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    • 3.0T磁共振延迟强化技术检测存活心肌评估CTO-PCI术后心功能恢复情况

    朱春侠,李锦爽,丁浩,张义,崔文,张荣林,王万虹

    Chinese Journal of Clinical Research（2021）

    Cited 2|Views6
    Abstract
    目的 探讨利用3.0T磁共振电影成像及心肌钆延迟强化(LGE)技术检测存活心肌,评估冠状动脉慢性完全闭塞(CTO)行经皮冠状动脉介入术(PCI)患者术后心功能恢复情况.方法 连续收集2017年12月至2019年12月就诊的CTO患者32例,所有患者在PCI术前及术后6个月行3.0T心脏磁共振检查,评估心脏结构、功能、心肌瘢痕范围、心肌活性等指标,比较PCI术前术后各相关指标的变化.结果 CTO-PCI术后,虽然左室射血分数(LVEF)、左室舒张末内径(LVEDD)、左室收缩末期容积(LVESV)和左室舒张末期容积(LVEDV)均较术前有所改善,但差异无统计学意义(P＞0.05).延迟强化积分术后较术前改善不明显(P＞0.05).左室壁运动积分术后的(59.76±6.95)分较PCI术前的(65.23±7.24)分显著改善,差异有统计学意义(P＜0.01).结论 CTO-PCI术前利用3.0T心脏磁共振检测存活心肌可为临床预后评估提供重要依据,非透壁性延迟强化(透壁程度＜50％)患者的术后局部室壁运动可明显改善.
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