Cardiac pacemaker lead extraction using conventional techniques:a single centre experience
2003
Abstract Background: New methods of lead extraction using laser sheath devices are under evaluation but these techinques are not available in the majority of centres and have cost implications. Furthermore, in the absence of comparative randomised trials, registry experience with new devices must be judged against contemporary data using conventional methods. We report a single centre series of pacemaker lead extraction using conventional methods. Methods: Study Population: Attempted extraction of 165 leads during 95 procedures in 80 patients. Leads had been in place (dwell time) for a mean of 76 months (range 0.2–248.4 months). Indications for lead extraction: infection (41.1%), skin erosion (9.5%), advisory leads (12.6%), faulty leads (12.6%), other (24.2%). Extraction techniques: traction and/or locking stylets and dilator sheaths (89.7%), Byrd workstation (6.1%) and open thoracotomy (4.8%). Results: Complete removal was achieved for 143 leads (86.7%), partial removal in 12 leads (7.3%) and 10 (6.1%) could not be removed. A shorter lead dwell time was associated with extraction success in both univariate ( p =0.0004) and multivariate analyses ( p p =0.052). Active fixation, patient gender, age and indication for lead extraction had no bearing on outcome. Complications: There were no deaths. Major complications occurred in 3 patients (3.2%): pericardial tamponade (1), pulmonary embolus (1) and stroke (1). Significant bleeding (requiring blood transfusion) occurred in 11 procedures (12%). Conclusions: Cardiac lead extraction using conventional methods has a high success rate of 86.7%. Success was significantly related to a shorter lead dwell time. Further prospective randomised trials are needed to compare traditional techniques with laser extraction both in terms of clinical outcome and cost-effectiveness.
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