瑞士尸检队列中的心脏粉症 - 分布和临床相关性
Albert Baschong1, Sara Ersözlü2,3,4, Frank Ruschitzka2,5,6
1Department of Pathology and Molecular Pathology, University Hospital Zurich, Zurich, Switzerland.
Swiss medical weekly
|October 16, 2025
概括
心脏 Amyloidosis 经常被低诊断,特别是在老年人的心脏 Amyloid transthyretin-cardiac amyloidosis (ATTR-CA) 中. 高血管粉样蛋白负担与全身性疾病相关,右心室干涉有助于检测.
科学领域:
- 心脏病学 心脏病学
- 病理学 病理学 病理学
- 医学诊断 医学诊断 医学诊断
背景情况:
- 心脏粉样性粉症 (CA) 涉及心肌粉样物积累,往往被诊断不足.
- 由于新兴的ATTR和AL粉样粉症的疾病修饰疗法,早期检测至关重要.
- 心脏粉样沉积物的分布和范围需要进一步澄清.
研究的目的:
- 在尸检队列中确定心脏粉样粉症的频率和亚型.
- 调查粉样蛋白沉积物的临床相关性和分布.
- 评估组织病理学发现与死前临床数据之间的相关性.
主要方法:
- 在10年内对104名心脏粉症成年人尸检进行了回顾性分析.
- 两位病理学家对两个病理学家的间歇性和血管性粉样蛋白沉积物的双半定量评分.
- 组织病理学发现与死前临床数据的相关性.
主要成果:
- 在5%的尸体解剖中发现了心脏粉症,其中91%未被诊断出死前.
- 粉样蛋白晶氨酸-心脏粉样化症 (ATTR-CA) 占94%的病例,而粉样蛋白轻链心脏粉样化症 (AL-CA) 为6%.
- 较高的血管粉样蛋白分数与系统性粉样蛋白症相关,右心室粉样蛋白负担与临床怀疑有关.
结论:
- 大多数心脏粉样性粉症病例,特别是老年患者的ATTR-CA,仍然未被诊断出死亡前.
- 低诊断在女性患者中更为普遍.
- 血管粉样蛋白负荷增加有助于全身性疾病,右心室参与是检测的关键.
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