在心房的亚型之间进行肺静脉重塑:在患有心肌和持续心房的患者之间进行一项基于心脏计算机断层扫描的匹配比较研究
Maysam Al Housari1, Vincenzo Miraglia1, Muryo Terasawa2
1Heart Rhythm Management Centre, Postgraduate Program in Cardiac Electrophysiology and Pacing, University Hospital Brussels - Free University Brussels, European Reference Networks Guard-Heart, Brussels, Belgium.
持久性心房动 (AF) 患者的肺静脉 (PV) 解剖结构与帕洛西斯马性AF患者相比显著不同,包括更大的PV骨区域和改变的方向. 这些PV解剖变异可能会影响持续性AF的切除策略.
科学领域:
- 心脏病学 心脏病学
- 医疗成像医学成像
- 人体解剖学 解剖学 解剖学
背景情况:
- 肺静脉 (PV) 隔离是心房动 (AF) 的首要治疗方法.
- 不同的AF亚型之间缺乏PV解剖学的直接比较.
- 了解解剖变异对于优化切除结果至关重要.
研究的目的:
- 为了比较持久性AF (PeAF) 和性AF (PAF) 患者之间的PVs的解剖学特征.
- 为了研究PeAF和PAF队列之间的PV骨面积,卵度和空间方向的差异.
- 为了确定解剖学变异是否影响AF切除策略.
主要方法:
- 心脏计算机断层扫描 (CCT) 用于评估58名PeAF和58名匹配PAF患者的PV解剖学.
- 评估的关键解剖学参数包括PV骨面积,卵性指数 (OVI) 和横/额角.
- 患者因年龄,性别和身体表面积而匹配,排除之前的心脏干预或膜疾病的排除标准.
主要成果:
- 与PAF患者相比,患有PeAF的患者表现出明显更大的PV骨区域 (所有PV的P < 0.001).
- 在PeAF患者中,左侧PV较少圆 (0.70.11 OVI下降,LSPV的P = 0.039;LIPV的P = 0.012).
- 观察到PV方向的显著差异,在特定PV (例如,LSPV,LIPV,RIPV) 的PeAF患者的后部和上部偏差.
结论:
- 在PeAF和PAF患者之间,PV方向,骨体大小和卵性存在显著的解剖学差异.
- 这些解剖学变异可能需要针对PeAF进行量身定制的导管选择和切除技术.
- 预测这些PV解剖学差异可能会提高AF切除程序的疗效.
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