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3D-STI用于定量分析AMI患者PCI术后早期左心室心肌应变的变化 被引量:5

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摘要 目的探讨三维斑点追踪技术(3D-STI)定量分析急性心肌梗死(AMI)患者经皮冠状动脉介入术(PCI后早期左心室心肌应变与心功能的关系。方法选取在我院治疗的前降支病变所致AMI患者50例(观察组),同时选取健康体检者50例(对照组),均给予3D-STI检查,测量左心室整体纵向应变(GLS)、圆周应变(GCS)、面积应变(GAS)、径向应变(GRS)及左心室射血分数(LVEF)。结果观察组GLS、GCS、GAS分别为(-10. 83±2. 43)%、(-10. 89±2. 11)%和(-18. 57±4. 22)%,明显高于对照组(t=13. 01~14. 98,P <0. 01),而GRS和LVEF分别为(27. 75±4. 47)%和(47. 30±2. 66)%,明显低于对照组(t=-13. 49、-12. 79,P <0. 01);观察组PCI术后1个月GLS、GCS和GAS分别为(-12. 55±2. 57)%、(-12. 13±2. 40)%、(-20. 45±4. 84)%较术前有所降低(t=5. 33~6. 53,P <0. 01),而GRS和LVEF分别为(31. 74±6. 11)%、(49. 20±3. 00)%较术前有所升高(t=-6. 55、-3. 45,P <0. 01);观察组PCI手术前后GLS、GCS和GAS变化值与LVEF变化值呈负相关(r=-0. 81、-0. 78和-0. 79,P <0. 01),而GRS变化值与LVEF变化值呈正相关(r=0. 81,P <0. 01)。结论 3D-STI可用于定量分析AMI患者PCI后早期左心室心肌应变及心功能情况,为疗效评估提供客观参数。
出处 《心脑血管病防治》 2019年第5期440-441,469,共3页 CARDIO-CEREBROVASCULAR DISEASE PREVENTION AND TREATMENT
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