三维电解剖学电压映射提高了诊断心律失常性右心室心肌病症/失塑症的准确性
Domenico Corrado1, Cristina Basso, Loira Leoni
1Division of Cardiology, University of Padua Medical School, Padua, Italy.
Circulation
|June 9, 2005
概括
三维电解剖学电压映射通过识别与心肌损伤相关的低电压区域,准确地诊断出节律失调的RV心肌病变 (ARVC/D). 它还将ARVC/D与炎症状况区分开来,改善了患者的治疗结果.
科学领域:
- 心脏病学 心脏病学
- 电子生理学 电子生理学
- 医学诊断 医学诊断 医学诊断
背景情况:
- 失律性RV心肌病变 (ARVC/D) 涉及心肌损失和纤维脂肪替代.
- 三维电解剖学电压映射可以识别右心室 (RV) 中受影响的这些区域.
研究的目的:
- 在ARVC/D.中评估RV电解剖学电压映射的诊断准确性.
- 为了区分ARVC/D与其他类似表现的心肌病.
主要方法:
- 符合ARVC/D标准的31名患者接受了RV电解剖电压映射和内心肌活检 (EMB).
- 分析的重点是低压区域,电图特征,以及与组织病理学和临床结果的相关性.
主要成果:
- 65%的患者表现出异常映射,低压区域与RV壁运动异常相关,并通过EMB确认了心肌置换.
- 低压区域与家族ARVC/D和更高的危及生命的心室失常率相关,需要除器.
- 35%的人有正常的映射,表现出模仿ARVC/D的炎症性心肌病,心律失常的结果更好.
结论:
- 电解剖学电压映射通过检测纤维脂肪替代的低电压区域来增强ARVC/D诊断.
- 该技术确定了一组具有保留电压映射的患者,这表明炎症性心肌病,而不是ARVC/D,并且预后更有利.
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