血管内超声在冠脉复杂病变介入诊疗中的临床价值

目的:研究血管内超声在冠脉复杂病变介入诊疗中的临床价值。方法:30例确诊为冠心病的患者,其中男性23例,女性7例,先采用冠脉造影(CAG),选择美国心脏病学会和美国心脏病协会(ACC/AHA)推荐的冠脉分型C型中弥漫性病变(>20mm)、近端血管过度扭曲病变,然后行IVUS检查,PCI术后再行IVUS检查,比较两者及PCI前后IVUS结果的差异。结果:CAG示支架贴壁良好,再行IVUS检查示支架贴壁不良率达78.4%,IVUS观察均达到支架置入理想标准。结论:IVUS在评价支架贴壁情况、选择高压球囊后扩张时,有着更明显的优势。

The Clinical Value of Intravascular Ultrasound in Diagnosis and Therapyin Complex Coronary Artery Pathological Change

Objective: To assess the clinical application value of intravascular ultrasound in the complex coronary artery pathological change.Methods: A total of 30 CHD patients were recruited,complex coronary artery pathological change included in type 3 recommended by ACC/AHA were examined by CAG and IVUS.Minimal lumen area diameter and plaque burden at minimum area were detected and analyzed.Result: The results of before PCI and after PCI derived from IVUS were compared.IVUS could find stent underexpension.Conclusion: IVUS could guide the interventional therapy for complex coronary artery pathological change more efficiently.Post-dilation with high pressure guided by IVUS can reduce the early rate of stent underexpension and attain a larger final stent CSA.