ACUTE EFFECTS OF EXERCISE ON MUSCLE MRI IN PERIPHERAL ARTERIAL OCCLUSIVE DISEASE

被引：8
作者：
YOSHIOKA, H
ANNO, I
KURAMOTO, K
MATSUMOTO, K
JIKUYA, T
ITAI, Y
机构：
[1] Department of Radiology, Institute of Clinical Medicine, University of Tsukuba, Tsukuba, Ibaraki, 305
[2] Department of Cardiosurgery, Institute of Clinical Medicine, University of Tsukuba, Tsukuba, Ibaraki, 305
来源：
MAGNETIC RESONANCE IMAGING | 1995年 / 13卷 / 05期
关键词：
EXERCISE; MUSCLE; PERIPHERAL ARTERIAL OCCLUSIVE DISEASE; PERCUTANEOUS TRANSLUMINAL ANGIOPLASTY (PTA);
D O I：
10.1016/0730-725X(95)00018-C
中图分类号：
R8 [特种医学]; R445 [影像诊断学];
学科分类号：
1002 ; 100207 ; 1009 ;
摘要：
The midcalf muscles of eight patients who had peripheral arterial occlusive disease were evaluated by exercise MRI before and after bypass surgery or percutaneous transluminal angioplasty. MRI showed a high intensity of these muscles, especially the posterior muscles, after exercise in all patients before intervention. The mean T-2 relaxation time was maximal immediately after exercise (tibialis anterior, T-2 = 30.8 ms; soleus, T-2 = 36.2 ms; gastrocnemius, T-2 = 32.8 ms) and then gradually decreased to the preexercise level. The difference in the T-2 relaxation time of the soleus between immediately after exercise and at rest was smaller along with improvement of ankle pressure indices (API) after successful intervention (mean T-2 difference: 4.91 and 0.72 ms (p < .001); mean API : 0.54 and 0.86 (p < .001) before and after intervention, respectively). The mean resting midcalf T-2 relaxation time was significantly higher after intervention (tibialis anterior, T-2 = 28.4 and 29,5 ms (p < .05); soleus, T-2 = 31.4 and 32.9 ms (p < .05); gastrocnemius, T-2 = 29.5 and 31.1 ms (p < .01) before and after intervention, respectively). T-2 relaxation time may be a useful quantitative parameter in peripheral arterial occlusive disease as well as in other muscle studies.
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页码：651 / 659
页数：9
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