Objectives To evaluate the merits of intravascular ultrasound (IVUS) in the diagnosis and vascular Interventions for peripheral artery stenosis. Methods 94 in patients of department of cardiology of Southwest hospital from October 2006 to September 2010 were collected, who were diagnosed with Peripheral artery stenosis, there were 58 males and 36 females in them, ages were form 26 to 77 (58.4 ±18.3) years. The patients were divide to DSA (Digital Subtraction Angiography, DSA) group (43

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... and DSA+IVUS group (51 patients), DSA was used in DSA group, DSA and IVUS were both used in DSA+IVUS group, and The outcome of two techniques were compared. Stenting was implemented under the guidance by DSA and IVUS respectively, and the effect of stenting was observed. Ultrasonic examination and CTA were used in follow up after stenting, DSA and IVUS were used when necessary. Results In DSA+IVUS group, 77 vascular stenosises were found by DSA, there were 42 eccentric stenosises and 22 concentric Heart 2012;98(Suppl 2): E1-E319 E277