Glikson M, von Feldt L K, Suman V J, Hayes D L
Division of Cardiovascular Diseases and Internal Medicine, Mayo Clinic, Rochester, Minnesota 55905.
Pacing Clin Electrophysiol. 1994 Aug;17(8):1399-404. doi: 10.1111/j.1540-8159.1994.tb02459.x.
Since 1989, 168 Telectronics model 330-801 active fixation, polyurethane insulated atrial leads (Accufix) have been implanted at the Mayo Clinic. There were four (2.4%) acute lead related complications, (i.e., perforation, microdislodgment, and pericarditis). Over a median follow-up time of 7.6 months (up to 2.7 years), there were 14 (8.3%) chronic complications, including 1 instance (0.6%) of definite lead failure. Most of these complications were early (within the first month) and transient. Four patients (2.4%) required reoperation for chronic complications. During follow-up, 23% of the examined patients had high pacing thresholds, most at about 3 months after implantation, necessitating high-output programming. The exact mechanism and natural history of this phenomenon should be further investigated.
自1989年以来，梅奥诊所已植入168根泰利特ronics 330 - 801型主动固定、聚氨酯绝缘心房导线（Accufix）。有4例（2.4%）与导线相关的急性并发症（即穿孔、微脱位和心包炎）。在中位随访时间7.6个月（最长2.7年）内，有14例（8.3%）慢性并发症，包括1例（0.6%）明确的导线故障。这些并发症大多为早期（第一个月内）且为短暂性。4例患者（2.4%）因慢性并发症需要再次手术。在随访期间，23%的受检患者有高起搏阈值，大多在植入后约3个月出现，需要进行高输出程控。这一现象的确切机制和自然病程应进一步研究。
