.56 | 7.75±1.49 |
t 值 | 2.131 | 2.319 | 2.536 | 2.769 | |
P 值 | 0.034 | 0.021 | 0.012 | 0.006 | |
组别 | 例数 | ED13 | ED14 | ED15 | ED16 |
对照组 | 171 | 8.26±1.42 | 7.98±1.40 | 7.67±1.38 | 7.34±1.35 |
D-TGA 组 | 31 | 7.43±1.43 | 7.08±1.37 | 6.72±1.33 | 6.34±1.30 |
t 值 | 3.021 | 3.291 | 3.561 | 3.806 | |
P 值 | 0.003 | 0.001 | <0.001 | <0.001 | |
组别 | 例数 | ED17 | ED18 | ED19 | ED20 |
对照组 | 171 | 6.97±1.29 | 6.55±1.20 | 6.06±1.10 | 5.45±1.00 |
D-TGA 组 | 31 | 5.96±1.28 | 5.57±1.26 | 5.14±1.24 | 4.64±1.20 |
t 值 | 4.016 | 4.173 | 4.192 | 4.043 | |
P 值 | <0.001 | <0.001 | <0.001 | <0.001 | |
组别 | 例数 | ED21 | ED22 | ED23 | ED24 |
对照组 | 171 | 4.68±0.88 | 3.71±0.72 | 2.49(2.17,2.86) | 1.28(1.11,1.46) |
D-TGA 组 | 31 | 4.00±1.12 | 3.18±0.94 | 2.16(1.63,2.56) | 1.11(0.83,1.30) |
统计值 | t=3.787 | t=3.553 | Z=3.109 | Z=3.023 | |
P 值 | <0.001 | <0.001 | 0.002 | 0.003 |
注:D-TGA 为完全型大动脉转位;ED 为舒张末期横径 |
表6 D-TGA 组与对照组右心室24 节段FS 比较[%, |
组别 | 例数 | FS1 | FS2 | FS3 | FS4 |
---|---|---|---|---|---|
对照组 | 171 | 20.41±7.45 | 21.20±6.60 | 21.97±6.10 | 22.67±5.89 |
D-TGA 组 | 31 | 23.16±6.33 | 23.27±6.25 | 23.39±6.72 | 23.50±7.51 |
t 值 | -1.934 | -1.617 | -1.181 | -0.687 | |
P 值 | 0.055 | 0.107 | 0.239 | 0.493 | |
组别 | 例数 | FS5 | FS6 | FS7 | FS8 |
对照组 | 171 | 23.99(19.72,27.09) | 24.53(19.99,27.65) | 24.92(20.63,27.75) | 25.02(20.86,28.44) |
D-TGA 组 | 31 | 24.33(17.17,29.03) | 24.00(16.96,30.91) | 24.55(16.49,31.10) | 26.45(15.52,31.94) |
Z 值 | -0.422 | 0.210 | 0.112 | -0.042 | |
P 值 | 0.673 | 0.833 | 0.911 | 0.967 | |
组别 | 例数 | FS9 | FS10 | FS11 | FS12 |
对照组 | 171 | 25.32(21.42,28.58) | 25.54(21.43,29.32) | 25.19(21.90,29.41) | 25.43(21.76,29.95) |
D-TGA 组 | 31 | 26.71(14.91,31.85) | 26.18(14.65,33.20) | 25.07(13.93,32.10) | 24.55(12.89,32.00) |
Z 值 | -0.152 | -0.469 | 0.826 | 1.008 | |
P 值 | 0.879 | 0.639 | 0.409 | 0.313 | |
组别 | 例数 | FS13 | FS14 | FS15 | FS16 |
对照组 | 171 | 25.80(21.79,30.55) | 26.61(21.88,31.34) | 27.12(22.41,32.34) | 27.94(23.08,32.81) |
D-TGA 组 | 31 | 24.85(12.10,31.86) | 23.78(12.22,31.88) | 21.96(10.52,32.57) | 22.21(10.30,33.54) |
Z 值 | 1.304 | 1.725 | 2.035 | 2.237 | |
P 值 | 0.192 | 0.085 | 0.042 | 0.025 | |
组别 | 例数 | FS17 | FS18 | FS19 | FS20 |
对照组 | 171 | 28.22(23.07,33.59) | 28.55(22.75,32.93) | 27.36(21.84,32.78) | 26.08(19.91,33.17) |
