Key result
Pacemaker lead replacement linked to proximal subclavian vein occlusion undetected by pre-procedural venography.
Why the study?
Occlusion of the proximal subclavian vein can complicate pacemaker lead replacement procedures and may not be detected by pre-procedural venography.
Physicians should be aware of potential proximal subclavian vein occlusion during pacemaker lead replacement, even if pre-procedural venography is normal.
Raises caution for undetected occlusion in lead replacement despite normal venography; leaves open optimal imaging strategies for prospective study.
A set of images in which a pacemaker lead replacement procedure was complicated by occlusion of the proximal subclavian vein is presented. However, this was not detected on venography performed before the procedure. Physicians should be aware of a more proximal occlusion of the subclavian vein while replacing pacemaker leads, even in cases with seemingly normal venography.
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Riezebos et al. (2005) studied this question. Pacemaker lead replacement can be complicated by proximal subclavian vein occlusion that remains undetected on pre-procedural venography.
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