Bandorski D, Irnich W, Brück M, Beyer N, Kramer W, Jakobs R
Medizinische Klinik 1, Klinikum Wetzlar, Wetzlar, Germany.
Endoscopy. 2008 Jan;40(1):36-9. doi: 10.1055/s-2007-995353. Epub 2007 Dec 7.
The diagnostic benefit of capsule endoscopy in suspected small-bowel disease is high and seems to be superior to that with conventional methods and scintigraphy. Because of the limited clinical experience in patients with cardiac pacemakers and other implanted electrical devices, it is recommended that capsule endoscopy should not be used in such cases. We investigated the potential for capsule endoscopy to interfere with cardiac pacemakers in vitro.
21 different pacemakers and leads were positioned in a 0.9 % saline solution in a tank. Pin jacks were placed that were in contact with the solution. The pacemaker impulse was recorded and an inhibiting signal could be coupled in. The capsules (Given Imaging and Olympus) were placed in different positions relative to the cardiac pacemaker and finally placed on the case of the pacemaker, for 1 minute in each site. The functioning of the pacemaker was observed continuously. The effect on the pacemaker was noted particularly as inhibition, synchronization, or no effect. The pacemaker was then inhibited using a standard test signal.
There was no interference between the video capsule and the cardiac pacemakers in our experiment in spite of the close proximity of the two devices.
The clinical use of capsule endoscopy is unproblematic in patients with cardiac pacemakers.
胶囊内镜对疑似小肠疾病的诊断价值很高，似乎优于传统方法和闪烁扫描法。由于在心脏起搏器及其他植入式电子设备患者中的临床经验有限，建议在此类病例中不使用胶囊内镜。我们在体外研究了胶囊内镜干扰心脏起搏器的可能性。
将21种不同的起搏器和导联置于水箱中的0.9%盐溶液中。放置与溶液接触的插脚插孔。记录起搏器脉冲，并可耦合输入抑制信号。将胶囊（Given Imaging公司和奥林巴斯公司生产）相对于心脏起搏器放置在不同位置，最后放置在起搏器外壳上，每个位置放置1分钟。持续观察起搏器的功能。特别注意对起搏器的影响，如抑制、同步或无影响。然后使用标准测试信号抑制起搏器。
尽管两种设备距离很近，但在我们的实验中视频胶囊与心脏起搏器之间未出现干扰。
心脏起搏器患者临床使用胶囊内镜没有问题。
