为检测心律失常的心脏内心回声学 周心室心跳动基质:多模式核心实验室分析
Naohiko Sahara1, Yasutoshi Shinoda1, Beeletsega Yeneneh1
1The University of Arizona College of Medicine-Phoenix, Banner-University Medical Center Phoenix, Phoenix, Arizona, USA.
心内回声学 (ICE) 检测壁薄化,以识别室内心跳动脉 (VT) 移除的周周动脉失常基质 (PAS). 这种新的成像方法在心脏磁共振 (CMR) 可能受到限制的情况下显示出希望.
科学领域:
- 心脏病学 心脏病学
- 医疗成像医学成像
- 电子生理学 电子生理学
背景情况:
- 周心脏痕是心室动脉缩 (VT) 切除的具有挑战性的基质,缺乏成熟的成像检测方法.
- 心内回声学 (ICE) 假设通过结构性心脏病患者的壁薄化来识别周动脉失常基质 (PAS).
研究的目的:
- 为了验证ICE作为一种识别PAS的方法.
- 为了将ICE发现与电解剖绘图和心磁共振 (CMR) 进行PAS检测.
主要方法:
- 分析了84名静脉管切除术患者,分为PAS+ (n=29) 和PAS- (n=55) 组.
- 基底前隔膜壁厚度使用ICE和CMR进行测量.
- 在43名患者中评估了与CMR晚期加多增强 (LGE) 的相关性.
主要成果:
- 与PAS-患者相比,ICE检测到PAS+患者的壁面明显较薄 (0.57厘米与0.72厘米相比,P<0.001).
- 在识别PAS方面,ICE表现出比CMR-LGE更高的诊断性能.
- 在<0.60厘米壁厚切线下,ICE对PAS+显示了58%的灵敏度和87%的特异性.
结论:
- ICE检测到的壁面薄化是一种潜在的新型成像技术,用于识别周动脉静脉底.
- 这种方法在具有挑战性的大心周区域中是有价值的,CMR经常错过它.
- 在CMR上缺少LGE并不排除外流通道VT患者的周心脏基质.
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