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首页> 外文期刊>The Canadian Journal of Neurological Sciences: le Journal Canadien des Sciences Neurologiques >Electrocardiogram artifacts caused by deep brain stimulation.
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Electrocardiogram artifacts caused by deep brain stimulation.

机译：深层脑刺激引起的心电图伪影。

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BACKGROUND: Deep brain stimulation (DBS) is increasingly used to treat a variety of neurological conditions (e.g. movement disorders and chronic pain). This prospective study was designed to detect electrocardiogram (ECG) artifacts induced by deep brain stimulation and to investigate which factors (patient disease, electrode position within the brain or type of stimulation) produced these artifacts. METHODS: Twelve patients (four women, eight men) with deep brain stimulators were enrolled in the study. Patients were selected to represent the common indications for DBS (Parkinson's disease, tremor, dystonia), the common electrode locations (pallidum, thalamus, subthalamic nucleus) and the two types of stimulation (monopolar, bipolar). Patients had one ECG with the DBS turned 'on' and another with the DBS turned 'off'. The ECGs were then randomized and read by a cardiologist blinded to the status of the patient and DBS and artifacts were noted to be either present or absent. RESULTS: The six patients using monopolar stimulation all had artifacts on their electrocardiograms. These artifacts were severe enough to interfere with ECG interpretation. There were no artifacts detected in the six patients using bipolar stimulation. Electrode location and patient disease appeared to have no effect on ECG artifact. CONCLUSIONS: Deep brain stimulation can cause ECG artifacts when monopolar settings are used. These artifacts are not present with bipolar settings or when the DBS is turned 'off'. Knowledge of these potential ECG artifacts and how to avoid them is essential to facilitate accurate ECG interpretation.
机译：背景：深层脑刺激（DBS）越来越多地用于治疗各种神经系统疾病（例如运动障碍和慢性疼痛）。这项前瞻性研究旨在检测深部脑刺激引起的心电图（ECG）伪影，并调查哪些因素（患者疾病，大脑内电极位置或刺激类型）产生了这些伪影。方法：十二名患者（四名女性，八名男性）患有深部脑刺激。选择患者代表DBS的常见适应症（帕金森氏病，震颤，肌张力障碍），常见的电极位置（苍白球，丘脑，丘脑下核）和两种刺激类型（单极，双极）。患者在打开DBS的情况下进行一次心电图检查，而在关闭DBS的情况下进行另一次心电图检查。然后将心电图随机化，并由对患者状况不了解的心脏病专家读取，并注意发现或不存在DBS和伪影。结果：6名使用单极刺激的患者在心电图上均出现了伪影。这些伪影严重到足以干扰ECG解释。在使用双极刺激的六名患者中未检测到伪影。电极位置和患者疾病似乎对ECG伪影没有影响。结论：使用单极设置时，深部脑刺激可导致ECG伪影。这些伪像在双极性设置中或在“关闭” DBS时不存在。了解这些潜在的ECG伪像以及如何避免它们对于促进准确的ECG解释至关重要。

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