摘要
目的 分析心脏磁共振成像(CMR)特征追踪技术测量的整体纵向应变(GLS)对急性ST段抬高型心肌梗死(STEMI)患者接受经皮冠状动脉介入治疗后(PCI)左心室重构(LVR)的预测价值。方法 前瞻性纳入来自国内多中心的经PCI术后的STEMI患者共403例,分别于心肌梗死后1周(7±2 d)和6月进行CMR检查,获得GLS、整体径向应变(GRS)、整体周向应变(GCS)、射血分数(LVEF)和心肌梗死面积(IS)。主要终点为LVR,其定义是随访中通过CMR检查左心室舒张末期容积从基线到6月增加≥20%或左心室收缩末期容积增加≥15%,根据LVR的发生情况将患者分为LVR组(n=101)和无LVR组(n=302)。采用Logistic回归分析CMR参数对LVR的预测价值。结果 与无LVR组相比,LVR组的GLS、GCS更大(P<0.001),GRS、LVEF更小(P<0.001)。Logistic回归分析显示,GLS(OR:1.387,95%CI:1.223~1.573,P<0.001)和LVEF(OR:0.951,95%CI:0.914~0.990,P=0.015)是LVR的独立预测因子。ROC曲线分析显示,GLS预测LVR的最佳临界值为-10.6%,灵敏度为74.3%,特异度为71.9%。GLS预测LVR的AUC与LVEF的差异无统计学意义(P=0.146),但优于GCS、GRS和IS等其他参数(P<0.05)。LVEF与其他参数的AUC差异无统计学意义(P>0.05)。结论 基于CMR测定的GLS是STEMI患者PCI术后LVR的重要预测因子,与GRS、GCS、IS和LVEF相比具有明显的优势。
Objective To evaluate the predictive value of global longitudinal strain(GLS)measured by cardiac magnetic resonance(CMR)feature-tracking technique for left ventricular remodeling(LVR)after percutaneous coronary intervention(PCI)in patients with acute ST-segment elevation myocardial infarction(STEMI).Methods A total of 403 patients undergoing PCI for acute STEMI were prospectively recruited from multiple centers in China.CMR examinations were performed one week(7±2 days)and 6 months after myocardial infarction to obtain GLS,global radial strain(GRS),global circumferential strain(GCS),ejection fraction(LVEF)and infarct size(IS).The primary endpoint was LVR,defined as an increase of left ventricle end-diastolic volume by≥20%or an increase of left ventricle end-systolic volume by≥15%from the baseline determined by CMR at 6 months.Logistic regression analysis was performed to evaluate the predictive value of CMR parameters for LVR.Results LVR occurred in 101 of the patients at 6 months after myocardial infarction.Compared with those without LVR(n=302),the patients in LVR group exhibited significantly higher GLS and GCS(P<0.001)and lower GRS and LVEF(P<0.001).Logistic regression analysis indicated that both GLS(OR=1.387,95%CI:1.223-1.573;P<0.001)and LVEF(OR=0.951,95%CI:0.914-0.990;P=0.015)were independent predictors of LVR.ROC curve analysis showed that at the optimal cutoff value of-10.6%,GLS had a sensitivity of 74.3%and a specificity of 71.9%for predicting LVR.The AUC of GLS was similar to that of LVEF for predicting LVR(P=0.146),but was significantly greater than those of other parameters such as GCS,GRS and IS(P<0.05);the AUC of LVEF did not differ significantly from those of the other parameters(P>0.05).Conclusion In patients receiving PCI for STEMI,GLS measured by CMR is a significant predictor of LVR occurrence with better performance than GRS,GCS,IS and LVEF.
作者
刘科
马振岩
付磊
张丽萍
阿鑫
肖少波
张震
张洪博
赵蕾
钱赓
LIU Ke;MA Zhenyan;FU Lei;ZHANG Liping;A Xin;XIAO Shaobo;ZHANG Zhen;ZHANG Hongbo;ZHAO Lei;QIAN Geng(Medical School of Chinese PLA,Beijing 100853,China;Senior Department of Cardiology Disease Medicine,Sixth Medical Center of Chinese PLA General Hospital,Beijing 100048,China;Department of Cardiology and Radiology,Beijing Anzhen Hospital of Capital Medical University,Beijing 100029,China)
出处
《南方医科大学学报》
CAS
CSCD
北大核心
2024年第6期1033-1039,共7页
Journal of Southern Medical University
基金
中华心血管病发展专项基金心脏健康科研基金项目(Z-2017-26-2202-2)
首都卫生发展科研专项项目(SF2020-2-5012)。
关键词
急性ST段抬高型心肌梗死
心脏磁共振成像特征追踪
心肌应变
左心室重构
acute ST-segment elevation myocardial infarction
cardiac magnetic resonance feature tracking
myocardial strain
left ventricular remodeling
