手动同步低能量冲击阻抗作为在皮下ICD植入过程中成功进行除测试的预测因素
Naiara Calvo1,2,3, Carlos Rubén López-Perales1,2, Teresa Olóriz1,2
1Arrhytmia Unit, Cardiology Department, Hospital Miguel Servet, Zaragoza, Spain.
Pacing and clinical electrophysiology : PACE
|August 5, 2024
概括
低能同步冲击 (LESS) 阻抗可以预测皮下植入式心脏转换器-除器 (S-ICD) 植入期间的成功除测试 (DFT). 这种方法避免诱导心室动 (VF),并且在预测DFT成功方面具有很高的准确性.
科学领域:
- 心脏病学 心脏病学
- 医疗器械 医疗器械
- 电子生理学 电子生理学
背景情况:
- 在皮下 implantable cardioverter-defibrillator (S-ICD) 植入过程中建议进行除检测 (DFT).
- 冲击阻抗受植入物位置,患者因素和设备特征的影响,会影响除成功.
- 低能同步冲击 (LESS) 是一种评估冲击阻抗而不诱导心室动 (VF) 的方法.
研究的目的:
- 为了比较从LESS和DFT获得的阻抗值.
- 评估 LESS阻抗在预测S-ICD植入过程中成功的DFT的诊断准确度.
主要方法:
- 一项研究包括连续的S-ICD植入.
- 冲击阻抗使用对联t测试进行了比较.
- 后勤回归和ROC曲线分析评估了成功DFT的LESS阻抗的预测准确性.
主要成果:
- LESS 和 DFT 的阻抗值显示出很高的相关性 (r2 = 0.97).
- 失败的DFT患者的BMI更高,LESS和DFT阻抗值明显更高.
- ROC分析表明,在预测成功的DFT时,LESS阻抗 (AUC84%) 的诊断性能很好,截止值<94Ω.
结论:
- 术内LESS阻抗测量可以可靠地预测S-ICD植入期间成功的DFT.
- 这种方法避免了诱导VF的需要,简化了S-ICD植入程序.
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