Clinical Study

Conservative Management of Spontaneous Isolated Dissection of the Superior Mesenteric Artery

Table 3

CTA characteristics of spontaneous isolated dissection of the superior mesenteric artery.

Initial CTAF/U CTA within 2 weeksF/U CTA at 1–3 monthsF/U CTA at 4–6 monthsF/U CTA at 7–12 months
NumberSex/ageTypeStenosis (%)TL/SMA dia. (mm)Stenosis (%)TL/SMA dia. (mm)Stenosis (%)TL/SMA dia. (mm)Stenosis (%)TL/SMA dia. (mm)Stenosis (%)TL/SMA dia. (mm)

1M/55IIb67.12.7/8.20.04.5/4.5
2M/49IIb76.42.1/8.9
3M/54III1000.0/8.8
4M/41IIb68.22.7/8.5100/1000.0/5.2, 0.0/5.21000.0/6.0
5F/57IIb79.51.7/8.369.5/1002.5/8.2, 0/6.6
6F/73IIb71.32.7/9.4
7M/50IIb57.53.1/7.375.01.8/7.275.63.0/12.3
8F/55III1000.0/10.5100/1000.0/9.2, 0.0/4.61000/5.6
9M/60III1000.0/9.7100/1000/9.3, 0/10.9
10M/56IIb74.22.3/8.980.62.1/10.8
11M/47IIb75.43.4/13.876.13.4/14.285.12.0/13.4
12F/55IIb76.32.8/11.879.52.3/11.2
13M/54III1000.0/8.71000.0/8.6
14M/45IIb57.35.0/11.7

CTA: computed tomographic angiography; F/U: follow-up; TL: true lumen; SMA: superior mesenteric artery; diameter of the true lumen and superior mesenteric artery having most severely narrowed point; computed tomographic angiographs taken twice during follow-up periods.