A Case of Sick Sinus Syndrome with Transient Pacing and Sensing Failure a Few Days after Pacemaker Implantation

• Published in: Japanese Journal of Electrocardiology Vol. 36; no. 3; pp. 198 - 206
• Main Authors: Fujii, Mai, Shiraishi, Hirokazu, Ogura, Keishi, Sekine, Tomomi, Yagi, Yoshifumi, Imai, Mikimasa, Hamaoka, Tetsuro, Kojima, Akiteru, Kuroyanagi, Akira, Nakanishi, Naohiko, Nakamura, Takeshi, Yamano, Tetsuhiro, Matsumuro, Akiyoshi, Shirayama, Takeshi
• Format: Journal Article
• Language: Japanese
• Published: Japanese Heart Rhythm Society 2016
• Subjects: Pacemaker implantation; Transient pacing failure; Transient sensing failure
• ISSN: 0285-1660; 1884-2437
• DOI: 10.5105/jse.36.198

A 66-year-old female was admitted to our hospital for the treatment of cardiogenic cerebral infarction. She had a history of paroxysmal atrial fibrillation. Ambulatory monitoring revealed cardiac arrest for 11.4sec.A DDD pacemaker was implanted normally (P amplitude 6.1mV, pacing threshold 0.5V/0.4msec). Three days after the implantation, pacing failure was observed. P wave was not sensed at 0.15mV sensitivity, and the pacing threshold was more than 8V/1.0msec. Seven days after implantation, P wave amplitude and pacing threshold returned to their initial values at the time of implantation. Local myocardial injury due to tined lead tip could be a cause of transient atrial damage.