| 尹家保,郭瑞强,孙有刚,张峻,周立明,郝力丹.脉冲多普勒组织成像定量分析血管重建术前后 左心室局部与整体的收缩功能[J].中国医学影像技术,2002,18(2):151~153 |
| 脉冲多普勒组织成像定量分析血管重建术前后 左心室局部与整体的收缩功能 |
| Quantitively Analysing of Regional and Global Left Ventricular Systolic Function before and after Revascularization by Doppler Tissue Imaging |
| 投稿时间：2001-08-23 |
| DOI： |
| 中文关键词: 脉冲多普勒组织成像技术 左室收缩功能 血管重建术 |
| 英文关键词:Pulsed wave Doppler tissue imaging Left ventricular systolic function Revascularization |
| 基金项目:湖北省教育厅资助课题(99A061)。 |
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| 中文摘要: |
| 目的 采用脉冲多普勒组织成像技术(PW-DTI)定量分析血管重建术前后左心室的收缩功能。方法 16例健康人,20例冠心病患者均行2-DE及DTI。采用PW-DTI分析血管重建术前、后左室壁及二尖瓣环DTI指标:收缩期峰值收缩速度Vs、射血前时间PEP、射血前时间PEP与局部射血时间ET之比PEP/ET、二尖瓣环4个位点平均收缩速度值Vmva。结果 冠心病患者与健康人比较,室壁运动异常节段Vs显著降低(P<0.01),PEP延长(P<0.05),PEP/ET值增大(P<0.01);冠心病患者血管重建术前后比较,室壁运动恢复节段Vs显著增高(P<0.01),PEP缩短(P<0.05)、PEP/ET值减小(P<0.01),血管重建术后Vmva增高,且左室射血分数EF与Vmva呈显著正相关(r=0.81,P<0.01)。结论 PW-DTI可实时监测心肌运动变化情况,定量检测血管重建术前后左室局部与整体收缩功能。 |
| 英文摘要: |
| Objective Pulsed wave Doppler tissue imaging (PWDTI)was used to quantitively analyse left ventricular systolic function before and after revascularization. Methods 2-DE and PWDTI were performed in 20 patients with CAD and 16 healthy controls. PWDTI was also performed after revascularization. PWDTI indexes including Vs, PEP, PEP/ET and Vmva. Results Compared with healthy controls, group of patients with CAD had significantly reduced Vs (P<0.01), increased PEP (P<0.05), significantly increased PEP/ET (P<0.01). After revascularization, patients with CAD had significantly increased Vs (P<0.01), decreased PEP (P<0.05), significantly decreased PEP/ET (P<0.01), significantly increased Vmva (P<0.01). EF had a good linear relation to Vmva (r=0.81,P<0.01)after revascularization. Conclusion PWDTI can real-time detect changes of myocardiac motion and quantify regional and global left ventricular systolic function before and after revascularization. |
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