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Keywords:

  • bradycardia;
  • pacing;
  • sympathectomy;
  • hyperhidrosis

LAI, C.-L., et al.: Bradycardia and Permanent Pacing After Bilateral Thoracoscopic T2-Sympathectomy for Primary Hyperhidrosis. A 23-year-old woman with craniofacial hyperhidrosis underwent bilateral thoracoscopic T2-sympathectomy. Marked sinus bradycardia with a mean heart rate of 49 beats/min by Holter ECG monitoring occurred after the procedure and persisted for > 2 years. Normal sinus node function was found by an invasive electrophysiological study and unopposed vagotonia after sympathectomy was diagnosed. A permanent pacemaker was implanted. Although reduced heart rate is a common phenomenon after bilateral dorsal sympathectomy, intractable bradycardia with permanent pacing is rare. This patient demonstrates one of the potential cardiac complications of bilateral sympathectomy.