高灵敏度热素的实用性,以检测患有法布里病的患者心肌病变
Subadra Wanninayake1, Tejas Kalaria2, Antonio Ochoa-Ferraro1
1Department of Inherited Metabolic Disorders Queen Elizabeth Hospital Birmingham Birmingham UK.
高灵敏度心脏托罗素 (hs-cTn) 能够有效地识别法布里心肌病 (FC),并可以帮助优先考虑心脏MRI扫描. <8.5 ng/L的值可靠地排除了显著的FC.
科学领域:
- 心脏病学 心脏病学
- 遗传学 遗传学 是一个
- 生物化学 生物化学
背景情况:
- 费布里病 (FD) 是一种X链 lysosomal储存障碍,导致糖脂积累.
- 心脏参与,法布里心肌病 (FC),是FD的一个重要并发症.
研究的目的:
- 将高灵敏性心脏托罗因I和T (hs-cTnI和hs-cTnT) 作为FC的标记物进行比较.
- 评估hs-cTn在早期FC监测中的作用,并确定可靠的排除值.
主要方法:
- 对成人FD患者进行心脏MRI和hs-cTn测量的回顾性分析.
- 由心脏MRI特征定义的FC (LVH,晚期加多增强,低/伪正常T1).
- 使用分数比率 (FRTn) 和接收器运行特性 (ROC) 分析进行hs-cTnI和hs-cTnT的比较.
主要成果:
- hs-cTnI和hs-cTnT在区分FC时显示了类似的分布和性能.
- 与FRTn (AUC=0.897) 和NT-proBNP (AUC=0.939) 相比,hs-cTn显示出更高的诊断准确性 (AUC=0.974).
- 一个hs-cTn值<8.5 ng/L最好地排除了FC (97.8%的灵敏度,97.2%的NPV).
- 血清hs-cTn水平与FC严重程度相关.
结论:
- 序列hs-cTn监控在早期FC检测和管理方面优于NT-proBNP.
- 患有hs-cTn>8.5 ng/L的患者可能会从优先级cMRI中受益,以评估FC和开始治疗.
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