The presence of two intersecting pacing electrodes may favor the unusual complication of venous wall stenosis.
Intersecting pacing catheters may promote venous stenosis without thrombosis; this case report leaves open causality and relevance.
Superior vena cava obstruction is described in a patient with two endocardial pacing electrodes. At necropsy a severe stenosis of the venous lumen was found at the site of intersection of the two catheters. There was no evidence of thrombus formation. Venous wall stenosis is an unusual complication of transvenous pacing and is probably favoured by the presence of two electrodes.
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Pauletti et al. (1979) studied this question.
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