左心室室间隔瘢痕对左束支起搏术实现左束支夺获的影响
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1.南京医科大学第一附属医院放射科;2.南京医科大学第一附属医院心血管内科

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国家自然科学基金资助项目(编号:82302163),南京医科大学第一附属医院青年学者培养基金项目(编号:PY2022036)


Effect of ventricular septal scars on the capture of left bundle branch during left bundle branch area pacing
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Department of Radiology,the First Affiliated Hospital of NMU

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the Natural Scientific Foundation of China (Grant Nos. 82302163 for Yunfei Wang) and Young Scholars Fostering Fund fo the First Affiliated Hospital of Nanjing Medical University (Grant Nos. PY2022036 for Yunfei Wang).

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    摘要:

    目的:通过心脏磁共振探索室间隔瘢痕对左束支起搏实现左束支夺获的影响。方法:回顾性分析52例拟接受左束支起搏的患者,根据是否实现左束支夺获分为失败组和成功组。并通过心脏磁共振对室间隔瘢痕分节段进行评分。结果:上室间隔瘢痕评分是预测左束支夺获成功与否的独立预测因子。当上室间隔的瘢痕<25%,左束支夺获的成功率为100%。而当瘢痕≥50%,左束支夺获的失败率为100%。结论:采用心脏磁共振评估上室间隔瘢痕有助于预测左束支起搏手术成功与否,为手术的顺利实施提供可靠的参考依据。

    Abstract:

    Objective:To investigate the effect of ventricular septal scars on the capture of left bundle branch during left bundle branch area pacing by cardiac magnetic resonance. Methods:52 patients who were intended to receive left bundle branch area pacing were retrospectively analyzed. According to whether the capture of left bundle branch was achieved, the groups were divided into the failure group and the success group. We estimate the scores of ventricular septal scar by cardiac magnetic resonance according to different segments. Results:The score of the upper ventricular septal scar is an independent predictor of the success of the left bundle branch. When the scar of the upper ventricular septum is less than 25%, the success rate of the capture of the left bundle branch is 100%. When the scar is equal to or more than 50%, the failure rate is 100%. Conclusion:Upper ventricular septal scars presented by cardiac magnetic resonance imaging can predict the success of LBBP, providing a reliable reference for the smooth implementation of left bundle branch area pacing in clinical practice.

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  • 收稿日期:2024-06-17
  • 最后修改日期:2024-09-01
  • 录用日期:2024-10-14
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