Abstract
Pacemakers assist circulation by generating electrical impulses. Patients with pacemakers scheduled to undergo surgery are vulnerable to device-related complications. Therefore, careful perioperative management is required to prevent undesirable events. A 66-year-old man with alcohol-related hepatocellular carcinoma was referred for liver transplantation. The pacemaker was inserted preoperatively to manage sick sinus syndrome and paroxysmal atrial fibrillation. Overall liver transplantation was performed without any adverse events. However, the pacemaker suddenly failed to provide regular pacing rhythm during abdominal closure. Fortunately, the native heart rate was maintained above 70 beats per minute and blood pressure did not fluctuate after pacing failure. After retrospective analysis, the duration setting of preoperative pacemaker reprogramming (24 h) was revealed as the cause of unexpected pacing failure. Anesthesiologists should be alert in patients with pacemakers because minor errors may lead to inadvertent failure of pacing or severe hemodynamic instability.
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