University of Texas Medical School at Houston, Houston, Texas, USA.
Otolaryngol Head Neck Surg. 2011 Jan;144(1):123-4. doi: 10.1177/0194599810390896.
Use of vagus nerve stimulation (VNS) has increased in the past decade, resulting in frequent revision cases for device failure. The authors report their series of children who underwent reimplantation of the VNS device after removal of old electrodes and leads. Patients with medically refractory seizures who underwent revision of VNS electrodes were included (n = 23). Twenty patients had high lead impedance and underwent removal of the device and replacement of the VNS electrodes during the same procedure. In 3 patients, electrodes and the device had been removed previously at an outside institution because of infection. None of the patients experienced any major complications. Mean operative time was 2.3 ± 0.9 hours. The reimplanted device worked well in all patients, and seizure control was similar to or better than that reported with the previous device. Thus, implantation of the VNS electrodes is reversible, and it appears that the electrodes can be removed or replaced safely if the device is not functioning properly.
在过去的十年中，迷走神经刺激 (VNS) 的应用有所增加，导致设备故障频繁进行修订。作者报告了他们的一系列儿童病例，这些儿童在移除旧电极和导联后重新植入了 VNS 设备。包括接受 VNS 电极修正的药物难治性癫痫患者（n = 23）。20 名患者的导联阻抗较高，在同一手术过程中，他们的设备被移除并更换了 VNS 电极。在 3 名患者中，电极和设备因感染已在外部机构被移除。所有患者均未出现任何重大并发症。平均手术时间为 2.3 ± 0.9 小时。所有患者的重新植入的设备都运行良好，癫痫控制与之前设备报告的相似或更好。因此，VNS 电极的植入是可逆的，如果设备功能不正常，似乎可以安全地移除或更换电极。
