小说生物标志物和先进的心脏成像在大动脉狭窄:旧和新
Anca Drăgan1, Anca Doina Mateescu2
1Department of Cardiovascular Anaesthesiology and Intensive Care, Emergency Institute for Cardiovascular Diseases "Prof Dr C C Iliescu", 258 Fundeni Road, 022328 Bucharest, Romania.
新的成像技术和生物标志物为大动脉狭窄 (AS) 患者提供了改进的风险评估. 这些方法提供左心室 (LV) 脱补偿的客观测量,帮助治疗决策超越主观症状和射出分数.
科学领域:
- 心脏病学 心脏病学
- 心血管成像 - 心血管成像
- 生物标志物 生物标志物
背景情况:
- 目前的大动脉狭窄 (AS) 的评估依赖于主观症状和左心室喷射率 (LVEF),这些在检测左心室 (LV) 脱补偿方面是有限的.
- 先进的成像和新型生物标志物正在成为评估AS心脏结构和功能的关键工具.
- 了解从补偿性左心室缩到功能障碍的过渡是管理AS进展的关键.
研究的目的:
- 审查新的非侵入性成像参数和生物标志物,用于风险分层和大动脉狭窄的预后.
- 讨论这些参数在优化大动脉置换时间方面的作用.
- 探索与心肌壁应激,纤维化和AS中肌细胞死亡相关的生物标志物.
主要方法:
- 对先进的心脏成像技术的当前文献的综述,包括心脏磁共振用于心肌纤维化评估.
- 对新出现的生物标志物的分析反映了LV去补偿,心肌壁应激,纤维化和肌细胞死亡.
- 在无症状的严重AS患者中评估左心室全球纵向菌株的风险分层.
主要成果:
- 左心室全球纵向菌株是无症状严重AS与保存LVEF风险分层的有价值预测指标.
- 心肌纤维化的心磁共振评估在AS中提供了重要的预后信息.
- 生物标志物提供LV脱补偿的客观测量,补充传统的评估方法.
结论:
- 新的成像参数和生物标志物在改善大动脉狭窄的评估和管理方面表现有前途.
- 这些工具可以通过提供LV状态的客观测量来帮助优化大动脉置换的时间.
- 需要进一步的随机临床试验数据来确定这些先进方法在AS实践中的常规临床实用性.
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