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The distribution and related risk factors of femoro-popliteal artery chronic total occlusion lesions / 介入放射学杂志
Journal of Interventional Radiology ; (12): 1052-1055, 2015.
Article in Chinese | WPRIM | ID: wpr-485049
Responsible library: WPRO
ABSTRACT
Objective To investigate the distribution of femoro-popliteal artery chronic totally occlusions (CTO) and to analyze the influence of different risk factors on the distribution of lesions. Methods A total of 47 patients with CTA and DSA proved femoro-popliteal artery CTO, who were admitted to the Affiliated Beijing Shijitan Hospital of Capital Medical University during the period from January 2013 and May 2015, were enrolled in this study. In order to make a clear description about the distribution characteristics of the lesions, the superficial femoral artery was averagely divided into three segments (F1-F3), and the popliteal artery was also divided into three segments (P1-P3) according to the bony landmarks. Based on the CTA images (including 3D reconstruction images) and DSA images, the distribution of CTO lesions was determined. The factors that might influence the distribution of CTO lesions were collected, and the results were analyzed using multivariable logistic regression analysis. Results A total of 59 femoro-popliteal artery CTO lesions detected in 47 patients were included in this study. The average length of lesion segment was (12.91 ± 10.13) cm. According to the 6-section division method of femoro-popliteal artery, the lesions involved F1 (n=23), F2(n=34), F3(n=48), P1(n=18), P2(n=6) as well as P3(n=5) segments. Multivariable logistic regression analysis reveals that F1 segment was most prone to be affected by CTO lesions in patients with hypertension (RR=3.21) and in patients who had cigarette smoking habit (RR=1.76). In male patients, P1segment was more easil y involved by CTO lesions (RR=1.98). In patients with diabetes mellitus, the RR value was gradually increased from the proximal to the distal end of the blood vessel, indicating that the lesion was more likely to involve distal vessels. Conclusion The distributions of femoro-popliteal artery CTO lesions have certain characteristics, which are closely associated with femoro-popliteal artery hemodynamics and atherosclerosis risk factors.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Journal of Interventional Radiology Year: 2015 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Journal of Interventional Radiology Year: 2015 Type: Article