D-TGA 组 | 31 | 22.52(10.07,33.88) | 21.00(9.77,33.18) | 22.58(11.47,31.07) | 22.50(12.44,27.89) |
Z 值 | 2.431 | 2.571 | 2.661 | 2.570 | |
P 值 | 0.015 | 0.010 | 0.008 | 0.010 | |
组别 | 例数 | FS21 | FS22 | FS23 | FS24 |
对照组 | 171 | 25.32(17.78,32.49) | 24.86(17.36,32.49) | 24.13(15.57,33.00) | 23.90(15.41,33.03) |
D-TGA 组 | 31 | 19.32(11.68,28.88) | 19.96(12.15,31.60) | 18.85(9.35,33.44) | 19.43(7.79,34.50) |
Z 值 | 2.301 | 2.089 | 1.942 | 1.832 | |
P 值 | 0.021 | 0.037 | 0.052 | 0.067 |
注:D-TGA 为完全型大动脉转位;FS 为短轴缩短率 |
表7 D-TGA 组与对照组右心室24 节段SI 比较[ |
组别 | 例数 | SI1 | SI2 | SI3 | SI4 |
---|---|---|---|---|---|
对照组 | 171 | 1.69±0.30 | 1.67±0.29 | 1.66±0.29 | 1.65±0.28 |
D-TGA 组 | 31 | 1.47±0.24 | 1.48±0.24 | 1.49±0.24 | 1.50±0.23 |
t 值 | 4.405 | 3.434 | 3.159 | 2.770 | |
P 值 | <0.001 | 0.001 | 0.002 | 0.006 | |
组别 | 例数 | SI5 | SI6 | SI7 | SI8 |
对照组 | 171 | 1.65±0.28 | 1.65±0.28 | 1.67±0.29 | 1.68±0.29 |
D-TGA 组 | 31 | 1.51±0.23 | 1.53±0.24 | 1.55±0.25 | 1.57±0.26 |
t 值 | 2.504 | 2.270 | 2.079 | 2.031 | |
P 值 | 0.013 | 0.024 | 0.039 | 0.044 | |
组别 | 例数 | SI9 | SI10 | SI11 | SI12 |
对照组 | 171 | 1.71±0.30 | 1.75±0.31 | 1.79±0.33 | 1.84±0.35 |
D-TGA 组 | 31 | 1.59±0.27 | 1.64±0.28 | 1.70±0.30 | 1.77±0.32 |
t 值 | 2.019 | 1.771 | 1.474 | 1.092 | |
P 值 | 0.045 | 0.078 | 0.142 | 0.276 | |
组别 | 例数 | SI13 | SI14 | SI15 | SI16 |
对照组 | 171 | 1.91±0.37 | 1.98±0.39 | 2.06±0.42 | 2.16±0.44 |
D-TGA 组 | 31 | 1.86±0.35 | 1.97±0.37 | 2.09±0.40 | 2.22±0.43 |
t 值 | 0.583 | 0.124 | -0.391 | -0.777 | |
P 值 | 0.560 | 0.902 | 0.697 | 0.438 | |
组别 | 例数 | SI17 | SI18 | SI19 | SI20 |
对照组 | 171 | 2.27±0.46 | 2.41±0.46 | 2.60±0.46 | 2.89(2.58,3.24) |
D-TGA 组 | 31 | 2.35±0.47 | 2.54±0.52 | 2.78±0.58 | 3.05(2.60,3.48) |
统计值 | t=-0.899 | t=-1.461 | t=-1.910 | Z=-1.391 | |
P 值 | 0.370 | 0.146 | 0.058 | 0.164 | |
组别 | 例数 | SI21 | SI22 | SI23 | SI24 |
对照组 | 171 | 3.35(3.03,3.77) | 4.22(3.84,4.77) | 6.13(5.51,6.89) | 12.01(10.78,13.47) |
D-TGA 组 | 31 | 3.59(2.88,4.06) | 4.41(3.83,5.22) | 6.34(5.72,7.55) | 12.33(11.08,14.68) |
Z 值 | -1.336 | -1.358 | -1.443 | -1.244 | |
P 值 | 0.182 | 0.175 | 0.149 | 0.214 |
注:D-TGA 为完全型大动脉转位;SI 为球形指数 |
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