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2.2 未发生与发生临床恶化事件CTD⁃PAH患者组 LVSVI、LVCI 均减低,RVEDVI、RVESVI、RVMMI 和
间CMR参数比较 VMI 均升高。肺动脉血流参数 MPAPV、MPAMV 均
与未发生临床恶化事件组相比,发生临床恶化 显著下降。其余参数在两组间差异无统计学意义
事件组 CTD⁃PAH 患者的心功能参数 LVEF、RVEF、 (P > 0.05,表1)。典型病例见图2。
表1 未发生与发生临床恶化事件组CTD⁃PAH患者CMR参数比较
Table 1 Comparison of CMR parameters between the groups without and with clinical deterioration events among
CTD⁃PAH patients
Without clinical With clinical deterioration
Variable t/Z P
deterioration events(n=99) events(n=37)
LVEF[%,M(P25,P75 )] 58.56(52.41,63.28) 54.18(43.10,60.71) -2.051 0.040
LVEDVI(mL/m ,x ± s) 65.96 ± 19.52 60.78 ± 14.95 1.462 0.146
2
LVESVI[mL/m ,M(P25,P75 )] 27.00(21.30,33.86) 28.18(22.43,36.27) -0.570 0.569
2
LVSVI(mL/m ,x ± s) 37.02 ± 11.85 32.27 ± 11.06 2.116 0.036
2
LVCI[L/(min·m),x ± s] 2.76 ± 0.84 2.31 ± 0.66 2.924 0.004
2
RVEF(%,x ± s) 37.54 ± 12.84 31.97 ± 13.32 2.228 0.028
RVEDVI[mL/m ,M(P25,P75 )] 89.40(77.52,115.53) 112.92(86.47,134.93) -2.589 0.010
2
RVESVI[mL/m ,M(P25,P75 )] 54.79(42.15,71.77) 71.06(53.80,109.04) -3.005 0.003
2
RVSVI(mL/m ,x ± s) 35.69 ± 13.93 35.00 ± 12.36 0.262 0.794
2
RVCI[L/(min·m),x ± s] 2.67 ± 0.99 2.50 ± 0.72 1.104 0.273
2
RVMMI[g/m ,M(P25,P75 )] 11.06(7.58,15.51) 15.27(10.57,20.17) -2.920 0.003
2
VMI[M(P25,P75 )] 0.24(0.17,0.39) 0.37(0.25,0.55) -3.055 0.002
MPA/AAod[M(P25,P75 )] 1.17(1.03,1.36) 1.19(1.04,1.33) -0.523 0.601
MPAPV(cm/s,x ± s) 68.13 ± 19.26 57.57 ± 15.51 2.989 0.003
MPAMV(cm/s,x ± s) 8.26 ± 3.22 5.81 ± 2.23 4.260 < 0.001
MPAd:diameter of the main pulmonary artery;MPA/AAod:main pulmonary artery to ascending aorta diameter ratio.
Velocity vs Time
cm/sec legend
53 Date
Spine(+/- 1)
47
41
35
29
23
17
11
Time
5 (ms)
-1
0 82 164 246 328 410 492 574 656 738 820
-7
A B C Slice position:SP H64.7 Venc adjustment -110∶110 D
Check contours,computer generated contours may not correspond to anatomy.
Velocity vs Time
cm/sec legend
26 Date
Spine(+/- 1)
23
20
17
14
11
8
5
2 Time
(ms)
-1 0 71 142 213 284 355 426 497 568 639 710
-4
E F G Slice position:SP P77.7 Venc adjustment -70∶70 H
Check contours,computer generated contours may not correspond to anatomy.
A-D:Case 1,a 44⁃year⁃old woman with CTD⁃PAH without clinical deterioration events. RVEF:54%;RVEDVI:85.85 mL/m ;MPAMV:11.02 cm/s;
2
MPA diameter:3.08 cm;MPA/AAod:1.28. E-H:Case 2,a 34⁃year⁃old woman with CTD⁃PAH who experienced disease progression requiring rehospita⁃
2
lization. RVEF:16.5%;RVEDVI:225.32 mL/m ;MPAMV:4.36 cm/s;MPA diameter:3.86 cm;MPA/AAod:1.59. In Fig. A and E,red and green
contour lines represent LV endocardium and epicardium respectively ;yellow and blue contour lines represent RV endocardium and epicardium
respectively. In Fig. C and G,the yellow lines 1 and 2 represent main pulmonary artery and ascending aorta diameter respectively.
图2 未发生与发生临床恶化事件组CTD⁃PAH患者的典型病例图
Figure 2 Typical case charts of CTD⁃PAH patients in the groups without and with clinical deterioration events

