437例兼容磁共振心脏植入装置临床应用的回顾性分析
[Abstract]:Objective to investigate the clinical application and safety of magnetic resonance (MRI) compatible cardiac implants (CIED). Methods from June 2014 to November 2016, 437 patients with compatible MRI cardiac implants were successfully implanted in Department of Cardiovascular Medicine, second affiliated Hospital of Zhejiang University. The basic clinical data of the patients were collected, CIED information was implanted, and the pacing lead parameters, MRI examination and complications of 48 hours, 1 ~ 3 and 6 months postoperatively were followed up. Results there were 437 patients, 246 males and 191 females, with an average age of 69.1 卤12.9 years. There were 2 patients with pacemaker replacement, 435 patients with first CIED implantation, 15 patients with implantable cardioverter defibrillator (ICD),) and 2 patients with cardiac resynchronization therapy pacemaker / defibrillator (CRT-P/D). 2 cases (0.45%) were transposed and 24 cases (5.49%) underwent MRI examination. No related adverse events were observed, and the traverse parameters remained stable before and after MRI examination. 48 hours after operation, the perception of right atrium and right ventricle (3.5 卤1.9mV/13.2 卤5.3mV) was significantly higher than that during operation (3.1 卤1.5mV/10.8 卤6.3mV). The impedance of right atrial and right ventricular pacing conductors (517 卤85 惟 / 602 卤105 惟) at 48 hours after operation was significantly lower than that during operation (624 卤149 惟 / 740 卤165 惟) (p0.05). The threshold of right atrial pacing (0.79 卤0.27V) was lower than that of intraoperative pacing (1.03 卤0.68) 48 hours after operation, but there was no significant difference (p0.05). There were no significant changes in pacing lead parameters 48 hours after operation and 1 ~ 6 months after operation. Conclusion compatible magnetic resonance CIED is safe for pacing, suitable for MRI examination under specific conditions, and stable in working state of pacemakers in short term follow-up.
【学位授予单位】:浙江大学
【学位级别】:硕士
【学位授予年份】:2017
【分类号】:R541
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