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Ann Thorac Surg 1998;65:1192
© 1998 The Society of Thoracic Surgeons
a Department of Cardiothoracic Surgery, Yorkshire Heart Centre, Leeds General Infirmary, Great George St, Leeds, LS1 3EX, UK, Great Britain, United Kingdom
To the Editor
We read with interest the article by Telfer and colleagues [1] about the subclavian approach for extraction of Teletronics 330-801 atrial pacing leads. We would like to share our experience with an unusual complication of Teletronics pacing leads.
A 27-year-old man had received a Teletronics Accufix atrial J lead in 1992. He had required pacing for Wolff-Parkinson-White syndrome with symptomatic bradycardia. In response to a manufacturers advisory notice he underwent fluoroscopic examination in May 1995. This revealed fracture of the retention wire with migration of the fractured segment away from the lead. A chest radiograph suggested that the fractured lead was in the right pulmonary artery.
The patient was admitted for elective removal of the pacing system and the migrated retention wire. The chest was opened through a median sternotomy approach, and full cardiopulmonary bypass was established with separate caval cannulation. The right atrium was opened at normothermia with a beating heart. Atrial and ventricular leads were removed, including a separate fragment of the atrial retention wire surrounded by a thrombus. The right pulmonary artery was opened between the aorta and the superior vena cava. The embolized retention wire was removed from the distal right pulmonary artery using Desjardins forceps. The remainder of the pacing system was explanted uneventfully.
The subclavian approach is the preferred technique for removal of these pacing leads. However, once the lead has fractured and embolized distally, cardiopulmonary bypass will be required.
References
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