在患有心律失常性心肌病症的患者中,右心室脊柱复杂性的预后值
Bing-Hua Chen1, Wen-Yi Jiang1, Jin-Yu Zheng1
1Department of Radiology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, No. 160 Pujian Road, Shanghai, 200127, People's Republic of China.
European radiology
|January 8, 2024
概括
通过心磁共振 (CMR) 评估的右心室碎片尺寸 (FD) 独立预测心律失常性心肌病 (ACM) 中的主要心脏事件. 这种心肌椎复杂性的新型标志物为风险分层提供了增量预后价值.
科学领域:
- 心脏病学 心脏病学
- 生物医学成像技术 生物医学成像技术
- 定量心血管分析 定量心血管分析
背景情况:
- 节律失调性心肌病变 (ACM) 是心脏突然死亡的一个重要原因.
- 在ACM中准确的风险分层对于及时干预至关重要.
- 需要新的成像生物标志物来改善ACM的预后评估.
研究的目的:
- 使用心脏磁共振 (CMR) 评估右心室 (RV) 断面维度 (FD) 的增量预后值.
- 评估RV FD作为ACM患者心肌脉椎复杂性的新标志物.
- 为了确定RV FD是否改善了ACM中主要心脏事件的风险预测.
主要方法:
- 对105名连续接受CMR的ACM患者进行前性研究.
- 对主要心脏事件的随访 (心脏突然死亡,心脏骤停,ICD干预).
- 考克斯回归分析,使用RV FD的多变量建模,Harrell的C统计,cNRI和IDI用于预后评估.
主要成果:
- RV最大角FD显示与主要心脏事件有显著的关联 (HR 1.31,p<0.002).
- 在基线模型中添加RV最大角FD显著提高了诊断性能.
- 持续净重新分类改进 (cNRI) 增加了21% (p=0.001) 和综合歧视指数 (IDI) 增加了16% (p=0.045).
结论:
- 通过CMR评估的心肌椎复杂性 (RV FD) 与ACM中不良心血管事件独立相关.
- RV FD提供了超越传统风险因素的增量预后价值.
- 在ACM患者的风险监测和早期诊断方面,RV FD是一个有前途的参数.
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