Page 90 - 南京医科大学自然版
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第45卷第2期
·230 · 南 京 医 科 大 学 学 报 2025年2月
表2 AD组、IMH组与LIT组主动脉CT相关解剖参数比较
Table 2 Comparison of aortic CT anatomical parameters among AD group,IMH group,and LIT group (x ± s)
Parameter AD group(n=120) IMH group(n=52) LIT group(n=40) P
Ascending aorta at the lesion
Maximal diameter(mm) 57.7 ± 8.4 51.7 ± 6.0 56.6 ± 12.6 # <0.001
Minimal diameter(mm) 50.9 ± 7.4 47.3 ± 4.3 48.5 ± 11.8 0.013
Area(mm) 2 323.0 ± 643.9 1 978.5 ± 387.6 2 250.8 ± 1127.7 0.015
2
Remodeling index 1.14 ± 0.09 1.09 ± 0.06 1.18 ± 0.12 *# <0.001
Descending aorta
Maximal diameter(mm) 32.5 ± 5.9 34.8 ± 4.1 28.4 ± 5.5 *# <0.001
Minimal diameter(mm) 29.9 ± 4.4 32.5 ± 3.8 26.3 ± 4.2 *# <0.001
Area(mm) 807.6 ± 267.0 942.5 ± 207.9 644.8 ± 238.2 *# <0.001
2
Ascending aorta without lesion
Maximal diameter(mm) 48.0 ± 6.9 46.9 ± 5.9 52.7 ± 11.9 *# <0.001
Minimal diameter(mm) 45.2 ± 6.1 44.1 ± 5.3 46.0 ± 9.7 0.403
Area(mm) 1 758.0 ± 471.4 1 690.0 ± 402.0 1 985.3 ± 883.6 *# 0.033
2
*#
Remodeling index 1.06 ± 0.06 1.06 ± 0.05 1.15 ± 0.15 <0.001
Aortic dilatation index at the lesion
Maximal diameter dilatation index 1.83 ± 0.41 1.50 ± 0.17 2.06 ± 0.57 *# <0.001
Minimal diameter dilatation index 1.74 ± 0.40 1.47 ± 0.16 1.89 ± 0.53 *# <0.001
Area dilatation index 3.16 ± 1.37 2.16 ± 0.48 3.79 ± 2.04 *# <0.001
*
#
P represents the difference among groups;compared with the AD group,P < 0.05;compared with the control group,P < 0.05.
表3 LIT临床因素及影像学特征参数的单因素和多因素回归分析
Table 3 Univariate and multivariate regression analysis of clinical factors and imaging characteristics of LIT
LIT group Control group Univariate Multivariate
Parameter
(n=40) (n=212) OR(95%CI) P Accuracy(%) OR(95%CI) P
Maximal diameter of the ascending 52.7 ± 11.9 34.4 ± 4.2 1.533 <0.001 94.4 1.852 <0.001
aorta without lesion(mm,x ± s) (1.323-1.776) (1.454-2.359)
Minimal diameter of the ascending 46.0 ± 9.7 32.5 ± 3.8 1.489 <0.001 92.5 - -
aorta without lesion(mm,x ± s) (1.308-1.696)
Area of the ascending aorta without 1 985.3 ± 883.6 901.9 ± 213.7 1.007 <0.001 93.7 - -
lesion(mm ,x ± s) (1.004-1.009)
2
Maximal diameter dilatation index 1.92 ± 0.56 1.49 ± 0.14 88.058 <0.001 90.5 0.003 0.010
(x ± s) (18.483-419.533) (0.000-0.244)
Minimal diameter dilatation index 1.79 ± 0.46 1.47 ± 0.14 112.336 <0.001 89.7 - -
(x ± s) (20.014-630.512)
Area diameter dilatation index 3.36 ± 1.78 2.12 ± 0.45 4.088 <0.001 90.1 - -
(x ± s) (2.478-6.743)
Hypertension[n(%)] 30(75.0) 73(34.4) 5.712 <0.001 84.1 6.433 0.035
(2.646-12.334) (1.135-36.464)
Thoracic aortic atherosclerosis 26(65.0) 63(29.7) 4.392 <0.001 84.1 9.068 0.015
[n(%)] (2.152-8.964) (1.539-53.439)
18%。与其他类型 AAS 类似,LIT 患者中男性的比
3 讨 论
例较高;所有AAS患者中最常见的危险因素是高血
本研究证实,LIT 是一种少见但不容忽视的 压 [19-20] ,LIT患者胸主动脉粥样硬化的比例明显高于
AAS 类型 [16,18] ,本研究中,LIT 约占升主动脉 AAS 的 AD 患者以及正常对照组人群,所以控制血压及动

