核成像和回声心脏图像检测在有或没有ATTR-CM的过高心肌病症中的发现
Pablo Garcia-Pavia1,2,3, Francisco Javier Haro Del Moral1, Francesco Cappelli4
1Hospital Universitario Puerta de Hierro Majadahonda, IDIPHISA, CIBERCV, Majadahonda, Spain.
ESC heart failure
|October 13, 2025
概括
平面光束扫描和SPECT成像显示在查超氨酸氨基酸性心肌病变 (ATTR-CM) 超心肌病 (HCM) 患者中具有很高的一致性. 这些核成像工具有助于早期检测ATTR-CM,改善患者的治疗结果.
科学领域:
- 心脏病学 心脏病学
- 核医学是一种核医学.
- 放射学 放射学是指放射学
背景情况:
- 晶氨基氨基酸心肌病 (ATTR-CM) 诊断往往会延迟,从而对患者的治疗结果产生负面影响.
- 超性心肌病 (HCM) 患者可能未被诊断为ATTR-CM,需要有效的查工具.
研究的目的:
- 评估使用带有或没有SPECT的平面光学扫描在HCM患者的ATTR-CM查中的应用.
- 评估平面和SPECT成像之间心脏吸收分级的一致性.
- 探索ATTR-CM阳性和阴性患者之间的心声回声仪发现的差异.
主要方法:
- 50岁以上的患有HCM的患者接受了带有或没有SPECT的技术-99m标记的光学扫描 (DPD,PYP,HMDP).
- 心脏吸收被视觉分级 (佩鲁吉尼尺度0-3) 通过现场和中央阅读器.
- 对患有1-3级心脏吸收的患者进行了单克隆蛋白质测试.
主要成果:
- 766名患者中有90.2%接受了平面成像;9.8%接受了平面加SPECT.
- 32.0%的患者表现出心脏吸收;分别在4.8%,4.4%和22.7%的患者中观察到1级,2级和3级.
- 在平面成像和SPECT成像 (κ=0.93) 之间发现了很高的一致性,只有[99mTc]Tc-PYP.的差异被注意到. 与没有心脏吸收的患者相比,ATTR-CM患者显示出明显的心声回声仪发现.
结论:
- 平面和SPECT扫描显示在HCM患者的ATTR-CM查中具有很高的一致性.
- 这些成像方法对于在临床实践中促进ATTR-CM查非常有价值.
- 需要进一步的研究来比较ATTR-CM查中使用的不同辐射追踪器.
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